./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/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 873a52cd9da07923b033dc81bcbee63b58583ce3 ................................................................................................................................................................................ 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_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/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 873a52cd9da07923b033dc81bcbee63b58583ce3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:55:38,880 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:55:38,881 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:55:38,887 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:55:38,888 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:55:38,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:55:38,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:55:38,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:55:38,895 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:55:38,896 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:55:38,896 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:55:38,896 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:55:38,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:55:38,897 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:55:38,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:55:38,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:55:38,899 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:55:38,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:55:38,901 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:55:38,902 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:55:38,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:55:38,903 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:55:38,905 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:55:38,905 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:55:38,905 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:55:38,906 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:55:38,906 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:55:38,907 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:55:38,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:55:38,908 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:55:38,908 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:55:38,909 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:55:38,909 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:55:38,909 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:55:38,910 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:55:38,910 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:55:38,910 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 07:55:38,917 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:55:38,918 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:55:38,918 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:55:38,918 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:55:38,918 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:55:38,918 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:55:38,919 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 07:55:38,919 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:55:38,919 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 07:55:38,919 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 07:55:38,919 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:55:38,919 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:55:38,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:55:38,921 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:55:38,921 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:55:38,921 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:55:38,921 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:55:38,921 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:55:38,921 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:55:38,921 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:55:38,921 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:55:38,922 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:55:38,922 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 07:55:38,922 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:55:38,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:55:38,922 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:55:38,922 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_7f77ccd8-50e5-4de0-8091-970b24a2fda3/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 -> 873a52cd9da07923b033dc81bcbee63b58583ce3 [2018-11-10 07:55:38,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:55:38,955 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:55:38,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:55:38,958 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:55:38,959 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:55:38,959 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-11-10 07:55:39,007 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/54d48df05/1900d39f8c48467494b34dc0ecb69cd8/FLAG327e30d12 [2018-11-10 07:55:39,495 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:55:39,496 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-11-10 07:55:39,507 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/54d48df05/1900d39f8c48467494b34dc0ecb69cd8/FLAG327e30d12 [2018-11-10 07:55:39,518 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/54d48df05/1900d39f8c48467494b34dc0ecb69cd8 [2018-11-10 07:55:39,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:55:39,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:55:39,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:55:39,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:55:39,526 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:55:39,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:55:39" (1/1) ... [2018-11-10 07:55:39,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c090c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:39, skipping insertion in model container [2018-11-10 07:55:39,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:55:39" (1/1) ... [2018-11-10 07:55:39,537 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:55:39,576 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:55:39,899 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:995) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:662) 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:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2169) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1511) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:364) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3316) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2119) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:537) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:188) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:129) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-10 07:55:39,901 INFO L168 Benchmark]: Toolchain (without parser) took 379.51 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:39,902 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:55:39,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.70 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:39,904 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.70 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 945.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:55:41,169 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:55:41,171 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:55:41,181 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:55:41,181 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:55:41,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:55:41,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:55:41,184 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:55:41,186 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:55:41,186 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:55:41,187 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:55:41,187 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:55:41,188 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:55:41,189 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:55:41,190 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:55:41,190 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:55:41,191 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:55:41,192 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:55:41,194 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:55:41,195 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:55:41,196 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:55:41,197 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:55:41,198 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:55:41,199 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:55:41,199 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:55:41,199 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:55:41,200 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:55:41,201 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:55:41,201 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:55:41,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:55:41,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:55:41,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:55:41,203 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:55:41,203 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:55:41,204 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:55:41,204 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:55:41,204 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 07:55:41,215 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:55:41,215 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:55:41,215 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:55:41,216 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:55:41,216 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:55:41,216 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:55:41,216 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:55:41,216 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:55:41,217 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:55:41,217 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:55:41,217 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:55:41,217 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:55:41,217 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:55:41,217 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:55:41,218 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:55:41,218 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 07:55:41,218 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 07:55:41,218 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:55:41,218 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:55:41,218 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:55:41,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:55:41,219 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:55:41,219 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:55:41,219 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:55:41,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:55:41,219 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:55:41,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:55:41,219 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:55:41,220 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 07:55:41,220 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:55:41,220 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 07:55:41,220 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 07:55:41,220 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_7f77ccd8-50e5-4de0-8091-970b24a2fda3/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 -> 873a52cd9da07923b033dc81bcbee63b58583ce3 [2018-11-10 07:55:41,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:55:41,259 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:55:41,262 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:55:41,263 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:55:41,263 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:55:41,264 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-11-10 07:55:41,314 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/503acdc29/09fce515353e44af8198865b82e3b721/FLAG15a8a4dbb [2018-11-10 07:55:41,700 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:55:41,700 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-11-10 07:55:41,710 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/503acdc29/09fce515353e44af8198865b82e3b721/FLAG15a8a4dbb [2018-11-10 07:55:41,720 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/data/503acdc29/09fce515353e44af8198865b82e3b721 [2018-11-10 07:55:41,721 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:55:41,722 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:55:41,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:55:41,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:55:41,726 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:55:41,727 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:55:41" (1/1) ... [2018-11-10 07:55:41,729 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@773a4f98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:41, skipping insertion in model container [2018-11-10 07:55:41,729 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:55:41" (1/1) ... [2018-11-10 07:55:41,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:55:41,775 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:55:42,173 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:55:42,176 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:55:42,231 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:55:42,422 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:55:42,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42 WrapperNode [2018-11-10 07:55:42,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:55:42,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:55:42,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:55:42,424 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:55:42,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:55:42,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:55:42,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:55:42,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:55:42,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... [2018-11-10 07:55:42,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:55:42,550 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:55:42,550 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:55:42,550 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:55:42,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:55:42,592 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:55:42,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:55:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:55:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:55:42,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:55:42,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:55:43,159 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:55:43,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:55:43 BoogieIcfgContainer [2018-11-10 07:55:43,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:55:43,160 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:55:43,160 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:55:43,162 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:55:43,162 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:55:41" (1/3) ... [2018-11-10 07:55:43,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22212214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:55:43, skipping insertion in model container [2018-11-10 07:55:43,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:55:42" (2/3) ... [2018-11-10 07:55:43,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22212214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:55:43, skipping insertion in model container [2018-11-10 07:55:43,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:55:43" (3/3) ... [2018-11-10 07:55:43,164 INFO L112 eAbstractionObserver]: Analyzing ICFG float-flags-simp1_true-unreach-call.i [2018-11-10 07:55:43,170 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:55:43,176 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2018-11-10 07:55:43,186 INFO L257 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2018-11-10 07:55:43,206 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 07:55:43,207 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:55:43,207 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:55:43,207 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:55:43,207 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:55:43,207 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:55:43,207 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:55:43,207 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:55:43,207 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:55:43,223 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2018-11-10 07:55:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 07:55:43,226 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,226 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,228 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,232 INFO L82 PathProgramCache]: Analyzing trace with hash 969950236, now seen corresponding path program 1 times [2018-11-10 07:55:43,235 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,235 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,239 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:43,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:43,417 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 5 [2018-11-10 07:55:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:43,423 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:43,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:43,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:55:43,434 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:55:43,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:55:43,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:55:43,443 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 3 states. [2018-11-10 07:55:43,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:43,481 INFO L93 Difference]: Finished difference Result 408 states and 603 transitions. [2018-11-10 07:55:43,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:55:43,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 07:55:43,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:43,491 INFO L225 Difference]: With dead ends: 408 [2018-11-10 07:55:43,491 INFO L226 Difference]: Without dead ends: 193 [2018-11-10 07:55:43,494 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:55:43,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-11-10 07:55:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-11-10 07:55:43,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-10 07:55:43,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 192 transitions. [2018-11-10 07:55:43,526 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 192 transitions. Word has length 8 [2018-11-10 07:55:43,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:43,527 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 192 transitions. [2018-11-10 07:55:43,527 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:55:43,527 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 192 transitions. [2018-11-10 07:55:43,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:55:43,527 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,528 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,528 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1728406426, now seen corresponding path program 1 times [2018-11-10 07:55:43,529 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,529 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-11-10 07:55:43,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:43,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:43,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:43,582 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:43,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:43,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:43,590 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:43,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:43,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:43,591 INFO L87 Difference]: Start difference. First operand 193 states and 192 transitions. Second operand 4 states. [2018-11-10 07:55:43,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:43,626 INFO L93 Difference]: Finished difference Result 193 states and 192 transitions. [2018-11-10 07:55:43,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:43,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-11-10 07:55:43,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:43,627 INFO L225 Difference]: With dead ends: 193 [2018-11-10 07:55:43,628 INFO L226 Difference]: Without dead ends: 191 [2018-11-10 07:55:43,628 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:43,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-11-10 07:55:43,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-11-10 07:55:43,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-11-10 07:55:43,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 190 transitions. [2018-11-10 07:55:43,637 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 190 transitions. Word has length 12 [2018-11-10 07:55:43,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:43,637 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 190 transitions. [2018-11-10 07:55:43,637 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:43,637 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 190 transitions. [2018-11-10 07:55:43,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 07:55:43,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,638 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,638 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,638 INFO L82 PathProgramCache]: Analyzing trace with hash 794139888, now seen corresponding path program 1 times [2018-11-10 07:55:43,638 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,639 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:43,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:43,677 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:43,684 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:43,684 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:43,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:43,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:43,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:43,685 INFO L87 Difference]: Start difference. First operand 191 states and 190 transitions. Second operand 4 states. [2018-11-10 07:55:43,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:43,699 INFO L93 Difference]: Finished difference Result 191 states and 190 transitions. [2018-11-10 07:55:43,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:43,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-11-10 07:55:43,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:43,700 INFO L225 Difference]: With dead ends: 191 [2018-11-10 07:55:43,700 INFO L226 Difference]: Without dead ends: 189 [2018-11-10 07:55:43,701 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:43,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-11-10 07:55:43,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-11-10 07:55:43,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-11-10 07:55:43,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 188 transitions. [2018-11-10 07:55:43,707 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 188 transitions. Word has length 16 [2018-11-10 07:55:43,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:43,707 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 188 transitions. [2018-11-10 07:55:43,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:43,707 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 188 transitions. [2018-11-10 07:55:43,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 07:55:43,708 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,708 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,708 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,708 INFO L82 PathProgramCache]: Analyzing trace with hash 668149178, now seen corresponding path program 1 times [2018-11-10 07:55:43,709 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,709 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:43,724 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:43,767 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:43,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:43,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:43,778 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:43,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:43,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:43,779 INFO L87 Difference]: Start difference. First operand 189 states and 188 transitions. Second operand 4 states. [2018-11-10 07:55:43,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:43,803 INFO L93 Difference]: Finished difference Result 189 states and 188 transitions. [2018-11-10 07:55:43,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:43,803 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-11-10 07:55:43,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:43,804 INFO L225 Difference]: With dead ends: 189 [2018-11-10 07:55:43,804 INFO L226 Difference]: Without dead ends: 187 [2018-11-10 07:55:43,805 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:43,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-11-10 07:55:43,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-11-10 07:55:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-11-10 07:55:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 186 transitions. [2018-11-10 07:55:43,813 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 186 transitions. Word has length 20 [2018-11-10 07:55:43,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:43,813 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 186 transitions. [2018-11-10 07:55:43,813 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 186 transitions. [2018-11-10 07:55:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 07:55:43,814 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,814 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,814 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,815 INFO L82 PathProgramCache]: Analyzing trace with hash 2141362174, now seen corresponding path program 1 times [2018-11-10 07:55:43,815 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,815 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:43,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:43,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:43,854 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:43,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:43,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:55:43,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:55:43,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:55:43,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:55:43,865 INFO L87 Difference]: Start difference. First operand 187 states and 186 transitions. Second operand 3 states. [2018-11-10 07:55:43,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:43,872 INFO L93 Difference]: Finished difference Result 187 states and 186 transitions. [2018-11-10 07:55:43,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:55:43,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-10 07:55:43,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:43,874 INFO L225 Difference]: With dead ends: 187 [2018-11-10 07:55:43,874 INFO L226 Difference]: Without dead ends: 185 [2018-11-10 07:55:43,874 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:55:43,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-11-10 07:55:43,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-11-10 07:55:43,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-11-10 07:55:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 184 transitions. [2018-11-10 07:55:43,880 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 184 transitions. Word has length 22 [2018-11-10 07:55:43,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:43,880 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 184 transitions. [2018-11-10 07:55:43,880 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:55:43,880 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 184 transitions. [2018-11-10 07:55:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:55:43,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,881 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,881 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,882 INFO L82 PathProgramCache]: Analyzing trace with hash 1141089352, now seen corresponding path program 1 times [2018-11-10 07:55:43,882 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,882 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:43,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:43,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:43,937 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:43,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:43,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:43,944 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:43,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:43,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:43,945 INFO L87 Difference]: Start difference. First operand 185 states and 184 transitions. Second operand 4 states. [2018-11-10 07:55:43,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:43,964 INFO L93 Difference]: Finished difference Result 185 states and 184 transitions. [2018-11-10 07:55:43,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:43,964 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-11-10 07:55:43,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:43,965 INFO L225 Difference]: With dead ends: 185 [2018-11-10 07:55:43,966 INFO L226 Difference]: Without dead ends: 183 [2018-11-10 07:55:43,966 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:43,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-10 07:55:43,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-11-10 07:55:43,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-11-10 07:55:43,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 182 transitions. [2018-11-10 07:55:43,973 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 182 transitions. Word has length 26 [2018-11-10 07:55:43,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:43,973 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 182 transitions. [2018-11-10 07:55:43,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:43,973 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 182 transitions. [2018-11-10 07:55:43,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 07:55:43,975 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:43,975 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:43,976 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:43,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:43,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1659152174, now seen corresponding path program 1 times [2018-11-10 07:55:43,977 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:43,977 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:43,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,033 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,041 INFO L87 Difference]: Start difference. First operand 183 states and 182 transitions. Second operand 4 states. [2018-11-10 07:55:44,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,057 INFO L93 Difference]: Finished difference Result 183 states and 182 transitions. [2018-11-10 07:55:44,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,058 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-11-10 07:55:44,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,059 INFO L225 Difference]: With dead ends: 183 [2018-11-10 07:55:44,059 INFO L226 Difference]: Without dead ends: 181 [2018-11-10 07:55:44,060 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-11-10 07:55:44,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-11-10 07:55:44,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-11-10 07:55:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 180 transitions. [2018-11-10 07:55:44,065 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 180 transitions. Word has length 30 [2018-11-10 07:55:44,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,065 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 180 transitions. [2018-11-10 07:55:44,066 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 180 transitions. [2018-11-10 07:55:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 07:55:44,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,067 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,069 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,069 INFO L82 PathProgramCache]: Analyzing trace with hash -599185744, now seen corresponding path program 1 times [2018-11-10 07:55:44,070 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,070 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,169 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,178 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,178 INFO L87 Difference]: Start difference. First operand 181 states and 180 transitions. Second operand 4 states. [2018-11-10 07:55:44,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,188 INFO L93 Difference]: Finished difference Result 181 states and 180 transitions. [2018-11-10 07:55:44,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,188 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-11-10 07:55:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,189 INFO L225 Difference]: With dead ends: 181 [2018-11-10 07:55:44,189 INFO L226 Difference]: Without dead ends: 179 [2018-11-10 07:55:44,189 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-11-10 07:55:44,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-11-10 07:55:44,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-11-10 07:55:44,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 178 transitions. [2018-11-10 07:55:44,192 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 178 transitions. Word has length 35 [2018-11-10 07:55:44,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,192 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 178 transitions. [2018-11-10 07:55:44,193 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,193 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 178 transitions. [2018-11-10 07:55:44,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-10 07:55:44,193 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,193 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,194 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1197415494, now seen corresponding path program 1 times [2018-11-10 07:55:44,194 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,195 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,264 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,287 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,299 INFO L87 Difference]: Start difference. First operand 179 states and 178 transitions. Second operand 4 states. [2018-11-10 07:55:44,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,311 INFO L93 Difference]: Finished difference Result 179 states and 178 transitions. [2018-11-10 07:55:44,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,311 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-11-10 07:55:44,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,312 INFO L225 Difference]: With dead ends: 179 [2018-11-10 07:55:44,313 INFO L226 Difference]: Without dead ends: 177 [2018-11-10 07:55:44,313 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-11-10 07:55:44,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-11-10 07:55:44,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-11-10 07:55:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 176 transitions. [2018-11-10 07:55:44,318 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 176 transitions. Word has length 39 [2018-11-10 07:55:44,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,318 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 176 transitions. [2018-11-10 07:55:44,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 176 transitions. [2018-11-10 07:55:44,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-11-10 07:55:44,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,319 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,320 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,320 INFO L82 PathProgramCache]: Analyzing trace with hash -110565116, now seen corresponding path program 1 times [2018-11-10 07:55:44,320 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,320 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,394 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,413 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,426 INFO L87 Difference]: Start difference. First operand 177 states and 176 transitions. Second operand 4 states. [2018-11-10 07:55:44,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,436 INFO L93 Difference]: Finished difference Result 177 states and 176 transitions. [2018-11-10 07:55:44,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,437 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-11-10 07:55:44,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,438 INFO L225 Difference]: With dead ends: 177 [2018-11-10 07:55:44,438 INFO L226 Difference]: Without dead ends: 175 [2018-11-10 07:55:44,438 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-11-10 07:55:44,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-10 07:55:44,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-10 07:55:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 174 transitions. [2018-11-10 07:55:44,441 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 174 transitions. Word has length 43 [2018-11-10 07:55:44,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,441 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 174 transitions. [2018-11-10 07:55:44,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,441 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 174 transitions. [2018-11-10 07:55:44,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 07:55:44,442 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,442 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,443 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,443 INFO L82 PathProgramCache]: Analyzing trace with hash -524085618, now seen corresponding path program 1 times [2018-11-10 07:55:44,443 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,443 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,540 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,548 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,548 INFO L87 Difference]: Start difference. First operand 175 states and 174 transitions. Second operand 4 states. [2018-11-10 07:55:44,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,558 INFO L93 Difference]: Finished difference Result 175 states and 174 transitions. [2018-11-10 07:55:44,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-11-10 07:55:44,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,561 INFO L225 Difference]: With dead ends: 175 [2018-11-10 07:55:44,561 INFO L226 Difference]: Without dead ends: 173 [2018-11-10 07:55:44,561 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-11-10 07:55:44,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-11-10 07:55:44,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-11-10 07:55:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 172 transitions. [2018-11-10 07:55:44,567 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 172 transitions. Word has length 47 [2018-11-10 07:55:44,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,567 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 172 transitions. [2018-11-10 07:55:44,567 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,567 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 172 transitions. [2018-11-10 07:55:44,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 07:55:44,570 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,570 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,571 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,571 INFO L82 PathProgramCache]: Analyzing trace with hash -1829091376, now seen corresponding path program 1 times [2018-11-10 07:55:44,572 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,572 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,711 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,726 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,735 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,736 INFO L87 Difference]: Start difference. First operand 173 states and 172 transitions. Second operand 4 states. [2018-11-10 07:55:44,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,747 INFO L93 Difference]: Finished difference Result 173 states and 172 transitions. [2018-11-10 07:55:44,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-11-10 07:55:44,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,749 INFO L225 Difference]: With dead ends: 173 [2018-11-10 07:55:44,749 INFO L226 Difference]: Without dead ends: 171 [2018-11-10 07:55:44,749 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-11-10 07:55:44,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-11-10 07:55:44,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-11-10 07:55:44,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 170 transitions. [2018-11-10 07:55:44,753 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 170 transitions. Word has length 52 [2018-11-10 07:55:44,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,753 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 170 transitions. [2018-11-10 07:55:44,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 170 transitions. [2018-11-10 07:55:44,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 07:55:44,754 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,754 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,754 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,754 INFO L82 PathProgramCache]: Analyzing trace with hash -2117620774, now seen corresponding path program 1 times [2018-11-10 07:55:44,755 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,755 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:44,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:44,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:44,907 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:44,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:44,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:44,916 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:44,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:44,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:44,916 INFO L87 Difference]: Start difference. First operand 171 states and 170 transitions. Second operand 4 states. [2018-11-10 07:55:44,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:44,927 INFO L93 Difference]: Finished difference Result 171 states and 170 transitions. [2018-11-10 07:55:44,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:44,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-11-10 07:55:44,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:44,928 INFO L225 Difference]: With dead ends: 171 [2018-11-10 07:55:44,928 INFO L226 Difference]: Without dead ends: 169 [2018-11-10 07:55:44,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:44,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-11-10 07:55:44,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-11-10 07:55:44,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-10 07:55:44,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 168 transitions. [2018-11-10 07:55:44,931 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 168 transitions. Word has length 56 [2018-11-10 07:55:44,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:44,932 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 168 transitions. [2018-11-10 07:55:44,932 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:44,932 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 168 transitions. [2018-11-10 07:55:44,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 07:55:44,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:44,933 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:44,934 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:44,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:44,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1009133532, now seen corresponding path program 1 times [2018-11-10 07:55:44,934 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:44,934 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 15 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:44,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:45,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:45,070 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:45,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:45,089 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:45,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:45,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:45,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:45,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:45,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:45,098 INFO L87 Difference]: Start difference. First operand 169 states and 168 transitions. Second operand 4 states. [2018-11-10 07:55:45,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:45,106 INFO L93 Difference]: Finished difference Result 169 states and 168 transitions. [2018-11-10 07:55:45,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:45,107 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-11-10 07:55:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:45,108 INFO L225 Difference]: With dead ends: 169 [2018-11-10 07:55:45,108 INFO L226 Difference]: Without dead ends: 167 [2018-11-10 07:55:45,108 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:45,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-11-10 07:55:45,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-11-10 07:55:45,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-11-10 07:55:45,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 166 transitions. [2018-11-10 07:55:45,112 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 166 transitions. Word has length 60 [2018-11-10 07:55:45,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:45,112 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 166 transitions. [2018-11-10 07:55:45,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:45,112 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 166 transitions. [2018-11-10 07:55:45,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 07:55:45,113 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:45,113 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:45,114 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:45,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:45,114 INFO L82 PathProgramCache]: Analyzing trace with hash 487763118, now seen corresponding path program 1 times [2018-11-10 07:55:45,115 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:45,115 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 16 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:45,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:45,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:45,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:45,273 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:45,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:45,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:45,283 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:45,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:45,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:45,283 INFO L87 Difference]: Start difference. First operand 167 states and 166 transitions. Second operand 4 states. [2018-11-10 07:55:45,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:45,295 INFO L93 Difference]: Finished difference Result 167 states and 166 transitions. [2018-11-10 07:55:45,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:45,295 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-11-10 07:55:45,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:45,296 INFO L225 Difference]: With dead ends: 167 [2018-11-10 07:55:45,296 INFO L226 Difference]: Without dead ends: 165 [2018-11-10 07:55:45,296 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:45,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-10 07:55:45,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-10 07:55:45,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-10 07:55:45,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 164 transitions. [2018-11-10 07:55:45,304 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 164 transitions. Word has length 64 [2018-11-10 07:55:45,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:45,304 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 164 transitions. [2018-11-10 07:55:45,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:45,304 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 164 transitions. [2018-11-10 07:55:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-10 07:55:45,305 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:45,305 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:45,306 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:45,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:45,306 INFO L82 PathProgramCache]: Analyzing trace with hash 2059975680, now seen corresponding path program 1 times [2018-11-10 07:55:45,306 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:45,306 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 17 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:45,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:45,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:45,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:45,561 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:45,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:45,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:45,570 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:45,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:45,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:45,571 INFO L87 Difference]: Start difference. First operand 165 states and 164 transitions. Second operand 4 states. [2018-11-10 07:55:45,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:45,580 INFO L93 Difference]: Finished difference Result 165 states and 164 transitions. [2018-11-10 07:55:45,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:45,584 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-11-10 07:55:45,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:45,585 INFO L225 Difference]: With dead ends: 165 [2018-11-10 07:55:45,585 INFO L226 Difference]: Without dead ends: 163 [2018-11-10 07:55:45,586 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:45,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-10 07:55:45,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-10 07:55:45,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-10 07:55:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 162 transitions. [2018-11-10 07:55:45,589 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 162 transitions. Word has length 70 [2018-11-10 07:55:45,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:45,589 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 162 transitions. [2018-11-10 07:55:45,589 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 162 transitions. [2018-11-10 07:55:45,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-10 07:55:45,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:45,590 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:45,591 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:45,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash 940540170, now seen corresponding path program 1 times [2018-11-10 07:55:45,591 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:45,591 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 18 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:45,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:45,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:45,820 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:45,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:45,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:45,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:45,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:45,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:45,830 INFO L87 Difference]: Start difference. First operand 163 states and 162 transitions. Second operand 4 states. [2018-11-10 07:55:45,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:45,838 INFO L93 Difference]: Finished difference Result 163 states and 162 transitions. [2018-11-10 07:55:45,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:45,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-11-10 07:55:45,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:45,839 INFO L225 Difference]: With dead ends: 163 [2018-11-10 07:55:45,839 INFO L226 Difference]: Without dead ends: 161 [2018-11-10 07:55:45,840 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:45,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-10 07:55:45,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-10 07:55:45,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-10 07:55:45,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 160 transitions. [2018-11-10 07:55:45,842 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 160 transitions. Word has length 74 [2018-11-10 07:55:45,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:45,843 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 160 transitions. [2018-11-10 07:55:45,843 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:45,843 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 160 transitions. [2018-11-10 07:55:45,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-10 07:55:45,843 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:45,844 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:45,844 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:45,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:45,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1157460396, now seen corresponding path program 1 times [2018-11-10 07:55:45,845 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:45,845 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 19 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:45,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:46,039 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:46,069 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:46,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:46,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:46,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:46,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:46,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:46,080 INFO L87 Difference]: Start difference. First operand 161 states and 160 transitions. Second operand 4 states. [2018-11-10 07:55:46,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:46,088 INFO L93 Difference]: Finished difference Result 161 states and 160 transitions. [2018-11-10 07:55:46,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:46,089 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-11-10 07:55:46,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:46,090 INFO L225 Difference]: With dead ends: 161 [2018-11-10 07:55:46,090 INFO L226 Difference]: Without dead ends: 159 [2018-11-10 07:55:46,090 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:46,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-10 07:55:46,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-10 07:55:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-10 07:55:46,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 158 transitions. [2018-11-10 07:55:46,092 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 158 transitions. Word has length 78 [2018-11-10 07:55:46,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:46,093 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 158 transitions. [2018-11-10 07:55:46,093 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 158 transitions. [2018-11-10 07:55:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-10 07:55:46,093 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:46,093 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:46,094 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:46,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:46,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1204011998, now seen corresponding path program 1 times [2018-11-10 07:55:46,094 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:46,094 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 20 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:46,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:46,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:46,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:46,319 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:46,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:46,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:46,330 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:46,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:46,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:46,330 INFO L87 Difference]: Start difference. First operand 159 states and 158 transitions. Second operand 4 states. [2018-11-10 07:55:46,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:46,339 INFO L93 Difference]: Finished difference Result 159 states and 158 transitions. [2018-11-10 07:55:46,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:46,339 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2018-11-10 07:55:46,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:46,340 INFO L225 Difference]: With dead ends: 159 [2018-11-10 07:55:46,340 INFO L226 Difference]: Without dead ends: 157 [2018-11-10 07:55:46,340 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:46,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-10 07:55:46,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-10 07:55:46,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-10 07:55:46,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 156 transitions. [2018-11-10 07:55:46,343 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 156 transitions. Word has length 82 [2018-11-10 07:55:46,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:46,343 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 156 transitions. [2018-11-10 07:55:46,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:46,343 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 156 transitions. [2018-11-10 07:55:46,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-10 07:55:46,344 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:46,344 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:46,345 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:46,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:46,346 INFO L82 PathProgramCache]: Analyzing trace with hash 2122645928, now seen corresponding path program 1 times [2018-11-10 07:55:46,346 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:46,346 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 21 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:46,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:46,547 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:46,571 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:46,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:46,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:46,581 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:46,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:46,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:46,581 INFO L87 Difference]: Start difference. First operand 157 states and 156 transitions. Second operand 4 states. [2018-11-10 07:55:46,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:46,590 INFO L93 Difference]: Finished difference Result 157 states and 156 transitions. [2018-11-10 07:55:46,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:46,591 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2018-11-10 07:55:46,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:46,592 INFO L225 Difference]: With dead ends: 157 [2018-11-10 07:55:46,592 INFO L226 Difference]: Without dead ends: 155 [2018-11-10 07:55:46,592 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-10 07:55:46,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-10 07:55:46,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-10 07:55:46,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 154 transitions. [2018-11-10 07:55:46,595 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 154 transitions. Word has length 86 [2018-11-10 07:55:46,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:46,595 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 154 transitions. [2018-11-10 07:55:46,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:46,595 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 154 transitions. [2018-11-10 07:55:46,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-10 07:55:46,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:46,596 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:46,596 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:46,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash -746051662, now seen corresponding path program 1 times [2018-11-10 07:55:46,596 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:46,597 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 22 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:46,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:46,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:46,835 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:46,844 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:46,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:46,845 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:46,845 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:46,845 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:46,845 INFO L87 Difference]: Start difference. First operand 155 states and 154 transitions. Second operand 4 states. [2018-11-10 07:55:46,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:46,856 INFO L93 Difference]: Finished difference Result 155 states and 154 transitions. [2018-11-10 07:55:46,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:46,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-11-10 07:55:46,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:46,857 INFO L225 Difference]: With dead ends: 155 [2018-11-10 07:55:46,857 INFO L226 Difference]: Without dead ends: 153 [2018-11-10 07:55:46,858 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:46,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-10 07:55:46,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-10 07:55:46,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-10 07:55:46,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 152 transitions. [2018-11-10 07:55:46,860 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 152 transitions. Word has length 90 [2018-11-10 07:55:46,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:46,861 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 152 transitions. [2018-11-10 07:55:46,861 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:46,861 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 152 transitions. [2018-11-10 07:55:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 07:55:46,861 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:46,861 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:46,862 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:46,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:46,862 INFO L82 PathProgramCache]: Analyzing trace with hash 119477756, now seen corresponding path program 1 times [2018-11-10 07:55:46,862 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:46,862 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:46,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:47,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:47,100 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:47,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:47,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:47,110 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:47,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:47,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:47,110 INFO L87 Difference]: Start difference. First operand 153 states and 152 transitions. Second operand 4 states. [2018-11-10 07:55:47,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:47,117 INFO L93 Difference]: Finished difference Result 153 states and 152 transitions. [2018-11-10 07:55:47,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:47,118 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-10 07:55:47,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:47,118 INFO L225 Difference]: With dead ends: 153 [2018-11-10 07:55:47,118 INFO L226 Difference]: Without dead ends: 151 [2018-11-10 07:55:47,118 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:47,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-10 07:55:47,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-10 07:55:47,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-10 07:55:47,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 150 transitions. [2018-11-10 07:55:47,120 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 150 transitions. Word has length 94 [2018-11-10 07:55:47,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:47,120 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 150 transitions. [2018-11-10 07:55:47,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:47,120 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 150 transitions. [2018-11-10 07:55:47,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 07:55:47,120 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:47,121 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:47,121 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:47,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:47,121 INFO L82 PathProgramCache]: Analyzing trace with hash 282651744, now seen corresponding path program 1 times [2018-11-10 07:55:47,121 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:47,121 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:47,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:48,083 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:48,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:48,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:48,126 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:48,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:55:48,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 07:55:48,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 07:55:48,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:48,127 INFO L87 Difference]: Start difference. First operand 151 states and 150 transitions. Second operand 5 states. [2018-11-10 07:55:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:48,179 INFO L93 Difference]: Finished difference Result 151 states and 150 transitions. [2018-11-10 07:55:48,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-10 07:55:48,180 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-11-10 07:55:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:48,180 INFO L225 Difference]: With dead ends: 151 [2018-11-10 07:55:48,180 INFO L226 Difference]: Without dead ends: 149 [2018-11-10 07:55:48,181 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:55:48,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-10 07:55:48,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-10 07:55:48,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-10 07:55:48,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 148 transitions. [2018-11-10 07:55:48,184 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 148 transitions. Word has length 99 [2018-11-10 07:55:48,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:48,184 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 148 transitions. [2018-11-10 07:55:48,184 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 07:55:48,184 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 148 transitions. [2018-11-10 07:55:48,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 07:55:48,185 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:48,185 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:48,185 INFO L424 AbstractCegarLoop]: === Iteration 24 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:48,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:48,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1192273006, now seen corresponding path program 1 times [2018-11-10 07:55:48,186 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:48,186 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:48,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:49,051 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:49,093 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:49,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:49,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:49,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:49,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:49,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:49,113 INFO L87 Difference]: Start difference. First operand 149 states and 148 transitions. Second operand 4 states. [2018-11-10 07:55:49,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:49,121 INFO L93 Difference]: Finished difference Result 149 states and 148 transitions. [2018-11-10 07:55:49,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:49,121 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-10 07:55:49,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:49,122 INFO L225 Difference]: With dead ends: 149 [2018-11-10 07:55:49,122 INFO L226 Difference]: Without dead ends: 147 [2018-11-10 07:55:49,122 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:49,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-10 07:55:49,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-10 07:55:49,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-10 07:55:49,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 146 transitions. [2018-11-10 07:55:49,124 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 146 transitions. Word has length 105 [2018-11-10 07:55:49,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:49,124 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 146 transitions. [2018-11-10 07:55:49,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 146 transitions. [2018-11-10 07:55:49,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 07:55:49,125 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:49,125 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:49,125 INFO L424 AbstractCegarLoop]: === Iteration 25 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:49,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:49,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1137775140, now seen corresponding path program 1 times [2018-11-10 07:55:49,126 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:49,126 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 26 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:49,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:49,993 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:50,065 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:50,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:50,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:50,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:50,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:50,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:50,089 INFO L87 Difference]: Start difference. First operand 147 states and 146 transitions. Second operand 4 states. [2018-11-10 07:55:50,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:50,124 INFO L93 Difference]: Finished difference Result 147 states and 146 transitions. [2018-11-10 07:55:50,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:50,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-10 07:55:50,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:50,125 INFO L225 Difference]: With dead ends: 147 [2018-11-10 07:55:50,125 INFO L226 Difference]: Without dead ends: 145 [2018-11-10 07:55:50,125 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:50,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-10 07:55:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-10 07:55:50,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-10 07:55:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 144 transitions. [2018-11-10 07:55:50,128 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 144 transitions. Word has length 109 [2018-11-10 07:55:50,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:50,128 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 144 transitions. [2018-11-10 07:55:50,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 144 transitions. [2018-11-10 07:55:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-10 07:55:50,128 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:50,129 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:50,129 INFO L424 AbstractCegarLoop]: === Iteration 26 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:50,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:50,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1669009711, now seen corresponding path program 1 times [2018-11-10 07:55:50,129 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:50,129 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 27 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:50,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:51,003 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:51,022 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:51,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:51,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:51,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:51,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:51,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:51,038 INFO L87 Difference]: Start difference. First operand 145 states and 144 transitions. Second operand 4 states. [2018-11-10 07:55:51,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:51,045 INFO L93 Difference]: Finished difference Result 145 states and 144 transitions. [2018-11-10 07:55:51,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:51,046 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-11-10 07:55:51,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:51,046 INFO L225 Difference]: With dead ends: 145 [2018-11-10 07:55:51,046 INFO L226 Difference]: Without dead ends: 143 [2018-11-10 07:55:51,046 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:51,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-10 07:55:51,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-10 07:55:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-10 07:55:51,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 142 transitions. [2018-11-10 07:55:51,048 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 142 transitions. Word has length 114 [2018-11-10 07:55:51,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:51,049 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 142 transitions. [2018-11-10 07:55:51,049 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:51,049 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 142 transitions. [2018-11-10 07:55:51,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-10 07:55:51,049 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:51,049 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:51,049 INFO L424 AbstractCegarLoop]: === Iteration 27 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:51,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash -397261285, now seen corresponding path program 1 times [2018-11-10 07:55:51,050 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:51,050 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:51,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:51,891 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:51,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:51,910 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:51,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:51,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:51,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:51,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:51,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:51,925 INFO L87 Difference]: Start difference. First operand 143 states and 142 transitions. Second operand 4 states. [2018-11-10 07:55:51,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:51,949 INFO L93 Difference]: Finished difference Result 143 states and 142 transitions. [2018-11-10 07:55:51,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:51,949 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2018-11-10 07:55:51,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:51,950 INFO L225 Difference]: With dead ends: 143 [2018-11-10 07:55:51,950 INFO L226 Difference]: Without dead ends: 141 [2018-11-10 07:55:51,951 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:51,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-10 07:55:51,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-10 07:55:51,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-10 07:55:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 140 transitions. [2018-11-10 07:55:51,954 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 140 transitions. Word has length 118 [2018-11-10 07:55:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:51,954 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 140 transitions. [2018-11-10 07:55:51,954 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:51,954 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 140 transitions. [2018-11-10 07:55:51,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-11-10 07:55:51,955 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:51,955 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:51,955 INFO L424 AbstractCegarLoop]: === Iteration 28 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:51,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:51,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1404618149, now seen corresponding path program 1 times [2018-11-10 07:55:51,956 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:51,956 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 29 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 29 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:51,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:52,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:52,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:52,874 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:52,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:52,888 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:52,888 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:52,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:52,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:52,889 INFO L87 Difference]: Start difference. First operand 141 states and 140 transitions. Second operand 4 states. [2018-11-10 07:55:52,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:52,896 INFO L93 Difference]: Finished difference Result 141 states and 140 transitions. [2018-11-10 07:55:52,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:52,897 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-11-10 07:55:52,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:52,897 INFO L225 Difference]: With dead ends: 141 [2018-11-10 07:55:52,897 INFO L226 Difference]: Without dead ends: 139 [2018-11-10 07:55:52,898 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:52,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-10 07:55:52,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-10 07:55:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-10 07:55:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 138 transitions. [2018-11-10 07:55:52,900 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 138 transitions. Word has length 122 [2018-11-10 07:55:52,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:52,901 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 138 transitions. [2018-11-10 07:55:52,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:52,901 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 138 transitions. [2018-11-10 07:55:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-10 07:55:52,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:52,902 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:52,902 INFO L424 AbstractCegarLoop]: === Iteration 29 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:52,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:52,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1586868881, now seen corresponding path program 1 times [2018-11-10 07:55:52,903 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:52,903 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 30 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 30 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:52,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:54,417 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:54,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:54,445 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:54,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:54,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:54,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:54,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:54,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:54,466 INFO L87 Difference]: Start difference. First operand 139 states and 138 transitions. Second operand 4 states. [2018-11-10 07:55:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:54,474 INFO L93 Difference]: Finished difference Result 139 states and 138 transitions. [2018-11-10 07:55:54,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:54,475 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-11-10 07:55:54,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:54,476 INFO L225 Difference]: With dead ends: 139 [2018-11-10 07:55:54,476 INFO L226 Difference]: Without dead ends: 137 [2018-11-10 07:55:54,476 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:54,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-10 07:55:54,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-10 07:55:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-10 07:55:54,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 136 transitions. [2018-11-10 07:55:54,479 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 136 transitions. Word has length 126 [2018-11-10 07:55:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:54,479 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 136 transitions. [2018-11-10 07:55:54,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 136 transitions. [2018-11-10 07:55:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-10 07:55:54,480 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:54,480 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:54,480 INFO L424 AbstractCegarLoop]: === Iteration 30 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:54,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:54,481 INFO L82 PathProgramCache]: Analyzing trace with hash 673758585, now seen corresponding path program 1 times [2018-11-10 07:55:54,481 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:54,481 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 31 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 31 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:54,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:55,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:55,986 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:56,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:56,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:56,007 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:56,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:56,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:56,007 INFO L87 Difference]: Start difference. First operand 137 states and 136 transitions. Second operand 4 states. [2018-11-10 07:55:56,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:56,014 INFO L93 Difference]: Finished difference Result 137 states and 136 transitions. [2018-11-10 07:55:56,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:56,014 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-11-10 07:55:56,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:56,014 INFO L225 Difference]: With dead ends: 137 [2018-11-10 07:55:56,015 INFO L226 Difference]: Without dead ends: 135 [2018-11-10 07:55:56,015 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:56,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-10 07:55:56,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-10 07:55:56,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-10 07:55:56,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 134 transitions. [2018-11-10 07:55:56,016 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 134 transitions. Word has length 130 [2018-11-10 07:55:56,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:56,017 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 134 transitions. [2018-11-10 07:55:56,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 134 transitions. [2018-11-10 07:55:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-10 07:55:56,017 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:55:56,018 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:55:56,018 INFO L424 AbstractCegarLoop]: === Iteration 31 === [mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:55:56,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:55:56,018 INFO L82 PathProgramCache]: Analyzing trace with hash 1254487491, now seen corresponding path program 1 times [2018-11-10 07:55:56,018 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 07:55:56,018 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/mathsat Starting monitored process 32 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 32 with mathsat -unsat_core_generation=3 [2018-11-10 07:55:56,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:55:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:55:57,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 07:55:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:55:57,534 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 07:55:57,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:55:57,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:55:57,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:55:57,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:55:57,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:55:57,556 INFO L87 Difference]: Start difference. First operand 135 states and 134 transitions. Second operand 4 states. [2018-11-10 07:55:57,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:55:57,562 INFO L93 Difference]: Finished difference Result 135 states and 134 transitions. [2018-11-10 07:55:57,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:55:57,562 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2018-11-10 07:55:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:55:57,563 INFO L225 Difference]: With dead ends: 135 [2018-11-10 07:55:57,563 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:55:57,563 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:55:57,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:55:57,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:55:57,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:55:57,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:55:57,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2018-11-10 07:55:57,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:55:57,564 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:55:57,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:55:57,564 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:55:57,564 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:55:57,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:55:57,601 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-10 07:55:57,601 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:55:57,601 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:55:57,601 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 07:55:57,601 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:55:57,601 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:55:57,601 INFO L425 ceAbstractionStarter]: For program point L960(line 960) no Hoare annotation was computed. [2018-11-10 07:55:57,601 INFO L425 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2018-11-10 07:55:57,601 INFO L425 ceAbstractionStarter]: For program point L960-2(line 960) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L993-3(line 993) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L993-4(line 993) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L960-4(line 960) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L993-5(line 993) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L960-5(line 960) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L960-6(line 960) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L993-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 952 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L960-8(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L961-1(line 961) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L994-3(line 994) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L961-3(line 961) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L994-4(line 994) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L961-4(line 961) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L994-5(line 994) no Hoare annotation was computed. [2018-11-10 07:55:57,602 INFO L425 ceAbstractionStarter]: For program point L961-5(line 961) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L994-7(line 994) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L961-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L962-3(line 962) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L962-4(line 962) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L962-5(line 962) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L962-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L997(line 997) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L997-2(line 997) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L964-3(line 964) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L997-4(line 997) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L964-4(line 964) no Hoare annotation was computed. [2018-11-10 07:55:57,603 INFO L425 ceAbstractionStarter]: For program point L997-5(line 997) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L964-5(line 964) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L997-6(line 997) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L964-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L997-8(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L998(line 998) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L965-1(line 965) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L998-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L965-3(line 965) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L965-4(line 965) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L965-5(line 965) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L965-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L999(line 999) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L999-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L1000-1(line 1000) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L1000-3(line 1000) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L1000-4(line 1000) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L1000-5(line 1000) no Hoare annotation was computed. [2018-11-10 07:55:57,604 INFO L425 ceAbstractionStarter]: For program point L1000-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 972) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1001-1(line 1001) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L968-3(line 968) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1001-4(line 1001) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L968-4(line 968) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L968-5(line 968) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1001-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L968-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L969-1(line 969) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1002-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L969-3(line 969) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L969-4(line 969) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L969-5(line 969) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L969-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1003-3(line 1003) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1003-4(line 1003) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1003-5(line 1003) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point L1003-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,605 INFO L425 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L971-1(line 971) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1004-3(line 1004) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L971-3(line 971) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1004-4(line 1004) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L971-4(line 971) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 988) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1004-5(line 1004) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L971-5(line 971) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1004-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L971-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1005-1(line 1005) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L972-1(line 972) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1005-3(line 1005) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point mainErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L972-3(line 972) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1005-4(line 1005) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L972-4(line 972) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1005-5(line 1005) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L972-5(line 972) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L1005-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point L972-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,606 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1006-1(line 1006) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1006-3(line 1006) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1006-4(line 1006) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1006-5(line 1006) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1006-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1007-1(line 1007) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1007-3(line 1007) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1007-4(line 1007) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1007-5(line 1007) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1007-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L975-1(line 975) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1008-3(line 1008) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L975-3(line 975) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1008-4(line 1008) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L975-4(line 975) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1008-5(line 1008) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L975-5(line 975) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L1008-7(lines 952 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point L975-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2018-11-10 07:55:57,607 INFO L425 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L976-1(line 976) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 989) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L976-3(line 976) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L976-4(line 976) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L976-5(line 976) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L976-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L977-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L978-3(line 978) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L978-4(line 978) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L978-5(line 978) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L978-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L979-1(line 979) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L979-3(line 979) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L979-4(line 979) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L979-5(line 979) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point L979-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2018-11-10 07:55:57,608 INFO L425 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L982-1(line 982) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L982-3(line 982) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L982-4(line 982) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L982-5(line 982) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L982-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L983-3(line 983) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L983-4(line 983) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L983-5(line 983) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L983-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L984-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L985-2(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1003) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L986-1(line 986) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L986-3(line 986) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L986-4(line 986) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L986-5(line 986) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2018-11-10 07:55:57,609 INFO L425 ceAbstractionStarter]: For program point L986-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L987-1(line 987) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L987-3(line 987) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L987-4(line 987) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L987-5(line 987) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L987-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 952 1011) the Hoare annotation is: true [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L988-1(line 988) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L988-3(line 988) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L988-4(line 988) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L988-5(line 988) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L988-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L989-1(line 989) no Hoare annotation was computed. [2018-11-10 07:55:57,610 INFO L425 ceAbstractionStarter]: For program point L989-3(line 989) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L989-4(line 989) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L989-5(line 989) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L989-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L990-1(line 990) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L990-3(line 990) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L990-4(line 990) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L990-5(line 990) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point L990-7(lines 953 1011) no Hoare annotation was computed. [2018-11-10 07:55:57,611 INFO L425 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2018-11-10 07:55:57,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:55:57 BoogieIcfgContainer [2018-11-10 07:55:57,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:55:57,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:55:57,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:55:57,614 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:55:57,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:55:43" (3/4) ... [2018-11-10 07:55:57,617 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:55:57,622 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:55:57,622 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:55:57,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2018-11-10 07:55:57,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 07:55:57,631 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 07:55:57,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7f77ccd8-50e5-4de0-8091-970b24a2fda3/bin-2019/utaipan/witness.graphml [2018-11-10 07:55:57,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:55:57,744 INFO L168 Benchmark]: Toolchain (without parser) took 16022.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 944.4 MB in the beginning and 1.2 GB in the end (delta: -213.0 MB). Peak memory consumption was 79.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,745 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:55:57,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.19 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 820.9 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 820.9 MB in the beginning and 1.1 GB in the end (delta: -286.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,746 INFO L168 Benchmark]: Boogie Preprocessor took 38.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,746 INFO L168 Benchmark]: RCFGBuilder took 609.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,747 INFO L168 Benchmark]: TraceAbstraction took 14454.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,747 INFO L168 Benchmark]: Witness Printer took 129.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:55:57,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 700.19 ms. Allocated memory is still 1.0 GB. Free memory was 944.4 MB in the beginning and 820.9 MB in the end (delta: 123.5 MB). Peak memory consumption was 123.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 87.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 820.9 MB in the beginning and 1.1 GB in the end (delta: -286.1 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 609.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14454.31 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -125.7 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. * Witness Printer took 129.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 970]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1000]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 976]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 972]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 983]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 961]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1004]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 985]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 982]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 999]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 987]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 971]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 997]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 964]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 968]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 975]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 965]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 979]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 960]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1008]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1002]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 984]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1005]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 986]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 962]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 977]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 998]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1006]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 988]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 969]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 978]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 989]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 990]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1001]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1003]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1007]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 993]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 38 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 217 locations, 38 error locations. SAFE Result, 14.4s OverallTime, 31 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4966 SDtfs, 81 SDslu, 9617 SDs, 0 SdLazy, 119 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2160 GetRequests, 2069 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred 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: 0.1s AutomataMinimizationTime, 31 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: 0.1s SsaConstructionTime, 11.0s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 2161 NumberOfCodeBlocks, 2161 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2130 ConstructedInterpolants, 0 QuantifiedInterpolants, 201058 SizeOfPredicates, 34 NumberOfNonLiveVariables, 2347 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 31 InterpolantComputations, 31 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...