./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/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 941e668ccf070b9a219d3bc8afc49564f51e679a ............................................................................................................................................................................... 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_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/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 941e668ccf070b9a219d3bc8afc49564f51e679a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:38:39,630 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:38:39,631 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:38:39,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:38:39,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:38:39,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:38:39,641 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:38:39,642 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:38:39,643 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:38:39,644 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:38:39,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:38:39,645 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:38:39,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:38:39,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:38:39,647 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:38:39,647 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:38:39,648 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:38:39,649 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:38:39,650 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:38:39,651 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:38:39,652 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:38:39,653 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:38:39,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:38:39,655 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:38:39,655 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:38:39,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:38:39,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:38:39,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:38:39,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:38:39,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:38:39,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:38:39,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:38:39,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:38:39,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:38:39,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:38:39,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:38:39,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:38:39,668 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:38:39,668 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:38:39,669 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:38:39,669 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:38:39,669 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:38:39,669 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:38:39,669 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:38:39,669 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:38:39,670 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:38:39,670 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:38:39,670 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:38:39,670 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:38:39,670 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:38:39,671 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:38:39,671 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:38:39,671 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:38:39,671 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:38:39,671 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:38:39,671 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:38:39,671 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:38:39,672 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:38:39,672 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:38:39,672 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:38:39,672 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:38:39,672 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:38:39,672 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:38:39,672 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:38:39,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:38:39,673 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:38:39,673 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:38:39,673 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:38:39,673 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:38:39,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:38:39,675 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:38:39,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:38:39,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:38:39,675 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:38:39,675 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_9eb6bc31-dde7-4882-a66d-c0695162c539/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 -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2018-11-18 09:38:39,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:38:39,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:38:39,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:38:39,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:38:39,712 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:38:39,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 09:38:39,753 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/688ec728c/668e9ee5a12d4876b6e445f41b7d8da6/FLAG27199b2bc [2018-11-18 09:38:40,198 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:38:40,199 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 09:38:40,208 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/688ec728c/668e9ee5a12d4876b6e445f41b7d8da6/FLAG27199b2bc [2018-11-18 09:38:40,217 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/688ec728c/668e9ee5a12d4876b6e445f41b7d8da6 [2018-11-18 09:38:40,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:38:40,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:38:40,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:38:40,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:38:40,223 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:38:40,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:38:40" (1/1) ... [2018-11-18 09:38:40,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f10d5b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:40, skipping insertion in model container [2018-11-18 09:38:40,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:38:40" (1/1) ... [2018-11-18 09:38:40,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:38:40,260 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:38:40,575 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: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1298) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1302) 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:994) 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:2129) 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:661) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2129) 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:2129) 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:1464) 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:959) 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:1324) 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:3277) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2079) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:535) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 09:38:40,578 INFO L168 Benchmark]: Toolchain (without parser) took 358.13 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 943.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:40,579 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:38:40,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.55 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 943.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:38:40,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.55 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 943.1 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 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: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-5842f4b [2018-11-18 09:38:41,809 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:38:41,810 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:38:41,819 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:38:41,819 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:38:41,820 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:38:41,821 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:38:41,822 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:38:41,823 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:38:41,823 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:38:41,824 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:38:41,824 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:38:41,825 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:38:41,826 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:38:41,826 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:38:41,827 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:38:41,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:38:41,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:38:41,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:38:41,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:38:41,832 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:38:41,833 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:38:41,835 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:38:41,835 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:38:41,835 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:38:41,836 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:38:41,837 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:38:41,837 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:38:41,838 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:38:41,839 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:38:41,839 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:38:41,839 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:38:41,840 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:38:41,840 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:38:41,840 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:38:41,841 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:38:41,841 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 09:38:41,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:38:41,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:38:41,851 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:38:41,852 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:38:41,852 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:38:41,852 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:38:41,852 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:38:41,852 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:38:41,852 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:38:41,852 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:38:41,854 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:38:41,854 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:38:41,854 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:38:41,854 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:38:41,854 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:38:41,854 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:38:41,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:38:41,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:38:41,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:38:41,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:38:41,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:38:41,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:38:41,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:38:41,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:38:41,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:38:41,857 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 09:38:41,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:38:41,857 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:38:41,857 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:38:41,859 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_9eb6bc31-dde7-4882-a66d-c0695162c539/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 -> 941e668ccf070b9a219d3bc8afc49564f51e679a [2018-11-18 09:38:41,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:38:41,898 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:38:41,901 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:38:41,902 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:38:41,903 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:38:41,903 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 09:38:41,948 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/630b1c428/463669942cbb483db7ee61be8bc2d0a7/FLAG3f7b069f7 [2018-11-18 09:38:42,334 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:38:42,335 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-11-18 09:38:42,346 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/630b1c428/463669942cbb483db7ee61be8bc2d0a7/FLAG3f7b069f7 [2018-11-18 09:38:42,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/data/630b1c428/463669942cbb483db7ee61be8bc2d0a7 [2018-11-18 09:38:42,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:38:42,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:38:42,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:38:42,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:38:42,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:38:42,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:38:42" (1/1) ... [2018-11-18 09:38:42,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51a8156e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:42, skipping insertion in model container [2018-11-18 09:38:42,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:38:42" (1/1) ... [2018-11-18 09:38:42,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:38:42,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:38:43,125 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:38:43,129 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:38:43,165 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:38:43,321 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:38:43,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43 WrapperNode [2018-11-18 09:38:43,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:38:43,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:38:43,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:38:43,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:38:43,327 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:38:43,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:38:43,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:38:43,390 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:38:43,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... [2018-11-18 09:38:43,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:38:43,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:38:43,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:38:43,411 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:38:43,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/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 [2018-11-18 09:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:38:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:38:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:38:43,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:38:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:38:50,481 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:38:50,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:38:50 BoogieIcfgContainer [2018-11-18 09:38:50,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:38:50,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:38:50,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:38:50,484 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:38:50,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:38:42" (1/3) ... [2018-11-18 09:38:50,484 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe4e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:38:50, skipping insertion in model container [2018-11-18 09:38:50,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:38:43" (2/3) ... [2018-11-18 09:38:50,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe4e317 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:38:50, skipping insertion in model container [2018-11-18 09:38:50,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:38:50" (3/3) ... [2018-11-18 09:38:50,486 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-11-18 09:38:50,492 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:38:50,496 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-11-18 09:38:50,505 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-11-18 09:38:50,523 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:38:50,524 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:38:50,524 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:38:50,524 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:38:50,524 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:38:50,524 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:38:50,524 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:38:50,524 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:38:50,525 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:38:50,537 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-11-18 09:38:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-18 09:38:50,540 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:38:50,541 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:38:50,542 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:38:50,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:38:50,546 INFO L82 PathProgramCache]: Analyzing trace with hash -51320395, now seen corresponding path program 1 times [2018-11-18 09:38:50,548 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:38:50,549 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/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 [2018-11-18 09:38:50,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:38:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:38:50,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:38:50,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:38:50,611 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:38:50,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:38:50,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:38:50,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:38:50,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:38:50,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:38:50,636 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 3 states. [2018-11-18 09:38:55,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:38:55,595 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2018-11-18 09:38:55,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:38:55,615 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-18 09:38:55,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:38:55,620 INFO L225 Difference]: With dead ends: 94 [2018-11-18 09:38:55,621 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 09:38:55,623 INFO L604 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 [2018-11-18 09:38:55,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 09:38:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-11-18 09:38:55,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 09:38:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-11-18 09:38:55,645 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 7 [2018-11-18 09:38:55,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:38:55,646 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-11-18 09:38:55,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:38:55,646 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-11-18 09:38:55,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 09:38:55,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:38:55,646 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:38:55,647 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:38:55,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:38:55,647 INFO L82 PathProgramCache]: Analyzing trace with hash -2074134857, now seen corresponding path program 1 times [2018-11-18 09:38:55,647 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:38:55,647 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 09:38:55,657 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:38:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:38:55,673 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:38:55,809 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 8 [2018-11-18 09:38:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:38:55,817 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:38:55,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:38:55,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:38:55,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:38:55,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:38:55,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:38:55,827 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 4 states. [2018-11-18 09:39:02,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:02,527 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-11-18 09:39:02,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:39:02,537 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-11-18 09:39:02,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:02,538 INFO L225 Difference]: With dead ends: 43 [2018-11-18 09:39:02,538 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 09:39:02,539 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:39:02,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 09:39:02,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 09:39:02,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 09:39:02,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-11-18 09:39:02,542 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 9 [2018-11-18 09:39:02,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:02,542 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-11-18 09:39:02,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:39:02,543 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-11-18 09:39:02,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 09:39:02,543 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:02,543 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:02,544 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:39:02,544 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:02,544 INFO L82 PathProgramCache]: Analyzing trace with hash 126332959, now seen corresponding path program 1 times [2018-11-18 09:39:02,544 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:39:02,544 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-18 09:39:02,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:02,560 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:02,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:02,572 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:02,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:02,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:39:02,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:02,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:02,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:02,580 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 3 states. [2018-11-18 09:39:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:06,996 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-11-18 09:39:07,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:07,002 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-11-18 09:39:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:07,002 INFO L225 Difference]: With dead ends: 37 [2018-11-18 09:39:07,002 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 09:39:07,003 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:07,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 09:39:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-18 09:39:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 09:39:07,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-11-18 09:39:07,006 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 10 [2018-11-18 09:39:07,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:07,006 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-11-18 09:39:07,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:07,006 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-11-18 09:39:07,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-18 09:39:07,006 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:07,007 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:07,007 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:39:07,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:07,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1147014337, now seen corresponding path program 1 times [2018-11-18 09:39:07,007 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:39:07,008 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-18 09:39:07,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:07,031 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:07,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:07,189 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:07,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:07,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:39:07,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:39:07,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:39:07,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:39:07,197 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 4 states. [2018-11-18 09:39:09,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:09,892 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-11-18 09:39:09,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:39:09,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-18 09:39:09,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:09,898 INFO L225 Difference]: With dead ends: 33 [2018-11-18 09:39:09,898 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 09:39:09,899 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:39:09,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 09:39:09,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-18 09:39:09,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 09:39:09,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-11-18 09:39:09,901 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 12 [2018-11-18 09:39:09,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:09,901 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-11-18 09:39:09,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:39:09,901 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-11-18 09:39:09,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 09:39:09,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:09,902 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:09,902 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:39:09,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:09,902 INFO L82 PathProgramCache]: Analyzing trace with hash 1197710182, now seen corresponding path program 1 times [2018-11-18 09:39:09,902 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:39:09,903 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-18 09:39:09,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:09,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:09,938 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:09,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:09,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:39:09,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:09,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:09,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:09,947 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 3 states. [2018-11-18 09:39:13,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:13,264 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-11-18 09:39:13,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:13,269 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 09:39:13,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:13,270 INFO L225 Difference]: With dead ends: 31 [2018-11-18 09:39:13,270 INFO L226 Difference]: Without dead ends: 27 [2018-11-18 09:39:13,270 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-11-18 09:39:13,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-11-18 09:39:13,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 09:39:13,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-11-18 09:39:13,273 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 13 [2018-11-18 09:39:13,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:13,273 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-11-18 09:39:13,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:13,273 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-11-18 09:39:13,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:39:13,273 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:13,274 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:13,274 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:39:13,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:13,274 INFO L82 PathProgramCache]: Analyzing trace with hash -51618866, now seen corresponding path program 1 times [2018-11-18 09:39:13,274 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:39:13,274 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 09:39:13,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:13,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:13,326 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:13,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:13,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:39:13,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:13,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:13,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:13,337 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 3 states. [2018-11-18 09:39:17,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:17,485 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-11-18 09:39:17,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:17,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:39:17,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:17,492 INFO L225 Difference]: With dead ends: 27 [2018-11-18 09:39:17,492 INFO L226 Difference]: Without dead ends: 25 [2018-11-18 09:39:17,492 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-18 09:39:17,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-11-18 09:39:17,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-18 09:39:17,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-11-18 09:39:17,495 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 15 [2018-11-18 09:39:17,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:17,495 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-11-18 09:39:17,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:17,495 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-11-18 09:39:17,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:39:17,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:17,496 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:17,496 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:39:17,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:17,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1600180719, now seen corresponding path program 1 times [2018-11-18 09:39:17,496 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:39:17,497 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 09:39:17,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:17,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:17,526 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:17,540 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:17,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:17,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:39:17,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:17,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:17,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:17,548 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 3 states. [2018-11-18 09:39:20,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:20,656 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-11-18 09:39:20,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:20,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-11-18 09:39:20,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:20,662 INFO L225 Difference]: With dead ends: 25 [2018-11-18 09:39:20,663 INFO L226 Difference]: Without dead ends: 20 [2018-11-18 09:39:20,663 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:20,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-18 09:39:20,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-18 09:39:20,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-18 09:39:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-11-18 09:39:20,664 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2018-11-18 09:39:20,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:20,665 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-11-18 09:39:20,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-11-18 09:39:20,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-18 09:39:20,665 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:39:20,665 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:39:20,666 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:39:20,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:39:20,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1137675106, now seen corresponding path program 1 times [2018-11-18 09:39:20,666 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:39:20,666 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 09:39:20,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:39:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:39:20,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:39:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:39:20,866 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:39:20,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:39:20,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:39:20,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:39:20,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:39:20,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:20,880 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 3 states. [2018-11-18 09:39:21,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:39:21,938 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-11-18 09:39:21,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:39:21,950 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-11-18 09:39:21,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:39:21,950 INFO L225 Difference]: With dead ends: 20 [2018-11-18 09:39:21,950 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:39:21,951 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:39:21,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:39:21,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:39:21,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:39:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:39:21,951 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-11-18 09:39:21,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:39:21,951 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:39:21,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:39:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:39:21,952 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:39:21,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:39:21,982 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 09:39:21,982 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point L374-2(line 374) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-11-18 09:39:21,982 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-11-18 09:39:21,983 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L370-3(line 370) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-11-18 09:39:21,984 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,985 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-18 09:39:21,985 INFO L425 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-18 09:39:21,985 INFO L425 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-11-18 09:39:21,985 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-11-18 09:39:21,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:39:21 BoogieIcfgContainer [2018-11-18 09:39:21,987 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:39:21,987 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:39:21,987 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:39:21,987 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:39:21,988 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:38:50" (3/4) ... [2018-11-18 09:39:21,990 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:39:21,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:39:21,994 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:39:21,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 09:39:21,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 09:39:21,997 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:39:22,030 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9eb6bc31-dde7-4882-a66d-c0695162c539/bin-2019/utaipan/witness.graphml [2018-11-18 09:39:22,031 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:39:22,031 INFO L168 Benchmark]: Toolchain (without parser) took 39321.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 947.9 MB in the beginning and 952.0 MB in the end (delta: -4.2 MB). Peak memory consumption was 124.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:22,032 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 09:39:22,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.76 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 829.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:22,033 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 829.7 MB in the beginning and 1.1 GB in the end (delta: -296.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:22,033 INFO L168 Benchmark]: Boogie Preprocessor took 19.95 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:22,035 INFO L168 Benchmark]: RCFGBuilder took 7071.29 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:22,035 INFO L168 Benchmark]: TraceAbstraction took 31504.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.0 MB in the end (delta: 155.1 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:39:22,036 INFO L168 Benchmark]: Witness Printer took 43.71 ms. Allocated memory is still 1.2 GB. Free memory is still 952.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:39:22,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 610.76 ms. Allocated memory is still 1.0 GB. Free memory was 947.9 MB in the beginning and 829.7 MB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 829.7 MB in the beginning and 1.1 GB in the end (delta: -296.5 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.95 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 7071.29 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: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31504.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 952.0 MB in the end (delta: 155.1 MB). Peak memory consumption was 155.1 MB. Max. memory is 11.5 GB. * Witness Printer took 43.71 ms. Allocated memory is still 1.2 GB. Free memory is still 952.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 379]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 378]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 373]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 382]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 383]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 381]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 388]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 374]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 380]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 52 locations, 13 error locations. SAFE Result, 31.4s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 30.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 142 SDtfs, 155 SDslu, 63 SDs, 0 SdLazy, 109 SolverSat, 6 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 29.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 8 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 101 NumberOfCodeBlocks, 101 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 93 ConstructedInterpolants, 0 QuantifiedInterpolants, 8886 SizeOfPredicates, 15 NumberOfNonLiveVariables, 177 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...