./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.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 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 0.1.23-635dfa2 [2018-12-03 04:01:21,986 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:01:21,987 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:01:21,993 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:01:21,993 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:01:21,994 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:01:21,995 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:01:21,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:01:21,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:01:21,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:01:21,997 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:01:21,997 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:01:21,998 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:01:21,998 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:01:21,999 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:01:21,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:01:22,000 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:01:22,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:01:22,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:01:22,002 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:01:22,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:01:22,003 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:01:22,004 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:01:22,005 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:01:22,005 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:01:22,005 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:01:22,006 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:01:22,006 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:01:22,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:01:22,007 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:01:22,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:01:22,008 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:01:22,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:01:22,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:01:22,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:01:22,009 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:01:22,009 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 04:01:22,016 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:01:22,016 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:01:22,017 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:01:22,017 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:01:22,017 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:01:22,017 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:01:22,017 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:01:22,018 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 04:01:22,018 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:01:22,018 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:01:22,018 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 04:01:22,018 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 04:01:22,018 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:01:22,019 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:01:22,019 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:01:22,020 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:01:22,020 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:01:22,020 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:01:22,021 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:01:22,021 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 04:01:22,021 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:01:22,021 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 04:01:22,021 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 04:01:22,021 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_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:22,038 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:01:22,045 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:01:22,047 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:01:22,048 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:01:22,048 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:01:22,048 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-12-03 04:01:22,084 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/41ecaa04e/43f18538fe454f688ec605bfbebd0b79/FLAG9f4a98526 [2018-12-03 04:01:22,544 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:01:22,544 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-12-03 04:01:22,550 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/41ecaa04e/43f18538fe454f688ec605bfbebd0b79/FLAG9f4a98526 [2018-12-03 04:01:22,559 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/41ecaa04e/43f18538fe454f688ec605bfbebd0b79 [2018-12-03 04:01:22,560 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:01:22,561 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:01:22,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:01:22,562 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:01:22,564 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:01:22,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:22" (1/1) ... [2018-12-03 04:01:22,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14e9f722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:22, skipping insertion in model container [2018-12-03 04:01:22,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:22" (1/1) ... [2018-12-03 04:01:22,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:01:22,590 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:01:22,821 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:845) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1668) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:208) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1320) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:998) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:665) 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:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2291) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1482) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:963) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1342) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2241) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-12-03 04:01:22,824 INFO L168 Benchmark]: Toolchain (without parser) took 262.77 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 937.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:01:22,825 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:01:22,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.30 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 937.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:01:22,826 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 261.30 ms. Allocated memory is still 1.0 GB. Free memory was 948.1 MB in the beginning and 937.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 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:845) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 04:01:23,924 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 04:01:23,925 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 04:01:23,931 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 04:01:23,932 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 04:01:23,932 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 04:01:23,933 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 04:01:23,933 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 04:01:23,934 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 04:01:23,935 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 04:01:23,935 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 04:01:23,935 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 04:01:23,936 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 04:01:23,936 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 04:01:23,937 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 04:01:23,937 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 04:01:23,937 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 04:01:23,938 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 04:01:23,939 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 04:01:23,940 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 04:01:23,940 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 04:01:23,941 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 04:01:23,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 04:01:23,942 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 04:01:23,942 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 04:01:23,942 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 04:01:23,943 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 04:01:23,943 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 04:01:23,944 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 04:01:23,944 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 04:01:23,944 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 04:01:23,945 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 04:01:23,945 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 04:01:23,945 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 04:01:23,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 04:01:23,946 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 04:01:23,946 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 04:01:23,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 04:01:23,953 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 04:01:23,954 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 04:01:23,954 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 04:01:23,954 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 04:01:23,954 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 04:01:23,954 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 04:01:23,954 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 04:01:23,954 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 04:01:23,954 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 04:01:23,955 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 04:01:23,955 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 04:01:23,956 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 04:01:23,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:01:23,957 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 04:01:23,957 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 04:01:23,957 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 04:01:23,957 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 04:01:23,957 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 04:01:23,957 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 04:01:23,957 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 04:01:23,957 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_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:23,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 04:01:23,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 04:01:23,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 04:01:23,984 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 04:01:23,985 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 04:01:23,985 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-12-03 04:01:24,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/ef0ade495/ebe7863313774a0cb9fcb59722a19876/FLAG203426bd3 [2018-12-03 04:01:24,483 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 04:01:24,484 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/sv-benchmarks/c/floats-cbmc-regression/float21_true-unreach-call.i [2018-12-03 04:01:24,490 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/ef0ade495/ebe7863313774a0cb9fcb59722a19876/FLAG203426bd3 [2018-12-03 04:01:24,498 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/data/ef0ade495/ebe7863313774a0cb9fcb59722a19876 [2018-12-03 04:01:24,500 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 04:01:24,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 04:01:24,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 04:01:24,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 04:01:24,503 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 04:01:24,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:24,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571a16f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24, skipping insertion in model container [2018-12-03 04:01:24,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:24,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 04:01:24,530 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 04:01:24,792 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:01:24,796 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 04:01:24,824 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 04:01:24,964 INFO L195 MainTranslator]: Completed translation [2018-12-03 04:01:24,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24 WrapperNode [2018-12-03 04:01:24,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 04:01:24,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 04:01:24,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 04:01:24,965 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 04:01:25,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 04:01:25,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 04:01:25,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 04:01:25,023 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 04:01:25,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,035 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,037 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... [2018-12-03 04:01:25,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 04:01:25,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 04:01:25,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 04:01:25,039 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 04:01:25,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 04:01:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 04:01:25,069 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 04:01:25,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 04:01:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 04:01:25,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 04:01:25,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 04:01:32,005 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 04:01:32,005 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-12-03 04:01:32,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:32 BoogieIcfgContainer [2018-12-03 04:01:32,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 04:01:32,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 04:01:32,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 04:01:32,008 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 04:01:32,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 04:01:24" (1/3) ... [2018-12-03 04:01:32,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7876e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:01:32, skipping insertion in model container [2018-12-03 04:01:32,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:01:24" (2/3) ... [2018-12-03 04:01:32,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f7876e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 04:01:32, skipping insertion in model container [2018-12-03 04:01:32,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:32" (3/3) ... [2018-12-03 04:01:32,010 INFO L112 eAbstractionObserver]: Analyzing ICFG float21_true-unreach-call.i [2018-12-03 04:01:32,015 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 04:01:32,020 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-12-03 04:01:32,028 INFO L257 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2018-12-03 04:01:32,045 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 04:01:32,045 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 04:01:32,045 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 04:01:32,045 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 04:01:32,046 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 04:01:32,046 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 04:01:32,046 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 04:01:32,046 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 04:01:32,046 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 04:01:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-12-03 04:01:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-12-03 04:01:32,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:32,060 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:32,061 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:32,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:32,064 INFO L82 PathProgramCache]: Analyzing trace with hash -51320395, now seen corresponding path program 1 times [2018-12-03 04:01:32,066 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:32,067 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-03 04:01:32,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:32,094 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:32,125 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:32,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:32,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:01:32,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:01:32,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:01:32,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:32,145 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 3 states. [2018-12-03 04:01:35,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:35,624 INFO L93 Difference]: Finished difference Result 94 states and 117 transitions. [2018-12-03 04:01:35,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:01:35,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-12-03 04:01:35,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:35,652 INFO L225 Difference]: With dead ends: 94 [2018-12-03 04:01:35,652 INFO L226 Difference]: Without dead ends: 43 [2018-12-03 04:01:35,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:35,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-03 04:01:35,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-12-03 04:01:35,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-03 04:01:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 42 transitions. [2018-12-03 04:01:35,676 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 42 transitions. Word has length 7 [2018-12-03 04:01:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:35,677 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 42 transitions. [2018-12-03 04:01:35,677 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:01:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 42 transitions. [2018-12-03 04:01:35,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-03 04:01:35,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:35,677 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:35,678 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:35,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:35,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2074134857, now seen corresponding path program 1 times [2018-12-03 04:01:35,678 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:35,678 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:35,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:35,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:35,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:35,769 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:35,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:35,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 04:01:35,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 04:01:35,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 04:01:35,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 04:01:35,778 INFO L87 Difference]: Start difference. First operand 43 states and 42 transitions. Second operand 4 states. [2018-12-03 04:01:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:42,251 INFO L93 Difference]: Finished difference Result 43 states and 42 transitions. [2018-12-03 04:01:42,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 04:01:42,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-12-03 04:01:42,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:42,261 INFO L225 Difference]: With dead ends: 43 [2018-12-03 04:01:42,261 INFO L226 Difference]: Without dead ends: 37 [2018-12-03 04:01:42,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 04:01:42,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-12-03 04:01:42,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-12-03 04:01:42,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-12-03 04:01:42,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 36 transitions. [2018-12-03 04:01:42,264 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 36 transitions. Word has length 9 [2018-12-03 04:01:42,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:42,264 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 36 transitions. [2018-12-03 04:01:42,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 04:01:42,264 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 36 transitions. [2018-12-03 04:01:42,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-03 04:01:42,264 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:42,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:42,265 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:42,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:42,265 INFO L82 PathProgramCache]: Analyzing trace with hash 126332959, now seen corresponding path program 1 times [2018-12-03 04:01:42,265 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:42,265 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:42,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:42,281 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:42,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:42,291 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:42,302 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:42,302 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:01:42,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:01:42,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:01:42,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:42,303 INFO L87 Difference]: Start difference. First operand 37 states and 36 transitions. Second operand 3 states. [2018-12-03 04:01:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:46,240 INFO L93 Difference]: Finished difference Result 37 states and 36 transitions. [2018-12-03 04:01:46,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:01:46,246 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-03 04:01:46,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:46,247 INFO L225 Difference]: With dead ends: 37 [2018-12-03 04:01:46,247 INFO L226 Difference]: Without dead ends: 33 [2018-12-03 04:01:46,247 INFO L631 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 [2018-12-03 04:01:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-03 04:01:46,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-03 04:01:46,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-03 04:01:46,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 32 transitions. [2018-12-03 04:01:46,250 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 32 transitions. Word has length 10 [2018-12-03 04:01:46,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:46,250 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 32 transitions. [2018-12-03 04:01:46,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:01:46,250 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 32 transitions. [2018-12-03 04:01:46,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-03 04:01:46,251 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:46,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:46,251 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:46,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:46,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1147014337, now seen corresponding path program 1 times [2018-12-03 04:01:46,252 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:46,252 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:46,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:46,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:46,384 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:46,392 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:46,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 04:01:46,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 04:01:46,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 04:01:46,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 04:01:46,393 INFO L87 Difference]: Start difference. First operand 33 states and 32 transitions. Second operand 4 states. [2018-12-03 04:01:49,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:49,131 INFO L93 Difference]: Finished difference Result 33 states and 32 transitions. [2018-12-03 04:01:49,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 04:01:49,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-12-03 04:01:49,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:49,137 INFO L225 Difference]: With dead ends: 33 [2018-12-03 04:01:49,137 INFO L226 Difference]: Without dead ends: 31 [2018-12-03 04:01:49,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 04:01:49,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-03 04:01:49,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-03 04:01:49,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-03 04:01:49,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 30 transitions. [2018-12-03 04:01:49,139 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 30 transitions. Word has length 12 [2018-12-03 04:01:49,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:49,139 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 30 transitions. [2018-12-03 04:01:49,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 04:01:49,140 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 30 transitions. [2018-12-03 04:01:49,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-03 04:01:49,140 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:49,140 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:49,140 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:49,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:49,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1197710182, now seen corresponding path program 1 times [2018-12-03 04:01:49,140 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:49,141 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:49,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:49,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:49,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:49,175 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:49,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:49,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:01:49,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:01:49,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:01:49,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:49,184 INFO L87 Difference]: Start difference. First operand 31 states and 30 transitions. Second operand 3 states. [2018-12-03 04:01:52,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:52,092 INFO L93 Difference]: Finished difference Result 31 states and 30 transitions. [2018-12-03 04:01:52,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:01:52,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-03 04:01:52,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:52,098 INFO L225 Difference]: With dead ends: 31 [2018-12-03 04:01:52,098 INFO L226 Difference]: Without dead ends: 27 [2018-12-03 04:01:52,099 INFO L631 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 [2018-12-03 04:01:52,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-12-03 04:01:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-12-03 04:01:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-12-03 04:01:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-12-03 04:01:52,100 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 13 [2018-12-03 04:01:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:52,100 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-12-03 04:01:52,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:01:52,101 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-12-03 04:01:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-03 04:01:52,101 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:52,101 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:52,101 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:52,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:52,101 INFO L82 PathProgramCache]: Analyzing trace with hash -51618866, now seen corresponding path program 1 times [2018-12-03 04:01:52,101 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:52,101 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:52,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:52,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:52,146 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:52,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:52,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:01:52,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:01:52,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:01:52,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:52,154 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 3 states. [2018-12-03 04:01:56,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:56,239 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2018-12-03 04:01:56,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:01:56,245 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-12-03 04:01:56,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:56,245 INFO L225 Difference]: With dead ends: 27 [2018-12-03 04:01:56,245 INFO L226 Difference]: Without dead ends: 25 [2018-12-03 04:01:56,245 INFO L631 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 [2018-12-03 04:01:56,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-03 04:01:56,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-03 04:01:56,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-03 04:01:56,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2018-12-03 04:01:56,247 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 15 [2018-12-03 04:01:56,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:56,247 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2018-12-03 04:01:56,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:01:56,247 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2018-12-03 04:01:56,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-12-03 04:01:56,248 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:56,248 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:56,248 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:56,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:56,248 INFO L82 PathProgramCache]: Analyzing trace with hash -1600180719, now seen corresponding path program 1 times [2018-12-03 04:01:56,248 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:56,248 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:56,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:56,278 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:56,291 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:56,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:56,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:01:56,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:01:56,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:01:56,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:56,299 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand 3 states. [2018-12-03 04:01:59,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:01:59,708 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2018-12-03 04:01:59,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:01:59,713 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-12-03 04:01:59,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:01:59,714 INFO L225 Difference]: With dead ends: 25 [2018-12-03 04:01:59,714 INFO L226 Difference]: Without dead ends: 20 [2018-12-03 04:01:59,714 INFO L631 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 [2018-12-03 04:01:59,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-12-03 04:01:59,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-12-03 04:01:59,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-12-03 04:01:59,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-12-03 04:01:59,715 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 16 [2018-12-03 04:01:59,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:01:59,715 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-12-03 04:01:59,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:01:59,716 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-12-03 04:01:59,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-03 04:01:59,716 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 04:01:59,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 04:01:59,716 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 04:01:59,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 04:01:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1137675106, now seen corresponding path program 1 times [2018-12-03 04:01:59,716 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 04:01:59,716 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/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 [2018-12-03 04:01:59,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 04:01:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 04:01:59,888 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 04:01:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 04:01:59,905 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 04:01:59,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 04:01:59,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 04:01:59,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 04:01:59,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 04:01:59,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 04:01:59,914 INFO L87 Difference]: Start difference. First operand 20 states and 19 transitions. Second operand 3 states. [2018-12-03 04:02:00,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 04:02:00,932 INFO L93 Difference]: Finished difference Result 20 states and 19 transitions. [2018-12-03 04:02:00,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 04:02:00,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2018-12-03 04:02:00,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 04:02:00,944 INFO L225 Difference]: With dead ends: 20 [2018-12-03 04:02:00,944 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 04:02:00,944 INFO L631 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 [2018-12-03 04:02:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 04:02:00,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 04:02:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 04:02:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 04:02:00,944 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2018-12-03 04:02:00,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 04:02:00,945 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 04:02:00,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 04:02:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 04:02:00,945 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 04:02:00,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 04:02:00,972 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 04:02:00,972 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point L382(line 382) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point L382-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 364 390) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point L374(line 374) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point L374-2(line 374) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-12-03 04:02:00,972 INFO L448 ceAbstractionStarter]: For program point L383-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 373) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L384(line 384) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 377) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L384-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 388) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 364 390) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 382) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L385(line 385) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L385-2(line 385) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 364 390) the Hoare annotation is: true [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 374) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point L377-3(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 378) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 385) no Hoare annotation was computed. [2018-12-03 04:02:00,973 INFO L448 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 383) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L378(line 378) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L370(line 370) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L370-1(line 370) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L370-3(line 370) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L379(line 379) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 379) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L388(line 388) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L388-1(line 388) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L388-3(line 388) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L380-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L381(line 381) no Hoare annotation was computed. [2018-12-03 04:02:00,974 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,975 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-12-03 04:02:00,975 INFO L448 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-12-03 04:02:00,975 INFO L448 ceAbstractionStarter]: For program point L373-3(lines 365 390) no Hoare annotation was computed. [2018-12-03 04:02:00,975 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-12-03 04:02:00,975 INFO L448 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 384) no Hoare annotation was computed. [2018-12-03 04:02:00,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 04:02:00 BoogieIcfgContainer [2018-12-03 04:02:00,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 04:02:00,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 04:02:00,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 04:02:00,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 04:02:00,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:01:32" (3/4) ... [2018-12-03 04:02:00,980 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 04:02:00,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 04:02:00,984 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 04:02:00,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 04:02:00,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 04:02:00,987 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 04:02:01,020 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_82d7c1b3-9823-4bc2-be54-874383acd974/bin-2019/utaipan/witness.graphml [2018-12-03 04:02:01,020 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 04:02:01,021 INFO L168 Benchmark]: Toolchain (without parser) took 36521.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 938.0 MB in the beginning and 951.1 MB in the end (delta: -13.1 MB). Peak memory consumption was 119.0 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:01,022 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:02:01,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.39 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:01,023 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -295.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:01,023 INFO L168 Benchmark]: Boogie Preprocessor took 15.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 04:02:01,024 INFO L168 Benchmark]: RCFGBuilder took 6967.27 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:01,024 INFO L168 Benchmark]: TraceAbstraction took 28970.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 144.9 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:01,024 INFO L168 Benchmark]: Witness Printer took 43.63 ms. Allocated memory is still 1.2 GB. Free memory was 956.7 MB in the beginning and 951.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. [2018-12-03 04:02:01,026 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 463.39 ms. Allocated memory is still 1.0 GB. Free memory was 938.0 MB in the beginning and 830.6 MB in the end (delta: 107.4 MB). Peak memory consumption was 107.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 830.6 MB in the beginning and 1.1 GB in the end (delta: -295.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 6967.27 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28970.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 956.7 MB in the end (delta: 144.9 MB). Peak memory consumption was 144.9 MB. Max. memory is 11.5 GB. * Witness Printer took 43.63 ms. Allocated memory is still 1.2 GB. Free memory was 956.7 MB in the beginning and 951.1 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 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: 385]: 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 - PositiveResult [Line: 384]: 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: 374]: 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: 378]: 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: 388]: 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, 28.9s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 28.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 141 SDtfs, 168 SDslu, 53 SDs, 0 SdLazy, 111 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 6 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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, 0.3s 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...