./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.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_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 03f3c06db3ef41593c24334f9583c5e77016ee88 ................................................................................................................................................................................................................................................................................................................... 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_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 03f3c06db3ef41593c24334f9583c5e77016ee88 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:12:08,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:12:08,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:12:08,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:12:08,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:12:08,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:12:08,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:12:08,045 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:12:08,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:12:08,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:12:08,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:12:08,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:12:08,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:12:08,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:12:08,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:12:08,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:12:08,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:12:08,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:12:08,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:12:08,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:12:08,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:12:08,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:12:08,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:12:08,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:12:08,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:12:08,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:12:08,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:12:08,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:12:08,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:12:08,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:12:08,062 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:12:08,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:12:08,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:12:08,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:12:08,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:12:08,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:12:08,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:12:08,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:12:08,066 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:12:08,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:12:08,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:12:08,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:12:08,081 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:12:08,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:12:08,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:12:08,082 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:12:08,082 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:12:08,082 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:12:08,083 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:12:08,083 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:12:08,083 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:12:08,083 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:12:08,083 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:12:08,083 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:12:08,084 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:12:08,084 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:12:08,084 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:12:08,085 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:12:08,085 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:12:08,085 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:12:08,085 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:12:08,085 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:12:08,086 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:12:08,086 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:12:08,086 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:12:08,086 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:12:08,086 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:12:08,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:12:08,087 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:12:08,087 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:12:08,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:12:08,087 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:12:08,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:12:08,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:12:08,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:12:08,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:12:08,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:12:08,088 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:12:08,088 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:12:08,088 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:12:08,089 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:12:08,089 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:12:08,089 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_f8b69203-108b-43ea-b3f9-6473f1263072/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 -> 03f3c06db3ef41593c24334f9583c5e77016ee88 [2019-12-07 20:12:08,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:12:08,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:12:08,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:12:08,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:12:08,205 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:12:08,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 20:12:08,243 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/605363d4b/a653b82685524e0ba33194fcc45968c4/FLAG7f662fe63 [2019-12-07 20:12:08,678 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:12:08,679 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 20:12:08,683 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/605363d4b/a653b82685524e0ba33194fcc45968c4/FLAG7f662fe63 [2019-12-07 20:12:08,692 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/605363d4b/a653b82685524e0ba33194fcc45968c4 [2019-12-07 20:12:08,694 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:12:08,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:12:08,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:12:08,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:12:08,697 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:12:08,698 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,699 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1e11ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08, skipping insertion in model container [2019-12-07 20:12:08,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:12:08,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:12:08,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:12:08,879 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:12:08,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:12:08,918 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:12:08,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08 WrapperNode [2019-12-07 20:12:08,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:12:08,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:12:08,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:12:08,919 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:12:08,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:12:08,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:12:08,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:12:08,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:12:08,957 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,972 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... [2019-12-07 20:12:08,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:12:08,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:12:08,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:12:08,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:12:08,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 20:12:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:12:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:12:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:12:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:12:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:12:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:12:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:12:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 20:12:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:12:09,289 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:12:09,289 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 20:12:09,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:12:09 BoogieIcfgContainer [2019-12-07 20:12:09,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:12:09,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:12:09,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:12:09,292 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:12:09,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:12:08" (1/3) ... [2019-12-07 20:12:09,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65539311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:12:09, skipping insertion in model container [2019-12-07 20:12:09,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:08" (2/3) ... [2019-12-07 20:12:09,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65539311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:12:09, skipping insertion in model container [2019-12-07 20:12:09,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:12:09" (3/3) ... [2019-12-07 20:12:09,295 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2019-12-07 20:12:09,301 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:12:09,306 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:12:09,313 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:12:09,328 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:12:09,328 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:12:09,328 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:12:09,328 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:12:09,328 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:12:09,329 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:12:09,329 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:12:09,329 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:12:09,339 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states. [2019-12-07 20:12:09,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 20:12:09,342 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:09,343 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:09,343 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:09,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:09,347 INFO L82 PathProgramCache]: Analyzing trace with hash 2076244200, now seen corresponding path program 1 times [2019-12-07 20:12:09,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:12:09,353 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042476226] [2019-12-07 20:12:09,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:12:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:12:09,439 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 20:12:09,439 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042476226] [2019-12-07 20:12:09,440 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:12:09,440 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:12:09,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908158575] [2019-12-07 20:12:09,443 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:12:09,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:12:09,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:12:09,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:12:09,453 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 2 states. [2019-12-07 20:12:09,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:12:09,466 INFO L93 Difference]: Finished difference Result 67 states and 111 transitions. [2019-12-07 20:12:09,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:12:09,467 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 20:12:09,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:12:09,474 INFO L225 Difference]: With dead ends: 67 [2019-12-07 20:12:09,474 INFO L226 Difference]: Without dead ends: 32 [2019-12-07 20:12:09,476 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 20:12:09,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2019-12-07 20:12:09,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2019-12-07 20:12:09,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-12-07 20:12:09,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2019-12-07 20:12:09,498 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 41 transitions. Word has length 8 [2019-12-07 20:12:09,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:12:09,498 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 41 transitions. [2019-12-07 20:12:09,498 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:12:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2019-12-07 20:12:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:12:09,499 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:09,499 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:09,499 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:09,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:09,499 INFO L82 PathProgramCache]: Analyzing trace with hash 295511929, now seen corresponding path program 1 times [2019-12-07 20:12:09,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:12:09,500 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228567278] [2019-12-07 20:12:09,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:12:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:12:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:12:09,559 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:12:09,560 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:12:09,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:12:09 BoogieIcfgContainer [2019-12-07 20:12:09,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:12:09,583 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:12:09,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:12:09,583 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:12:09,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:12:09" (3/4) ... [2019-12-07 20:12:09,586 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:12:09,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:12:09,587 INFO L168 Benchmark]: Toolchain (without parser) took 892.35 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -71.5 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:09,588 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:12:09,588 INFO L168 Benchmark]: CACSL2BoogieTranslator took 223.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:09,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.84 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 20:12:09,589 INFO L168 Benchmark]: Boogie Preprocessor took 23.56 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 20:12:09,589 INFO L168 Benchmark]: RCFGBuilder took 315.45 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:09,589 INFO L168 Benchmark]: TraceAbstraction took 292.11 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:09,590 INFO L168 Benchmark]: Witness Printer took 2.94 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 20:12:09,592 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 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 223.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -138.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.84 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 23.56 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 315.45 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 292.11 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: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.94 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: 131]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 130, overapproximation of someUnaryDOUBLEoperation at line 16, overapproximation of bitwiseAnd at line 43, overapproximation of someBinaryArithmeticFLOAToperation at line 47. Possible FailurePath: [L12-L31] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L126] float x = -1.0f / 0.0f; [L34] float y, hi, lo, c, t; [L35] __int32_t k = 0, xsb, sx; [L36] __uint32_t hx; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={3:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (sx) = gf_u.word [L43] xsb = (sx >> 31) & 1 [L44] hx = sx & 0x7fffffff VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={3:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L46] COND TRUE ((hx) > 0x7f800000L) [L47] return x + x; VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={3:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L127] float res = __ieee754_expf(x); [L130] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={3:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L131] __VERIFIER_error() VAL [halF_exp={5:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={3:0}, ln2LO_exp={6:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 34 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 43 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=34occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:12:10,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:12:10,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:12:10,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-12-07 20:12:10,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:12:10,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:12:10,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:12:10,987 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:12:10,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:12:10,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:12:10,990 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:12:10,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:12:10,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:12:10,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:12:10,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:12:10,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:12:10,997 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:12:10,997 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:12:10,997 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:12:10,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:12:10,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:12:10,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:12:10,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:12:11,000 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:12:11,000 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:12:11,001 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:12:11,001 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:12:11,001 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:12:11,002 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:12:11,002 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:12:11,002 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:12:11,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:12:11,003 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:12:11,004 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:12:11,014 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:12:11,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:12:11,015 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:12:11,015 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:12:11,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:12:11,015 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:12:11,015 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:12:11,015 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:12:11,016 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:12:11,016 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:12:11,016 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:12:11,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:12:11,016 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:12:11,017 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:12:11,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:12:11,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:12:11,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:12:11,019 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:12:11,020 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_f8b69203-108b-43ea-b3f9-6473f1263072/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 -> 03f3c06db3ef41593c24334f9583c5e77016ee88 [2019-12-07 20:12:11,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:12:11,202 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:12:11,205 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:12:11,206 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:12:11,207 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:12:11,207 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 20:12:11,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/a5baedbde/c758ba5f35bc47fdb3fd2db0424fc0b6/FLAG1a9db4bce [2019-12-07 20:12:11,648 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:12:11,649 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 20:12:11,653 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/a5baedbde/c758ba5f35bc47fdb3fd2db0424fc0b6/FLAG1a9db4bce [2019-12-07 20:12:12,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/data/a5baedbde/c758ba5f35bc47fdb3fd2db0424fc0b6 [2019-12-07 20:12:12,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:12:12,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:12:12,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:12:12,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:12:12,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:12:12,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@253f1c31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12, skipping insertion in model container [2019-12-07 20:12:12,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:12:12,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:12:12,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:12:12,189 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:12:12,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:12:12,268 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:12:12,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12 WrapperNode [2019-12-07 20:12:12,268 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:12:12,269 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:12:12,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:12:12,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:12:12,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:12:12,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:12:12,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:12:12,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:12:12,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... [2019-12-07 20:12:12,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:12:12,332 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:12:12,332 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:12:12,332 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:12:12,333 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 20:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 20:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:12:12,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 20:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:12:12,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 20:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:12:12,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:12:19,430 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:12:19,431 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 20:12:19,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:12:19 BoogieIcfgContainer [2019-12-07 20:12:19,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:12:19,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:12:19,432 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:12:19,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:12:19,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:12:12" (1/3) ... [2019-12-07 20:12:19,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608450a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:12:19, skipping insertion in model container [2019-12-07 20:12:19,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:12:12" (2/3) ... [2019-12-07 20:12:19,435 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@608450a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:12:19, skipping insertion in model container [2019-12-07 20:12:19,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:12:19" (3/3) ... [2019-12-07 20:12:19,436 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2019-12-07 20:12:19,442 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:12:19,446 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:12:19,453 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:12:19,468 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:12:19,468 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:12:19,468 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:12:19,468 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:12:19,468 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:12:19,468 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:12:19,468 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:12:19,469 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:12:19,477 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-12-07 20:12:19,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:12:19,481 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:19,482 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:19,482 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:19,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:19,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1903254750, now seen corresponding path program 1 times [2019-12-07 20:12:19,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:12:19,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979569141] [2019-12-07 20:12:19,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 20:12:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:12:19,932 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:12:19,936 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:12:19,946 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 20:12:19,947 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:12:19,949 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 20:12:19,950 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979569141] [2019-12-07 20:12:19,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:12:19,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:12:19,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361862305] [2019-12-07 20:12:19,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:12:19,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:12:19,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:12:19,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:12:19,969 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-12-07 20:12:19,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:12:19,986 INFO L93 Difference]: Finished difference Result 80 states and 128 transitions. [2019-12-07 20:12:19,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:12:19,988 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 20:12:19,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:12:19,995 INFO L225 Difference]: With dead ends: 80 [2019-12-07 20:12:19,995 INFO L226 Difference]: Without dead ends: 38 [2019-12-07 20:12:19,997 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 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 20:12:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-12-07 20:12:20,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-12-07 20:12:20,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-12-07 20:12:20,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2019-12-07 20:12:20,021 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 9 [2019-12-07 20:12:20,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:12:20,021 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2019-12-07 20:12:20,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:12:20,021 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2019-12-07 20:12:20,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:12:20,021 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:20,021 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:20,222 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:12:20,222 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:20,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:20,223 INFO L82 PathProgramCache]: Analyzing trace with hash 1485096063, now seen corresponding path program 1 times [2019-12-07 20:12:20,224 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:12:20,224 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1861528009] [2019-12-07 20:12:20,224 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 20:12:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:12:20,690 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:12:20,692 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:12:20,768 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 20:12:20,768 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:12:20,841 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 20:12:20,841 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1861528009] [2019-12-07 20:12:20,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:12:20,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:12:20,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963157061] [2019-12-07 20:12:20,843 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:12:20,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:12:20,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:12:20,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:12:20,844 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand 8 states. [2019-12-07 20:12:20,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:12:20,975 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2019-12-07 20:12:20,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:12:20,979 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-12-07 20:12:20,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:12:20,980 INFO L225 Difference]: With dead ends: 47 [2019-12-07 20:12:20,980 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 20:12:20,981 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:12:20,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 20:12:20,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 20:12:20,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 20:12:20,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-12-07 20:12:20,983 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10 [2019-12-07 20:12:20,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:12:20,984 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-12-07 20:12:20,984 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:12:20,984 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-07 20:12:20,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 20:12:20,984 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:20,984 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:21,185 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:12:21,186 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:21,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:21,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1241168828, now seen corresponding path program 1 times [2019-12-07 20:12:21,187 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:12:21,187 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [317934217] [2019-12-07 20:12:21,188 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/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 20:12:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:12:21,681 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:12:21,683 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:12:21,747 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 20:12:21,747 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:12:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:12:21,811 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [317934217] [2019-12-07 20:12:21,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:12:21,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:12:21,812 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782378297] [2019-12-07 20:12:21,812 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:12:21,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:12:21,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:12:21,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:12:21,813 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 8 states. [2019-12-07 20:12:21,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:12:21,922 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-12-07 20:12:21,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:12:21,923 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 20:12:21,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:12:21,923 INFO L225 Difference]: With dead ends: 28 [2019-12-07 20:12:21,923 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 20:12:21,924 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:12:21,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 20:12:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 20:12:21,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 20:12:21,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-12-07 20:12:21,927 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 13 [2019-12-07 20:12:21,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:12:21,927 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-12-07 20:12:21,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:12:21,927 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-12-07 20:12:21,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 20:12:21,927 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:21,927 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:22,128 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:12:22,128 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:22,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:22,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1183910526, now seen corresponding path program 1 times [2019-12-07 20:12:22,130 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:12:22,130 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1911643497] [2019-12-07 20:12:22,130 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:12:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:12:22,606 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:12:22,608 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:12:22,646 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 20:12:22,646 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:12:22,647 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:12:23,409 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2019-12-07 20:12:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:12:23,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1911643497] [2019-12-07 20:12:23,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:12:23,414 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:12:23,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663511946] [2019-12-07 20:12:23,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:12:23,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:12:23,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:12:23,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:12:23,415 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2019-12-07 20:12:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:12:23,853 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-12-07 20:12:23,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:12:23,854 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 20:12:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:12:23,854 INFO L225 Difference]: With dead ends: 21 [2019-12-07 20:12:23,854 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 20:12:23,855 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:12:23,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 20:12:23,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 20:12:23,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 20:12:23,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-12-07 20:12:23,858 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 13 [2019-12-07 20:12:23,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:12:23,858 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-12-07 20:12:23,858 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:12:23,858 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-12-07 20:12:23,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 20:12:23,859 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:12:23,859 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:12:24,059 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:12:24,060 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:12:24,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:12:24,060 INFO L82 PathProgramCache]: Analyzing trace with hash 893748631, now seen corresponding path program 1 times [2019-12-07 20:12:24,061 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:12:24,061 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419366791] [2019-12-07 20:12:24,062 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2019-12-07 20:12:24,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:12:24,553 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 20:12:24,555 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:12:24,653 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:12:24,700 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 20:12:24,700 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:12:24,701 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:12:25,239 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 20:12:25,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419366791] [2019-12-07 20:12:25,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:12:25,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 20:12:25,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891210962] [2019-12-07 20:12:25,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 20:12:25,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:12:25,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 20:12:25,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 20:12:25,241 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 14 states. [2019-12-07 20:12:26,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:12:26,380 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 20:12:26,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:12:26,381 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2019-12-07 20:12:26,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:12:26,381 INFO L225 Difference]: With dead ends: 18 [2019-12-07 20:12:26,382 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:12:26,382 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=75, Invalid=231, Unknown=0, NotChecked=0, Total=306 [2019-12-07 20:12:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:12:26,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:12:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:12:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:12:26,383 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-12-07 20:12:26,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:12:26,383 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:12:26,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 20:12:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:12:26,384 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:12:26,584 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 20:12:26,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:12:26,889 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-07 20:12:27,085 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-12-07 20:12:27,203 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L249 CegarLoopResult]: At program point L135(lines 120 136) the Hoare annotation is: true [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L242 CegarLoopResult]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point L86-1(lines 79 92) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L246 CegarLoopResult]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-12-07 20:12:27,214 INFO L242 CegarLoopResult]: At program point L111-2(lines 111 115) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_expf_#res| ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x)) |ULTIMATE.start_main_#t~short20| (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start_main_~res~0)) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start___signbit_float_~x))) [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L79(lines 79 105) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L242 CegarLoopResult]: At program point L104(lines 33 106) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_expf_#res| ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L242 CegarLoopResult]: At program point L38-2(lines 38 42) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L55(lines 55 70) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 133) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 65) no Hoare annotation was computed. [2019-12-07 20:12:27,215 INFO L246 CegarLoopResult]: For program point L48(lines 48 49) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L81-1(lines 81 85) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L242 CegarLoopResult]: At program point L81-2(lines 81 85) the Hoare annotation is: false [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L49-2(line 49) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L50(lines 50 51) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2019-12-07 20:12:27,216 INFO L246 CegarLoopResult]: For program point L67-2(lines 55 70) no Hoare annotation was computed. [2019-12-07 20:12:27,217 INFO L242 CegarLoopResult]: At program point L117(lines 108 118) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___signbit_float_~w~0) ((_ extract 30 23) ULTIMATE.start___signbit_float_~w~0) ((_ extract 22 0) ULTIMATE.start___signbit_float_~w~0)) ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv1 32) (bvashr ULTIMATE.start___ieee754_expf_~sx~0 (_ bv31 32))) ULTIMATE.start___ieee754_expf_~xsb~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (exists ((currentRoundingMode RoundingMode)) (= |ULTIMATE.start___ieee754_expf_#res| ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start___ieee754_expf_~x)) |ULTIMATE.start_main_#t~short20| (= |ULTIMATE.start___signbit_float_#res| (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start_main_~res~0)) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ((_ to_fp 8 24) currentRoundingMode (_ +zero 11 53)) ULTIMATE.start___signbit_float_~x))) [2019-12-07 20:12:27,217 INFO L246 CegarLoopResult]: For program point L68(lines 68 69) no Hoare annotation was computed. [2019-12-07 20:12:27,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,226 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,227 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,230 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,233 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,235 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,236 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,237 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,238 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,241 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,242 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,243 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,244 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,245 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,248 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:12:27 BoogieIcfgContainer [2019-12-07 20:12:27,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:12:27,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:12:27,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:12:27,252 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:12:27,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:12:19" (3/4) ... [2019-12-07 20:12:27,255 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:12:27,263 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 20:12:27,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 20:12:27,264 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:12:27,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 20:12:27,282 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_expf_~sx~0, 31bv32)) == xsb && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 20:12:27,283 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_expf_~sx~0, 31bv32)) == xsb && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x) [2019-12-07 20:12:27,284 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_expf_~sx~0, 31bv32)) == xsb && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x) [2019-12-07 20:12:27,315 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f8b69203-108b-43ea-b3f9-6473f1263072/bin/utaipan/witness.graphml [2019-12-07 20:12:27,315 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:12:27,316 INFO L168 Benchmark]: Toolchain (without parser) took 15284.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.4 MB in the beginning and 819.6 MB in the end (delta: 132.7 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:27,316 INFO L168 Benchmark]: CDTParser took 0.17 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 20:12:27,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 235.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:27,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.79 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 20:12:27,317 INFO L168 Benchmark]: Boogie Preprocessor took 29.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:27,317 INFO L168 Benchmark]: RCFGBuilder took 7099.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:27,317 INFO L168 Benchmark]: TraceAbstraction took 7819.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 832.8 MB in the end (delta: 230.2 MB). Peak memory consumption was 230.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:27,318 INFO L168 Benchmark]: Witness Printer took 63.60 ms. Allocated memory is still 1.1 GB. Free memory was 832.8 MB in the beginning and 819.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:12:27,319 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 235.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.79 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 29.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7099.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7819.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 832.8 MB in the end (delta: 230.2 MB). Peak memory consumption was 230.2 MB. Max. memory is 11.5 GB. * Witness Printer took 63.60 ms. Allocated memory is still 1.1 GB. Free memory was 832.8 MB in the beginning and 819.6 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - 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[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - 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[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - 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[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - 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[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - 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 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 * 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 131]: 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: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-12-07 20:12:27,324 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,325 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,326 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,327 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,328 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,329 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,330 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_expf_~sx~0, 31bv32)) == xsb && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && \result == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant [2019-12-07 20:12:27,331 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,332 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,333 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,334 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,334 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,335 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,336 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,337 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,337 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((((\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_expf_~sx~0, 31bv32)) == xsb && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && aux-res == 0.0f && __signbit_float(res) == 0-aux) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == res)) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 33]: Loop Invariant [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,338 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,339 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,340 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,341 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 20:12:27,342 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(1bv32, ~bvashr32(ULTIMATE.start___ieee754_expf_~sx~0, 31bv32)) == xsb && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: \result == ~to_fp~LONGDOUBLE(currentRoundingMode, ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0) && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 38]: Loop Invariant [2019-12-07 20:12:27,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,343 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:12:27,343 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,344 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 20:12:27,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:12:27,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. Result: SAFE, OverallTime: 7.1s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, HoareTripleCheckerStatistics: 103 SDtfs, 157 SDslu, 124 SDs, 0 SdLazy, 67 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 304 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 21 QuantifiedInterpolants, 6220 SizeOfPredicates, 29 NumberOfNonLiveVariables, 340 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...