./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96832dfae97efc9710fb813b6fbaafcdad425138 ........................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/fdim.i -s /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96832dfae97efc9710fb813b6fbaafcdad425138 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 21:19:31,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:31,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:31,437 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:31,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:31,437 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:31,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:31,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:31,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:31,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:31,442 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:31,443 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:31,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:31,444 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:31,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:31,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:31,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:31,446 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:31,448 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:31,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:31,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:31,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:31,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:31,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:31,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:31,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:31,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:31,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:31,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:31,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:31,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:31,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:31,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:31,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:31,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:31,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:31,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:31,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:31,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:31,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:31,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:31,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 21:19:31,469 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:31,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:31,470 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:31,470 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:31,470 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 21:19:31,471 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:31,471 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 21:19:31,472 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 21:19:31,472 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 21:19:31,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:31,472 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:31,472 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:31,473 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:31,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:31,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:31,474 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 21:19:31,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 21:19:31,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:31,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:31,475 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:31,475 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-12-07 21:19:31,575 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:31,584 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:31,587 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:31,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:31,588 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:31,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-12-07 21:19:31,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/eb2c12d3e/e8838c177e8045079ee68af6fb69bade/FLAG3d345b51a [2019-12-07 21:19:32,066 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:32,067 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-12-07 21:19:32,076 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/eb2c12d3e/e8838c177e8045079ee68af6fb69bade/FLAG3d345b51a [2019-12-07 21:19:32,407 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/eb2c12d3e/e8838c177e8045079ee68af6fb69bade [2019-12-07 21:19:32,410 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:32,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:32,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:32,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:32,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:32,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:32" (1/1) ... [2019-12-07 21:19:32,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b6f3f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:32, skipping insertion in model container [2019-12-07 21:19:32,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:32" (1/1) ... [2019-12-07 21:19:32,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:32,450 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:32,751 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleBinaryFloatFunction(StandardFunctionHandler.java:1660) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:697) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:174) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:676) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1392) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1336) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1407) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-12-07 21:19:32,754 INFO L168 Benchmark]: Toolchain (without parser) took 343.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:32,755 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:32,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:32,757 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fdim: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherBinaryFloatOperation(IntegerTranslation.java:853) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 21:19:33,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 21:19:33,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 21:19:33,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 21:19:33,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 21:19:33,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 21:19:33,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 21:19:33,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 21:19:33,945 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 21:19:33,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 21:19:33,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 21:19:33,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 21:19:33,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 21:19:33,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 21:19:33,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 21:19:33,949 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 21:19:33,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 21:19:33,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 21:19:33,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 21:19:33,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 21:19:33,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 21:19:33,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 21:19:33,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 21:19:33,957 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 21:19:33,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 21:19:33,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 21:19:33,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 21:19:33,960 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 21:19:33,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 21:19:33,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 21:19:33,961 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 21:19:33,962 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 21:19:33,962 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 21:19:33,963 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 21:19:33,963 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 21:19:33,963 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 21:19:33,964 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 21:19:33,964 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 21:19:33,964 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 21:19:33,965 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 21:19:33,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 21:19:33,966 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 21:19:33,976 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 21:19:33,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 21:19:33,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 21:19:33,977 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 21:19:33,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 21:19:33,977 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 21:19:33,977 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 21:19:33,977 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 21:19:33,977 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 21:19:33,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 21:19:33,978 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 21:19:33,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 21:19:33,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 21:19:33,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 21:19:33,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 21:19:33,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 21:19:33,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 21:19:33,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 21:19:33,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 21:19:33,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 21:19:33,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:33,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 21:19:33,981 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96832dfae97efc9710fb813b6fbaafcdad425138 [2019-12-07 21:19:34,144 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 21:19:34,152 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 21:19:34,154 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 21:19:34,155 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 21:19:34,155 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 21:19:34,155 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-12-07 21:19:34,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/f7c37af9e/9fa88ba686874697a70468a39fcb96d2/FLAGac1adff9f [2019-12-07 21:19:34,676 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 21:19:34,677 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/sv-benchmarks/c/floats-esbmc-regression/fdim.i [2019-12-07 21:19:34,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/f7c37af9e/9fa88ba686874697a70468a39fcb96d2/FLAGac1adff9f [2019-12-07 21:19:34,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/data/f7c37af9e/9fa88ba686874697a70468a39fcb96d2 [2019-12-07 21:19:34,697 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 21:19:34,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 21:19:34,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:34,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 21:19:34,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 21:19:34,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:34" (1/1) ... [2019-12-07 21:19:34,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a7ff0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:34, skipping insertion in model container [2019-12-07 21:19:34,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 09:19:34" (1/1) ... [2019-12-07 21:19:34,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 21:19:34,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 21:19:35,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:35,014 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 21:19:35,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 21:19:35,281 INFO L208 MainTranslator]: Completed translation [2019-12-07 21:19:35,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35 WrapperNode [2019-12-07 21:19:35,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 21:19:35,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 21:19:35,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 21:19:35,282 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 21:19:35,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 21:19:35,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 21:19:35,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 21:19:35,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 21:19:35,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... [2019-12-07 21:19:35,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 21:19:35,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 21:19:35,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 21:19:35,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 21:19:35,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 21:19:35,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 21:19:35,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 21:19:35,557 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 21:19:35,557 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 21:19:35,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:35 BoogieIcfgContainer [2019-12-07 21:19:35,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 21:19:35,558 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 21:19:35,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 21:19:35,560 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 21:19:35,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 09:19:34" (1/3) ... [2019-12-07 21:19:35,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d38e0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:19:35, skipping insertion in model container [2019-12-07 21:19:35,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 09:19:35" (2/3) ... [2019-12-07 21:19:35,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d38e0e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 09:19:35, skipping insertion in model container [2019-12-07 21:19:35,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:35" (3/3) ... [2019-12-07 21:19:35,562 INFO L109 eAbstractionObserver]: Analyzing ICFG fdim.i [2019-12-07 21:19:35,569 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 21:19:35,573 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2019-12-07 21:19:35,583 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-07 21:19:35,600 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 21:19:35,601 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 21:19:35,601 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 21:19:35,601 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 21:19:35,601 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 21:19:35,601 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 21:19:35,601 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 21:19:35,601 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 21:19:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2019-12-07 21:19:35,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-12-07 21:19:35,614 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:35,615 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-12-07 21:19:35,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:35,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:35,619 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-12-07 21:19:35,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:35,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1435974996] [2019-12-07 21:19:35,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 21:19:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:35,668 INFO L264 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 21:19:35,671 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:35,703 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,705 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,706 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,707 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,719 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,727 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,728 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,736 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,744 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,745 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,746 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,754 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,762 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,763 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,771 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,778 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,779 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,780 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,787 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,794 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,795 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,802 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,810 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,811 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,819 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,825 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,826 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,833 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,840 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,841 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,849 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,864 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,872 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,879 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,888 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,896 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,903 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,904 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,905 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,913 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,920 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,921 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,929 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,937 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,938 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,939 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,946 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,953 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,966 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,967 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,968 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,969 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,976 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,982 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,983 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,984 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,991 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:35,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,007 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,014 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,015 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,022 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,029 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,030 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,031 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,044 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,045 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,052 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,059 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,060 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,061 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,069 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,076 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,077 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,085 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,092 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,093 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,094 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,101 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,107 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,114 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,123 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,124 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,130 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,138 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,139 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,145 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,152 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,153 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,154 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,160 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,168 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,174 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,181 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,182 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,183 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,196 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,197 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,203 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 21:19:36,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:19:36,222 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:36,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:19:36,243 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1435974996] [2019-12-07 21:19:36,244 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:36,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 21:19:36,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991219856] [2019-12-07 21:19:36,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 21:19:36,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:36,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 21:19:36,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:36,259 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 4 states. [2019-12-07 21:19:36,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:36,344 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2019-12-07 21:19:36,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:19:36,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-12-07 21:19:36,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:36,352 INFO L225 Difference]: With dead ends: 37 [2019-12-07 21:19:36,352 INFO L226 Difference]: Without dead ends: 13 [2019-12-07 21:19:36,354 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 21:19:36,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-12-07 21:19:36,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-12-07 21:19:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-12-07 21:19:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-12-07 21:19:36,376 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 4 [2019-12-07 21:19:36,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:36,376 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-12-07 21:19:36,376 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 21:19:36,376 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-12-07 21:19:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 21:19:36,376 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 21:19:36,376 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 21:19:36,577 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 21:19:36,578 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 21:19:36,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 21:19:36,578 INFO L82 PathProgramCache]: Analyzing trace with hash -565231631, now seen corresponding path program 1 times [2019-12-07 21:19:36,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 21:19:36,580 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191252052] [2019-12-07 21:19:36,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 21:19:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 21:19:36,677 INFO L264 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 21:19:36,678 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 21:19:36,863 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 5 [2019-12-07 21:19:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:19:36,866 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 21:19:37,868 WARN L192 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 7 [2019-12-07 21:19:37,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 21:19:37,870 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191252052] [2019-12-07 21:19:37,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 21:19:37,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 21:19:37,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829106784] [2019-12-07 21:19:37,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 21:19:37,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 21:19:37,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 21:19:37,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-07 21:19:37,872 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 6 states. [2019-12-07 21:19:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 21:19:37,933 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-12-07 21:19:37,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 21:19:37,938 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-12-07 21:19:37,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 21:19:37,938 INFO L225 Difference]: With dead ends: 13 [2019-12-07 21:19:37,938 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 21:19:37,939 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-07 21:19:37,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 21:19:37,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 21:19:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 21:19:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 21:19:37,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-12-07 21:19:37,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 21:19:37,940 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 21:19:37,940 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 21:19:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 21:19:37,940 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 21:19:38,140 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 21:19:38,143 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,213 INFO L246 CegarLoopResult]: For program point L867(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,214 INFO L246 CegarLoopResult]: For program point L867-1(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,214 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 21:19:38,214 INFO L242 CegarLoopResult]: At program point L867-3(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 21:19:38,214 INFO L246 CegarLoopResult]: For program point L867-4(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,214 INFO L246 CegarLoopResult]: For program point L867-5(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,214 INFO L242 CegarLoopResult]: At program point L867-7(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 21:19:38,214 INFO L246 CegarLoopResult]: For program point L867-8(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L246 CegarLoopResult]: For program point L867-9(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L242 CegarLoopResult]: At program point L867-11(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 21:19:38,215 INFO L246 CegarLoopResult]: For program point L867-12(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L246 CegarLoopResult]: For program point L867-13(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L242 CegarLoopResult]: At program point L867-15(line 867) the Hoare annotation is: (and (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 21:19:38,215 INFO L246 CegarLoopResult]: For program point L867-16(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L246 CegarLoopResult]: For program point L867-17(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,215 INFO L242 CegarLoopResult]: At program point L867-19(lines 1 877) the Hoare annotation is: (not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32))) [2019-12-07 21:19:38,216 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 867) no Hoare annotation was computed. [2019-12-07 21:19:38,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,228 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,229 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 09:19:38 BoogieIcfgContainer [2019-12-07 21:19:38,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 21:19:38,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 21:19:38,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 21:19:38,231 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 21:19:38,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 09:19:35" (3/4) ... [2019-12-07 21:19:38,234 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 21:19:38,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-07 21:19:38,241 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 21:19:38,274 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6df9c34d-994b-40da-b6d2-20e49734cfb7/bin/utaipan/witness.graphml [2019-12-07 21:19:38,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 21:19:38,275 INFO L168 Benchmark]: Toolchain (without parser) took 3577.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.4 MB in the beginning and 830.1 MB in the end (delta: 118.2 MB). Peak memory consumption was 237.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,276 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:38,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.4 MB in the beginning and 1.0 GB in the end (delta: -67.9 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,277 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,277 INFO L168 Benchmark]: Boogie Preprocessor took 17.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:38,278 INFO L168 Benchmark]: RCFGBuilder took 220.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.3 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,278 INFO L168 Benchmark]: TraceAbstraction took 2672.36 ms. Allocated memory is still 1.1 GB. Free memory was 984.3 MB in the beginning and 830.1 MB in the end (delta: 154.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. [2019-12-07 21:19:38,278 INFO L168 Benchmark]: Witness Printer took 43.48 ms. Allocated memory is still 1.1 GB. Free memory is still 830.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 21:19:38,280 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 582.58 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 948.4 MB in the beginning and 1.0 GB in the end (delta: -67.9 MB). Peak memory consumption was 62.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.22 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 220.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 984.3 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2672.36 ms. Allocated memory is still 1.1 GB. Free memory was 984.3 MB in the beginning and 830.1 MB in the end (delta: 154.2 MB). Peak memory consumption was 154.2 MB. Max. memory is 11.5 GB. * Witness Printer took 43.48 ms. Allocated memory is still 1.1 GB. Free memory is still 830.1 MB. There was no memory consumed. Max. memory is 11.5 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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 867]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant [2019-12-07 21:19:38,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 867]: Loop Invariant [2019-12-07 21:19:38,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 867]: Loop Invariant [2019-12-07 21:19:38,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 867]: Loop Invariant [2019-12-07 21:19:38,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 21:19:38,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 21:19:38,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: !(cond == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 5 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 12 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 18 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 40 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546 SizeOfPredicates, 7 NumberOfNonLiveVariables, 26 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...