./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.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_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9996153423fecedcbbebbb98f8557ca25433f0f ........................................................................................................................................................................................................................................................................................................... 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_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f9996153423fecedcbbebbb98f8557ca25433f0f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 16:58:36,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:58:36,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:58:36,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:58:36,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:58:36,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:58:36,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:58:36,226 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:58:36,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:58:36,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:58:36,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:58:36,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:58:36,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:58:36,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:58:36,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:58:36,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:58:36,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:58:36,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:58:36,236 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:58:36,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:58:36,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:58:36,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:58:36,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:58:36,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:58:36,244 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:58:36,244 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:58:36,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:58:36,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:58:36,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:58:36,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:58:36,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:58:36,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:58:36,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:58:36,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:58:36,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:58:36,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:58:36,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:58:36,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:58:36,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:58:36,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:58:36,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:58:36,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 16:58:36,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:58:36,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:58:36,265 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:58:36,265 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:58:36,265 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:58:36,265 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:58:36,265 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 16:58:36,265 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:58:36,265 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:58:36,265 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 16:58:36,266 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 16:58:36,266 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:58:36,266 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 16:58:36,266 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 16:58:36,266 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 16:58:36,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:58:36,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:58:36,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 16:58:36,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:58:36,267 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:58:36,267 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:58:36,267 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:58:36,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:58:36,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:58:36,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:58:36,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9996153423fecedcbbebbb98f8557ca25433f0f [2019-12-07 16:58:36,378 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:58:36,389 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:58:36,392 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:58:36,393 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:58:36,393 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:58:36,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-12-07 16:58:36,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/17048723e/a1979cd5cda34d01a5803f3b4407fd87/FLAG4399e4641 [2019-12-07 16:58:36,852 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:58:36,853 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-12-07 16:58:36,858 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/17048723e/a1979cd5cda34d01a5803f3b4407fd87/FLAG4399e4641 [2019-12-07 16:58:36,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/17048723e/a1979cd5cda34d01a5803f3b4407fd87 [2019-12-07 16:58:36,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:58:36,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:58:36,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:58:36,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:58:36,875 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:58:36,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:58:36" (1/1) ... [2019-12-07 16:58:36,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b8aa41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:36, skipping insertion in model container [2019-12-07 16:58:36,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:58:36" (1/1) ... [2019-12-07 16:58:36,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:58:36,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:58:37,081 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:58:37,084 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:58:37,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:58:37,126 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:58:37,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37 WrapperNode [2019-12-07 16:58:37,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:58:37,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:58:37,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:58:37,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:58:37,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,157 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:58:37,157 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:58:37,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:58:37,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:58:37,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... [2019-12-07 16:58:37,180 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:58:37,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:58:37,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:58:37,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:58:37,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:58:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:58:37,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 16:58:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 16:58:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 16:58:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:58:37,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:58:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 16:58:37,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:58:37,481 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:58:37,481 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 16:58:37,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:58:37 BoogieIcfgContainer [2019-12-07 16:58:37,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:58:37,483 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:58:37,483 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:58:37,485 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:58:37,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:58:36" (1/3) ... [2019-12-07 16:58:37,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4591f586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:58:37, skipping insertion in model container [2019-12-07 16:58:37,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:37" (2/3) ... [2019-12-07 16:58:37,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4591f586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:58:37, skipping insertion in model container [2019-12-07 16:58:37,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:58:37" (3/3) ... [2019-12-07 16:58:37,487 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b.c [2019-12-07 16:58:37,493 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:58:37,498 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:58:37,505 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:58:37,520 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:58:37,520 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:58:37,520 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:58:37,520 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:58:37,520 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:58:37,521 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:58:37,521 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:58:37,521 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:58:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 16:58:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-07 16:58:37,533 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:58:37,534 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:58:37,534 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:58:37,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:58:37,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1765375807, now seen corresponding path program 1 times [2019-12-07 16:58:37,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:58:37,543 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900004759] [2019-12-07 16:58:37,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:58:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:58:37,622 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 16:58:37,623 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900004759] [2019-12-07 16:58:37,623 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:58:37,624 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 16:58:37,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454620042] [2019-12-07 16:58:37,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:58:37,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 16:58:37,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:58:37,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:58:37,637 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-12-07 16:58:37,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:58:37,648 INFO L93 Difference]: Finished difference Result 37 states and 57 transitions. [2019-12-07 16:58:37,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:58:37,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2019-12-07 16:58:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:58:37,656 INFO L225 Difference]: With dead ends: 37 [2019-12-07 16:58:37,656 INFO L226 Difference]: Without dead ends: 17 [2019-12-07 16:58:37,658 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 16:58:37,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2019-12-07 16:58:37,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2019-12-07 16:58:37,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2019-12-07 16:58:37,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2019-12-07 16:58:37,679 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 8 [2019-12-07 16:58:37,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:58:37,680 INFO L462 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2019-12-07 16:58:37,680 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:58:37,680 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2019-12-07 16:58:37,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 16:58:37,680 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:58:37,680 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:58:37,680 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:58:37,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:58:37,681 INFO L82 PathProgramCache]: Analyzing trace with hash -656635502, now seen corresponding path program 1 times [2019-12-07 16:58:37,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 16:58:37,681 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207729831] [2019-12-07 16:58:37,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 16:58:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:58:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 16:58:37,744 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 16:58:37,744 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 16:58:37,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:58:37 BoogieIcfgContainer [2019-12-07 16:58:37,765 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:58:37,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:58:37,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:58:37,766 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:58:37,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:58:37" (3/4) ... [2019-12-07 16:58:37,768 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 16:58:37,768 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:58:37,770 INFO L168 Benchmark]: Toolchain (without parser) took 897.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.9 MB in the beginning and 1.0 GB in the end (delta: -87.4 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:37,770 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:58:37,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:37,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.05 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 16:58:37,771 INFO L168 Benchmark]: Boogie Preprocessor took 22.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:58:37,772 INFO L168 Benchmark]: RCFGBuilder took 302.06 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:37,772 INFO L168 Benchmark]: TraceAbstraction took 282.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:58:37,772 INFO L168 Benchmark]: Witness Printer took 2.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:58:37,774 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.89 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -154.4 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.05 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 22.97 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 302.06 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: 39.1 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 282.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 27.9 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 151]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; [L146] double x = -1.0 / 0.0; [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L51] ieee_double_shape_type ew_u; [L52] ew_u.value = (x) [L53] EXPR ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L57] k = 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] return -two54_log / zero; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L147] double res = __ieee754_log(x); [L137] return x != x; [L150] COND TRUE !isnan_double(res) [L151] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 19 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 22 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=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 16:58:39,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 16:58:39,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 16:58:39,139 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 16:58:39,139 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 16:58:39,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 16:58:39,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 16:58:39,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 16:58:39,144 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 16:58:39,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 16:58:39,145 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 16:58:39,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 16:58:39,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 16:58:39,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 16:58:39,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 16:58:39,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 16:58:39,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 16:58:39,149 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 16:58:39,151 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 16:58:39,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 16:58:39,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 16:58:39,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 16:58:39,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 16:58:39,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 16:58:39,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 16:58:39,158 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 16:58:39,158 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 16:58:39,159 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 16:58:39,159 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 16:58:39,160 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 16:58:39,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 16:58:39,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 16:58:39,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 16:58:39,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 16:58:39,162 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 16:58:39,162 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 16:58:39,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 16:58:39,163 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 16:58:39,163 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 16:58:39,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 16:58:39,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 16:58:39,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 16:58:39,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 16:58:39,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 16:58:39,176 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 16:58:39,176 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 16:58:39,176 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 16:58:39,176 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 16:58:39,176 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 16:58:39,176 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 16:58:39,177 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 16:58:39,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 16:58:39,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 16:58:39,177 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 16:58:39,177 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 16:58:39,178 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 16:58:39,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 16:58:39,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 16:58:39,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 16:58:39,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 16:58:39,179 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 16:58:39,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 16:58:39,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:58:39,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 16:58:39,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 16:58:39,181 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_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9996153423fecedcbbebbb98f8557ca25433f0f [2019-12-07 16:58:39,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 16:58:39,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 16:58:39,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 16:58:39,370 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 16:58:39,371 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 16:58:39,371 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-12-07 16:58:39,414 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/27d119039/4760bc24b67b4670a9128640909b5d56/FLAG0b4feb192 [2019-12-07 16:58:39,864 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 16:58:39,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/sv-benchmarks/c/float-newlib/double_req_bl_0920b.c [2019-12-07 16:58:39,870 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/27d119039/4760bc24b67b4670a9128640909b5d56/FLAG0b4feb192 [2019-12-07 16:58:39,882 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/data/27d119039/4760bc24b67b4670a9128640909b5d56 [2019-12-07 16:58:39,884 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 16:58:39,885 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 16:58:39,886 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 16:58:39,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 16:58:39,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 16:58:39,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:58:39" (1/1) ... [2019-12-07 16:58:39,892 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@357db60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:39, skipping insertion in model container [2019-12-07 16:58:39,892 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:58:39" (1/1) ... [2019-12-07 16:58:39,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 16:58:39,912 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 16:58:40,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:58:40,060 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 16:58:40,121 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 16:58:40,144 INFO L208 MainTranslator]: Completed translation [2019-12-07 16:58:40,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40 WrapperNode [2019-12-07 16:58:40,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 16:58:40,145 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 16:58:40,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 16:58:40,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 16:58:40,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,180 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 16:58:40,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 16:58:40,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 16:58:40,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 16:58:40,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,192 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... [2019-12-07 16:58:40,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 16:58:40,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 16:58:40,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 16:58:40,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 16:58:40,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 16:58:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 16:58:40,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 16:58:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 16:58:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 16:58:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 16:58:40,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 16:58:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 16:58:40,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 16:59:02,889 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 16:59:02,889 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 16:59:02,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:02 BoogieIcfgContainer [2019-12-07 16:59:02,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 16:59:02,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 16:59:02,891 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 16:59:02,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 16:59:02,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:58:39" (1/3) ... [2019-12-07 16:59:02,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4a8ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:59:02, skipping insertion in model container [2019-12-07 16:59:02,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:58:40" (2/3) ... [2019-12-07 16:59:02,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d4a8ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:59:02, skipping insertion in model container [2019-12-07 16:59:02,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:02" (3/3) ... [2019-12-07 16:59:02,895 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b.c [2019-12-07 16:59:02,901 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 16:59:02,905 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 16:59:02,912 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 16:59:02,927 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 16:59:02,927 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 16:59:02,927 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 16:59:02,927 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 16:59:02,927 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 16:59:02,927 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 16:59:02,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 16:59:02,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 16:59:02,936 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-07 16:59:02,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 16:59:02,940 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:02,941 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:02,941 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:02,944 INFO L82 PathProgramCache]: Analyzing trace with hash 1030195787, now seen corresponding path program 1 times [2019-12-07 16:59:02,951 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:02,952 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682460494] [2019-12-07 16:59:02,952 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:03,775 INFO L264 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 16:59:03,779 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:03,790 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 16:59:03,790 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:03,793 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 16:59:03,795 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682460494] [2019-12-07 16:59:03,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:03,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 16:59:03,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661420700] [2019-12-07 16:59:03,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 16:59:03,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:03,814 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 16:59:03,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 16:59:03,817 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-12-07 16:59:03,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:03,832 INFO L93 Difference]: Finished difference Result 56 states and 90 transitions. [2019-12-07 16:59:03,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 16:59:03,833 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 16:59:03,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:03,840 INFO L225 Difference]: With dead ends: 56 [2019-12-07 16:59:03,840 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 16:59:03,842 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 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 16:59:03,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 16:59:03,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 16:59:03,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 16:59:03,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 36 transitions. [2019-12-07 16:59:03,866 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 36 transitions. Word has length 10 [2019-12-07 16:59:03,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:03,866 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 36 transitions. [2019-12-07 16:59:03,866 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 16:59:03,867 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2019-12-07 16:59:03,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 16:59:03,867 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:03,867 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:04,068 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 16:59:04,069 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:04,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:04,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1305111410, now seen corresponding path program 1 times [2019-12-07 16:59:04,072 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:04,072 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [377199331] [2019-12-07 16:59:04,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:04,913 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 16:59:04,915 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:04,987 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 16:59:04,987 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:05,057 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 16:59:05,057 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [377199331] [2019-12-07 16:59:05,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:05,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-12-07 16:59:05,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058126983] [2019-12-07 16:59:05,059 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 16:59:05,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:05,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 16:59:05,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 16:59:05,060 INFO L87 Difference]: Start difference. First operand 26 states and 36 transitions. Second operand 6 states. [2019-12-07 16:59:06,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:06,394 INFO L93 Difference]: Finished difference Result 31 states and 40 transitions. [2019-12-07 16:59:06,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 16:59:06,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-12-07 16:59:06,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:06,424 INFO L225 Difference]: With dead ends: 31 [2019-12-07 16:59:06,424 INFO L226 Difference]: Without dead ends: 13 [2019-12-07 16:59:06,425 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 16:59:06,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-07 16:59:06,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 16:59:06,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 16:59:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-12-07 16:59:06,428 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-12-07 16:59:06,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:06,429 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-12-07 16:59:06,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 16:59:06,429 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-12-07 16:59:06,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 16:59:06,430 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 16:59:06,430 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 16:59:06,631 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 16:59:06,632 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 16:59:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 16:59:06,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1813045648, now seen corresponding path program 1 times [2019-12-07 16:59:06,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 16:59:06,634 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [232568059] [2019-12-07 16:59:06,635 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 16:59:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 16:59:07,513 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 12 conjunts are in the unsatisfiable core [2019-12-07 16:59:07,514 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 16:59:07,606 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 16:59:07,606 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 16:59:43,509 WARN L192 SmtUtils]: Spent 4.74 s on a formula simplification that was a NOOP. DAG size: 14 [2019-12-07 16:59:43,529 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 16:59:43,530 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [232568059] [2019-12-07 16:59:43,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 16:59:43,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 16:59:43,530 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076918340] [2019-12-07 16:59:43,531 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 16:59:43,531 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 16:59:43,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 16:59:43,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=63, Unknown=5, NotChecked=0, Total=90 [2019-12-07 16:59:43,531 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 10 states. [2019-12-07 16:59:45,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 16:59:45,954 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 16:59:45,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 16:59:45,955 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-12-07 16:59:45,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 16:59:45,955 INFO L225 Difference]: With dead ends: 13 [2019-12-07 16:59:45,955 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 16:59:45,956 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 36.4s TimeCoverageRelationStatistics Valid=49, Invalid=102, Unknown=5, NotChecked=0, Total=156 [2019-12-07 16:59:45,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 16:59:45,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 16:59:45,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 16:59:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 16:59:45,956 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-12-07 16:59:45,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 16:59:45,956 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 16:59:45,957 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 16:59:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 16:59:45,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 16:59:46,157 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 16:59:46,160 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 16:59:46,412 INFO L249 CegarLoopResult]: At program point L155(lines 139 156) the Hoare annotation is: true [2019-12-07 16:59:46,413 INFO L242 CegarLoopResult]: At program point L122(lines 45 124) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero~0) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= ULTIMATE.start___ieee754_log_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)))) (= |ULTIMATE.start___ieee754_log_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_log_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point L85(lines 85 92) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L242 CegarLoopResult]: At program point L65-2(lines 65 69) the Hoare annotation is: false [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point L94(lines 94 99) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point L61(lines 61 62) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 16:59:46,413 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L119(lines 119 122) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L86(lines 86 91) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L111(lines 111 123) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L58(lines 58 70) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2019-12-07 16:59:46,414 INFO L242 CegarLoopResult]: At program point L50-2(lines 50 55) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_log_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 16:59:46,414 INFO L246 CegarLoopResult]: For program point L50-3(lines 50 55) no Hoare annotation was computed. [2019-12-07 16:59:46,415 INFO L242 CegarLoopResult]: At program point L137(line 137) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero~0) (exists ((|v_skolemized_q#valueAsBitvector_7| (_ BitVec 64)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_7|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_7|))) (= ULTIMATE.start___ieee754_log_~hx~1 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_7|)))) (= |ULTIMATE.start___ieee754_log_#res| (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53))) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53)) ULTIMATE.start___ieee754_log_~x) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2019-12-07 16:59:46,415 INFO L246 CegarLoopResult]: For program point L59(lines 59 60) no Hoare annotation was computed. [2019-12-07 16:59:46,415 INFO L246 CegarLoopResult]: For program point L150(lines 150 153) no Hoare annotation was computed. [2019-12-07 16:59:46,415 INFO L246 CegarLoopResult]: For program point L84(lines 84 100) no Hoare annotation was computed. [2019-12-07 16:59:46,415 INFO L246 CegarLoopResult]: For program point L113(lines 113 117) no Hoare annotation was computed. [2019-12-07 16:59:46,415 INFO L246 CegarLoopResult]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2019-12-07 16:59:46,415 INFO L242 CegarLoopResult]: At program point L76-2(lines 76 81) the Hoare annotation is: false [2019-12-07 16:59:46,415 INFO L246 CegarLoopResult]: For program point L76-3(lines 76 81) no Hoare annotation was computed. [2019-12-07 16:59:46,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,422 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,423 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,427 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,430 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,434 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,439 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 04:59:46 BoogieIcfgContainer [2019-12-07 16:59:46,442 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 16:59:46,442 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 16:59:46,442 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 16:59:46,442 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 16:59:46,442 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:59:02" (3/4) ... [2019-12-07 16:59:46,445 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 16:59:46,453 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-07 16:59:46,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 16:59:46,454 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 16:59:46,472 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_7 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) && hx == v_skolemized_q#valueAsBitvector_7[63:32])) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 16:59:46,473 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_7 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) && hx == v_skolemized_q#valueAsBitvector_7[63:32])) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result [2019-12-07 16:59:46,505 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_997c51a7-8394-4b9f-aab9-dcccc73215ab/bin/utaipan/witness.graphml [2019-12-07 16:59:46,505 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 16:59:46,506 INFO L168 Benchmark]: Toolchain (without parser) took 66620.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 952.4 MB in the beginning and 938.6 MB in the end (delta: 13.7 MB). Peak memory consumption was 135.4 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:46,506 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 16:59:46,506 INFO L168 Benchmark]: CACSL2BoogieTranslator took 258.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:46,507 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.03 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 16:59:46,507 INFO L168 Benchmark]: Boogie Preprocessor took 29.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:46,507 INFO L168 Benchmark]: RCFGBuilder took 22680.62 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:46,508 INFO L168 Benchmark]: TraceAbstraction took 43550.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.5 MB in the end (delta: 124.7 MB). Peak memory consumption was 124.7 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:46,508 INFO L168 Benchmark]: Witness Printer took 62.91 ms. Allocated memory is still 1.2 GB. Free memory was 945.5 MB in the beginning and 938.6 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 16:59:46,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 258.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -158.4 MB). Peak memory consumption was 20.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.03 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 22680.62 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43550.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 945.5 MB in the end (delta: 124.7 MB). Peak memory consumption was 124.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.91 ms. Allocated memory is still 1.2 GB. Free memory was 945.5 MB in the beginning and 938.6 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,514 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,515 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,515 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,516 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,516 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,518 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,518 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_7 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) && hx == v_skolemized_q#valueAsBitvector_7[63:32])) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant [2019-12-07 16:59:46,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,519 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,519 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,520 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 137]: Loop Invariant [2019-12-07 16:59:46,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,522 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 16:59:46,522 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_7,QUANTIFIED] [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,523 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,524 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 16:59:46,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 16:59:46,524 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~Pluszero~LONGDOUBLE() == zero && (\exists v_skolemized_q#valueAsBitvector_7 : bv64, currentRoundingMode : FloatRoundingMode :: ~fp.div~DOUBLE(currentRoundingMode, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_7[63:63], v_skolemized_q#valueAsBitvector_7[62:52], v_skolemized_q#valueAsBitvector_7[51:0]) && hx == v_skolemized_q#valueAsBitvector_7[63:32])) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: SAFE, OverallTime: 43.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 52 SDtfs, 31 SDslu, 24 SDs, 0 SdLazy, 24 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 36.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 138 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 36.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 10 QuantifiedInterpolants, 5336 SizeOfPredicates, 19 NumberOfNonLiveVariables, 126 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...