./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 755a3cc6a0c274616c745647082171c18148354d ......................................................................................................................................................................................................................................................................................................... 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_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c -s /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 755a3cc6a0c274616c745647082171c18148354d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:39:21,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:21,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:21,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:21,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:21,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:21,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:21,197 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:21,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:21,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:21,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:21,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:21,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:21,225 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:21,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:21,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:21,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:21,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:21,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:21,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:21,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:21,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:21,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:21,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:21,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:21,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:21,278 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:21,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:21,281 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:21,282 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:21,283 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:21,284 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:21,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:21,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:21,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:21,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:21,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:21,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:21,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:21,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:21,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:21,299 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:39:21,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:21,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:21,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:21,353 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:21,354 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:21,354 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:21,354 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:39:21,355 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:21,355 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:21,355 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:39:21,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:39:21,357 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:21,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:39:21,358 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:39:21,358 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:39:21,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:21,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:21,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:39:21,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:21,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:21,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:21,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:21,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:21,362 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:21,362 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:21,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:21,363 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:21,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:21,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:21,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:21,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:21,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:21,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:21,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:21,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:21,368 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:39:21,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:39:21,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:21,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:21,369 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:21,369 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_06791bc4-f589-4f8a-a8ed-88b83185fa01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-11-28 07:39:21,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:21,755 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:21,758 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:21,761 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:21,762 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:21,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-28 07:39:21,838 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/dcb3fffdc/56bbdfe21a6342a7a79fa337dda9b6f4/FLAG0065eee7f [2020-11-28 07:39:22,402 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:22,403 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-28 07:39:22,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/dcb3fffdc/56bbdfe21a6342a7a79fa337dda9b6f4/FLAG0065eee7f [2020-11-28 07:39:22,803 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/dcb3fffdc/56bbdfe21a6342a7a79fa337dda9b6f4 [2020-11-28 07:39:22,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:22,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:22,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:22,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:22,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:22,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:22" (1/1) ... [2020-11-28 07:39:22,822 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18bde72c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:22, skipping insertion in model container [2020-11-28 07:39:22,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:22" (1/1) ... [2020-11-28 07:39:22,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:22,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:23,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:23,122 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:23,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:23,184 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:23,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23 WrapperNode [2020-11-28 07:39:23,185 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:23,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:23,187 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:23,187 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:23,195 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,244 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:23,245 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:23,245 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:23,245 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:23,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... [2020-11-28 07:39:23,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:23,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:23,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:23,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:23,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 [2020-11-28 07:39:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:39:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:23,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 07:39:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:39:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 07:39:23,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:23,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:23,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:39:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:39:25,043 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:25,043 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 07:39:25,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:25 BoogieIcfgContainer [2020-11-28 07:39:25,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:39:25,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:39:25,047 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:39:25,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:39:25,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:22" (1/3) ... [2020-11-28 07:39:25,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6e45f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:25, skipping insertion in model container [2020-11-28 07:39:25,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:23" (2/3) ... [2020-11-28 07:39:25,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e6e45f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:25, skipping insertion in model container [2020-11-28 07:39:25,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:25" (3/3) ... [2020-11-28 07:39:25,054 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-11-28 07:39:25,066 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:39:25,070 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:39:25,083 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:39:25,109 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:39:25,109 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:39:25,109 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:39:25,109 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:39:25,109 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:39:25,109 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:39:25,110 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:39:25,110 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:39:25,123 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-28 07:39:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 07:39:25,128 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:25,129 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 07:39:25,129 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:25,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:25,134 INFO L82 PathProgramCache]: Analyzing trace with hash -2021146654, now seen corresponding path program 1 times [2020-11-28 07:39:25,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:39:25,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400516222] [2020-11-28 07:39:25,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:39:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:25,289 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400516222] [2020-11-28 07:39:25,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:25,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:39:25,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358303564] [2020-11-28 07:39:25,296 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:39:25,296 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:39:25,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:39:25,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:25,315 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-11-28 07:39:25,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:25,333 INFO L93 Difference]: Finished difference Result 45 states and 71 transitions. [2020-11-28 07:39:25,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:39:25,335 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-11-28 07:39:25,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:25,345 INFO L225 Difference]: With dead ends: 45 [2020-11-28 07:39:25,345 INFO L226 Difference]: Without dead ends: 21 [2020-11-28 07:39:25,348 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 [2020-11-28 07:39:25,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-28 07:39:25,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-28 07:39:25,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-28 07:39:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 29 transitions. [2020-11-28 07:39:25,399 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 29 transitions. Word has length 6 [2020-11-28 07:39:25,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:25,400 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 29 transitions. [2020-11-28 07:39:25,400 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:39:25,400 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2020-11-28 07:39:25,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:39:25,401 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:25,401 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:25,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:39:25,402 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:25,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:25,403 INFO L82 PathProgramCache]: Analyzing trace with hash 1556596739, now seen corresponding path program 1 times [2020-11-28 07:39:25,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:39:25,404 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640861936] [2020-11-28 07:39:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:39:25,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:39:25,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:39:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:39:25,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:39:25,504 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:39:25,504 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:39:25,506 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:39:25,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:39:25 BoogieIcfgContainer [2020-11-28 07:39:25,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:39:25,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:39:25,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:39:25,533 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:39:25,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:25" (3/4) ... [2020-11-28 07:39:25,537 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:39:25,537 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:39:25,539 INFO L168 Benchmark]: Toolchain (without parser) took 2727.97 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 58.8 MB in the beginning and 86.1 MB in the end (delta: -27.3 MB). Peak memory consumption was 2.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:25,540 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:25,541 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.24 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 58.5 MB in the beginning and 92.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:25,542 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.88 ms. Allocated memory is still 117.4 MB. Free memory was 92.5 MB in the beginning and 90.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:25,543 INFO L168 Benchmark]: Boogie Preprocessor took 72.32 ms. Allocated memory is still 117.4 MB. Free memory was 90.5 MB in the beginning and 88.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:25,543 INFO L168 Benchmark]: RCFGBuilder took 1727.20 ms. Allocated memory is still 117.4 MB. Free memory was 88.4 MB in the beginning and 63.6 MB in the end (delta: 24.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:25,544 INFO L168 Benchmark]: TraceAbstraction took 485.49 ms. Allocated memory is still 117.4 MB. Free memory was 63.6 MB in the beginning and 86.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:25,545 INFO L168 Benchmark]: Witness Printer took 4.29 ms. Allocated memory is still 117.4 MB. Free memory is still 86.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:25,549 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 44.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.24 ms. Allocated memory was 86.0 MB in the beginning and 117.4 MB in the end (delta: 31.5 MB). Free memory was 58.5 MB in the beginning and 92.5 MB in the end (delta: -34.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.88 ms. Allocated memory is still 117.4 MB. Free memory was 92.5 MB in the beginning and 90.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.32 ms. Allocated memory is still 117.4 MB. Free memory was 90.5 MB in the beginning and 88.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1727.20 ms. Allocated memory is still 117.4 MB. Free memory was 88.4 MB in the beginning and 63.6 MB in the end (delta: 24.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 485.49 ms. Allocated memory is still 117.4 MB. Free memory was 63.6 MB in the beginning and 86.1 MB in the end (delta: -22.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.29 ms. Allocated memory is still 117.4 MB. Free memory is still 86.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of bitwiseAnd at line 34. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L141] double x = -1.0 / 0.0; [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L28] ieee_double_shape_type ew_u; [L29] ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] (ix1) = ew_u.parts.lsw [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L142] double res = __ieee754_sqrt(x); [L132] return x != x; [L145] COND TRUE !isnan_double(res) [L3] __assert_fail("0", "double_req_bl_0740.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 31 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=23occurred 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, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 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-a4ecdab [2020-11-28 07:39:28,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:39:28,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:39:28,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:39:28,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:39:28,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:39:28,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:39:28,375 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:39:28,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:39:28,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:39:28,381 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:39:28,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:39:28,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:39:28,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:39:28,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:39:28,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:39:28,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:39:28,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:39:28,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:39:28,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:39:28,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:39:28,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:39:28,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:39:28,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:39:28,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:39:28,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:39:28,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:39:28,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:39:28,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:39:28,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:39:28,457 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:39:28,458 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:39:28,458 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:39:28,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:39:28,460 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:39:28,461 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:39:28,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:39:28,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:39:28,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:39:28,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:39:28,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:39:28,464 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:39:28,491 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:39:28,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:39:28,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:39:28,493 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:39:28,493 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:39:28,493 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:39:28,493 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:39:28,494 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:39:28,494 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:39:28,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:39:28,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:39:28,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:39:28,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:39:28,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:39:28,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:39:28,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:39:28,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:39:28,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:39:28,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:39:28,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:39:28,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:39:28,497 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:39:28,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:39:28,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:39:28,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:39:28,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:39:28,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:39:28,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:39:28,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:39:28,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:39:28,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:39:28,499 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:39:28,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:39:28,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:39:28,500 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:39:28,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:39:28,500 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_06791bc4-f589-4f8a-a8ed-88b83185fa01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 755a3cc6a0c274616c745647082171c18148354d [2020-11-28 07:39:28,925 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:39:28,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:39:28,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:39:28,963 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:39:28,968 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:39:28,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-28 07:39:29,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/0346c934f/4bd78f3289524f688efe7650215248af/FLAGcf1c93f1c [2020-11-28 07:39:29,694 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:39:29,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/sv-benchmarks/c/float-newlib/double_req_bl_0740.c [2020-11-28 07:39:29,710 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/0346c934f/4bd78f3289524f688efe7650215248af/FLAGcf1c93f1c [2020-11-28 07:39:30,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/data/0346c934f/4bd78f3289524f688efe7650215248af [2020-11-28 07:39:30,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:39:30,062 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:39:30,067 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:30,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:39:30,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:39:30,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87ce94c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30, skipping insertion in model container [2020-11-28 07:39:30,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:39:30,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:39:30,412 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:30,426 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:39:30,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:39:30,525 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:39:30,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30 WrapperNode [2020-11-28 07:39:30,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:39:30,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:30,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:39:30,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:39:30,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,581 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:39:30,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:39:30,627 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:39:30,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:39:30,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... [2020-11-28 07:39:30,699 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:39:30,700 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:39:30,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:39:30,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:39:30,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 [2020-11-28 07:39:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-28 07:39:30,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-28 07:39:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:39:30,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:39:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 07:39:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:39:30,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:39:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 07:39:30,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:39:34,701 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:39:34,701 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-28 07:39:34,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:34 BoogieIcfgContainer [2020-11-28 07:39:34,703 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:39:34,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:39:34,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:39:34,709 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:39:34,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:39:30" (1/3) ... [2020-11-28 07:39:34,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5ade0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:34, skipping insertion in model container [2020-11-28 07:39:34,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:39:30" (2/3) ... [2020-11-28 07:39:34,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5ade0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:39:34, skipping insertion in model container [2020-11-28 07:39:34,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:34" (3/3) ... [2020-11-28 07:39:34,712 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740.c [2020-11-28 07:39:34,725 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:39:34,730 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:39:34,743 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:39:34,771 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:39:34,771 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:39:34,771 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:39:34,771 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:39:34,772 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:39:34,772 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:39:34,772 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:39:34,772 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:39:34,787 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2020-11-28 07:39:34,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:39:34,792 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:34,793 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:34,793 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:34,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:34,800 INFO L82 PathProgramCache]: Analyzing trace with hash 361067274, now seen corresponding path program 1 times [2020-11-28 07:39:34,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:34,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [231623292] [2020-11-28 07:39:34,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 [2020-11-28 07:39:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:35,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:39:35,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:35,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:35,453 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:35,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:35,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [231623292] [2020-11-28 07:39:35,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:35,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:39:35,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004596637] [2020-11-28 07:39:35,472 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:39:35,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:35,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:39:35,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:35,493 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2020-11-28 07:39:35,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:35,525 INFO L93 Difference]: Finished difference Result 97 states and 153 transitions. [2020-11-28 07:39:35,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:39:35,526 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-11-28 07:39:35,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:35,537 INFO L225 Difference]: With dead ends: 97 [2020-11-28 07:39:35,537 INFO L226 Difference]: Without dead ends: 46 [2020-11-28 07:39:35,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:39:35,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-28 07:39:35,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-28 07:39:35,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 07:39:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2020-11-28 07:39:35,585 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 8 [2020-11-28 07:39:35,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:35,586 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2020-11-28 07:39:35,586 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:39:35,586 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2020-11-28 07:39:35,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:39:35,588 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:35,588 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:35,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:39:35,811 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:35,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:35,812 INFO L82 PathProgramCache]: Analyzing trace with hash 331821581, now seen corresponding path program 1 times [2020-11-28 07:39:35,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:35,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603891916] [2020-11-28 07:39:35,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 [2020-11-28 07:39:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:36,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 07:39:36,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:36,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:51,391 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 13 [2020-11-28 07:39:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:51,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603891916] [2020-11-28 07:39:51,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:51,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-28 07:39:51,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514802905] [2020-11-28 07:39:51,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 07:39:51,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:51,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 07:39:51,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=67, Unknown=2, NotChecked=0, Total=90 [2020-11-28 07:39:51,415 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand 10 states. [2020-11-28 07:39:57,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:57,257 INFO L93 Difference]: Finished difference Result 51 states and 69 transitions. [2020-11-28 07:39:57,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 07:39:57,259 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 9 [2020-11-28 07:39:57,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:57,260 INFO L225 Difference]: With dead ends: 51 [2020-11-28 07:39:57,260 INFO L226 Difference]: Without dead ends: 46 [2020-11-28 07:39:57,261 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=48, Invalid=106, Unknown=2, NotChecked=0, Total=156 [2020-11-28 07:39:57,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-11-28 07:39:57,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2020-11-28 07:39:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-11-28 07:39:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2020-11-28 07:39:57,269 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 63 transitions. Word has length 9 [2020-11-28 07:39:57,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:57,270 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 63 transitions. [2020-11-28 07:39:57,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 07:39:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2020-11-28 07:39:57,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 07:39:57,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:39:57,271 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:39:57,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:39:57,486 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:39:57,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:39:57,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1929236654, now seen corresponding path program 1 times [2020-11-28 07:39:57,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:39:57,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1406354845] [2020-11-28 07:39:57,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/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 [2020-11-28 07:39:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:39:57,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2020-11-28 07:39:57,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:39:57,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:57,730 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:39:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:39:57,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1406354845] [2020-11-28 07:39:57,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:39:57,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-11-28 07:39:57,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696081667] [2020-11-28 07:39:57,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 07:39:57,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:39:57,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 07:39:57,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 07:39:57,866 INFO L87 Difference]: Start difference. First operand 46 states and 63 transitions. Second operand 6 states. [2020-11-28 07:39:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:39:57,967 INFO L93 Difference]: Finished difference Result 46 states and 63 transitions. [2020-11-28 07:39:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 07:39:57,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-11-28 07:39:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:39:57,968 INFO L225 Difference]: With dead ends: 46 [2020-11-28 07:39:57,968 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:39:57,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-11-28 07:39:57,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:39:57,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:39:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:39:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:39:57,970 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-11-28 07:39:57,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:39:57,970 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:39:57,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 07:39:57,971 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:39:57,971 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:39:58,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:39:58,192 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:39:58,389 INFO L274 CegarLoopResult]: For program point L60(lines 60 63) no Hoare annotation was computed. [2020-11-28 07:39:58,390 INFO L274 CegarLoopResult]: For program point L27-1(lines 27 32) no Hoare annotation was computed. [2020-11-28 07:39:58,390 INFO L274 CegarLoopResult]: For program point L60-2(lines 60 63) no Hoare annotation was computed. [2020-11-28 07:39:58,390 INFO L270 CegarLoopResult]: At program point L27-2(lines 27 32) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-28 07:39:58,390 INFO L274 CegarLoopResult]: For program point L27-3(lines 21 129) no Hoare annotation was computed. [2020-11-28 07:39:58,390 INFO L274 CegarLoopResult]: For program point L52-2(lines 52 53) no Hoare annotation was computed. [2020-11-28 07:39:58,390 INFO L270 CegarLoopResult]: At program point L52-3(lines 52 53) the Hoare annotation is: false [2020-11-28 07:39:58,391 INFO L274 CegarLoopResult]: For program point L52-4(lines 52 53) no Hoare annotation was computed. [2020-11-28 07:39:58,391 INFO L274 CegarLoopResult]: For program point L110(lines 110 111) no Hoare annotation was computed. [2020-11-28 07:39:58,391 INFO L274 CegarLoopResult]: For program point L110-2(lines 110 111) no Hoare annotation was computed. [2020-11-28 07:39:58,391 INFO L274 CegarLoopResult]: For program point L102(lines 102 116) no Hoare annotation was computed. [2020-11-28 07:39:58,391 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:39:58,391 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:39:58,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:39:58,392 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:39:58,392 INFO L274 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-11-28 07:39:58,392 INFO L274 CegarLoopResult]: For program point L119-2(lines 119 120) no Hoare annotation was computed. [2020-11-28 07:39:58,392 INFO L270 CegarLoopResult]: At program point L128(lines 21 129) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|)) [2020-11-28 07:39:58,392 INFO L274 CegarLoopResult]: For program point L87(lines 87 96) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L274 CegarLoopResult]: For program point L87-2(lines 87 96) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L274 CegarLoopResult]: For program point L145(lines 145 148) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L274 CegarLoopResult]: For program point L46(lines 46 57) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L274 CegarLoopResult]: For program point L46-2(lines 46 57) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L274 CegarLoopResult]: For program point L104(lines 104 115) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L274 CegarLoopResult]: For program point L38(lines 38 43) no Hoare annotation was computed. [2020-11-28 07:39:58,393 INFO L270 CegarLoopResult]: At program point L71-2(lines 71 81) the Hoare annotation is: false [2020-11-28 07:39:58,394 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 43) no Hoare annotation was computed. [2020-11-28 07:39:58,394 INFO L274 CegarLoopResult]: For program point L71-3(lines 71 81) no Hoare annotation was computed. [2020-11-28 07:39:58,394 INFO L270 CegarLoopResult]: At program point L47-2(lines 47 51) the Hoare annotation is: false [2020-11-28 07:39:58,394 INFO L274 CegarLoopResult]: For program point L47-3(lines 47 51) no Hoare annotation was computed. [2020-11-28 07:39:58,394 INFO L274 CegarLoopResult]: For program point L39(lines 39 42) no Hoare annotation was computed. [2020-11-28 07:39:58,394 INFO L274 CegarLoopResult]: For program point L89(lines 89 90) no Hoare annotation was computed. [2020-11-28 07:39:58,394 INFO L274 CegarLoopResult]: For program point L122-1(lines 122 127) no Hoare annotation was computed. [2020-11-28 07:39:58,394 INFO L270 CegarLoopResult]: At program point L122-2(lines 122 127) the Hoare annotation is: false [2020-11-28 07:39:58,395 INFO L274 CegarLoopResult]: For program point L89-2(lines 89 90) no Hoare annotation was computed. [2020-11-28 07:39:58,395 INFO L274 CegarLoopResult]: For program point L122-3(lines 122 127) no Hoare annotation was computed. [2020-11-28 07:39:58,395 INFO L274 CegarLoopResult]: For program point L106(lines 106 114) no Hoare annotation was computed. [2020-11-28 07:39:58,396 INFO L274 CegarLoopResult]: For program point L73(lines 73 77) no Hoare annotation was computed. [2020-11-28 07:39:58,396 INFO L274 CegarLoopResult]: For program point L73-2(lines 73 77) no Hoare annotation was computed. [2020-11-28 07:39:58,396 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:39:58,396 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:39:58,397 INFO L274 CegarLoopResult]: For program point L41(lines 41 42) no Hoare annotation was computed. [2020-11-28 07:39:58,397 INFO L270 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (and (= ULTIMATE.start___ieee754_sqrt_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode 1.0)) (_ +zero 11 53))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) |ULTIMATE.start___ieee754_sqrt_#res|) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|)) [2020-11-28 07:39:58,397 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:39:58,398 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-11-28 07:39:58,398 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-11-28 07:39:58,398 INFO L277 CegarLoopResult]: At program point L150(lines 134 151) the Hoare annotation is: true [2020-11-28 07:39:58,398 INFO L270 CegarLoopResult]: At program point L84-2(lines 84 100) the Hoare annotation is: false [2020-11-28 07:39:58,398 INFO L274 CegarLoopResult]: For program point L84-3(lines 21 129) no Hoare annotation was computed. [2020-11-28 07:39:58,399 INFO L274 CegarLoopResult]: For program point L109(lines 109 114) no Hoare annotation was computed. [2020-11-28 07:39:58,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,422 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,431 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,432 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,432 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,440 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,441 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,442 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,444 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,445 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,446 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,446 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,456 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,458 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:39:58 BoogieIcfgContainer [2020-11-28 07:39:58,460 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:39:58,461 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:39:58,461 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:39:58,461 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:39:58,462 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:39:34" (3/4) ... [2020-11-28 07:39:58,465 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:39:58,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 07:39:58,479 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-28 07:39:58,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:39:58,480 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:39:58,510 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result [2020-11-28 07:39:58,511 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && 1bv32 == \result [2020-11-28 07:39:58,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_06791bc4-f589-4f8a-a8ed-88b83185fa01/bin/utaipan/witness.graphml [2020-11-28 07:39:58,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:39:58,552 INFO L168 Benchmark]: Toolchain (without parser) took 28489.97 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 27.2 MB in the beginning and 26.3 MB in the end (delta: 915.5 kB). Peak memory consumption was 19.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,553 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:39:58,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 460.44 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.9 MB in the beginning and 50.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.49 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 47.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,554 INFO L168 Benchmark]: Boogie Preprocessor took 72.34 ms. Allocated memory is still 67.1 MB. Free memory was 47.9 MB in the beginning and 45.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,555 INFO L168 Benchmark]: RCFGBuilder took 4003.68 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 39.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,555 INFO L168 Benchmark]: TraceAbstraction took 23755.07 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 30.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,556 INFO L168 Benchmark]: Witness Printer took 89.48 ms. Allocated memory is still 67.1 MB. Free memory was 30.9 MB in the beginning and 26.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:39:58,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 50.3 MB. Free memory was 32.4 MB in the beginning and 32.3 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 460.44 ms. Allocated memory was 50.3 MB in the beginning and 67.1 MB in the end (delta: 16.8 MB). Free memory was 26.9 MB in the beginning and 50.0 MB in the end (delta: -23.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 96.49 ms. Allocated memory is still 67.1 MB. Free memory was 49.7 MB in the beginning and 47.9 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 72.34 ms. Allocated memory is still 67.1 MB. Free memory was 47.9 MB in the beginning and 45.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 4003.68 ms. Allocated memory is still 67.1 MB. Free memory was 45.8 MB in the beginning and 39.9 MB in the end (delta: 5.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23755.07 ms. Allocated memory is still 67.1 MB. Free memory was 39.6 MB in the beginning and 30.9 MB in the end (delta: 8.7 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Witness Printer took 89.48 ms. Allocated memory is still 67.1 MB. Free memory was 30.9 MB in the beginning and 26.3 MB in the end (delta: 4.7 MB). Peak memory consumption was 6.3 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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2020-11-28 07:39:58,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 27]: Loop Invariant [2020-11-28 07:39:58,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,582 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,583 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 132]: Loop Invariant [2020-11-28 07:39:58,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,585 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,586 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,587 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,588 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:39:58,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:39:58,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((x == ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)), ~Pluszero~LONGDOUBLE()) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~DOUBLE(~roundNearestTiesToEven, ~fp.mul~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && 1bv32 == \result - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 50 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 127 SDtfs, 71 SDslu, 281 SDs, 0 SdLazy, 57 SolverSat, 1 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 36 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 15.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 13 NumberOfFragments, 102 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 10 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 15.5s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 4 QuantifiedInterpolants, 2774 SizeOfPredicates, 16 NumberOfNonLiveVariables, 142 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...