./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/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 b4428fa1091f4cda8c57d8e78988385def4dacf9 .................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/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 b4428fa1091f4cda8c57d8e78988385def4dacf9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:58:36,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:58:36,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:58:36,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:58:36,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:58:36,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:58:36,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:58:36,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:58:36,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:58:36,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:58:36,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:58:36,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:58:36,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:58:36,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:58:36,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:58:36,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:58:36,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:58:36,304 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:58:36,305 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:58:36,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:58:36,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:58:36,316 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:58:36,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:58:36,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:58:36,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:58:36,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:58:36,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:58:36,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:58:36,326 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:58:36,327 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:58:36,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:58:36,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:58:36,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:58:36,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:58:36,331 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:58:36,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:58:36,332 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:58:36,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:58:36,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:58:36,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:58:36,335 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:58:36,335 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 10:58:36,363 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:58:36,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:58:36,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:58:36,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:58:36,364 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:58:36,364 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:58:36,365 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:58:36,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:58:36,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:58:36,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:58:36,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:58:36,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:58:36,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:58:36,366 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:58:36,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:58:36,366 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:58:36,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:58:36,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:58:36,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:58:36,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:58:36,367 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:58:36,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:58:36,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:58:36,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:58:36,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:58:36,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:58:36,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:58:36,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:58:36,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/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 -> b4428fa1091f4cda8c57d8e78988385def4dacf9 [2019-11-20 10:58:36,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:58:36,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:58:36,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:58:36,584 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:58:36,585 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:58:36,586 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2019-11-20 10:58:36,657 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/5a485a035/b3c6b00526974658a6fa6b5b49800142/FLAGb7acacefe [2019-11-20 10:58:37,112 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:58:37,114 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2019-11-20 10:58:37,123 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/5a485a035/b3c6b00526974658a6fa6b5b49800142/FLAGb7acacefe [2019-11-20 10:58:37,473 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/5a485a035/b3c6b00526974658a6fa6b5b49800142 [2019-11-20 10:58:37,477 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:58:37,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:58:37,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:58:37,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:58:37,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:58:37,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:37,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f83c318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37, skipping insertion in model container [2019-11-20 10:58:37,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:37,496 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:58:37,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:58:37,747 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:58:37,752 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:58:37,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:58:37,939 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:58:37,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37 WrapperNode [2019-11-20 10:58:37,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:58:37,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:58:37,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:58:37,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:58:37,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:37,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:37,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:58:38,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:58:38,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:58:38,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:58:38,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,017 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,017 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... [2019-11-20 10:58:38,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:58:38,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:58:38,046 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:58:38,046 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:58:38,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:58:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 10:58:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 10:58:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 10:58:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:58:38,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:58:38,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 10:58:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:58:38,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:58:38,497 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:58:38,497 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 10:58:38,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:58:38 BoogieIcfgContainer [2019-11-20 10:58:38,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:58:38,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:58:38,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:58:38,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:58:38,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:58:37" (1/3) ... [2019-11-20 10:58:38,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4590cb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:58:38, skipping insertion in model container [2019-11-20 10:58:38,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:37" (2/3) ... [2019-11-20 10:58:38,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4590cb52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:58:38, skipping insertion in model container [2019-11-20 10:58:38,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:58:38" (3/3) ... [2019-11-20 10:58:38,509 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032c.c [2019-11-20 10:58:38,519 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:58:38,526 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:58:38,538 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:58:38,564 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:58:38,565 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:58:38,565 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:58:38,566 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:58:38,566 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:58:38,566 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:58:38,566 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:58:38,566 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:58:38,582 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-20 10:58:38,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:58:38,588 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:58:38,589 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:58:38,590 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:58:38,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:58:38,595 INFO L82 PathProgramCache]: Analyzing trace with hash -592327338, now seen corresponding path program 1 times [2019-11-20 10:58:38,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:58:38,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855644637] [2019-11-20 10:58:38,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:58:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:38,732 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855644637] [2019-11-20 10:58:38,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:58:38,733 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 10:58:38,733 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136463196] [2019-11-20 10:58:38,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:58:38,737 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 10:58:38,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:58:38,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:58:38,748 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-11-20 10:58:38,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:58:38,764 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-20 10:58:38,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:58:38,765 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 10:58:38,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:58:38,776 INFO L225 Difference]: With dead ends: 46 [2019-11-20 10:58:38,776 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 10:58:38,779 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:58:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 10:58:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 10:58:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:58:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-20 10:58:38,814 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2019-11-20 10:58:38,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:58:38,814 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-20 10:58:38,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:58:38,814 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-20 10:58:38,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:58:38,815 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:58:38,815 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:58:38,816 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:58:38,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:58:38,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1651159701, now seen corresponding path program 1 times [2019-11-20 10:58:38,816 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:58:38,817 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977338546] [2019-11-20 10:58:38,817 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:58:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:58:38,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:58:38,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:58:38,958 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 10:58:38,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:58:38 BoogieIcfgContainer [2019-11-20 10:58:38,985 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:58:38,986 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:58:38,986 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:58:38,986 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:58:38,987 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:58:38" (3/4) ... [2019-11-20 10:58:38,990 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:58:38,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:58:38,992 INFO L168 Benchmark]: Toolchain (without parser) took 1513.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:38,993 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:58:38,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -227.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:38,994 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.86 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. [2019-11-20 10:58:38,995 INFO L168 Benchmark]: Boogie Preprocessor took 45.46 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. [2019-11-20 10:58:38,996 INFO L168 Benchmark]: RCFGBuilder took 453.04 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:38,996 INFO L168 Benchmark]: TraceAbstraction took 486.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:38,997 INFO L168 Benchmark]: Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:58:39,000 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 950.1 MB in the beginning and 1.2 GB in the end (delta: -227.1 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.86 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 45.46 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. * RCFGBuilder took 453.04 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 486.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 79]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 42, overapproximation of bitwiseAnd at line 62. Possible FailurePath: [L74] float x = 1.0f / 0.0f; [L12] __uint32_t w; [L14] int exponent_less_127; [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (w) = gf_u.word [L22] exponent_less_127 = (int)((w & 0x7f800000) >> 23) - 127 [L24] COND FALSE !(exponent_less_127 < 23) [L40] COND TRUE exponent_less_127 == 128 [L42] return x + x; [L75] float res = round_float(x); [L56] __int32_t ix; [L58] ieee_float_shape_type gf_u; [L59] gf_u.value = (x) [L60] EXPR gf_u.word [L60] (ix) = gf_u.word [L62] ix &= 0x7fffffff [L63] return ((ix) == 0x7f800000L); [L78] COND TRUE !isinf_float(res) [L79] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 28 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=24occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 10:58:41,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:58:41,023 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:58:41,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:58:41,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:58:41,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:58:41,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:58:41,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:58:41,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:58:41,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:58:41,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:58:41,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:58:41,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:58:41,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:58:41,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:58:41,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:58:41,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:58:41,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:58:41,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:58:41,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:58:41,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:58:41,080 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:58:41,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:58:41,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:58:41,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:58:41,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:58:41,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:58:41,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:58:41,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:58:41,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:58:41,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:58:41,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:58:41,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:58:41,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:58:41,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:58:41,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:58:41,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:58:41,096 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:58:41,096 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:58:41,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:58:41,098 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:58:41,099 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 10:58:41,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:58:41,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:58:41,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:58:41,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:58:41,127 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:58:41,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:58:41,127 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:58:41,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:58:41,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:58:41,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:58:41,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:58:41,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:58:41,129 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 10:58:41,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 10:58:41,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:58:41,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:58:41,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:58:41,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:58:41,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:58:41,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:58:41,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:58:41,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 10:58:41,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:58:41,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:58:41,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:58:41,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:58:41,132 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 10:58:41,132 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 10:58:41,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:58:41,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 10:58:41,132 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/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 -> b4428fa1091f4cda8c57d8e78988385def4dacf9 [2019-11-20 10:58:41,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:58:41,471 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:58:41,474 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:58:41,476 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:58:41,476 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:58:41,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2019-11-20 10:58:41,526 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/af4accb9e/78898d7aa844404dbd6678ab0e1dc39c/FLAG041e60cd8 [2019-11-20 10:58:41,956 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:58:41,957 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/sv-benchmarks/c/float-newlib/float_req_bl_1032c.c [2019-11-20 10:58:41,964 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/af4accb9e/78898d7aa844404dbd6678ab0e1dc39c/FLAG041e60cd8 [2019-11-20 10:58:41,978 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/data/af4accb9e/78898d7aa844404dbd6678ab0e1dc39c [2019-11-20 10:58:41,980 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:58:41,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:58:41,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:58:41,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:58:41,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:58:41,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:58:41" (1/1) ... [2019-11-20 10:58:41,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe7f9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:41, skipping insertion in model container [2019-11-20 10:58:41,993 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:58:41" (1/1) ... [2019-11-20 10:58:42,001 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:58:42,020 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:58:42,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:58:42,177 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:58:42,202 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:58:42,225 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:58:42,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42 WrapperNode [2019-11-20 10:58:42,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:58:42,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:58:42,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:58:42,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:58:42,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:58:42,348 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:58:42,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:58:42,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:58:42,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,400 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... [2019-11-20 10:58:42,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:58:42,404 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:58:42,404 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:58:42,404 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:58:42,405 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 10:58:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 10:58:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:58:42,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:58:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-20 10:58:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 10:58:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-20 10:58:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 10:58:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 10:58:42,815 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:58:42,815 INFO L285 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-20 10:58:42,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:58:42 BoogieIcfgContainer [2019-11-20 10:58:42,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:58:42,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 10:58:42,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 10:58:42,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 10:58:42,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:58:41" (1/3) ... [2019-11-20 10:58:42,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6004ee44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:58:42, skipping insertion in model container [2019-11-20 10:58:42,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:58:42" (2/3) ... [2019-11-20 10:58:42,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6004ee44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:58:42, skipping insertion in model container [2019-11-20 10:58:42,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:58:42" (3/3) ... [2019-11-20 10:58:42,823 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1032c.c [2019-11-20 10:58:42,832 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 10:58:42,838 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 10:58:42,848 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 10:58:42,869 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 10:58:42,870 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 10:58:42,870 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 10:58:42,870 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:58:42,870 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:58:42,871 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 10:58:42,871 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:58:42,871 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 10:58:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-11-20 10:58:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 10:58:42,889 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:58:42,890 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:58:42,890 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:58:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:58:42,896 INFO L82 PathProgramCache]: Analyzing trace with hash -592327338, now seen corresponding path program 1 times [2019-11-20 10:58:42,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:58:42,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110871498] [2019-11-20 10:58:42,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 10:58:42,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:42,998 INFO L255 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 10:58:43,002 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:58:43,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:43,013 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:58:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:43,018 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110871498] [2019-11-20 10:58:43,019 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:58:43,019 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 10:58:43,020 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696601019] [2019-11-20 10:58:43,024 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 10:58:43,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:58:43,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 10:58:43,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:58:43,037 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 2 states. [2019-11-20 10:58:43,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:58:43,050 INFO L93 Difference]: Finished difference Result 46 states and 68 transitions. [2019-11-20 10:58:43,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 10:58:43,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-20 10:58:43,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:58:43,059 INFO L225 Difference]: With dead ends: 46 [2019-11-20 10:58:43,059 INFO L226 Difference]: Without dead ends: 21 [2019-11-20 10:58:43,062 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 10:58:43,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-20 10:58:43,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-20 10:58:43,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-20 10:58:43,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2019-11-20 10:58:43,093 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 12 [2019-11-20 10:58:43,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:58:43,094 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2019-11-20 10:58:43,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 10:58:43,094 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2019-11-20 10:58:43,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-20 10:58:43,095 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:58:43,095 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:58:43,307 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 10:58:43,307 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:58:43,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:58:43,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1651159701, now seen corresponding path program 1 times [2019-11-20 10:58:43,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:58:43,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [113192188] [2019-11-20 10:58:43,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 10:58:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:43,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjunts are in the unsatisfiable core [2019-11-20 10:58:43,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:58:43,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-20 10:58:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:43,624 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:58:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:44,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [113192188] [2019-11-20 10:58:44,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:58:44,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-11-20 10:58:44,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761082715] [2019-11-20 10:58:44,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-11-20 10:58:44,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:58:44,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-11-20 10:58:44,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-11-20 10:58:44,329 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 14 states. [2019-11-20 10:58:44,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:58:44,739 INFO L93 Difference]: Finished difference Result 29 states and 32 transitions. [2019-11-20 10:58:44,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-20 10:58:44,741 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2019-11-20 10:58:44,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:58:44,742 INFO L225 Difference]: With dead ends: 29 [2019-11-20 10:58:44,742 INFO L226 Difference]: Without dead ends: 20 [2019-11-20 10:58:44,744 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-11-20 10:58:44,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2019-11-20 10:58:44,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2019-11-20 10:58:44,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2019-11-20 10:58:44,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2019-11-20 10:58:44,747 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 14 [2019-11-20 10:58:44,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:58:44,748 INFO L462 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2019-11-20 10:58:44,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-11-20 10:58:44,748 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2019-11-20 10:58:44,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-20 10:58:44,749 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 10:58:44,749 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 10:58:44,950 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 10:58:44,950 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 10:58:44,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:58:44,950 INFO L82 PathProgramCache]: Analyzing trace with hash 842294842, now seen corresponding path program 1 times [2019-11-20 10:58:44,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 10:58:44,951 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289079136] [2019-11-20 10:58:44,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 10:58:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:58:45,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-20 10:58:45,033 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:58:45,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:45,090 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 10:58:45,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:58:45,178 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289079136] [2019-11-20 10:58:45,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 10:58:45,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-20 10:58:45,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858708386] [2019-11-20 10:58:45,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-20 10:58:45,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 10:58:45,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-20 10:58:45,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-20 10:58:45,180 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 8 states. [2019-11-20 10:58:45,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 10:58:45,233 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions. [2019-11-20 10:58:45,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 10:58:45,233 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-11-20 10:58:45,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 10:58:45,234 INFO L225 Difference]: With dead ends: 20 [2019-11-20 10:58:45,234 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 10:58:45,234 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-20 10:58:45,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 10:58:45,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 10:58:45,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 10:58:45,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 10:58:45,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-20 10:58:45,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 10:58:45,235 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:58:45,236 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-20 10:58:45,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:58:45,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:58:45,445 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 10:58:45,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 10:58:45,563 INFO L444 ceAbstractionStarter]: For program point L27(lines 27 29) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point L32(lines 32 34) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 45) no Hoare annotation was computed. [2019-11-20 10:58:45,564 INFO L444 ceAbstractionStarter]: For program point L57-1(lines 57 61) no Hoare annotation was computed. [2019-11-20 10:58:45,565 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 79) no Hoare annotation was computed. [2019-11-20 10:58:45,565 INFO L440 ceAbstractionStarter]: At program point L57-2(lines 57 61) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (let ((.cse1 (fp.add roundNearestTiesToEven .cse0 .cse0))) (and (= ULTIMATE.start_round_float_~x .cse0) (= |ULTIMATE.start_round_float_#res| .cse1) (= ULTIMATE.start_isinf_float_~x .cse1)))) [2019-11-20 10:58:45,565 INFO L444 ceAbstractionStarter]: For program point L57-3(lines 57 61) no Hoare annotation was computed. [2019-11-20 10:58:45,565 INFO L444 ceAbstractionStarter]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-11-20 10:58:45,565 INFO L440 ceAbstractionStarter]: At program point L16-2(lines 16 20) the Hoare annotation is: (= ULTIMATE.start_round_float_~x (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2019-11-20 10:58:45,566 INFO L444 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2019-11-20 10:58:45,566 INFO L444 ceAbstractionStarter]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-11-20 10:58:45,566 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 10:58:45,566 INFO L444 ceAbstractionStarter]: For program point L25(lines 25 38) no Hoare annotation was computed. [2019-11-20 10:58:45,566 INFO L447 ceAbstractionStarter]: At program point L83(lines 66 84) the Hoare annotation is: true [2019-11-20 10:58:45,566 INFO L444 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-20 10:58:45,567 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 50) no Hoare annotation was computed. [2019-11-20 10:58:45,567 INFO L444 ceAbstractionStarter]: For program point L46-1(lines 11 52) no Hoare annotation was computed. [2019-11-20 10:58:45,567 INFO L444 ceAbstractionStarter]: For program point L46-2(lines 46 50) no Hoare annotation was computed. [2019-11-20 10:58:45,567 INFO L440 ceAbstractionStarter]: At program point L63(lines 55 64) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (let ((.cse1 (fp.add roundNearestTiesToEven .cse0 .cse0))) (and (= ULTIMATE.start_round_float_~x .cse0) (= |ULTIMATE.start_round_float_#res| .cse1) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start_isinf_float_~x .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0)) .cse1)))) [2019-11-20 10:58:45,567 INFO L440 ceAbstractionStarter]: At program point L51(lines 11 52) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= ULTIMATE.start_round_float_~x .cse0) (= |ULTIMATE.start_round_float_#res| (fp.add roundNearestTiesToEven .cse0 .cse0)))) [2019-11-20 10:58:45,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,598 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,609 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,638 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,650 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:58:45 BoogieIcfgContainer [2019-11-20 10:58:45,652 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 10:58:45,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:58:45,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:58:45,662 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:58:45,662 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:58:42" (3/4) ... [2019-11-20 10:58:45,665 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:58:45,676 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-11-20 10:58:45,677 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 10:58:45,678 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 10:58:45,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-11-20 10:58:45,709 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-11-20 10:58:45,710 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-11-20 10:58:45,740 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2828f39-e901-4cfc-9d62-87f1ab1c8526/bin/uautomizer/witness.graphml [2019-11-20 10:58:45,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:58:45,742 INFO L168 Benchmark]: Toolchain (without parser) took 3759.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 960.4 MB in the beginning and 1.0 GB in the end (delta: -54.6 MB). Peak memory consumption was 130.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:45,742 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:58:45,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.05 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:45,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 121.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:45,744 INFO L168 Benchmark]: Boogie Preprocessor took 55.53 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. [2019-11-20 10:58:45,744 INFO L168 Benchmark]: RCFGBuilder took 412.60 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:45,745 INFO L168 Benchmark]: TraceAbstraction took 2843.34 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: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:45,745 INFO L168 Benchmark]: Witness Printer took 79.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:58:45,748 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.05 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 121.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.1 MB). Free memory was 949.7 MB in the beginning and 1.2 GB in the end (delta: -225.5 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 55.53 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. * RCFGBuilder took 412.60 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: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2843.34 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: 127.3 MB). Peak memory consumption was 127.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 79]: 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: 55]: Loop Invariant [2019-11-20 10:58:45,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,763 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,768 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 57]: Loop Invariant [2019-11-20 10:58:45,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,772 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,774 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,776 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 11]: Loop Invariant [2019-11-20 10:58:45,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,781 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant [2019-11-20 10:58:45,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,782 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 10:58:45,783 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 48 SDtfs, 30 SDslu, 163 SDs, 0 SdLazy, 71 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 143 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 82 ConstructedInterpolants, 9 QuantifiedInterpolants, 6195 SizeOfPredicates, 16 NumberOfNonLiveVariables, 120 ConjunctsInSsa, 23 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...