./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0981.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_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 ............................................................................................................................................................................................................................................................................................................. 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_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:39:38,512 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:39:38,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:39:38,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:39:38,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:39:38,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:39:38,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:39:38,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:39:38,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:39:38,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:39:38,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:39:38,529 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:39:38,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:39:38,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:39:38,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:39:38,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:39:38,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:39:38,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:39:38,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:39:38,537 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:39:38,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:39:38,539 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:39:38,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:39:38,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:39:38,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:39:38,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:39:38,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:39:38,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:39:38,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:39:38,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:39:38,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:39:38,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:39:38,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:39:38,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:39:38,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:39:38,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:39:38,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:39:38,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:39:38,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:39:38,547 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:39:38,548 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:39:38,548 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:39:38,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:39:38,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:39:38,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:39:38,562 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:39:38,562 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:39:38,562 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:39:38,563 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:39:38,563 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:39:38,563 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:39:38,563 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:39:38,563 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:39:38,564 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:39:38,564 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:39:38,564 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:39:38,564 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:39:38,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:39:38,565 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:39:38,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:39:38,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:39:38,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:39:38,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:39:38,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:39:38,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:39:38,566 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:39:38,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:39:38,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:39:38,567 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:39:38,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:39:38,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:39:38,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:39:38,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:39:38,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:39:38,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:39:38,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:39:38,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:39:38,568 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:39:38,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:39:38,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:39:38,569 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:39:38,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:39:38,569 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan 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 -> Taipan 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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2019-12-07 15:39:38,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:39:38,685 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:39:38,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:39:38,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:39:38,688 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:39:38,689 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2019-12-07 15:39:38,726 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/e479a7d43/c98aed3a7de34cd3b3477656dcb63818/FLAGb912c1cbf [2019-12-07 15:39:39,138 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:39:39,138 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2019-12-07 15:39:39,143 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/e479a7d43/c98aed3a7de34cd3b3477656dcb63818/FLAGb912c1cbf [2019-12-07 15:39:39,152 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/e479a7d43/c98aed3a7de34cd3b3477656dcb63818 [2019-12-07 15:39:39,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:39:39,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:39:39,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:39:39,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:39:39,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:39:39,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12624de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39, skipping insertion in model container [2019-12-07 15:39:39,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:39:39,182 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:39:39,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:39:39,345 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:39:39,372 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:39:39,386 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:39:39,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39 WrapperNode [2019-12-07 15:39:39,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:39:39,387 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:39:39,387 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:39:39,387 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:39:39,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:39:39,420 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:39:39,420 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:39:39,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:39:39,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... [2019-12-07 15:39:39,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:39:39,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:39:39,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:39:39,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:39:39,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/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 15:39:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:39:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 15:39:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:39:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 15:39:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:39:39,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:39:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:39:39,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:39:39,791 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:39:39,792 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 15:39:39,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:39 BoogieIcfgContainer [2019-12-07 15:39:39,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:39:39,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:39:39,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:39:39,795 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:39:39,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:39:39" (1/3) ... [2019-12-07 15:39:39,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20aa67e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:39:39, skipping insertion in model container [2019-12-07 15:39:39,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:39" (2/3) ... [2019-12-07 15:39:39,796 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20aa67e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:39:39, skipping insertion in model container [2019-12-07 15:39:39,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:39" (3/3) ... [2019-12-07 15:39:39,797 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2019-12-07 15:39:39,804 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:39:39,808 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:39:39,816 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:39:39,831 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:39:39,831 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:39:39,831 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:39:39,831 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:39:39,831 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:39:39,831 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:39:39,831 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:39:39,831 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:39:39,840 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2019-12-07 15:39:39,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 15:39:39,844 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:39:39,845 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:39:39,845 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:39:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash -904375748, now seen corresponding path program 1 times [2019-12-07 15:39:39,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:39:39,854 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837593983] [2019-12-07 15:39:39,854 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:39,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:39,934 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 15:39:39,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837593983] [2019-12-07 15:39:39,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:39:39,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:39:39,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349109610] [2019-12-07 15:39:39,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:39:39,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:39:39,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:39:39,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:39:39,949 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2019-12-07 15:39:39,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:39:39,962 INFO L93 Difference]: Finished difference Result 73 states and 117 transitions. [2019-12-07 15:39:39,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:39:39,963 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 15:39:39,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:39:39,970 INFO L225 Difference]: With dead ends: 73 [2019-12-07 15:39:39,970 INFO L226 Difference]: Without dead ends: 35 [2019-12-07 15:39:39,972 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 15:39:39,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-12-07 15:39:39,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-12-07 15:39:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-12-07 15:39:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2019-12-07 15:39:39,995 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 9 [2019-12-07 15:39:39,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:39:39,996 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2019-12-07 15:39:39,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:39:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2019-12-07 15:39:39,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:39:39,996 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:39:39,996 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:39:39,996 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:39:39,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:39,997 INFO L82 PathProgramCache]: Analyzing trace with hash 967314873, now seen corresponding path program 1 times [2019-12-07 15:39:39,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:39:39,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025992418] [2019-12-07 15:39:39,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:40,070 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 15:39:40,070 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:39:40,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:39:40 BoogieIcfgContainer [2019-12-07 15:39:40,093 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:39:40,093 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:39:40,093 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:39:40,093 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:39:40,093 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:39" (3/4) ... [2019-12-07 15:39:40,096 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:39:40,096 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:39:40,097 INFO L168 Benchmark]: Toolchain (without parser) took 941.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 944.7 MB in the beginning and 1.0 GB in the end (delta: -56.9 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:40,097 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:39:40,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:40,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.19 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 15:39:40,098 INFO L168 Benchmark]: Boogie Preprocessor took 24.97 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 15:39:40,099 INFO L168 Benchmark]: RCFGBuilder took 347.14 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:40,099 INFO L168 Benchmark]: TraceAbstraction took 299.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 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 15:39:40,100 INFO L168 Benchmark]: Witness Printer took 2.73 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 15:39:40,102 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.97 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 347.14 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: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 299.56 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 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 2.73 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: 168]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: 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; [L163] float x = 1.0f / 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] [L164] 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); [L167] COND TRUE !isinf_float(res) [L168] __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, 37 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 44 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=37occurred 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 15:39:41,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:39:41,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:39:41,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:39:41,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:39:41,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:39:41,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:39:41,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:39:41,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:39:41,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:39:41,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:39:41,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:39:41,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:39:41,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:39:41,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:39:41,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:39:41,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:39:41,556 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:39:41,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:39:41,559 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:39:41,560 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:39:41,561 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:39:41,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:39:41,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:39:41,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:39:41,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:39:41,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:39:41,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:39:41,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:39:41,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:39:41,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:39:41,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:39:41,567 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:39:41,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:39:41,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:39:41,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:39:41,569 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:39:41,569 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:39:41,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:39:41,570 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:39:41,571 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:39:41,571 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:39:41,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:39:41,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:39:41,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:39:41,582 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:39:41,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:39:41,582 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:39:41,583 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:39:41,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:39:41,583 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:39:41,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:39:41,584 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:39:41,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:39:41,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:39:41,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:39:41,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:39:41,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:39:41,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:39:41,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:39:41,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:39:41,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:39:41,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:39:41,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:39:41,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:39:41,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:39:41,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:39:41,587 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:39:41,587 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:39:41,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:39:41,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:39:41,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:39:41,587 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_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan 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 -> Taipan 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 -> a7a942aef31d674fbc5ba5c6ed676ac24f2343b7 [2019-12-07 15:39:41,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:39:41,764 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:39:41,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:39:41,767 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:39:41,767 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:39:41,768 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2019-12-07 15:39:41,806 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/876eaa7de/fd7389a2b3ff41a381718a0e26fbb4da/FLAG2a65a1d79 [2019-12-07 15:39:42,247 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:39:42,247 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2019-12-07 15:39:42,252 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/876eaa7de/fd7389a2b3ff41a381718a0e26fbb4da/FLAG2a65a1d79 [2019-12-07 15:39:42,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/data/876eaa7de/fd7389a2b3ff41a381718a0e26fbb4da [2019-12-07 15:39:42,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:39:42,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:39:42,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:39:42,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:39:42,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:39:42,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,268 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41944eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42, skipping insertion in model container [2019-12-07 15:39:42,268 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,273 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:39:42,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:39:42,419 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:39:42,424 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:39:42,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:39:42,509 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:39:42,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42 WrapperNode [2019-12-07 15:39:42,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:39:42,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:39:42,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:39:42,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:39:42,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:39:42,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:39:42,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:39:42,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:39:42,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,562 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,572 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... [2019-12-07 15:39:42,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:39:42,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:39:42,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:39:42,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:39:42,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/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 15:39:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:39:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 15:39:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:39:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:39:42,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:39:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 15:39:42,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:39:42,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:39:57,006 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:39:57,006 INFO L287 CfgBuilder]: Removed 24 assume(true) statements. [2019-12-07 15:39:57,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:57 BoogieIcfgContainer [2019-12-07 15:39:57,007 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:39:57,007 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:39:57,008 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:39:57,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:39:57,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:39:42" (1/3) ... [2019-12-07 15:39:57,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341a25be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:39:57, skipping insertion in model container [2019-12-07 15:39:57,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:42" (2/3) ... [2019-12-07 15:39:57,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@341a25be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:39:57, skipping insertion in model container [2019-12-07 15:39:57,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:57" (3/3) ... [2019-12-07 15:39:57,011 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2019-12-07 15:39:57,017 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:39:57,022 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:39:57,028 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:39:57,043 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:39:57,043 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:39:57,043 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:39:57,043 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:39:57,044 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:39:57,044 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:39:57,044 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:39:57,044 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:39:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2019-12-07 15:39:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:39:57,057 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:39:57,057 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:39:57,058 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:39:57,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:57,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2019-12-07 15:39:57,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:39:57,069 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1507716722] [2019-12-07 15:39:57,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/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 15:39:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:57,646 INFO L264 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:39:57,649 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:57,659 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 15:39:57,659 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:39:57,662 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 15:39:57,663 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1507716722] [2019-12-07 15:39:57,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:39:57,664 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:39:57,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993239459] [2019-12-07 15:39:57,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:39:57,667 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:39:57,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:39:57,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:39:57,678 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 2 states. [2019-12-07 15:39:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:39:57,695 INFO L93 Difference]: Finished difference Result 92 states and 150 transitions. [2019-12-07 15:39:57,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:39:57,696 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 15:39:57,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:39:57,706 INFO L225 Difference]: With dead ends: 92 [2019-12-07 15:39:57,706 INFO L226 Difference]: Without dead ends: 44 [2019-12-07 15:39:57,709 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 15:39:57,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-12-07 15:39:57,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2019-12-07 15:39:57,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-07 15:39:57,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2019-12-07 15:39:57,735 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2019-12-07 15:39:57,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:39:57,735 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2019-12-07 15:39:57,735 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:39:57,736 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2019-12-07 15:39:57,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 15:39:57,736 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:39:57,736 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:39:57,937 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:39:57,937 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:39:57,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:57,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2019-12-07 15:39:57,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:39:57,939 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019698675] [2019-12-07 15:39:57,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/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 15:39:58,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:58,539 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 15:39:58,541 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:58,595 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 15:39:58,595 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:39:58,648 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 15:39:58,649 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019698675] [2019-12-07 15:39:58,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:39:58,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 15:39:58,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221485059] [2019-12-07 15:39:58,650 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 15:39:58,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:39:58,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 15:39:58,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 15:39:58,651 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 6 states. [2019-12-07 15:39:58,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:39:58,868 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2019-12-07 15:39:58,869 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 15:39:58,869 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-12-07 15:39:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:39:58,869 INFO L225 Difference]: With dead ends: 52 [2019-12-07 15:39:58,869 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 15:39:58,870 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 15:39:58,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 15:39:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 15:39:58,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 15:39:58,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2019-12-07 15:39:58,873 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2019-12-07 15:39:58,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:39:58,873 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2019-12-07 15:39:58,873 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 15:39:58,873 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2019-12-07 15:39:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 15:39:58,874 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:39:58,874 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:39:59,075 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:39:59,076 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:39:59,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:59,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1749203143, now seen corresponding path program 1 times [2019-12-07 15:39:59,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:39:59,078 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2002930478] [2019-12-07 15:39:59,079 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/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 15:39:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:59,549 INFO L264 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 15:39:59,552 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:59,606 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 15:39:59,639 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 15:39:59,640 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:40:00,249 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 15:40:00,250 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2002930478] [2019-12-07 15:40:00,250 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:40:00,250 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-07 15:40:00,250 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853210842] [2019-12-07 15:40:00,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 15:40:00,251 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:40:00,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 15:40:00,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-12-07 15:40:00,252 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 15 states. [2019-12-07 15:40:00,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:40:00,534 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2019-12-07 15:40:00,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 15:40:00,534 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2019-12-07 15:40:00,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:40:00,535 INFO L225 Difference]: With dead ends: 16 [2019-12-07 15:40:00,535 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 15:40:00,536 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-12-07 15:40:00,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 15:40:00,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 15:40:00,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 15:40:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 15:40:00,537 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2019-12-07 15:40:00,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:40:00,537 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:40:00,537 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 15:40:00,537 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:40:00,537 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 15:40:00,738 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 15:40:00,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 15:40:01,002 INFO L242 CegarLoopResult]: At program point L93(lines 19 95) the Hoare annotation is: false [2019-12-07 15:40:01,002 INFO L246 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2019-12-07 15:40:01,002 INFO L246 CegarLoopResult]: For program point L36(lines 36 44) no Hoare annotation was computed. [2019-12-07 15:40:01,002 INFO L246 CegarLoopResult]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2019-12-07 15:40:01,002 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 15:40:01,002 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 15:40:01,002 INFO L242 CegarLoopResult]: At program point L152(lines 144 153) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) .cse0) (= |ULTIMATE.start___ieee754_log10f_#res| .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_isinf_float_~x .cse0))) [2019-12-07 15:40:01,002 INFO L246 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L30(lines 30 31) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L121(lines 121 129) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L55(lines 55 71) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L146-1(lines 146 150) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L242 CegarLoopResult]: At program point L146-2(lines 146 150) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= |ULTIMATE.start___ieee754_log10f_#res| .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_isinf_float_~x .cse0))) [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L146-3(lines 146 150) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L249 CegarLoopResult]: At program point L171(lines 155 172) the Hoare annotation is: true [2019-12-07 15:40:01,003 INFO L246 CegarLoopResult]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2019-12-07 15:40:01,003 INFO L242 CegarLoopResult]: At program point L39-2(lines 39 43) the Hoare annotation is: false [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L56(lines 56 63) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L242 CegarLoopResult]: At program point L23-2(lines 23 27) the Hoare annotation is: false [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L242 CegarLoopResult]: At program point L48-2(lines 48 52) the Hoare annotation is: false [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L65(lines 65 70) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L90(lines 90 93) no Hoare annotation was computed. [2019-12-07 15:40:01,004 INFO L246 CegarLoopResult]: For program point L57(lines 57 62) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 168) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L246 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L246 CegarLoopResult]: For program point L82(lines 82 94) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L242 CegarLoopResult]: At program point L140(lines 104 141) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= |ULTIMATE.start___ieee754_log10f_#res| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 15:40:01,005 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L246 CegarLoopResult]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L242 CegarLoopResult]: At program point L124-2(lines 124 128) the Hoare annotation is: false [2019-12-07 15:40:01,005 INFO L246 CegarLoopResult]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2019-12-07 15:40:01,005 INFO L242 CegarLoopResult]: At program point L108-2(lines 108 112) the Hoare annotation is: (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start___ieee754_log10f_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L84(lines 84 88) no Hoare annotation was computed. [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L167(lines 167 170) no Hoare annotation was computed. [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2019-12-07 15:40:01,006 INFO L242 CegarLoopResult]: At program point L134-2(lines 134 138) the Hoare annotation is: false [2019-12-07 15:40:01,006 INFO L246 CegarLoopResult]: For program point L134-3(lines 134 138) no Hoare annotation was computed. [2019-12-07 15:40:01,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,018 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,021 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,031 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:40:01 BoogieIcfgContainer [2019-12-07 15:40:01,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:40:01,036 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:40:01,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:40:01,037 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:40:01,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:57" (3/4) ... [2019-12-07 15:40:01,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 15:40:01,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-12-07 15:40:01,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 15:40:01,049 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 15:40:01,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 15:40:01,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-12-07 15:40:01,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(\result, 4294967295bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-12-07 15:40:01,101 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_1fce17cd-f927-44df-878b-a9e192c395a6/bin/utaipan/witness.graphml [2019-12-07 15:40:01,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:40:01,102 INFO L168 Benchmark]: Toolchain (without parser) took 18838.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.7 MB in the beginning and 904.5 MB in the end (delta: 49.2 MB). Peak memory consumption was 180.3 MB. Max. memory is 11.5 GB. [2019-12-07 15:40:01,102 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 15:40:01,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:40:01,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.95 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 15:40:01,103 INFO L168 Benchmark]: Boogie Preprocessor took 32.01 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:40:01,103 INFO L168 Benchmark]: RCFGBuilder took 14423.09 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:40:01,104 INFO L168 Benchmark]: TraceAbstraction took 4028.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.4 MB in the end (delta: 160.4 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:40:01,104 INFO L168 Benchmark]: Witness Printer took 64.42 ms. Allocated memory is still 1.2 GB. Free memory was 911.4 MB in the beginning and 904.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:40:01,105 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 246.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -166.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.95 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. * Boogie Preprocessor took 32.01 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 14423.09 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: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4028.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 911.4 MB in the end (delta: 160.4 MB). Peak memory consumption was 160.4 MB. Max. memory is 11.5 GB. * Witness Printer took 64.42 ms. Allocated memory is still 1.2 GB. Free memory was 911.4 MB in the beginning and 904.5 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.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: 168]: 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: 108]: Loop Invariant [2019-12-07 15:40:01,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - 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 15:40:01,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,112 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,112 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,114 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 104]: Loop Invariant [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,118 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,118 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,119 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 144]: Loop Invariant [2019-12-07 15:40:01,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,120 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,122 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,123 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 15:40:01,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 15:40:01,125 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((0bv32 == ~bvadd64(\result, 4294967295bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 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: 3.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 78 SDtfs, 55 SDslu, 48 SDs, 0 SdLazy, 50 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.9s 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 207 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 13 QuantifiedInterpolants, 6456 SizeOfPredicates, 18 NumberOfNonLiveVariables, 159 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...