./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_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 16:09:18,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:09:18,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:09:18,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:09:18,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:09:18,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:09:18,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:09:18,943 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:09:18,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:09:18,944 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:09:18,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:09:18,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:09:18,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:09:18,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:09:18,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:09:18,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:09:18,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:09:18,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:09:18,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:09:18,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:09:18,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:09:18,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:09:18,955 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:09:18,955 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:09:18,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:09:18,957 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:09:18,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:09:18,958 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:09:18,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:09:18,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:09:18,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:09:18,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:09:18,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:09:18,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:09:18,961 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:09:18,961 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:09:18,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:09:18,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:09:18,962 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:09:18,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:09:18,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:09:18,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 16:09:18,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:09:18,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:09:18,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:09:18,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:09:18,973 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:09:18,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:09:18,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:09:18,975 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:09:18,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:09:18,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:09:18,975 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:09:18,975 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:09:18,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:09:18,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:09:18,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:09:18,976 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03f3c06db3ef41593c24334f9583c5e77016ee88 [2019-12-07 16:09:19,079 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:09:19,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:09:19,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:09:19,090 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:09:19,091 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:09:19,091 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 16:09:19,129 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/6d9bece7f/377bd92d37e74eb09fdfe4b8c6d8e7a2/FLAG1fc3ed860 [2019-12-07 16:09:19,594 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:09:19,595 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 16:09:19,599 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/6d9bece7f/377bd92d37e74eb09fdfe4b8c6d8e7a2/FLAG1fc3ed860 [2019-12-07 16:09:19,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/6d9bece7f/377bd92d37e74eb09fdfe4b8c6d8e7a2 [2019-12-07 16:09:19,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:09:19,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:09:19,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:09:19,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:09:19,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:09:19,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10530a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19, skipping insertion in model container [2019-12-07 16:09:19,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:09:19,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:09:19,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:09:19,792 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:09:19,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:09:19,831 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:09:19,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19 WrapperNode [2019-12-07 16:09:19,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:09:19,832 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:09:19,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:09:19,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:09:19,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:09:19,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:09:19,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:09:19,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:09:19,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,872 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,872 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... [2019-12-07 16:09:19,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:09:19,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:09:19,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:09:19,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:09:19,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:09:19,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:09:19,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 16:09:19,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:09:20,149 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:09:20,149 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 16:09:20,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:09:20 BoogieIcfgContainer [2019-12-07 16:09:20,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:09:20,151 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:09:20,151 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:09:20,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:09:20,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:09:19" (1/3) ... [2019-12-07 16:09:20,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2653e5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:09:20, skipping insertion in model container [2019-12-07 16:09:20,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:19" (2/3) ... [2019-12-07 16:09:20,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2653e5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:09:20, skipping insertion in model container [2019-12-07 16:09:20,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:09:20" (3/3) ... [2019-12-07 16:09:20,156 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2019-12-07 16:09:20,162 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:09:20,167 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:09:20,174 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:09:20,188 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:09:20,188 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:09:20,188 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:09:20,189 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:09:20,189 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:09:20,189 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:09:20,189 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:09:20,189 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:09:20,198 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-12-07 16:09:20,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:09:20,202 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:20,202 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:09:20,203 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:20,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:20,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1903254750, now seen corresponding path program 1 times [2019-12-07 16:09:20,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:09:20,212 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899692621] [2019-12-07 16:09:20,212 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:09:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:09:20,300 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 16:09:20,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899692621] [2019-12-07 16:09:20,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:09:20,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:09:20,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014913317] [2019-12-07 16:09:20,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:09:20,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 16:09:20,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:09:20,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:09:20,315 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-12-07 16:09:20,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:09:20,328 INFO L93 Difference]: Finished difference Result 80 states and 128 transitions. [2019-12-07 16:09:20,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:09:20,329 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 16:09:20,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:09:20,335 INFO L225 Difference]: With dead ends: 80 [2019-12-07 16:09:20,335 INFO L226 Difference]: Without dead ends: 38 [2019-12-07 16:09:20,337 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 16:09:20,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-12-07 16:09:20,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-12-07 16:09:20,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-12-07 16:09:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2019-12-07 16:09:20,360 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 9 [2019-12-07 16:09:20,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:09:20,361 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2019-12-07 16:09:20,361 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:09:20,361 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2019-12-07 16:09:20,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:09:20,361 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:20,361 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:09:20,361 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:20,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:20,362 INFO L82 PathProgramCache]: Analyzing trace with hash 1485096063, now seen corresponding path program 1 times [2019-12-07 16:09:20,362 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 16:09:20,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321627884] [2019-12-07 16:09:20,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:09:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:09:20,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:09:20,433 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 16:09:20,433 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:09:20,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:09:20 BoogieIcfgContainer [2019-12-07 16:09:20,457 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:09:20,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:09:20,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:09:20,458 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:09:20,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:09:20" (3/4) ... [2019-12-07 16:09:20,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:09:20,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:09:20,462 INFO L168 Benchmark]: Toolchain (without parser) took 850.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -109.1 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:20,462 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:09:20,462 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:20,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:20,463 INFO L168 Benchmark]: Boogie Preprocessor took 23.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:20,464 INFO L168 Benchmark]: RCFGBuilder took 263.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:20,464 INFO L168 Benchmark]: TraceAbstraction took 306.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:20,464 INFO L168 Benchmark]: Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:09:20,467 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 219.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -183.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.68 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 263.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 306.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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; VAL [halF_exp={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [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={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, 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={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, 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={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, 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={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, 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={6:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={3:0}, 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, 41 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 52 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=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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:09:21,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:09:21,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:09:21,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-12-07 16:09:21,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:09:21,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:09:21,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:09:21,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:09:21,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:09:21,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:09:21,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:09:21,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:09:21,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:09:21,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:09:21,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:09:21,816 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:09:21,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-07 16:09:21,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:09:21,820 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:09:21,821 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:09:21,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:09:21,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:09:21,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:09:21,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:09:21,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:09:21,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:09:21,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:09:21,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:09:21,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 16:09:21,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:09:21,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:09:21,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 16:09:21,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 16:09:21,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:09:21,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:09:21,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:09:21,837 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:09:21,837 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:09:21,837 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:09:21,837 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:09:21,837 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:09:21,837 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:09:21,838 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:09:21,838 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 16:09:21,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:09:21,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:09:21,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:09:21,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:09:21,839 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_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03f3c06db3ef41593c24334f9583c5e77016ee88 [2019-12-07 16:09:22,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:09:22,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:09:22,018 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:09:22,019 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:09:22,019 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:09:22,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 16:09:22,059 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/25b7d22ab/55a9cd6edf304d8d9fbf255871d7b502/FLAG60c22a42d [2019-12-07 16:09:22,507 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:09:22,507 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2019-12-07 16:09:22,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/25b7d22ab/55a9cd6edf304d8d9fbf255871d7b502/FLAG60c22a42d [2019-12-07 16:09:22,523 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/data/25b7d22ab/55a9cd6edf304d8d9fbf255871d7b502 [2019-12-07 16:09:22,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:09:22,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:09:22,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:09:22,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:09:22,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:09:22,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c27f256 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22, skipping insertion in model container [2019-12-07 16:09:22,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:09:22,552 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:09:22,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:09:22,694 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:09:22,754 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:09:22,771 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:09:22,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22 WrapperNode [2019-12-07 16:09:22,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:09:22,772 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:09:22,772 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:09:22,772 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:09:22,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:09:22,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:09:22,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:09:22,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:09:22,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... [2019-12-07 16:09:22,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:09:22,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:09:22,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:09:22,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:09:22,840 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:09:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 16:09:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:09:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 16:09:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:09:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:09:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:09:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 16:09:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:09:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:09:29,938 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:09:29,938 INFO L287 CfgBuilder]: Removed 20 assume(true) statements. [2019-12-07 16:09:29,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:09:29 BoogieIcfgContainer [2019-12-07 16:09:29,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:09:29,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:09:29,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:09:29,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:09:29,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:09:22" (1/3) ... [2019-12-07 16:09:29,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b1db4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:09:29, skipping insertion in model container [2019-12-07 16:09:29,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:09:22" (2/3) ... [2019-12-07 16:09:29,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15b1db4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:09:29, skipping insertion in model container [2019-12-07 16:09:29,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:09:29" (3/3) ... [2019-12-07 16:09:29,944 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2019-12-07 16:09:29,950 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:09:29,954 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:09:29,961 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:09:29,975 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:09:29,975 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:09:29,975 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:09:29,975 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:09:29,976 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:09:29,976 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:09:29,976 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:09:29,976 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:09:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2019-12-07 16:09:29,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:09:29,989 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:29,989 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:09:29,990 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:29,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:29,993 INFO L82 PathProgramCache]: Analyzing trace with hash -1903254750, now seen corresponding path program 1 times [2019-12-07 16:09:30,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:09:30,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [901064660] [2019-12-07 16:09:30,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:09:30,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:09:30,434 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:09:30,439 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:09:30,449 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 16:09:30,449 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:09:30,452 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 16:09:30,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [901064660] [2019-12-07 16:09:30,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:09:30,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:09:30,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066420056] [2019-12-07 16:09:30,459 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:09:30,459 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:09:30,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:09:30,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:09:30,470 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2019-12-07 16:09:30,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:09:30,485 INFO L93 Difference]: Finished difference Result 80 states and 128 transitions. [2019-12-07 16:09:30,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:09:30,486 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 16:09:30,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:09:30,494 INFO L225 Difference]: With dead ends: 80 [2019-12-07 16:09:30,495 INFO L226 Difference]: Without dead ends: 38 [2019-12-07 16:09:30,497 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 16:09:30,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-12-07 16:09:30,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2019-12-07 16:09:30,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-12-07 16:09:30,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 49 transitions. [2019-12-07 16:09:30,522 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 49 transitions. Word has length 9 [2019-12-07 16:09:30,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:09:30,522 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 49 transitions. [2019-12-07 16:09:30,522 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:09:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2019-12-07 16:09:30,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:09:30,523 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:30,523 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:09:30,724 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:09:30,725 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:30,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:30,725 INFO L82 PathProgramCache]: Analyzing trace with hash 1485096063, now seen corresponding path program 1 times [2019-12-07 16:09:30,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:09:30,727 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23546981] [2019-12-07 16:09:30,727 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:09:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:09:31,180 INFO L264 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 16:09:31,183 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:09:31,258 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 16:09:31,259 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:09:31,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:09:31,326 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23546981] [2019-12-07 16:09:31,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:09:31,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:09:31,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484272941] [2019-12-07 16:09:31,327 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:09:31,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:09:31,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:09:31,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:09:31,328 INFO L87 Difference]: Start difference. First operand 38 states and 49 transitions. Second operand 8 states. [2019-12-07 16:09:31,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:09:31,454 INFO L93 Difference]: Finished difference Result 47 states and 58 transitions. [2019-12-07 16:09:31,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:09:31,458 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-12-07 16:09:31,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:09:31,459 INFO L225 Difference]: With dead ends: 47 [2019-12-07 16:09:31,459 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 16:09:31,460 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 16:09:31,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 16:09:31,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 16:09:31,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 16:09:31,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2019-12-07 16:09:31,463 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 10 [2019-12-07 16:09:31,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:09:31,463 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2019-12-07 16:09:31,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:09:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2019-12-07 16:09:31,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 16:09:31,464 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:31,464 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:09:31,665 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:09:31,665 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:31,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:31,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1241168828, now seen corresponding path program 1 times [2019-12-07 16:09:31,667 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:09:31,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36071367] [2019-12-07 16:09:31,667 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:09:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:09:32,163 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 16:09:32,165 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:09:32,239 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 16:09:32,239 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:09:32,308 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 16:09:32,309 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36071367] [2019-12-07 16:09:32,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:09:32,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:09:32,309 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848338149] [2019-12-07 16:09:32,309 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:09:32,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:09:32,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:09:32,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:09:32,310 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand 8 states. [2019-12-07 16:09:32,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:09:32,413 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2019-12-07 16:09:32,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 16:09:32,414 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 16:09:32,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:09:32,414 INFO L225 Difference]: With dead ends: 28 [2019-12-07 16:09:32,414 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 16:09:32,415 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 16:09:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 16:09:32,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 16:09:32,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 16:09:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2019-12-07 16:09:32,417 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 13 [2019-12-07 16:09:32,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:09:32,418 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2019-12-07 16:09:32,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:09:32,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2019-12-07 16:09:32,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 16:09:32,418 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:32,418 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:09:32,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:09:32,619 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:32,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:32,620 INFO L82 PathProgramCache]: Analyzing trace with hash -1183910526, now seen corresponding path program 1 times [2019-12-07 16:09:32,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:09:32,621 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1100806744] [2019-12-07 16:09:32,621 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/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 16:09:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:09:33,110 INFO L264 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 16:09:33,111 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:09:33,150 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 16:09:33,150 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:09:33,151 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:09:33,914 WARN L192 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2019-12-07 16:09:33,920 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 16:09:33,920 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1100806744] [2019-12-07 16:09:33,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:09:33,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 16:09:33,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377978345] [2019-12-07 16:09:33,921 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 16:09:33,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:09:33,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 16:09:33,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 16:09:33,921 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 8 states. [2019-12-07 16:09:34,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:09:34,373 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2019-12-07 16:09:34,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 16:09:34,374 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2019-12-07 16:09:34,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:09:34,374 INFO L225 Difference]: With dead ends: 21 [2019-12-07 16:09:34,374 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 16:09:34,374 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 16:09:34,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 16:09:34,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 16:09:34,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 16:09:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2019-12-07 16:09:34,377 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 13 [2019-12-07 16:09:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:09:34,378 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2019-12-07 16:09:34,378 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 16:09:34,378 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2019-12-07 16:09:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-07 16:09:34,378 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:09:34,378 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 16:09:34,579 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 16:09:34,579 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:09:34,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:09:34,580 INFO L82 PathProgramCache]: Analyzing trace with hash 893748631, now seen corresponding path program 1 times [2019-12-07 16:09:34,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 16:09:34,581 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [227017] [2019-12-07 16:09:34,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/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 16:09:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:09:35,054 INFO L264 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:09:35,056 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:09:35,169 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:09:35,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 16:09:35,219 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:09:35,220 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 16:09:35,744 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 16:09:35,744 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [227017] [2019-12-07 16:09:35,744 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:09:35,744 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 14 [2019-12-07 16:09:35,744 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861459988] [2019-12-07 16:09:35,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 16:09:35,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 16:09:35,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 16:09:35,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2019-12-07 16:09:35,745 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 14 states. [2019-12-07 16:09:36,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:09:36,930 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2019-12-07 16:09:36,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 16:09:36,931 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 17 [2019-12-07 16:09:36,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:09:36,931 INFO L225 Difference]: With dead ends: 18 [2019-12-07 16:09:36,931 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:09:36,931 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 16:09:36,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:09:36,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:09:36,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:09:36,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:09:36,932 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2019-12-07 16:09:36,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:09:36,932 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:09:36,932 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 16:09:36,932 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:09:36,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:09:37,133 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2019-12-07 16:09:37,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:09:37,440 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-12-07 16:09:37,618 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-12-07 16:09:37,732 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-12-07 16:09:37,743 INFO L246 CegarLoopResult]: For program point L52(lines 52 53) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L249 CegarLoopResult]: At program point L135(lines 120 136) the Hoare annotation is: true [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L242 CegarLoopResult]: At program point L94-2(lines 94 98) the Hoare annotation is: false [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point L86-1(lines 79 92) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point L86-2(lines 86 90) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-12-07 16:09:37,744 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 16:09:37,744 INFO L246 CegarLoopResult]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-12-07 16:09:37,744 INFO L246 CegarLoopResult]: For program point L79(lines 79 105) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-12-07 16:09:37,745 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 16:09:37,745 INFO L246 CegarLoopResult]: For program point L38-1(lines 38 42) no Hoare annotation was computed. [2019-12-07 16:09:37,745 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 16:09:37,745 INFO L246 CegarLoopResult]: For program point L38-3(lines 38 42) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L55(lines 55 70) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L130-2(lines 130 133) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L56(lines 56 65) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 65) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L48(lines 48 49) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L81-1(lines 81 85) no Hoare annotation was computed. [2019-12-07 16:09:37,745 INFO L242 CegarLoopResult]: At program point L81-2(lines 81 85) the Hoare annotation is: false [2019-12-07 16:09:37,745 INFO L246 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 131) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L49(line 49) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L49-2(line 49) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L99(lines 99 103) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L50(lines 50 51) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2019-12-07 16:09:37,746 INFO L246 CegarLoopResult]: For program point L67-2(lines 55 70) no Hoare annotation was computed. [2019-12-07 16:09:37,746 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 16:09:37,747 INFO L246 CegarLoopResult]: For program point L68(lines 68 69) no Hoare annotation was computed. [2019-12-07 16:09:37,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,756 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,758 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,762 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,763 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,765 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,765 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,766 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,767 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,768 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,768 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,769 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,771 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,771 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,771 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,773 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,774 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,775 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,776 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,778 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,778 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,779 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,779 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,779 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,780 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:09:37 BoogieIcfgContainer [2019-12-07 16:09:37,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:09:37,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:09:37,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:09:37,782 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:09:37,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:09:29" (3/4) ... [2019-12-07 16:09:37,784 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:09:37,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 16:09:37,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2019-12-07 16:09:37,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:09:37,811 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 16:09:37,812 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 16:09:37,812 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 16:09:37,813 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 16:09:37,842 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e649ac06-be5d-45dc-b662-286408e30686/bin/uautomizer/witness.graphml [2019-12-07 16:09:37,842 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:09:37,843 INFO L168 Benchmark]: Toolchain (without parser) took 15316.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 952.4 MB in the beginning and 819.6 MB in the end (delta: 132.8 MB). Peak memory consumption was 252.3 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:37,843 INFO L168 Benchmark]: CDTParser took 0.14 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 16:09:37,843 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:37,844 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.09 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 16:09:37,844 INFO L168 Benchmark]: Boogie Preprocessor took 31.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:37,844 INFO L168 Benchmark]: RCFGBuilder took 7100.19 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:37,844 INFO L168 Benchmark]: TraceAbstraction took 7841.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 826.5 MB in the end (delta: 234.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:37,845 INFO L168 Benchmark]: Witness Printer took 60.39 ms. Allocated memory is still 1.1 GB. Free memory was 826.5 MB in the beginning and 819.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:09:37,846 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -156.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.09 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 31.57 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7100.19 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: 40.8 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7841.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 826.5 MB in the end (delta: 234.2 MB). Peak memory consumption was 234.2 MB. Max. memory is 11.5 GB. * Witness Printer took 60.39 ms. Allocated memory is still 1.1 GB. Free memory was 826.5 MB in the beginning and 819.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation 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 16:09:37,851 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,852 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,853 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,854 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,854 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,854 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,855 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,856 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,857 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,858 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 16:09:37,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,858 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,859 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,860 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,861 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,861 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,862 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,863 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,864 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 16:09:37,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,864 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,865 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,866 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,866 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,867 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,868 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2019-12-07 16:09:37,869 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,869 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 16:09:37,869 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,870 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:09:37,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:09:37,870 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:09:37,870 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: 1.9s, 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, 2.4s 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, 2.0s 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...