./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/nan.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/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 567b7fa1f847760293934d0162ff45c1e81b7a4f ..................................................................................................................................................................... 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_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/nan.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/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 567b7fa1f847760293934d0162ff45c1e81b7a4f ................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:36:22,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:36:22,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:36:22,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:36:22,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:36:22,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:36:22,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:36:22,504 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:36:22,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:36:22,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:36:22,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:36:22,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:36:22,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:36:22,509 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:36:22,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:36:22,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:36:22,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:36:22,513 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:36:22,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:36:22,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:36:22,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:36:22,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:36:22,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:36:22,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:36:22,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:36:22,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:36:22,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:36:22,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:36:22,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:36:22,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:36:22,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:36:22,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:36:22,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:36:22,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:36:22,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:36:22,539 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:36:22,540 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:36:22,540 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:36:22,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:36:22,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:36:22,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:36:22,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:36:22,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:36:22,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:36:22,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:36:22,572 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:36:22,572 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:36:22,572 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:36:22,572 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:36:22,573 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:36:22,573 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:36:22,573 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:36:22,573 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:36:22,573 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:36:22,573 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:36:22,574 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:36:22,574 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:36:22,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:36:22,574 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:36:22,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:36:22,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:36:22,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:36:22,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:36:22,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:36:22,575 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:36:22,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:36:22,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:36:22,576 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:36:22,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:36:22,576 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:36:22,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:36:22,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:36:22,577 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:36:22,577 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:36:22,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:36:22,577 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:36:22,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:36:22,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:36:22,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:36:22,578 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_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2019-11-26 02:36:22,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:36:22,766 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:36:22,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:36:22,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:36:22,770 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:36:22,771 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-11-26 02:36:22,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/7d12ff55b/be621588edaf488fb8dad8b6ea111503/FLAG4306b87ba [2019-11-26 02:36:23,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:36:23,300 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-11-26 02:36:23,313 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/7d12ff55b/be621588edaf488fb8dad8b6ea111503/FLAG4306b87ba [2019-11-26 02:36:23,325 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/7d12ff55b/be621588edaf488fb8dad8b6ea111503 [2019-11-26 02:36:23,328 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:36:23,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:36:23,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:36:23,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:36:23,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:36:23,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:36:23" (1/1) ... [2019-11-26 02:36:23,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa8f0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:23, skipping insertion in model container [2019-11-26 02:36:23,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:36:23" (1/1) ... [2019-11-26 02:36:23,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:36:23,379 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:36:23,946 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1634) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$38(StandardFunctionHandler.java:314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:1288) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:249) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:2869) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2020) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1044) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) 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) [2019-11-26 02:36:23,951 INFO L168 Benchmark]: Toolchain (without parser) took 621.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -241.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:23,952 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:23,953 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -241.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:23,954 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 619.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -241.0 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-6b5699a [2019-11-26 02:36:25,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:36:25,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:36:25,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:36:25,546 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:36:25,547 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:36:25,549 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:36:25,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:36:25,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:36:25,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:36:25,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:36:25,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:36:25,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:36:25,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:36:25,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:36:25,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:36:25,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:36:25,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:36:25,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:36:25,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:36:25,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:36:25,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:36:25,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:36:25,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:36:25,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:36:25,592 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:36:25,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:36:25,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:36:25,594 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:36:25,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:36:25,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:36:25,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:36:25,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:36:25,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:36:25,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:36:25,599 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:36:25,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:36:25,600 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:36:25,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:36:25,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:36:25,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:36:25,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:36:25,629 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:36:25,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:36:25,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:36:25,630 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:36:25,630 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:36:25,630 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:36:25,630 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:36:25,631 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:36:25,631 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:36:25,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:36:25,632 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:36:25,632 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:36:25,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:36:25,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:36:25,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:36:25,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:36:25,633 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:36:25,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:36:25,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:36:25,633 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:36:25,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:36:25,634 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:36:25,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:36:25,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:36:25,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:36:25,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:36:25,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:36:25,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:36:25,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:36:25,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:36:25,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:36:25,643 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:36:25,644 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:36:25,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:36:25,644 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:36:25,644 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_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/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 -> 567b7fa1f847760293934d0162ff45c1e81b7a4f [2019-11-26 02:36:25,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:36:25,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:36:25,989 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:36:25,990 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:36:25,991 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:36:25,991 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/../../sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-11-26 02:36:26,036 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/bfcbffdad/290dd1df15024491959f4561591380d4/FLAG37e235ce3 [2019-11-26 02:36:26,554 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:36:26,557 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/sv-benchmarks/c/floats-esbmc-regression/nan.i [2019-11-26 02:36:26,573 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/bfcbffdad/290dd1df15024491959f4561591380d4/FLAG37e235ce3 [2019-11-26 02:36:27,059 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/data/bfcbffdad/290dd1df15024491959f4561591380d4 [2019-11-26 02:36:27,062 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:36:27,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:36:27,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:36:27,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:36:27,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:36:27,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:36:27" (1/1) ... [2019-11-26 02:36:27,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eba0d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:27, skipping insertion in model container [2019-11-26 02:36:27,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:36:27" (1/1) ... [2019-11-26 02:36:27,082 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:36:27,129 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:36:27,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:36:27,711 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:36:27,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:36:28,102 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:36:28,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28 WrapperNode [2019-11-26 02:36:28,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:36:28,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:36:28,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:36:28,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:36:28,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:36:28,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:36:28,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:36:28,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:36:28,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,214 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... [2019-11-26 02:36:28,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:36:28,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:36:28,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:36:28,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:36:28,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/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 [2019-11-26 02:36:28,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:36:28,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:36:28,443 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:36:28,444 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-26 02:36:28,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:36:28 BoogieIcfgContainer [2019-11-26 02:36:28,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:36:28,446 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:36:28,446 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:36:28,448 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:36:28,449 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:36:27" (1/3) ... [2019-11-26 02:36:28,449 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d361ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:36:28, skipping insertion in model container [2019-11-26 02:36:28,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:36:28" (2/3) ... [2019-11-26 02:36:28,450 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36d361ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:36:28, skipping insertion in model container [2019-11-26 02:36:28,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:36:28" (3/3) ... [2019-11-26 02:36:28,451 INFO L109 eAbstractionObserver]: Analyzing ICFG nan.i [2019-11-26 02:36:28,464 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:36:28,476 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-11-26 02:36:28,485 INFO L249 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2019-11-26 02:36:28,516 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:36:28,516 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:36:28,517 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:36:28,517 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:36:28,517 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:36:28,517 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:36:28,518 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:36:28,518 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:36:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states. [2019-11-26 02:36:28,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:36:28,538 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:36:28,539 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2019-11-26 02:36:28,539 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:36:28,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:36:28,543 INFO L82 PathProgramCache]: Analyzing trace with hash 925605, now seen corresponding path program 1 times [2019-11-26 02:36:28,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:36:28,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973381731] [2019-11-26 02:36:28,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/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 [2019-11-26 02:36:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:36:28,611 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-26 02:36:28,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:36:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:36:28,665 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:36:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:36:28,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973381731] [2019-11-26 02:36:28,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:36:28,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-11-26 02:36:28,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207116015] [2019-11-26 02:36:28,700 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-26 02:36:28,700 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:36:28,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-26 02:36:28,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-26 02:36:28,711 INFO L87 Difference]: Start difference. First operand 12 states. Second operand 4 states. [2019-11-26 02:36:28,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:36:28,745 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2019-11-26 02:36:28,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-26 02:36:28,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2019-11-26 02:36:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:36:28,752 INFO L225 Difference]: With dead ends: 17 [2019-11-26 02:36:28,752 INFO L226 Difference]: Without dead ends: 0 [2019-11-26 02:36:28,757 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 [2019-11-26 02:36:28,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-26 02:36:28,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-26 02:36:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-26 02:36:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-26 02:36:28,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2019-11-26 02:36:28,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:36:28,780 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-26 02:36:28,780 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-26 02:36:28,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-26 02:36:28,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:36:28,981 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:36:28,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-26 02:36:29,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-26 02:36:29,020 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2019-11-26 02:36:29,021 INFO L444 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2019-11-26 02:36:29,021 INFO L444 ceAbstractionStarter]: For program point L1000-1(line 1000) no Hoare annotation was computed. [2019-11-26 02:36:29,021 INFO L440 ceAbstractionStarter]: At program point L1000-3(line 1000) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-26 02:36:29,021 INFO L444 ceAbstractionStarter]: For program point L1000-4(line 1000) no Hoare annotation was computed. [2019-11-26 02:36:29,021 INFO L444 ceAbstractionStarter]: For program point L1000-5(line 1000) no Hoare annotation was computed. [2019-11-26 02:36:29,021 INFO L440 ceAbstractionStarter]: At program point L1000-7(lines 1 1011) the Hoare annotation is: (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)) [2019-11-26 02:36:29,022 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-26 02:36:29,022 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-26 02:36:29,022 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-26 02:36:29,022 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2019-11-26 02:36:29,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:36:29 BoogieIcfgContainer [2019-11-26 02:36:29,034 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:36:29,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:36:29,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:36:29,034 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:36:29,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:36:28" (3/4) ... [2019-11-26 02:36:29,037 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:36:29,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-26 02:36:29,046 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:36:29,047 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-26 02:36:29,081 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_5c60e01a-f1aa-4089-914d-0b7cf74ffbe1/bin/utaipan/witness.graphml [2019-11-26 02:36:29,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:36:29,083 INFO L168 Benchmark]: Toolchain (without parser) took 2018.85 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 955.1 MB in the beginning and 931.9 MB in the end (delta: 23.2 MB). Peak memory consumption was 118.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:29,083 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:29,084 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1035.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 955.1 MB in the beginning and 982.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:29,085 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.06 ms. Allocated memory is still 1.1 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:29,085 INFO L168 Benchmark]: Boogie Preprocessor took 41.31 ms. Allocated memory is still 1.1 GB. Free memory was 982.4 MB in the beginning and 975.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:29,086 INFO L168 Benchmark]: RCFGBuilder took 222.13 ms. Allocated memory is still 1.1 GB. Free memory was 975.7 MB in the beginning and 964.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:29,087 INFO L168 Benchmark]: TraceAbstraction took 587.91 ms. Allocated memory is still 1.1 GB. Free memory was 964.5 MB in the beginning and 931.9 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:36:29,087 INFO L168 Benchmark]: Witness Printer took 46.98 ms. Allocated memory is still 1.1 GB. Free memory is still 931.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:36:29,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1035.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 955.1 MB in the beginning and 982.4 MB in the end (delta: -27.4 MB). Peak memory consumption was 79.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.06 ms. Allocated memory is still 1.1 GB. Free memory is still 982.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.31 ms. Allocated memory is still 1.1 GB. Free memory was 982.4 MB in the beginning and 975.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 222.13 ms. Allocated memory is still 1.1 GB. Free memory was 975.7 MB in the beginning and 964.5 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 587.91 ms. Allocated memory is still 1.1 GB. Free memory was 964.5 MB in the beginning and 931.9 MB in the end (delta: 32.6 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Witness Printer took 46.98 ms. Allocated memory is still 1.1 GB. Free memory is still 931.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - InvariantResult [Line: 1000]: Loop Invariant Derived loop invariant: ~bvadd64(cond, 4294967295bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 12 locations, 2 error locations. Result: SAFE, OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 5 SDtfs, 8 SDslu, 1 SDs, 0 SdLazy, 2 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 10 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 5 NumberOfNonLiveVariables, 8 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...