./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/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 fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 ............................................................................................................................................................................ 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_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/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 fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:51:34,450 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:51:34,451 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:51:34,457 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:51:34,457 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:51:34,458 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:51:34,459 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:51:34,460 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:51:34,461 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:51:34,461 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:51:34,462 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:51:34,462 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:51:34,463 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:51:34,463 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:51:34,464 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:51:34,464 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:51:34,465 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:51:34,466 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:51:34,467 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:51:34,468 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:51:34,469 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:51:34,469 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:51:34,471 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:51:34,471 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:51:34,471 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:51:34,472 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:51:34,472 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:51:34,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:51:34,474 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:51:34,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:51:34,475 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:51:34,475 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:51:34,475 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:51:34,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:51:34,476 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:51:34,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:51:34,477 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:51:34,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:51:34,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:51:34,487 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:51:34,488 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:51:34,488 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:51:34,489 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:51:34,489 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:51:34,489 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:51:34,489 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:51:34,490 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:51:34,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:51:34,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:51:34,491 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:51:34,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:51:34,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:51:34,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:51:34,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:51:34,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:51:34,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:51:34,492 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:51:34,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:51:34,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:51:34,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:51:34,492 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_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/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 -> fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 [2018-11-23 14:51:34,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:51:34,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:51:34,527 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:51:34,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:51:34,529 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:51:34,529 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-11-23 14:51:34,568 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/a019d01e4/71d34e00d8bf48809ed8fc20abe9ffbc/FLAG9f81211b3 [2018-11-23 14:51:35,041 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:51:35,042 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-11-23 14:51:35,051 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/a019d01e4/71d34e00d8bf48809ed8fc20abe9ffbc/FLAG9f81211b3 [2018-11-23 14:51:35,545 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/a019d01e4/71d34e00d8bf48809ed8fc20abe9ffbc [2018-11-23 14:51:35,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:51:35,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:51:35,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:51:35,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:51:35,551 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:51:35,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:51:35" (1/1) ... [2018-11-23 14:51:35,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@536b5fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:35, skipping insertion in model container [2018-11-23 14:51:35,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:51:35" (1/1) ... [2018-11-23 14:51:35,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:51:35,593 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:51:35,902 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:836) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:207) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1310) 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:997) 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:2281) 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:2281) 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:2281) 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:1472) 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:962) 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:1332) 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:3436) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:538) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-23 14:51:35,905 INFO L168 Benchmark]: Toolchain (without parser) took 357.60 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 943.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:51:35,906 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:51:35,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 943.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:51:35,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.22 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 943.1 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:836) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-23 14:51:37,126 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:51:37,128 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:51:37,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:51:37,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:51:37,137 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:51:37,138 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:51:37,139 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:51:37,140 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:51:37,141 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:51:37,142 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:51:37,142 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:51:37,142 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:51:37,143 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:51:37,144 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:51:37,144 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:51:37,145 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:51:37,146 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:51:37,147 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:51:37,148 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:51:37,149 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:51:37,150 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:51:37,152 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:51:37,152 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:51:37,152 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:51:37,153 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:51:37,153 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:51:37,154 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:51:37,154 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:51:37,155 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:51:37,155 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:51:37,156 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:51:37,156 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:51:37,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:51:37,157 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:51:37,157 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:51:37,157 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-23 14:51:37,167 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:51:37,168 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:51:37,168 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:51:37,168 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:51:37,169 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:51:37,169 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:51:37,169 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:51:37,169 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:51:37,169 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:51:37,169 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:51:37,170 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:51:37,170 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:51:37,170 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:51:37,170 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:51:37,170 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:51:37,170 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:51:37,171 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:51:37,172 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:51:37,172 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:51:37,172 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:51:37,172 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:51:37,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:51:37,172 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:51:37,172 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:51:37,173 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:51:37,173 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-23 14:51:37,173 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:51:37,173 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 14:51:37,173 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 14:51:37,173 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_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/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 -> fc29bd9cd4b6bebb444bcb0c8a01e26fdfb66041 [2018-11-23 14:51:37,202 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:51:37,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:51:37,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:51:37,215 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:51:37,215 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:51:37,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-11-23 14:51:37,257 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/3f2bae88e/58581c37ddf642dc8f602cacf46769e3/FLAGa885eb51a [2018-11-23 14:51:37,621 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:51:37,622 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/sv-benchmarks/c/floats-cbmc-regression/float14_true-unreach-call.i [2018-11-23 14:51:37,630 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/3f2bae88e/58581c37ddf642dc8f602cacf46769e3/FLAGa885eb51a [2018-11-23 14:51:37,639 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/data/3f2bae88e/58581c37ddf642dc8f602cacf46769e3 [2018-11-23 14:51:37,641 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:51:37,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:51:37,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:51:37,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:51:37,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:51:37,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:51:37" (1/1) ... [2018-11-23 14:51:37,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334d8e81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:37, skipping insertion in model container [2018-11-23 14:51:37,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:51:37" (1/1) ... [2018-11-23 14:51:37,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:51:37,686 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:51:38,030 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:51:38,034 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:51:38,057 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:51:38,239 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:51:38,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38 WrapperNode [2018-11-23 14:51:38,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:51:38,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:51:38,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:51:38,240 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:51:38,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:51:38,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:51:38,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:51:38,306 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:51:38,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,317 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... [2018-11-23 14:51:38,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:51:38,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:51:38,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:51:38,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:51:38,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/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 [2018-11-23 14:51:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:51:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:51:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:51:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:51:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:51:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:51:38,452 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:51:38,452 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 14:51:38,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:51:38 BoogieIcfgContainer [2018-11-23 14:51:38,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:51:38,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:51:38,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:51:38,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:51:38,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:51:37" (1/3) ... [2018-11-23 14:51:38,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e4aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:51:38, skipping insertion in model container [2018-11-23 14:51:38,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:51:38" (2/3) ... [2018-11-23 14:51:38,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1e4aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:51:38, skipping insertion in model container [2018-11-23 14:51:38,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:51:38" (3/3) ... [2018-11-23 14:51:38,458 INFO L112 eAbstractionObserver]: Analyzing ICFG float14_true-unreach-call.i [2018-11-23 14:51:38,463 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:51:38,468 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-11-23 14:51:38,477 INFO L257 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2018-11-23 14:51:38,494 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:51:38,495 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:51:38,495 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:51:38,495 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:51:38,495 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:51:38,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:51:38,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:51:38,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:51:38,495 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:51:38,506 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2018-11-23 14:51:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 14:51:38,509 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:51:38,510 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:51:38,512 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:51:38,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:51:38,515 INFO L82 PathProgramCache]: Analyzing trace with hash 703471866, now seen corresponding path program 1 times [2018-11-23 14:51:38,518 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 14:51:38,518 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/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 [2018-11-23 14:51:38,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:51:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:51:38,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:51:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:51:38,586 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-23 14:51:38,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:51:38,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:51:38,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:51:38,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:51:38,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:51:38,606 INFO L87 Difference]: Start difference. First operand 16 states. Second operand 3 states. [2018-11-23 14:51:38,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:51:38,644 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-23 14:51:38,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:51:38,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-23 14:51:38,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:51:38,649 INFO L225 Difference]: With dead ends: 22 [2018-11-23 14:51:38,650 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:51:38,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:51:38,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:51:38,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:51:38,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:51:38,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:51:38,666 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2018-11-23 14:51:38,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:51:38,667 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:51:38,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:51:38,667 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:51:38,667 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:51:38,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:51:38,701 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-23 14:51:38,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:51:38,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:51:38,701 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-23 14:51:38,701 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:51:38,701 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point L962-3(lines 950 963) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 950 963) the Hoare annotation is: true [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point L955(line 955) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point L955-1(line 955) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 950 963) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point L955-3(line 955) no Hoare annotation was computed. [2018-11-23 14:51:38,702 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 955) no Hoare annotation was computed. [2018-11-23 14:51:38,703 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2018-11-23 14:51:38,703 INFO L448 ceAbstractionStarter]: For program point L962(line 962) no Hoare annotation was computed. [2018-11-23 14:51:38,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:51:38 BoogieIcfgContainer [2018-11-23 14:51:38,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:51:38,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:51:38,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:51:38,706 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:51:38,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:51:38" (3/4) ... [2018-11-23 14:51:38,709 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:51:38,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:51:38,713 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:51:38,716 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:51:38,716 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:51:38,716 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:51:38,740 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e36ff30e-a994-4a10-a6c1-0f078c4a2c3a/bin-2019/utaipan/witness.graphml [2018-11-23 14:51:38,740 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:51:38,740 INFO L168 Benchmark]: Toolchain (without parser) took 1098.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:51:38,741 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-11-23 14:51:38,741 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.54 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 830.5 MB in the end (delta: 112.7 MB). Peak memory consumption was 112.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:51:38,742 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 830.5 MB in the beginning and 1.1 GB in the end (delta: -291.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. [2018-11-23 14:51:38,742 INFO L168 Benchmark]: Boogie Preprocessor took 16.29 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. [2018-11-23 14:51:38,742 INFO L168 Benchmark]: RCFGBuilder took 130.66 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:51:38,743 INFO L168 Benchmark]: TraceAbstraction took 251.50 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-23 14:51:38,743 INFO L168 Benchmark]: Witness Printer took 34.47 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. [2018-11-23 14:51:38,746 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 596.54 ms. Allocated memory is still 1.0 GB. Free memory was 943.3 MB in the beginning and 830.5 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 65.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 830.5 MB in the beginning and 1.1 GB in the end (delta: -291.8 MB). Peak memory consumption was 17.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.29 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 130.66 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 251.50 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * Witness Printer took 34.47 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 955]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 16 locations, 2 error locations. SAFE Result, 0.2s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8 SDtfs, 4 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 90 SizeOfPredicates, 1 NumberOfNonLiveVariables, 13 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...