./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/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 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/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 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff ......................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:05:18,389 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:05:18,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:05:18,398 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:05:18,398 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:05:18,399 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:05:18,400 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:05:18,401 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:05:18,402 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:05:18,402 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:05:18,403 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:05:18,403 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:05:18,404 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:05:18,404 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:05:18,405 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:05:18,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:05:18,406 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:05:18,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:05:18,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:05:18,410 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:05:18,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:05:18,411 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:05:18,413 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:05:18,413 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:05:18,413 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:05:18,413 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:05:18,414 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:05:18,415 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:05:18,415 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:05:18,416 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:05:18,416 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:05:18,417 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:05:18,417 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:05:18,417 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:05:18,418 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:05:18,418 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:05:18,418 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 06:05:18,428 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:05:18,428 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:05:18,428 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:05:18,429 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:05:18,429 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:05:18,429 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:05:18,429 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 06:05:18,429 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:05:18,429 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 06:05:18,429 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 06:05:18,430 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:05:18,430 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:05:18,430 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:05:18,431 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:05:18,432 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:05:18,432 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:05:18,432 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:05:18,432 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:05:18,432 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:05:18,432 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:05:18,433 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:05:18,433 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:05:18,433 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:05:18,433 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 06:05:18,433 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:05:18,433 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:05:18,433 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 06:05:18,434 INFO L133 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/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/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 -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2018-11-10 06:05:18,457 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:05:18,466 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:05:18,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:05:18,469 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:05:18,470 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:05:18,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-11-10 06:05:18,503 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/2ae5216c2/8cae22a1acab44d89dd2150e4394aa9c/FLAGb9edac388 [2018-11-10 06:05:18,942 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:05:18,942 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-11-10 06:05:18,952 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/2ae5216c2/8cae22a1acab44d89dd2150e4394aa9c/FLAGb9edac388 [2018-11-10 06:05:18,961 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/2ae5216c2/8cae22a1acab44d89dd2150e4394aa9c [2018-11-10 06:05:18,963 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:05:18,964 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:05:18,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:05:18,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:05:18,966 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:05:18,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:05:18" (1/1) ... [2018-11-10 06:05:18,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@584d7dc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:18, skipping insertion in model container [2018-11-10 06:05:18,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:05:18" (1/1) ... [2018-11-10 06:05:18,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:05:19,004 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:05:19,288 FATAL L292 ToolchainWalker]: 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: isinf at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) 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:995) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) 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.visit(CHandler.java:1519) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) 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:364) 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:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) 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:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 06:05:19,290 INFO L168 Benchmark]: Toolchain (without parser) took 326.93 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 938.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:19,292 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:05:19,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 325.47 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 938.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:19,293 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 325.47 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 938.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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: isinf de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: isinf: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:05:20,491 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:05:20,492 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:05:20,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:05:20,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:05:20,502 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:05:20,503 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:05:20,504 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:05:20,505 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:05:20,505 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:05:20,506 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:05:20,506 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:05:20,507 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:05:20,507 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:05:20,508 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:05:20,508 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:05:20,509 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:05:20,510 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:05:20,511 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:05:20,512 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:05:20,513 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:05:20,514 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:05:20,515 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:05:20,515 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:05:20,515 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:05:20,516 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:05:20,517 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:05:20,517 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:05:20,518 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:05:20,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:05:20,519 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:05:20,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:05:20,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:05:20,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:05:20,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:05:20,520 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:05:20,521 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 06:05:20,530 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:05:20,530 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:05:20,531 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:05:20,531 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:05:20,531 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:05:20,532 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:05:20,532 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:05:20,532 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:05:20,532 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:05:20,532 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 06:05:20,533 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 06:05:20,534 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:05:20,534 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:05:20,534 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:05:20,534 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:05:20,534 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:05:20,534 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:05:20,534 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:05:20,535 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:05:20,535 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:05:20,535 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:05:20,535 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:05:20,535 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 06:05:20,535 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:05:20,535 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 06:05:20,536 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 06:05:20,536 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/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 -> 1759fb89478f5a7e6b6ecdf27297de5c78d2b6ff [2018-11-10 06:05:20,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:05:20,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:05:20,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:05:20,578 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:05:20,578 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:05:20,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-11-10 06:05:20,625 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/5fadd8096/250b1dd491d7470bba8e67fce65cae52/FLAG72ed6333f [2018-11-10 06:05:20,974 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:05:20,974 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-11-10 06:05:20,983 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/5fadd8096/250b1dd491d7470bba8e67fce65cae52/FLAG72ed6333f [2018-11-10 06:05:20,991 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/data/5fadd8096/250b1dd491d7470bba8e67fce65cae52 [2018-11-10 06:05:20,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:05:20,995 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:05:20,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:05:20,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:05:20,998 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:05:20,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:05:20" (1/1) ... [2018-11-10 06:05:21,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209b0f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:20, skipping insertion in model container [2018-11-10 06:05:21,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:05:20" (1/1) ... [2018-11-10 06:05:21,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:05:21,042 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:05:21,386 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:05:21,389 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:05:21,412 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:05:21,583 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:05:21,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21 WrapperNode [2018-11-10 06:05:21,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:05:21,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:05:21,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:05:21,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:05:21,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:05:21,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:05:21,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:05:21,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:05:21,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,618 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,619 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,624 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,625 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... [2018-11-10 06:05:21,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:05:21,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:05:21,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:05:21,628 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:05:21,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/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 [2018-11-10 06:05:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-11-10 06:05:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-11-10 06:05:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:05:21,699 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:05:21,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:05:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:05:21,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:05:21,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:05:22,148 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:05:22,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:05:22 BoogieIcfgContainer [2018-11-10 06:05:22,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:05:22,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:05:22,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:05:22,152 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:05:22,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:05:20" (1/3) ... [2018-11-10 06:05:22,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dde86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:05:22, skipping insertion in model container [2018-11-10 06:05:22,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:05:21" (2/3) ... [2018-11-10 06:05:22,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57dde86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:05:22, skipping insertion in model container [2018-11-10 06:05:22,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:05:22" (3/3) ... [2018-11-10 06:05:22,154 INFO L112 eAbstractionObserver]: Analyzing ICFG float19_true-unreach-call.i [2018-11-10 06:05:22,162 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:05:22,168 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:05:22,180 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:05:22,199 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:05:22,199 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:05:22,199 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:05:22,199 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:05:22,199 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:05:22,199 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:05:22,200 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:05:22,200 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:05:22,200 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:05:22,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2018-11-10 06:05:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 06:05:22,219 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:05:22,219 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:05:22,221 INFO L424 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:05:22,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:05:22,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2045388288, now seen corresponding path program 1 times [2018-11-10 06:05:22,226 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 06:05:22,227 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/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 [2018-11-10 06:05:22,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:05:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:05:22,261 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:05:22,664 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-10 06:05:22,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:05:22,918 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:05:22,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:05:22,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 06:05:22,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 06:05:22,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 06:05:22,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 06:05:22,938 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 4 states. [2018-11-10 06:05:23,722 WARN L179 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-10 06:05:23,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:05:23,774 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-11-10 06:05:23,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 06:05:23,778 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-10 06:05:23,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:05:23,783 INFO L225 Difference]: With dead ends: 31 [2018-11-10 06:05:23,783 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:05:23,785 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 06:05:23,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:05:23,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:05:23,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:05:23,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:05:23,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-11-10 06:05:23,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:05:23,803 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:05:23,803 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 06:05:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:05:23,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:05:23,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:05:23,840 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 06:05:23,840 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:05:23,840 INFO L425 ceAbstractionStarter]: For program point L956(lines 956 958) no Hoare annotation was computed. [2018-11-10 06:05:23,840 INFO L425 ceAbstractionStarter]: For program point L956-1(lines 954 959) no Hoare annotation was computed. [2018-11-10 06:05:23,840 INFO L428 ceAbstractionStarter]: At program point f00ENTRY(lines 954 959) the Hoare annotation is: true [2018-11-10 06:05:23,840 INFO L425 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point L957-2(line 957) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point L957-4(line 957) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point L957-5(line 957) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point L957-6(line 957) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point f00EXIT(lines 954 959) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:05:23,841 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 06:05:23,842 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:05:23,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:05:23,842 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 963 972) the Hoare annotation is: true [2018-11-10 06:05:23,842 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 963 972) no Hoare annotation was computed. [2018-11-10 06:05:23,842 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 963 972) no Hoare annotation was computed. [2018-11-10 06:05:23,842 INFO L428 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2018-11-10 06:05:23,843 INFO L425 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-11-10 06:05:23,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:05:23 BoogieIcfgContainer [2018-11-10 06:05:23,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:05:23,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:05:23,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:05:23,846 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:05:23,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:05:22" (3/4) ... [2018-11-10 06:05:23,849 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:05:23,855 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:05:23,855 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure f00 [2018-11-10 06:05:23,855 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:05:23,858 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 06:05:23,858 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 06:05:23,859 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 06:05:23,886 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b0d584a3-9018-4768-9314-ce9a0315eb9a/bin-2019/utaipan/witness.graphml [2018-11-10 06:05:23,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:05:23,887 INFO L168 Benchmark]: Toolchain (without parser) took 2892.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 944.4 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:05:23,887 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:05:23,887 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.31 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:23,888 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.97 ms. Allocated memory is still 1.0 GB. Free memory was 831.6 MB in the beginning and 826.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:23,888 INFO L168 Benchmark]: Boogie Preprocessor took 14.77 ms. Allocated memory is still 1.0 GB. Free memory is still 826.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:05:23,888 INFO L168 Benchmark]: RCFGBuilder took 520.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 826.3 MB in the beginning and 1.1 GB in the end (delta: -309.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:23,889 INFO L168 Benchmark]: TraceAbstraction took 1696.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:23,889 INFO L168 Benchmark]: Witness Printer took 40.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:05:23,892 INFO L336 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 588.31 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 831.6 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.97 ms. Allocated memory is still 1.0 GB. Free memory was 831.6 MB in the beginning and 826.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.77 ms. Allocated memory is still 1.0 GB. Free memory is still 826.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 520.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 826.3 MB in the beginning and 1.1 GB in the end (delta: -309.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1696.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.7 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Witness Printer took 40.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 957]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 21 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 2 SDslu, 30 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 6 NumberOfFragments, 6 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 1 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...