./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 716c28290dbb6f2a00a15a2121f6ea544c27813b ............................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 716c28290dbb6f2a00a15a2121f6ea544c27813b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 16:01:45,366 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:01:45,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:01:45,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:01:45,405 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:01:45,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:01:45,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:01:45,410 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:01:45,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:01:45,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:01:45,414 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:01:45,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:01:45,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:01:45,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:01:45,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:01:45,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:01:45,420 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:01:45,421 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:01:45,423 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:01:45,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:01:45,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:01:45,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:01:45,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:01:45,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:01:45,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:01:45,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:01:45,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:01:45,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:01:45,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:01:45,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:01:45,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:01:45,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:01:45,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:01:45,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:01:45,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:01:45,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:01:45,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:01:45,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:01:45,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:01:45,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:01:45,444 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:01:45,445 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 16:01:45,466 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:01:45,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:01:45,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:01:45,467 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:01:45,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:01:45,467 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:01:45,468 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 16:01:45,468 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:01:45,468 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:01:45,468 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 16:01:45,468 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 16:01:45,468 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:01:45,469 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 16:01:45,469 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 16:01:45,469 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 16:01:45,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:01:45,470 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:01:45,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 16:01:45,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:01:45,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:01:45,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:01:45,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:01:45,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:01:45,471 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:01:45,471 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:01:45,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:01:45,471 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:01:45,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:01:45,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:01:45,472 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:01:45,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:01:45,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:01:45,472 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:01:45,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:01:45,473 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 16:01:45,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 16:01:45,473 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:01:45,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:01:45,473 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:01:45,474 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716c28290dbb6f2a00a15a2121f6ea544c27813b [2020-12-09 16:01:45,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:01:45,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:01:45,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:01:45,696 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:01:45,696 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:01:45,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-09 16:01:45,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/c278ff5ce/c743c4a46816454f8ab51dca7df8bb2c/FLAGaeeb0e32e [2020-12-09 16:01:46,088 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:01:46,088 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-09 16:01:46,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/c278ff5ce/c743c4a46816454f8ab51dca7df8bb2c/FLAGaeeb0e32e [2020-12-09 16:01:46,106 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/c278ff5ce/c743c4a46816454f8ab51dca7df8bb2c [2020-12-09 16:01:46,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:01:46,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:01:46,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:01:46,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:01:46,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:01:46,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f120e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46, skipping insertion in model container [2020-12-09 16:01:46,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,121 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:01:46,134 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:01:46,255 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-09 16:01:46,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:01:46,264 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:01:46,283 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-09 16:01:46,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:01:46,293 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:01:46,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46 WrapperNode [2020-12-09 16:01:46,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:01:46,295 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:01:46,295 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:01:46,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:01:46,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:01:46,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:01:46,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:01:46,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:01:46,327 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,329 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,339 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... [2020-12-09 16:01:46,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:01:46,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:01:46,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:01:46,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:01:46,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/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 [2020-12-09 16:01:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 16:01:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:01:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 16:01:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 16:01:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 16:01:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:01:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:01:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 16:01:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:01:46,749 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:01:46,749 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-09 16:01:46,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:46 BoogieIcfgContainer [2020-12-09 16:01:46,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:01:46,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:01:46,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:01:46,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:01:46,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:01:46" (1/3) ... [2020-12-09 16:01:46,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de8bb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:01:46, skipping insertion in model container [2020-12-09 16:01:46,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:46" (2/3) ... [2020-12-09 16:01:46,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4de8bb09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:01:46, skipping insertion in model container [2020-12-09 16:01:46,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:46" (3/3) ... [2020-12-09 16:01:46,757 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-12-09 16:01:46,766 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:01:46,770 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:01:46,780 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:01:46,800 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:01:46,800 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:01:46,800 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:01:46,800 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:01:46,800 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:01:46,800 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:01:46,800 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:01:46,801 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:01:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2020-12-09 16:01:46,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 16:01:46,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:46,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:46,822 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:46,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:46,826 INFO L82 PathProgramCache]: Analyzing trace with hash -2115083573, now seen corresponding path program 1 times [2020-12-09 16:01:46,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:01:46,832 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669779355] [2020-12-09 16:01:46,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:01:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:01:46,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:01:46,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669779355] [2020-12-09 16:01:46,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:01:46,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:01:46,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992655783] [2020-12-09 16:01:46,928 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:01:46,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 16:01:46,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:01:46,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:01:46,938 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 2 states. [2020-12-09 16:01:46,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:01:46,949 INFO L93 Difference]: Finished difference Result 35 states and 53 transitions. [2020-12-09 16:01:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:01:46,950 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 16:01:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:01:46,956 INFO L225 Difference]: With dead ends: 35 [2020-12-09 16:01:46,956 INFO L226 Difference]: Without dead ends: 16 [2020-12-09 16:01:46,958 INFO L677 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 [2020-12-09 16:01:46,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-09 16:01:46,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-09 16:01:46,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-09 16:01:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 20 transitions. [2020-12-09 16:01:46,980 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 20 transitions. Word has length 8 [2020-12-09 16:01:46,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:01:46,980 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 20 transitions. [2020-12-09 16:01:46,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:01:46,980 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2020-12-09 16:01:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 16:01:46,981 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:46,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:46,981 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 16:01:46,981 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:46,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:46,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1956492004, now seen corresponding path program 1 times [2020-12-09 16:01:46,982 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 16:01:46,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361146811] [2020-12-09 16:01:46,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 16:01:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:01:47,011 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:01:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 16:01:47,031 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 16:01:47,046 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 16:01:47,046 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 16:01:47,047 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 16:01:47,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:01:47 BoogieIcfgContainer [2020-12-09 16:01:47,065 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:01:47,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:01:47,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:01:47,066 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:01:47,066 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:46" (3/4) ... [2020-12-09 16:01:47,068 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 16:01:47,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:01:47,070 INFO L168 Benchmark]: Toolchain (without parser) took 959.88 ms. Allocated memory is still 96.5 MB. Free memory was 56.1 MB in the beginning and 55.6 MB in the end (delta: 460.1 kB). Peak memory consumption was 1.2 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:47,070 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 96.5 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:01:47,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.98 ms. Allocated memory is still 96.5 MB. Free memory was 56.0 MB in the beginning and 69.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:47,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.05 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 67.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:47,072 INFO L168 Benchmark]: Boogie Preprocessor took 20.48 ms. Allocated memory is still 96.5 MB. Free memory was 67.6 MB in the beginning and 66.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:47,072 INFO L168 Benchmark]: RCFGBuilder took 408.40 ms. Allocated memory is still 96.5 MB. Free memory was 66.2 MB in the beginning and 41.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:47,073 INFO L168 Benchmark]: TraceAbstraction took 313.93 ms. Allocated memory is still 96.5 MB. Free memory was 41.5 MB in the beginning and 56.1 MB in the end (delta: -14.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:01:47,073 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 96.5 MB. Free memory was 56.1 MB in the beginning and 55.6 MB in the end (delta: 503.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:01:47,076 INFO L339 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 96.5 MB. Free memory is still 72.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 182.98 ms. Allocated memory is still 96.5 MB. Free memory was 56.0 MB in the beginning and 69.4 MB in the end (delta: -13.4 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 26.05 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 67.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.48 ms. Allocated memory is still 96.5 MB. Free memory was 67.6 MB in the beginning and 66.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 408.40 ms. Allocated memory is still 96.5 MB. Free memory was 66.2 MB in the beginning and 41.9 MB in the end (delta: 24.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 313.93 ms. Allocated memory is still 96.5 MB. Free memory was 41.5 MB in the beginning and 56.1 MB in the end (delta: -14.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.76 ms. Allocated memory is still 96.5 MB. Free memory was 56.1 MB in the beginning and 55.6 MB in the end (delta: 503.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 98]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 97, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticDOUBLEoperation at line 55. Possible FailurePath: [L19] static const double huge_ceil = 1.0e300; [L93] double x = 0.0; [L22] __int32_t i0, i1, j0; [L23] __uint32_t i, j; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L25] ieee_double_shape_type ew_u; [L26] ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] (i0) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] (i1) = ew_u.parts.lsw [L30] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L31] COND FALSE !(j0 < 20) VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L53] COND TRUE j0 > 51 [L54] COND TRUE j0 == 0x400 [L55] return x + x; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L94] double res = ceil_double(x); [L97] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L98] reach_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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=18occurred 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, ACCELERATED_INTERPOLATION: 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 0.2.0-7b2dab5 [2020-12-09 16:01:48,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 16:01:48,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 16:01:48,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 16:01:48,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 16:01:48,833 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 16:01:48,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 16:01:48,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 16:01:48,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 16:01:48,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 16:01:48,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 16:01:48,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 16:01:48,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 16:01:48,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 16:01:48,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 16:01:48,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 16:01:48,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 16:01:48,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 16:01:48,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 16:01:48,856 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 16:01:48,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 16:01:48,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 16:01:48,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 16:01:48,860 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 16:01:48,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 16:01:48,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 16:01:48,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 16:01:48,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 16:01:48,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 16:01:48,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 16:01:48,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 16:01:48,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 16:01:48,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 16:01:48,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 16:01:48,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 16:01:48,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 16:01:48,869 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 16:01:48,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 16:01:48,870 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 16:01:48,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 16:01:48,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 16:01:48,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 16:01:48,891 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 16:01:48,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 16:01:48,892 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 16:01:48,892 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 16:01:48,893 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 16:01:48,893 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 16:01:48,893 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 16:01:48,893 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 16:01:48,893 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 16:01:48,894 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 16:01:48,894 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 16:01:48,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 16:01:48,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 16:01:48,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 16:01:48,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 16:01:48,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 16:01:48,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 16:01:48,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 16:01:48,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 16:01:48,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 16:01:48,896 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 16:01:48,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 16:01:48,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 16:01:48,896 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 16:01:48,897 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 16:01:48,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 16:01:48,897 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 16:01:48,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 16:01:48,897 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 716c28290dbb6f2a00a15a2121f6ea544c27813b [2020-12-09 16:01:49,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 16:01:49,136 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 16:01:49,139 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 16:01:49,140 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 16:01:49,140 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 16:01:49,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-09 16:01:49,184 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/96e8df461/a7e848b4da6f4f0d8400847d82662ff2/FLAG959942316 [2020-12-09 16:01:49,619 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 16:01:49,619 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c [2020-12-09 16:01:49,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/96e8df461/a7e848b4da6f4f0d8400847d82662ff2/FLAG959942316 [2020-12-09 16:01:49,636 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/data/96e8df461/a7e848b4da6f4f0d8400847d82662ff2 [2020-12-09 16:01:49,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 16:01:49,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 16:01:49,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 16:01:49,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 16:01:49,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 16:01:49,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,645 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ef1fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49, skipping insertion in model container [2020-12-09 16:01:49,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 16:01:49,666 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 16:01:49,785 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-09 16:01:49,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:01:49,802 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 16:01:49,834 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/sv-benchmarks/c/float-newlib/double_req_bl_1092b.c[2109,2122] [2020-12-09 16:01:49,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 16:01:49,850 INFO L208 MainTranslator]: Completed translation [2020-12-09 16:01:49,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49 WrapperNode [2020-12-09 16:01:49,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 16:01:49,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 16:01:49,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 16:01:49,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 16:01:49,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 16:01:49,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 16:01:49,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 16:01:49,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 16:01:49,888 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,905 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... [2020-12-09 16:01:49,907 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 16:01:49,908 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 16:01:49,908 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 16:01:49,908 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 16:01:49,909 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/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 [2020-12-09 16:01:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-09 16:01:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-09 16:01:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 16:01:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 16:01:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 16:01:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 16:01:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 16:01:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 16:01:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 16:01:51,225 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 16:01:51,225 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2020-12-09 16:01:51,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:51 BoogieIcfgContainer [2020-12-09 16:01:51,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 16:01:51,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 16:01:51,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 16:01:51,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 16:01:51,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 04:01:49" (1/3) ... [2020-12-09 16:01:51,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1381ad96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:01:51, skipping insertion in model container [2020-12-09 16:01:51,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:01:49" (2/3) ... [2020-12-09 16:01:51,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1381ad96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 04:01:51, skipping insertion in model container [2020-12-09 16:01:51,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:51" (3/3) ... [2020-12-09 16:01:51,231 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092b.c [2020-12-09 16:01:51,240 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 16:01:51,242 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 16:01:51,249 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 16:01:51,265 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 16:01:51,265 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 16:01:51,265 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 16:01:51,265 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 16:01:51,265 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 16:01:51,265 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 16:01:51,265 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 16:01:51,265 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 16:01:51,273 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-12-09 16:01:51,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 16:01:51,277 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:51,277 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:51,277 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:51,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:51,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1046119076, now seen corresponding path program 1 times [2020-12-09 16:01:51,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:01:51,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [145652704] [2020-12-09 16:01:51,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/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 [2020-12-09 16:01:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:01:51,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 16:01:51,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:01:51,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:01:51,368 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:01:51,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [145652704] [2020-12-09 16:01:51,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:01:51,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 16:01:51,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312532977] [2020-12-09 16:01:51,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 16:01:51,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:01:51,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 16:01:51,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:01:51,383 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-12-09 16:01:51,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:01:51,395 INFO L93 Difference]: Finished difference Result 64 states and 102 transitions. [2020-12-09 16:01:51,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 16:01:51,396 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 16:01:51,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:01:51,402 INFO L225 Difference]: With dead ends: 64 [2020-12-09 16:01:51,402 INFO L226 Difference]: Without dead ends: 30 [2020-12-09 16:01:51,404 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 16:01:51,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-12-09 16:01:51,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-12-09 16:01:51,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-12-09 16:01:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 44 transitions. [2020-12-09 16:01:51,426 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 44 transitions. Word has length 10 [2020-12-09 16:01:51,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:01:51,426 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 44 transitions. [2020-12-09 16:01:51,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 16:01:51,427 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2020-12-09 16:01:51,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 16:01:51,427 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:51,427 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:51,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 16:01:51,628 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:51,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:51,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1289188121, now seen corresponding path program 1 times [2020-12-09 16:01:51,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:01:51,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [682474158] [2020-12-09 16:01:51,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/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 [2020-12-09 16:01:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:01:51,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:01:51,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:01:51,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:01:51,788 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:01:51,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [682474158] [2020-12-09 16:01:51,789 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:01:51,789 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 16:01:51,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742067888] [2020-12-09 16:01:51,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 16:01:51,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:01:51,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 16:01:51,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:01:51,791 INFO L87 Difference]: Start difference. First operand 30 states and 44 transitions. Second operand 5 states. [2020-12-09 16:01:52,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:01:52,172 INFO L93 Difference]: Finished difference Result 44 states and 56 transitions. [2020-12-09 16:01:52,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-09 16:01:52,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-09 16:01:52,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:01:52,174 INFO L225 Difference]: With dead ends: 44 [2020-12-09 16:01:52,174 INFO L226 Difference]: Without dead ends: 24 [2020-12-09 16:01:52,174 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 16:01:52,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-12-09 16:01:52,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 17. [2020-12-09 16:01:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-09 16:01:52,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-12-09 16:01:52,177 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 11 [2020-12-09 16:01:52,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:01:52,177 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-12-09 16:01:52,177 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 16:01:52,177 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-12-09 16:01:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 16:01:52,178 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:52,178 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:52,379 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 16:01:52,380 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:52,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:52,382 INFO L82 PathProgramCache]: Analyzing trace with hash -713684991, now seen corresponding path program 1 times [2020-12-09 16:01:52,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:01:52,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178192111] [2020-12-09 16:01:52,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/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 [2020-12-09 16:01:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:01:52,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-09 16:01:52,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:01:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:01:52,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:01:52,556 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178192111] [2020-12-09 16:01:52,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:01:52,556 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 16:01:52,556 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135860821] [2020-12-09 16:01:52,556 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:01:52,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:01:52,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:01:52,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:01:52,557 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 4 states. [2020-12-09 16:01:52,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:01:52,635 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2020-12-09 16:01:52,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:01:52,636 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2020-12-09 16:01:52,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:01:52,637 INFO L225 Difference]: With dead ends: 24 [2020-12-09 16:01:52,637 INFO L226 Difference]: Without dead ends: 17 [2020-12-09 16:01:52,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:01:52,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-09 16:01:52,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-09 16:01:52,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-09 16:01:52,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-12-09 16:01:52,639 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2020-12-09 16:01:52,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:01:52,639 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-12-09 16:01:52,639 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:01:52,639 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-12-09 16:01:52,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 16:01:52,640 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:52,640 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:52,840 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 16:01:52,842 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:52,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:52,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1786240041, now seen corresponding path program 1 times [2020-12-09 16:01:52,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:01:52,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339277997] [2020-12-09 16:01:52,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 16:01:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:01:52,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 16:01:52,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:01:53,022 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 13 [2020-12-09 16:01:53,029 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-09 16:01:53,031 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:53,032 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-09 16:01:53,039 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:53,041 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 16:01:53,041 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:18 [2020-12-09 16:01:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:01:53,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:01:53,089 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339277997] [2020-12-09 16:01:53,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:01:53,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-09 16:01:53,089 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365196928] [2020-12-09 16:01:53,089 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-09 16:01:53,089 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:01:53,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-09 16:01:53,090 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-09 16:01:53,090 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 4 states. [2020-12-09 16:01:53,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:01:53,277 INFO L93 Difference]: Finished difference Result 24 states and 23 transitions. [2020-12-09 16:01:53,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-09 16:01:53,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2020-12-09 16:01:53,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:01:53,278 INFO L225 Difference]: With dead ends: 24 [2020-12-09 16:01:53,278 INFO L226 Difference]: Without dead ends: 17 [2020-12-09 16:01:53,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-09 16:01:53,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-12-09 16:01:53,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-12-09 16:01:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-12-09 16:01:53,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-12-09 16:01:53,281 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-12-09 16:01:53,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:01:53,281 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-12-09 16:01:53,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-09 16:01:53,281 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-12-09 16:01:53,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 16:01:53,282 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 16:01:53,282 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 16:01:53,483 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 16:01:53,484 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 16:01:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 16:01:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash -11232679, now seen corresponding path program 1 times [2020-12-09 16:01:53,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 16:01:53,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907440920] [2020-12-09 16:01:53,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 16:01:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 16:01:53,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 16:01:53,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 16:01:53,747 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 16:01:53,753 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2020-12-09 16:01:53,754 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 16:01:53,768 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:53,773 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 16:01:53,774 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:36 [2020-12-09 16:01:53,893 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:53,894 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-09 16:01:53,895 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:01:53,897 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:01:53,904 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_2], 2=[v_arrayElimCell_3]} [2020-12-09 16:01:53,974 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:53,974 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-09 16:01:53,976 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:01:53,977 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:01:53,982 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_4], 2=[v_arrayElimCell_5]} [2020-12-09 16:01:54,014 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:54,015 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-09 16:01:54,017 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:01:54,018 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:01:54,022 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_6], 2=[v_arrayElimCell_7]} [2020-12-09 16:01:54,097 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 16:01:54,097 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 73 [2020-12-09 16:01:54,099 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 16:01:54,100 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-09 16:01:54,106 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_8], 2=[v_arrayElimCell_9]} [2020-12-09 16:01:54,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 16:01:54,174 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 16:01:54,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907440920] [2020-12-09 16:01:54,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 16:01:54,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 16:01:54,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269422187] [2020-12-09 16:01:54,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 16:01:54,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 16:01:54,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 16:01:54,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=40, Unknown=1, NotChecked=0, Total=56 [2020-12-09 16:01:54,177 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 8 states. [2020-12-09 16:01:54,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 16:01:54,556 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-12-09 16:01:54,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 16:01:54,556 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-12-09 16:01:54,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 16:01:54,556 INFO L225 Difference]: With dead ends: 17 [2020-12-09 16:01:54,556 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 16:01:54,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=70, Unknown=1, NotChecked=0, Total=110 [2020-12-09 16:01:54,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 16:01:54,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 16:01:54,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 16:01:54,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 16:01:54,557 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-12-09 16:01:54,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 16:01:54,558 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 16:01:54,558 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 16:01:54,558 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 16:01:54,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 16:01:54,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 16:01:54,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 16:01:54,987 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L60(lines 60 61) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L53(lines 53 75) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L37(lines 37 40) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L62(lines 62 74) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L54(lines 54 57) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L46(lines 46 51) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-09 16:01:54,989 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L97(lines 97 100) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L64(lines 64 71) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L31(lines 31 75) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L98(line 98) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L32(lines 32 52) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 98) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= currentRoundingMode roundNearestTiesToEven) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-09 16:01:54,990 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 29) no Hoare annotation was computed. [2020-12-09 16:01:54,990 INFO L258 CegarLoopResult]: At program point L82(lines 21 83) the Hoare annotation is: (and (= ~huge_ceil~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (exists ((|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64))) (let ((.cse1 (select |#memory_int| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7|))) (let ((.cse0 (select .cse1 (_ bv4 32)))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= ULTIMATE.start_ceil_double_~i0~0 .cse0) (= ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|) .cse0) (= ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|) (select .cse1 (_ bv0 32))))))) (= currentRoundingMode roundNearestTiesToEven) (= (bvor ULTIMATE.start_ceil_double_~i0~0 ULTIMATE.start_ceil_double_~i1~0) (_ bv0 32)) (exists ((|v_skolemized_q#valueAsBitvector_3| (_ BitVec 64))) (and (= ULTIMATE.start_ceil_double_~j0~0 (bvadd (bvand (_ bv2047 32) (bvashr ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_3|) (_ bv20 32))) (_ bv4294966273 32))) (= (_ +zero 11 53) (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_3|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_3|))))) (= (_ +zero 11 53) ULTIMATE.start_ceil_double_~x) (exists ((|v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7| (_ BitVec 32)) (ULTIMATE.start_ceil_double_~i1~0 (_ BitVec 32)) (|v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5| (_ BitVec 32)) (|v_skolemized_q#valueAsBitvector_5| (_ BitVec 64)) (|v_#memory_int_10| (Array (_ BitVec 32) (Array (_ BitVec 32) (_ BitVec 32))))) (let ((.cse4 (select |v_#memory_int_10| |v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7|))) (let ((.cse2 (select .cse4 (_ bv4 32)))) (and (= ULTIMATE.start_main_~x~0 (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_5|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_5|))) (= (bvor .cse2 ULTIMATE.start_ceil_double_~i1~0) (_ bv0 32)) (= |ULTIMATE.start_ceil_double_#res| (let ((.cse3 (concat (select (store (store (select |v_#memory_int_10| |v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5|) (_ bv4 32) .cse2) (_ bv0 32) ULTIMATE.start_ceil_double_~i1~0) (_ bv4 32)) ULTIMATE.start_ceil_double_~i1~0))) (fp ((_ extract 63 63) .cse3) ((_ extract 62 52) .cse3) ((_ extract 51 0) .cse3)))) (= .cse2 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_5|)) (= (select .cse4 (_ bv0 32)) ((_ extract 31 0) |v_skolemized_q#valueAsBitvector_5|)))))) (= ULTIMATE.start_main_~x~0 (_ +zero 11 53))) [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L33(lines 33 41) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L34(lines 34 40) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L76(lines 76 81) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L76-1(lines 21 83) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L76-2(lines 76 81) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L265 CegarLoopResult]: At program point L101(lines 85 102) the Hoare annotation is: true [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L68(lines 68 69) no Hoare annotation was computed. [2020-12-09 16:01:54,991 INFO L262 CegarLoopResult]: For program point L68-2(lines 68 69) no Hoare annotation was computed. [2020-12-09 16:01:54,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,000 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,003 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,004 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,005 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,007 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,011 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,012 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,013 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,014 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,014 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,014 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,014 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 04:01:55 BoogieIcfgContainer [2020-12-09 16:01:55,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 16:01:55,016 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 16:01:55,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 16:01:55,017 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 16:01:55,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:01:51" (3/4) ... [2020-12-09 16:01:55,019 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 16:01:55,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 16:01:55,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 16:01:55,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:01:55,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 16:01:55,043 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && i0 == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvor32(i0, i1) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: j0 == ~bvadd64(~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)), 4294966273bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, ULTIMATE.start_ceil_double_~i1~0 : bv32, v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64, v_#memory_int_10 : [bv32,bv32]bv32 :: (((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && ~bvor32(v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32], ULTIMATE.start_ceil_double_~i1~0) == 0bv32) && \result == ~fp~LONGDOUBLE((v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[63:63], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[62:52], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[51:0])) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32] == v_skolemized_q#valueAsBitvector_5[63:32]) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32] == v_skolemized_q#valueAsBitvector_5[31:0])) && x == ~Pluszero~LONGDOUBLE() [2020-12-09 16:01:55,061 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_583edfbd-04bf-4889-a1f8-bb5bc214c660/bin/utaipan/witness.graphml [2020-12-09 16:01:55,061 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 16:01:55,062 INFO L168 Benchmark]: Toolchain (without parser) took 5421.69 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 32.0 MB in the beginning and 45.9 MB in the end (delta: -13.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:01:55,062 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:01:55,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.84 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.9 MB in the beginning and 51.6 MB in the end (delta: -19.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:55,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 69.2 MB. Free memory was 51.4 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:55,063 INFO L168 Benchmark]: Boogie Preprocessor took 25.88 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 48.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 16:01:55,063 INFO L168 Benchmark]: RCFGBuilder took 1318.04 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 43.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:55,064 INFO L168 Benchmark]: TraceAbstraction took 3789.05 ms. Allocated memory is still 69.2 MB. Free memory was 43.4 MB in the beginning and 49.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:55,064 INFO L168 Benchmark]: Witness Printer took 44.54 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 45.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 16:01:55,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 54.5 MB. Free memory was 36.7 MB in the beginning and 36.6 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 209.84 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 31.9 MB in the beginning and 51.6 MB in the end (delta: -19.7 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.63 ms. Allocated memory is still 69.2 MB. Free memory was 51.4 MB in the beginning and 49.8 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.88 ms. Allocated memory is still 69.2 MB. Free memory was 49.8 MB in the beginning and 48.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1318.04 ms. Allocated memory is still 69.2 MB. Free memory was 48.1 MB in the beginning and 43.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 14.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3789.05 ms. Allocated memory is still 69.2 MB. Free memory was 43.4 MB in the beginning and 49.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * Witness Printer took 44.54 ms. Allocated memory is still 69.2 MB. Free memory was 49.0 MB in the beginning and 45.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 98]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant [2020-12-09 16:01:55,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~Pluszero~LONGDOUBLE() == x) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 21]: Loop Invariant [2020-12-09 16:01:55,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,074 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,075 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,076 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,077 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,079 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,080 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_3,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,081 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,082 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_double_~i1~0,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_#memory_int_10,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7,QUANTIFIED] [2020-12-09 16:01:55,083 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_5,QUANTIFIED] Derived loop invariant: ((((((huge_ceil == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64 :: ((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && i0 == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[63:32] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]) && v_skolemized_q#valueAsBitvector_5[31:0] == unknown-#memory_int-unknown[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~bvor32(i0, i1) == 0bv32) && (\exists v_skolemized_q#valueAsBitvector_3 : bv64 :: j0 == ~bvadd64(~bvand32(2047bv32, ~bvashr32(v_skolemized_q#valueAsBitvector_3[63:32], 20bv32)), 4294966273bv32) && ~Pluszero~LONGDOUBLE() == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_3[63:63], v_skolemized_q#valueAsBitvector_3[62:52], v_skolemized_q#valueAsBitvector_3[51:0]))) && ~Pluszero~LONGDOUBLE() == x) && (\exists v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7 : bv32, ULTIMATE.start_ceil_double_~i1~0 : bv32, v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5 : bv32, v_skolemized_q#valueAsBitvector_5 : bv64, v_#memory_int_10 : [bv32,bv32]bv32 :: (((x == ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) && ~bvor32(v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32], ULTIMATE.start_ceil_double_~i1~0) == 0bv32) && \result == ~fp~LONGDOUBLE((v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[63:63], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[62:52], (v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#iw_u~0.base_5][4bv32 := v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32]][0bv32 := ULTIMATE.start_ceil_double_~i1~0][4bv32] ++ ULTIMATE.start_ceil_double_~i1~0)[51:0])) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][4bv32] == v_skolemized_q#valueAsBitvector_5[63:32]) && v_#memory_int_10[v_ULTIMATE.start_ceil_double_~#ew_u~0.base_7][0bv32] == v_skolemized_q#valueAsBitvector_5[31:0])) && x == ~Pluszero~LONGDOUBLE() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 86 SDtfs, 90 SDslu, 39 SDs, 0 SdLazy, 58 SolverSat, 11 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 48 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 6 NumberOfFragments, 184 HoareAnnotationTreeSize, 3 FomulaSimplifications, 38 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 23 QuantifiedInterpolants, 14747 SizeOfPredicates, 24 NumberOfNonLiveVariables, 243 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...