./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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 0.1.23-635dfa2 [2018-12-02 04:20:16,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:20:16,336 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:20:16,343 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:20:16,343 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:20:16,343 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:20:16,344 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:20:16,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:20:16,346 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:20:16,346 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:20:16,347 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:20:16,347 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:20:16,347 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:20:16,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:20:16,349 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:20:16,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:20:16,349 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:20:16,350 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:20:16,351 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:20:16,352 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:20:16,352 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:20:16,353 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:20:16,354 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:20:16,354 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:20:16,355 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:20:16,355 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:20:16,356 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:20:16,356 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:20:16,356 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:20:16,357 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:20:16,357 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:20:16,357 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:20:16,358 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:20:16,358 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:20:16,358 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:20:16,359 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:20:16,359 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:20:16,366 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:20:16,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:20:16,367 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:20:16,367 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:20:16,367 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:20:16,367 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:20:16,367 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:20:16,367 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:20:16,368 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:20:16,368 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:20:16,368 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:20:16,368 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:20:16,368 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:20:16,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:20:16,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:20:16,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:20:16,369 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:20:16,370 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:20:16,370 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:20:16,370 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_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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 [2018-12-02 04:20:16,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:20:16,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:20:16,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:20:16,401 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:20:16,402 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:20:16,402 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-02 04:20:16,443 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/ada5b13c0/ba1bf99b03184052a4758751287720c9/FLAGc8a17849d [2018-12-02 04:20:16,928 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:20:16,929 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-02 04:20:16,935 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/ada5b13c0/ba1bf99b03184052a4758751287720c9/FLAGc8a17849d [2018-12-02 04:20:16,943 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/ada5b13c0/ba1bf99b03184052a4758751287720c9 [2018-12-02 04:20:16,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:20:16,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:20:16,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:20:16,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:20:16,948 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:20:16,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:20:16" (1/1) ... [2018-12-02 04:20:16,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@725a737b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:16, skipping insertion in model container [2018-12-02 04:20:16,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:20:16" (1/1) ... [2018-12-02 04:20:16,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:20:16,982 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:20:17,209 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:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1668) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) 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:998) 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:2291) 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:2291) 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:2291) 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:1482) 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:963) 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:1490) 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:963) 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:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1342) 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:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) 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:190) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-02 04:20:17,211 INFO L168 Benchmark]: Toolchain (without parser) took 266.59 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:20:17,213 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:20:17,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:20:17,214 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 265.08 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 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:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:20:18,279 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:20:18,280 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:20:18,286 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:20:18,286 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:20:18,287 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:20:18,288 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:20:18,289 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:20:18,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:20:18,291 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:20:18,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:20:18,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:20:18,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:20:18,292 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:20:18,293 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:20:18,293 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:20:18,293 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:20:18,294 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:20:18,295 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:20:18,296 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:20:18,297 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:20:18,297 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:20:18,299 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:20:18,299 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:20:18,299 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:20:18,300 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:20:18,300 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:20:18,300 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:20:18,301 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:20:18,301 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:20:18,301 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:20:18,302 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:20:18,302 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:20:18,302 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:20:18,302 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:20:18,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:20:18,303 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 04:20:18,312 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:20:18,312 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:20:18,313 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:20:18,313 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:20:18,313 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:20:18,313 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:20:18,313 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:20:18,313 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:20:18,313 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:20:18,314 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:20:18,314 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:20:18,314 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:20:18,314 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:20:18,314 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:20:18,315 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:20:18,316 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:20:18,316 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:20:18,316 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:20:18,316 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:20:18,316 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:20:18,316 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:20:18,316 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:20:18,316 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:20:18,317 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:20:18,317 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:20:18,317 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:20:18,317 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:20:18,317 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:20:18,317 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 04:20:18,317 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_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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 [2018-12-02 04:20:18,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:20:18,351 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:20:18,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:20:18,355 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:20:18,355 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:20:18,355 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-02 04:20:18,389 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/c2743c1bd/7e07fefe60804bd59357af308ab71bad/FLAG6fbc17c78 [2018-12-02 04:20:18,761 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:20:18,762 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/sv-benchmarks/c/floats-cbmc-regression/float19_true-unreach-call.i [2018-12-02 04:20:18,770 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/c2743c1bd/7e07fefe60804bd59357af308ab71bad/FLAG6fbc17c78 [2018-12-02 04:20:18,781 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/data/c2743c1bd/7e07fefe60804bd59357af308ab71bad [2018-12-02 04:20:18,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:20:18,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:20:18,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:20:18,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:20:18,788 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:20:18,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:20:18" (1/1) ... [2018-12-02 04:20:18,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4e6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:18, skipping insertion in model container [2018-12-02 04:20:18,790 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:20:18" (1/1) ... [2018-12-02 04:20:18,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:20:18,825 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:20:19,070 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:20:19,073 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:20:19,093 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:20:19,234 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:20:19,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19 WrapperNode [2018-12-02 04:20:19,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:20:19,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:20:19,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:20:19,235 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:20:19,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:20:19,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:20:19,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:20:19,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:20:19,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,301 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,304 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... [2018-12-02 04:20:19,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:20:19,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:20:19,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:20:19,308 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:20:19,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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 [2018-12-02 04:20:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure f00 [2018-12-02 04:20:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure f00 [2018-12-02 04:20:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:20:19,339 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:20:19,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:20:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:20:19,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:20:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:20:19,582 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:20:19,582 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-02 04:20:19,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:20:19 BoogieIcfgContainer [2018-12-02 04:20:19,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:20:19,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:20:19,583 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:20:19,585 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:20:19,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:20:18" (1/3) ... [2018-12-02 04:20:19,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4498d6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:20:19, skipping insertion in model container [2018-12-02 04:20:19,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:20:19" (2/3) ... [2018-12-02 04:20:19,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4498d6ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:20:19, skipping insertion in model container [2018-12-02 04:20:19,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:20:19" (3/3) ... [2018-12-02 04:20:19,586 INFO L112 eAbstractionObserver]: Analyzing ICFG float19_true-unreach-call.i [2018-12-02 04:20:19,592 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:20:19,596 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:20:19,605 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:20:19,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 04:20:19,621 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:20:19,622 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:20:19,622 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:20:19,622 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:20:19,622 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:20:19,622 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:20:19,622 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:20:19,622 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:20:19,631 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-12-02 04:20:19,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-02 04:20:19,635 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:20:19,635 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:20:19,636 INFO L423 AbstractCegarLoop]: === Iteration 1 === [f00Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:20:19,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:20:19,639 INFO L82 PathProgramCache]: Analyzing trace with hash 601011926, now seen corresponding path program 1 times [2018-12-02 04:20:19,642 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:20:19,642 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/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 [2018-12-02 04:20:19,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:20:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:20:19,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:20:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:20:20,034 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:20:20,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:20:20,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:20:20,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:20:20,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:20:20,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:20:20,053 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-12-02 04:20:20,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:20:20,182 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-12-02 04:20:20,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:20:20,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-02 04:20:20,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:20:20,192 INFO L225 Difference]: With dead ends: 27 [2018-12-02 04:20:20,192 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:20:20,194 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:20:20,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:20:20,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:20:20,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:20:20,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:20:20,208 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2018-12-02 04:20:20,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:20:20,208 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:20:20,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:20:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:20:20,209 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:20:20,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:20:20,238 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-02 04:20:20,238 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:20:20,238 INFO L448 ceAbstractionStarter]: For program point L957(line 957) no Hoare annotation was computed. [2018-12-02 04:20:20,238 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 958) no Hoare annotation was computed. [2018-12-02 04:20:20,238 INFO L448 ceAbstractionStarter]: For program point L957-1(line 957) no Hoare annotation was computed. [2018-12-02 04:20:20,238 INFO L448 ceAbstractionStarter]: For program point L956-1(lines 954 959) no Hoare annotation was computed. [2018-12-02 04:20:20,238 INFO L451 ceAbstractionStarter]: At program point f00ENTRY(lines 954 959) the Hoare annotation is: true [2018-12-02 04:20:20,238 INFO L448 ceAbstractionStarter]: For program point f00EXIT(lines 954 959) no Hoare annotation was computed. [2018-12-02 04:20:20,239 INFO L448 ceAbstractionStarter]: For program point f00Err0ASSERT_VIOLATIONERROR_FUNCTION(line 957) no Hoare annotation was computed. [2018-12-02 04:20:20,239 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:20:20,239 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 04:20:20,239 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:20:20,239 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:20:20,239 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 963 972) the Hoare annotation is: true [2018-12-02 04:20:20,239 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 963 972) no Hoare annotation was computed. [2018-12-02 04:20:20,239 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 963 972) no Hoare annotation was computed. [2018-12-02 04:20:20,239 INFO L451 ceAbstractionStarter]: At program point L968(line 968) the Hoare annotation is: true [2018-12-02 04:20:20,239 INFO L448 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-12-02 04:20:20,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:20:20 BoogieIcfgContainer [2018-12-02 04:20:20,241 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:20:20,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:20:20,241 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:20:20,241 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:20:20,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:20:19" (3/4) ... [2018-12-02 04:20:20,244 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:20:20,248 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:20:20,248 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure f00 [2018-12-02 04:20:20,248 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:20:20,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 04:20:20,250 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:20:20,251 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:20:20,272 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7fcf2eaf-f090-4092-b1d9-40279d3e46ba/bin-2019/utaipan/witness.graphml [2018-12-02 04:20:20,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:20:20,272 INFO L168 Benchmark]: Toolchain (without parser) took 1488.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:20:20,273 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:20:20,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.50 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:20:20,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -314.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:20:20,274 INFO L168 Benchmark]: Boogie Preprocessor took 13.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:20:20,274 INFO L168 Benchmark]: RCFGBuilder took 274.60 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:20:20,274 INFO L168 Benchmark]: TraceAbstraction took 658.02 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:20:20,275 INFO L168 Benchmark]: Witness Printer took 30.65 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. [2018-12-02 04:20:20,276 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.50 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -314.0 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.26 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 274.60 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: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 658.02 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: 25.9 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Witness Printer took 30.65 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, 18 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 17 SDtfs, 2 SDslu, 13 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 0.3s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 135 SizeOfPredicates, 1 NumberOfNonLiveVariables, 18 ConjunctsInSsa, 2 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...