./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 beb0f1f99c71d3013c37182d8a087219c2da2d10 .................................................................................................................................................................................................................................................................................................... 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_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 beb0f1f99c71d3013c37182d8a087219c2da2d10 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 12:09:50,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:09:50,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:09:50,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:09:50,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:09:50,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:09:50,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:09:50,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:09:50,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:09:50,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:09:50,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:09:50,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:09:50,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:09:50,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:09:50,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:09:50,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:09:50,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:09:50,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:09:50,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:09:50,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:09:50,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:09:50,472 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:09:50,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:09:50,473 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:09:50,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:09:50,475 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:09:50,475 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:09:50,476 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:09:50,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:09:50,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:09:50,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:09:50,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:09:50,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:09:50,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:09:50,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:09:50,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:09:50,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:09:50,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:09:50,479 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:09:50,480 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:09:50,480 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:09:50,481 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:09:50,490 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:09:50,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:09:50,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:09:50,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:09:50,491 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:09:50,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:09:50,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:09:50,493 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:09:50,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:09:50,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:09:50,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:09:50,493 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:09:50,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:09:50,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:09:50,494 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:09:50,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:09:50,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:09:50,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:09:50,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:09:50,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:09:50,494 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:09:50,494 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_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 -> beb0f1f99c71d3013c37182d8a087219c2da2d10 [2019-12-07 12:09:50,595 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:09:50,605 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:09:50,608 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:09:50,609 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:09:50,609 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:09:50,610 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2019-12-07 12:09:50,651 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/5f243a73d/7dc76cebb82442668f5af65d09956b2e/FLAG1d2483649 [2019-12-07 12:09:50,978 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:09:50,978 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2019-12-07 12:09:50,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/5f243a73d/7dc76cebb82442668f5af65d09956b2e/FLAG1d2483649 [2019-12-07 12:09:51,414 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/5f243a73d/7dc76cebb82442668f5af65d09956b2e [2019-12-07 12:09:51,416 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:09:51,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:09:51,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:09:51,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:09:51,421 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:09:51,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a62463e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51, skipping insertion in model container [2019-12-07 12:09:51,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:09:51,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:09:51,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:09:51,616 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:09:51,644 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:09:51,658 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:09:51,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51 WrapperNode [2019-12-07 12:09:51,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:09:51,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:09:51,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:09:51,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:09:51,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:09:51,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:09:51,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:09:51,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:09:51,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... [2019-12-07 12:09:51,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:09:51,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:09:51,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:09:51,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:09:51,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:09:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:09:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:09:51,996 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:09:51,996 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 12:09:51,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:09:51 BoogieIcfgContainer [2019-12-07 12:09:51,997 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:09:51,998 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:09:51,998 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:09:51,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:09:51,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:09:51" (1/3) ... [2019-12-07 12:09:52,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b5684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:09:52, skipping insertion in model container [2019-12-07 12:09:52,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:51" (2/3) ... [2019-12-07 12:09:52,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b5684 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:09:52, skipping insertion in model container [2019-12-07 12:09:52,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:09:51" (3/3) ... [2019-12-07 12:09:52,001 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b.c [2019-12-07 12:09:52,007 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:09:52,012 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:09:52,019 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:09:52,033 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:09:52,034 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:09:52,034 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:09:52,034 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:09:52,034 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:09:52,034 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:09:52,034 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:09:52,034 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:09:52,044 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-12-07 12:09:52,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 12:09:52,048 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:09:52,048 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:09:52,048 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:09:52,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:09:52,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2019-12-07 12:09:52,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:09:52,057 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010790816] [2019-12-07 12:09:52,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:09:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:09:52,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:09:52,147 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010790816] [2019-12-07 12:09:52,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:09:52,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 12:09:52,149 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256550382] [2019-12-07 12:09:52,151 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:09:52,152 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:09:52,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:09:52,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:09:52,162 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-12-07 12:09:52,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:09:52,176 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2019-12-07 12:09:52,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:09:52,177 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 12:09:52,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:09:52,184 INFO L225 Difference]: With dead ends: 92 [2019-12-07 12:09:52,184 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 12:09:52,186 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 [2019-12-07 12:09:52,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 12:09:52,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 12:09:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 12:09:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2019-12-07 12:09:52,210 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2019-12-07 12:09:52,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:09:52,211 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2019-12-07 12:09:52,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:09:52,211 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2019-12-07 12:09:52,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:09:52,211 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:09:52,211 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:09:52,211 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:09:52,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:09:52,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2019-12-07 12:09:52,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:09:52,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122470459] [2019-12-07 12:09:52,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:09:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:09:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:09:52,292 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 12:09:52,292 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:09:52,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:09:52 BoogieIcfgContainer [2019-12-07 12:09:52,317 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:09:52,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:09:52,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:09:52,317 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:09:52,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:09:51" (3/4) ... [2019-12-07 12:09:52,320 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:09:52,320 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:09:52,321 INFO L168 Benchmark]: Toolchain (without parser) took 904.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 942.3 MB in the beginning and 1.0 GB in the end (delta: -106.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:09:52,322 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:09:52,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 240.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:09:52,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:09:52,323 INFO L168 Benchmark]: Boogie Preprocessor took 24.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:09:52,323 INFO L168 Benchmark]: RCFGBuilder took 280.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:09:52,324 INFO L168 Benchmark]: TraceAbstraction took 319.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:09:52,324 INFO L168 Benchmark]: Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:09:52,326 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 240.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 942.3 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 22.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 280.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 319.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 166]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryFLOAToperation at line 161, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 151. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L161] float x = -0.0f; [L105] float y, z; [L106] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L162] float res = __ieee754_log10f(x); [L145] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L147] ieee_float_shape_type gf_u; [L148] gf_u.value = (x) [L149] EXPR gf_u.word [L149] (ix) = gf_u.word [L151] ix &= 0x7fffffff [L152] return ((ix) == 0x7f800000L); VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L165] COND TRUE !isinf_float(res) [L166] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 61 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=47occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.1.25-f470102 [2019-12-07 12:09:53,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:09:53,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:09:53,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:09:53,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:09:53,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:09:53,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:09:53,654 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:09:53,656 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:09:53,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:09:53,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:09:53,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:09:53,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:09:53,660 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:09:53,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:09:53,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:09:53,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:09:53,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:09:53,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:09:53,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:09:53,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:09:53,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:09:53,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:09:53,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:09:53,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:09:53,675 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:09:53,675 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:09:53,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:09:53,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:09:53,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:09:53,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:09:53,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:09:53,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:09:53,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:09:53,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:09:53,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:09:53,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:09:53,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:09:53,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:09:53,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:09:53,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:09:53,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 12:09:53,695 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:09:53,695 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:09:53,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:09:53,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:09:53,696 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:09:53,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:09:53,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:09:53,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:09:53,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:09:53,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:09:53,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:09:53,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:09:53,697 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:09:53,697 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:09:53,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:09:53,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:09:53,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:09:53,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:09:53,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:09:53,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:09:53,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:09:53,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:09:53,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:09:53,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:09:53,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:09:53,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:09:53,699 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 12:09:53,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:09:53,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:09:53,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:09:53,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:09:53,700 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_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 -> beb0f1f99c71d3013c37182d8a087219c2da2d10 [2019-12-07 12:09:53,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:09:53,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:09:53,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:09:53,884 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:09:53,885 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:09:53,885 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2019-12-07 12:09:53,923 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/5ced00c16/7bf75fb0857d4286ba656f2a7ad5b2b6/FLAG97ff01d5d [2019-12-07 12:09:54,373 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:09:54,374 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2019-12-07 12:09:54,379 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/5ced00c16/7bf75fb0857d4286ba656f2a7ad5b2b6/FLAG97ff01d5d [2019-12-07 12:09:54,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/data/5ced00c16/7bf75fb0857d4286ba656f2a7ad5b2b6 [2019-12-07 12:09:54,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:09:54,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:09:54,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:09:54,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:09:54,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:09:54,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31403813 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54, skipping insertion in model container [2019-12-07 12:09:54,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:09:54,425 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:09:54,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:09:54,572 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:09:54,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:09:54,655 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:09:54,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54 WrapperNode [2019-12-07 12:09:54,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:09:54,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:09:54,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:09:54,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:09:54,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,695 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:09:54,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:09:54,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:09:54,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:09:54,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,721 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... [2019-12-07 12:09:54,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:09:54,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:09:54,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:09:54,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:09:54,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 [2019-12-07 12:09:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:09:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 12:09:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:09:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:09:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:09:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 12:09:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:09:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:10:09,972 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:10:09,972 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 12:10:09,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:10:09 BoogieIcfgContainer [2019-12-07 12:10:09,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:10:09,974 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:10:09,974 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:10:09,976 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:10:09,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:09:54" (1/3) ... [2019-12-07 12:10:09,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2b1158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:10:09, skipping insertion in model container [2019-12-07 12:10:09,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:09:54" (2/3) ... [2019-12-07 12:10:09,977 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b2b1158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:10:09, skipping insertion in model container [2019-12-07 12:10:09,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:10:09" (3/3) ... [2019-12-07 12:10:09,978 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b.c [2019-12-07 12:10:09,984 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:10:09,988 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:10:09,995 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:10:10,010 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:10:10,010 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:10:10,010 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:10:10,010 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:10:10,011 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:10:10,011 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:10:10,011 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:10:10,011 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:10:10,020 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-12-07 12:10:10,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 12:10:10,024 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:10:10,024 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:10:10,024 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:10:10,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:10:10,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2019-12-07 12:10:10,035 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:10:10,035 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [728331256] [2019-12-07 12:10:10,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 [2019-12-07 12:10:10,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:10:10,586 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 12:10:10,590 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:10:10,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:10,601 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:10:10,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:10,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [728331256] [2019-12-07 12:10:10,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:10:10,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 12:10:10,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147095436] [2019-12-07 12:10:10,610 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 12:10:10,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:10:10,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 12:10:10,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:10:10,621 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-12-07 12:10:10,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:10:10,637 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2019-12-07 12:10:10,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 12:10:10,638 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 12:10:10,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:10:10,645 INFO L225 Difference]: With dead ends: 92 [2019-12-07 12:10:10,645 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 12:10:10,647 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 12:10:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 12:10:10,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 12:10:10,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 12:10:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2019-12-07 12:10:10,673 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2019-12-07 12:10:10,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:10:10,673 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2019-12-07 12:10:10,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 12:10:10,673 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2019-12-07 12:10:10,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:10:10,673 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:10:10,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:10:10,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:10:10,875 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:10:10,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:10:10,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2019-12-07 12:10:10,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:10:10,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2023990927] [2019-12-07 12:10:10,878 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 [2019-12-07 12:10:11,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:10:11,485 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 13 conjunts are in the unsatisfiable core [2019-12-07 12:10:11,487 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:10:11,677 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 12:10:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:11,766 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:10:24,971 WARN L192 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2019-12-07 12:10:24,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:24,977 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2023990927] [2019-12-07 12:10:24,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:10:24,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 13 [2019-12-07 12:10:24,978 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020182008] [2019-12-07 12:10:24,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 12:10:24,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:10:24,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 12:10:24,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=150, Unknown=1, NotChecked=0, Total=182 [2019-12-07 12:10:24,980 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 14 states. [2019-12-07 12:10:49,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:10:49,649 INFO L93 Difference]: Finished difference Result 61 states and 73 transitions. [2019-12-07 12:10:49,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:10:49,685 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-12-07 12:10:49,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:10:49,687 INFO L225 Difference]: With dead ends: 61 [2019-12-07 12:10:49,687 INFO L226 Difference]: Without dead ends: 53 [2019-12-07 12:10:49,688 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=87, Invalid=254, Unknown=1, NotChecked=0, Total=342 [2019-12-07 12:10:49,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-12-07 12:10:49,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2019-12-07 12:10:49,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 12:10:49,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2019-12-07 12:10:49,693 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 57 transitions. Word has length 13 [2019-12-07 12:10:49,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:10:49,694 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 57 transitions. [2019-12-07 12:10:49,694 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 12:10:49,694 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 57 transitions. [2019-12-07 12:10:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 12:10:49,694 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:10:49,695 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:10:49,896 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:10:49,896 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:10:49,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:10:49,897 INFO L82 PathProgramCache]: Analyzing trace with hash -657075683, now seen corresponding path program 1 times [2019-12-07 12:10:49,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 12:10:49,899 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1983608144] [2019-12-07 12:10:49,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/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 [2019-12-07 12:10:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:10:50,497 INFO L264 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 12:10:50,499 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:10:50,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:50,515 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:10:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:10:50,543 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1983608144] [2019-12-07 12:10:50,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:10:50,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 12:10:50,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604437529] [2019-12-07 12:10:50,544 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 12:10:50,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 12:10:50,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 12:10:50,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 12:10:50,544 INFO L87 Difference]: Start difference. First operand 44 states and 57 transitions. Second operand 6 states. [2019-12-07 12:10:50,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:10:50,563 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-12-07 12:10:50,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:10:50,563 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-12-07 12:10:50,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:10:50,563 INFO L225 Difference]: With dead ends: 44 [2019-12-07 12:10:50,563 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:10:50,564 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:10:50,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:10:50,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:10:50,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:10:50,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:10:50,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-07 12:10:50,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:10:50,565 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:10:50,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 12:10:50,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:10:50,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:10:50,765 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 12:10:50,768 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:10:51,011 INFO L242 CegarLoopResult]: At program point L93(lines 19 95) the Hoare annotation is: false [2019-12-07 12:10:51,011 INFO L246 CegarLoopResult]: For program point L36(lines 36 44) no Hoare annotation was computed. [2019-12-07 12:10:51,011 INFO L246 CegarLoopResult]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2019-12-07 12:10:51,011 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L242 CegarLoopResult]: At program point L152(lines 144 153) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32)) (_ bv0 32)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) ULTIMATE.start_isinf_float_~x))) [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L249 CegarLoopResult]: At program point L170(lines 155 171) the Hoare annotation is: true [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point L55(lines 55 71) no Hoare annotation was computed. [2019-12-07 12:10:51,012 INFO L246 CegarLoopResult]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L242 CegarLoopResult]: At program point L146-2(lines 146 150) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) ULTIMATE.start_isinf_float_~x))) [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L146-3(lines 146 150) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L242 CegarLoopResult]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L56(lines 56 63) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L242 CegarLoopResult]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2019-12-07 12:10:51,013 INFO L242 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-12-07 12:10:51,013 INFO L246 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L65(lines 65 70) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L90(lines 90 93) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L82(lines 82 94) no Hoare annotation was computed. [2019-12-07 12:10:51,014 INFO L242 CegarLoopResult]: At program point L140(lines 104 141) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0))) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) |ULTIMATE.start___ieee754_log10f_#res|)) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0)) [2019-12-07 12:10:51,014 INFO L246 CegarLoopResult]: For program point L165(lines 165 168) no Hoare annotation was computed. [2019-12-07 12:10:51,015 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:10:51,015 INFO L246 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2019-12-07 12:10:51,015 INFO L242 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2019-12-07 12:10:51,015 INFO L246 CegarLoopResult]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-12-07 12:10:51,015 INFO L242 CegarLoopResult]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_log10f_~x (fp.neg (_ +zero 8 24))) (= ~zero~0 ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 33554432.0)) ~two25_log10~0)) [2019-12-07 12:10:51,015 INFO L246 CegarLoopResult]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2019-12-07 12:10:51,015 INFO L246 CegarLoopResult]: For program point L166(line 166) no Hoare annotation was computed. [2019-12-07 12:10:51,015 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 12:10:51,016 INFO L246 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-12-07 12:10:51,016 INFO L246 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2019-12-07 12:10:51,016 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-12-07 12:10:51,016 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-12-07 12:10:51,016 INFO L246 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2019-12-07 12:10:51,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,032 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,033 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,034 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,035 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,036 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,037 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,038 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,039 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:10:51 BoogieIcfgContainer [2019-12-07 12:10:51,044 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:10:51,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:10:51,045 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:10:51,045 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:10:51,045 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:10:09" (3/4) ... [2019-12-07 12:10:51,048 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:10:51,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 12:10:51,058 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 12:10:51,059 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 12:10:51,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 [2019-12-07 12:10:51,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) [2019-12-07 12:10:51,079 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) [2019-12-07 12:10:51,109 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9a050179-db1f-4b9e-9d08-17bd48ef051e/bin/uautomizer/witness.graphml [2019-12-07 12:10:51,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:10:51,111 INFO L168 Benchmark]: Toolchain (without parser) took 56717.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.4 MB in the beginning and 904.9 MB in the end (delta: 47.5 MB). Peak memory consumption was 175.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:10:51,111 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:10:51,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:10:51,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:10:51,112 INFO L168 Benchmark]: Boogie Preprocessor took 32.14 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. [2019-12-07 12:10:51,112 INFO L168 Benchmark]: RCFGBuilder took 15245.98 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: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:10:51,112 INFO L168 Benchmark]: TraceAbstraction took 41070.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.7 MB in the end (delta: 157.8 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:10:51,112 INFO L168 Benchmark]: Witness Printer took 65.03 ms. Allocated memory is still 1.2 GB. Free memory was 911.7 MB in the beginning and 904.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 12:10:51,114 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 15245.98 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: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41070.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.7 MB in the end (delta: 157.8 MB). Peak memory consumption was 157.8 MB. Max. memory is 11.5 GB. * Witness Printer took 65.03 ms. Allocated memory is still 1.2 GB. Free memory was 911.7 MB in the beginning and 904.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: 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: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant [2019-12-07 12:10:51,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant [2019-12-07 12:10:51,119 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,121 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,122 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) - InvariantResult [Line: 104]: Loop Invariant [2019-12-07 12:10:51,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,124 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2019-12-07 12:10:51,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,126 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,127 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 12:10:51,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 12:10:51,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == \result) && ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) == 0bv32) && zero == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3.3554432E7)) == two25_log10) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 3.3554432E7))), ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) == x) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 47 locations, 1 error locations. Result: SAFE, OverallTime: 40.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 24.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 103 SDtfs, 110 SDslu, 358 SDs, 0 SdLazy, 180 SolverSat, 5 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 22.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 14.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47occurred 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, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 145 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 70 ConstructedInterpolants, 12 QuantifiedInterpolants, 5132 SizeOfPredicates, 15 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 21 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...