./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_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:40:58,607 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:40:58,608 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:40:58,618 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:40:58,618 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:40:58,619 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:40:58,620 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:40:58,622 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:40:58,624 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:40:58,625 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:40:58,625 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:40:58,626 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:40:58,627 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:40:58,628 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:40:58,629 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:40:58,629 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:40:58,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:40:58,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:40:58,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:40:58,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:40:58,636 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:40:58,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:40:58,639 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:40:58,640 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:40:58,640 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:40:58,641 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:40:58,641 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:40:58,643 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:40:58,644 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:40:58,644 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:40:58,645 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:40:58,645 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:40:58,645 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:40:58,646 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:40:58,647 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:40:58,648 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:40:58,648 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:40:58,661 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:40:58,661 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:40:58,665 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:40:58,665 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:40:58,665 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:40:58,665 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:40:58,665 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:40:58,666 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:40:58,666 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:40:58,666 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:40:58,666 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:40:58,667 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:40:58,667 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:40:58,667 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:40:58,667 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:40:58,667 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:40:58,667 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:40:58,668 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:40:58,668 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:40:58,668 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:40:58,668 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:40:58,668 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:40:58,668 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:40:58,668 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:40:58,669 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:40:58,669 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:40:58,669 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:40:58,669 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:40:58,669 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:40:58,669 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:40:58,669 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:40:58,670 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:40:58,670 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:40:58,674 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:40:58,675 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:40:58,713 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:40:58,727 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:40:58,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:40:58,730 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:40:58,730 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:40:58,731 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-10-26 22:40:58,779 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/628c83189/d6aa7dadfe36461bb426c3a43f981766/FLAG533cea16b [2018-10-26 22:40:59,269 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:40:59,269 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-10-26 22:40:59,282 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/628c83189/d6aa7dadfe36461bb426c3a43f981766/FLAG533cea16b [2018-10-26 22:40:59,296 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/628c83189/d6aa7dadfe36461bb426c3a43f981766 [2018-10-26 22:40:59,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:40:59,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:40:59,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:40:59,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:40:59,310 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:40:59,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:40:59" (1/1) ... [2018-10-26 22:40:59,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb1fbf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:40:59, skipping insertion in model container [2018-10-26 22:40:59,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:40:59" (1/1) ... [2018-10-26 22:40:59,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:40:59,372 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:40:59,864 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-26 22:40:59,876 INFO L168 Benchmark]: Toolchain (without parser) took 575.36 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 943.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:40:59,877 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:40:59,879 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.80 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 943.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:40:59,882 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 572.80 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 943.5 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fpclassify: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:838) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:41:01,656 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:41:01,658 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:41:01,668 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:41:01,668 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:41:01,669 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:41:01,670 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:41:01,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:41:01,673 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:41:01,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:41:01,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:41:01,675 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:41:01,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:41:01,676 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:41:01,677 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:41:01,678 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:41:01,679 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:41:01,680 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:41:01,681 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:41:01,683 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:41:01,684 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:41:01,685 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:41:01,686 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:41:01,687 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:41:01,687 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:41:01,687 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:41:01,688 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:41:01,689 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:41:01,689 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:41:01,691 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:41:01,691 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:41:01,692 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:41:01,692 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:41:01,692 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:41:01,693 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:41:01,694 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:41:01,695 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:41:01,708 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:41:01,708 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:41:01,709 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:41:01,709 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:41:01,709 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:41:01,709 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:41:01,709 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:41:01,709 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:41:01,711 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:41:01,711 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:41:01,711 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:41:01,711 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:41:01,712 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:41:01,713 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:41:01,713 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:41:01,714 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:41:01,714 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:41:01,714 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:41:01,715 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:41:01,715 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:41:01,715 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:41:01,715 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:41:01,715 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:41:01,715 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:41:01,715 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:41:01,716 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:41:01,716 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_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:01,778 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:41:01,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:41:01,798 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:41:01,799 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:41:01,800 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:41:01,801 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/../../sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-10-26 22:41:01,858 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/c58bf2990/4fbef82afa1a4ed7953f408dd5f925bd/FLAG93d2a378f [2018-10-26 22:41:02,323 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:41:02,323 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/sv-benchmarks/c/floats-cbmc-regression/float-flags-simp1_true-unreach-call.i [2018-10-26 22:41:02,336 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/c58bf2990/4fbef82afa1a4ed7953f408dd5f925bd/FLAG93d2a378f [2018-10-26 22:41:02,350 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/data/c58bf2990/4fbef82afa1a4ed7953f408dd5f925bd [2018-10-26 22:41:02,353 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:41:02,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:41:02,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:41:02,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:41:02,359 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:41:02,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:41:02" (1/1) ... [2018-10-26 22:41:02,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47278257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:02, skipping insertion in model container [2018-10-26 22:41:02,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:41:02" (1/1) ... [2018-10-26 22:41:02,372 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:41:02,425 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:41:03,096 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:41:03,100 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:41:03,216 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:41:03,487 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:41:03,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03 WrapperNode [2018-10-26 22:41:03,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:41:03,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:41:03,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:41:03,490 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:41:03,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:41:03,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:41:03,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:41:03,528 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:41:03,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... [2018-10-26 22:41:03,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:41:03,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:41:03,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:41:03,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:41:03,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:41:03,694 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:41:03,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:41:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:41:03,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:41:03,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:41:04,770 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:41:04,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:04 BoogieIcfgContainer [2018-10-26 22:41:04,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:41:04,771 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:41:04,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:41:04,778 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:41:04,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:41:02" (1/3) ... [2018-10-26 22:41:04,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec20acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:41:04, skipping insertion in model container [2018-10-26 22:41:04,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:41:03" (2/3) ... [2018-10-26 22:41:04,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ec20acb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:41:04, skipping insertion in model container [2018-10-26 22:41:04,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:04" (3/3) ... [2018-10-26 22:41:04,783 INFO L112 eAbstractionObserver]: Analyzing ICFG float-flags-simp1_true-unreach-call.i [2018-10-26 22:41:04,793 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:41:04,801 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 38 error locations. [2018-10-26 22:41:04,829 INFO L257 AbstractCegarLoop]: Starting to check reachability of 38 error locations. [2018-10-26 22:41:04,859 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:41:04,859 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:41:04,859 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:41:04,860 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:41:04,860 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:41:04,860 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:41:04,860 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:41:04,860 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:41:04,860 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:41:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states. [2018-10-26 22:41:04,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 22:41:04,887 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:04,890 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:41:04,893 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:04,899 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:04,899 INFO L82 PathProgramCache]: Analyzing trace with hash 969950236, now seen corresponding path program 1 times [2018-10-26 22:41:04,903 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:04,904 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:04,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:04,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:04,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:05,675 WARN L179 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 5 [2018-10-26 22:41:05,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:05,684 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:05,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:05,695 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:41:05,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:41:05,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:41:05,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:41:05,709 INFO L87 Difference]: Start difference. First operand 217 states. Second operand 3 states. [2018-10-26 22:41:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:05,756 INFO L93 Difference]: Finished difference Result 408 states and 603 transitions. [2018-10-26 22:41:05,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:41:05,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-26 22:41:05,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:05,773 INFO L225 Difference]: With dead ends: 408 [2018-10-26 22:41:05,774 INFO L226 Difference]: Without dead ends: 193 [2018-10-26 22:41:05,777 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:41:05,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-10-26 22:41:05,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-10-26 22:41:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-10-26 22:41:05,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 192 transitions. [2018-10-26 22:41:05,820 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 192 transitions. Word has length 8 [2018-10-26 22:41:05,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:05,821 INFO L481 AbstractCegarLoop]: Abstraction has 193 states and 192 transitions. [2018-10-26 22:41:05,821 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:41:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 192 transitions. [2018-10-26 22:41:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:41:05,822 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:05,822 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:41:05,823 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:05,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:05,823 INFO L82 PathProgramCache]: Analyzing trace with hash -1728406426, now seen corresponding path program 1 times [2018-10-26 22:41:05,823 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:05,823 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:05,829 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:05,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:06,022 WARN L179 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 5 [2018-10-26 22:41:06,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:06,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:06,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:06,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:06,119 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:06,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:06,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:06,120 INFO L87 Difference]: Start difference. First operand 193 states and 192 transitions. Second operand 4 states. [2018-10-26 22:41:06,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:06,174 INFO L93 Difference]: Finished difference Result 193 states and 192 transitions. [2018-10-26 22:41:06,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:06,179 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-10-26 22:41:06,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:06,182 INFO L225 Difference]: With dead ends: 193 [2018-10-26 22:41:06,183 INFO L226 Difference]: Without dead ends: 191 [2018-10-26 22:41:06,184 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:41:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-10-26 22:41:06,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-10-26 22:41:06,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-10-26 22:41:06,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 190 transitions. [2018-10-26 22:41:06,197 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 190 transitions. Word has length 12 [2018-10-26 22:41:06,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:06,197 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 190 transitions. [2018-10-26 22:41:06,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:06,198 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 190 transitions. [2018-10-26 22:41:06,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:41:06,198 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:06,198 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:41:06,199 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:06,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:06,199 INFO L82 PathProgramCache]: Analyzing trace with hash 794139888, now seen corresponding path program 1 times [2018-10-26 22:41:06,206 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:06,206 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:06,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:06,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:06,287 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:06,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:06,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:06,307 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:06,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:06,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:06,308 INFO L87 Difference]: Start difference. First operand 191 states and 190 transitions. Second operand 4 states. [2018-10-26 22:41:06,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:06,339 INFO L93 Difference]: Finished difference Result 191 states and 190 transitions. [2018-10-26 22:41:06,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:06,342 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2018-10-26 22:41:06,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:06,343 INFO L225 Difference]: With dead ends: 191 [2018-10-26 22:41:06,344 INFO L226 Difference]: Without dead ends: 189 [2018-10-26 22:41:06,344 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 [2018-10-26 22:41:06,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-10-26 22:41:06,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-10-26 22:41:06,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-10-26 22:41:06,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 188 transitions. [2018-10-26 22:41:06,357 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 188 transitions. Word has length 16 [2018-10-26 22:41:06,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:06,357 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 188 transitions. [2018-10-26 22:41:06,358 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:06,360 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 188 transitions. [2018-10-26 22:41:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:41:06,360 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:06,360 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] [2018-10-26 22:41:06,361 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:06,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:06,362 INFO L82 PathProgramCache]: Analyzing trace with hash 668149178, now seen corresponding path program 1 times [2018-10-26 22:41:06,362 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:06,362 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:06,369 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:06,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:06,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:06,489 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:06,498 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:06,498 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:06,499 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:06,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:06,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:06,499 INFO L87 Difference]: Start difference. First operand 189 states and 188 transitions. Second operand 4 states. [2018-10-26 22:41:06,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:06,547 INFO L93 Difference]: Finished difference Result 189 states and 188 transitions. [2018-10-26 22:41:06,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:06,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2018-10-26 22:41:06,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:06,552 INFO L225 Difference]: With dead ends: 189 [2018-10-26 22:41:06,553 INFO L226 Difference]: Without dead ends: 187 [2018-10-26 22:41:06,553 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:41:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-10-26 22:41:06,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-10-26 22:41:06,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-10-26 22:41:06,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 186 transitions. [2018-10-26 22:41:06,562 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 186 transitions. Word has length 20 [2018-10-26 22:41:06,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:06,562 INFO L481 AbstractCegarLoop]: Abstraction has 187 states and 186 transitions. [2018-10-26 22:41:06,562 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:06,562 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 186 transitions. [2018-10-26 22:41:06,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 22:41:06,563 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:06,563 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] [2018-10-26 22:41:06,564 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:06,564 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:06,564 INFO L82 PathProgramCache]: Analyzing trace with hash 2141362174, now seen corresponding path program 1 times [2018-10-26 22:41:06,564 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:06,565 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:06,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:06,594 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:06,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:06,609 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:06,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:06,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:41:06,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:41:06,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:41:06,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:41:06,625 INFO L87 Difference]: Start difference. First operand 187 states and 186 transitions. Second operand 3 states. [2018-10-26 22:41:06,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:06,655 INFO L93 Difference]: Finished difference Result 187 states and 186 transitions. [2018-10-26 22:41:06,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:41:06,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-10-26 22:41:06,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:06,659 INFO L225 Difference]: With dead ends: 187 [2018-10-26 22:41:06,659 INFO L226 Difference]: Without dead ends: 185 [2018-10-26 22:41:06,660 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 [2018-10-26 22:41:06,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-10-26 22:41:06,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-10-26 22:41:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-10-26 22:41:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 184 transitions. [2018-10-26 22:41:06,666 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 184 transitions. Word has length 22 [2018-10-26 22:41:06,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:06,666 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 184 transitions. [2018-10-26 22:41:06,666 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:41:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 184 transitions. [2018-10-26 22:41:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:41:06,667 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:06,667 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] [2018-10-26 22:41:06,668 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:06,668 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1141089352, now seen corresponding path program 1 times [2018-10-26 22:41:06,669 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:06,669 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:06,674 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:06,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:06,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:06,724 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:06,724 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:06,724 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:06,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:06,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:06,725 INFO L87 Difference]: Start difference. First operand 185 states and 184 transitions. Second operand 4 states. [2018-10-26 22:41:06,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:06,741 INFO L93 Difference]: Finished difference Result 185 states and 184 transitions. [2018-10-26 22:41:06,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:06,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2018-10-26 22:41:06,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:06,748 INFO L225 Difference]: With dead ends: 185 [2018-10-26 22:41:06,749 INFO L226 Difference]: Without dead ends: 183 [2018-10-26 22:41:06,749 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 [2018-10-26 22:41:06,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-10-26 22:41:06,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-10-26 22:41:06,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-10-26 22:41:06,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 182 transitions. [2018-10-26 22:41:06,760 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 182 transitions. Word has length 26 [2018-10-26 22:41:06,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:06,760 INFO L481 AbstractCegarLoop]: Abstraction has 183 states and 182 transitions. [2018-10-26 22:41:06,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 182 transitions. [2018-10-26 22:41:06,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 22:41:06,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:06,761 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] [2018-10-26 22:41:06,764 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:06,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:06,765 INFO L82 PathProgramCache]: Analyzing trace with hash -1659152174, now seen corresponding path program 1 times [2018-10-26 22:41:06,765 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:06,765 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:06,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:06,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:06,818 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:06,826 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:06,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:06,827 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:06,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:06,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:06,828 INFO L87 Difference]: Start difference. First operand 183 states and 182 transitions. Second operand 4 states. [2018-10-26 22:41:06,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:06,845 INFO L93 Difference]: Finished difference Result 183 states and 182 transitions. [2018-10-26 22:41:06,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:06,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2018-10-26 22:41:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:06,851 INFO L225 Difference]: With dead ends: 183 [2018-10-26 22:41:06,852 INFO L226 Difference]: Without dead ends: 181 [2018-10-26 22:41:06,852 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 [2018-10-26 22:41:06,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-10-26 22:41:06,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-10-26 22:41:06,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-10-26 22:41:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 180 transitions. [2018-10-26 22:41:06,859 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 180 transitions. Word has length 30 [2018-10-26 22:41:06,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:06,860 INFO L481 AbstractCegarLoop]: Abstraction has 181 states and 180 transitions. [2018-10-26 22:41:06,860 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:06,860 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 180 transitions. [2018-10-26 22:41:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:41:06,861 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:06,861 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] [2018-10-26 22:41:06,861 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:06,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:06,865 INFO L82 PathProgramCache]: Analyzing trace with hash -599185744, now seen corresponding path program 1 times [2018-10-26 22:41:06,866 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:06,866 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:06,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:06,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:06,990 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:07,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:07,028 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:07,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:07,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:07,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:07,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:07,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:07,038 INFO L87 Difference]: Start difference. First operand 181 states and 180 transitions. Second operand 4 states. [2018-10-26 22:41:07,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:07,054 INFO L93 Difference]: Finished difference Result 181 states and 180 transitions. [2018-10-26 22:41:07,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:07,056 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-10-26 22:41:07,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:07,056 INFO L225 Difference]: With dead ends: 181 [2018-10-26 22:41:07,057 INFO L226 Difference]: Without dead ends: 179 [2018-10-26 22:41:07,057 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 [2018-10-26 22:41:07,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-10-26 22:41:07,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-10-26 22:41:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-10-26 22:41:07,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 178 transitions. [2018-10-26 22:41:07,060 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 178 transitions. Word has length 35 [2018-10-26 22:41:07,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:07,061 INFO L481 AbstractCegarLoop]: Abstraction has 179 states and 178 transitions. [2018-10-26 22:41:07,061 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 178 transitions. [2018-10-26 22:41:07,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:41:07,062 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:07,064 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] [2018-10-26 22:41:07,065 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:07,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:07,066 INFO L82 PathProgramCache]: Analyzing trace with hash -1197415494, now seen corresponding path program 1 times [2018-10-26 22:41:07,068 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:07,068 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:07,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:07,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:07,181 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:07,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:07,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:07,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:07,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:07,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:07,196 INFO L87 Difference]: Start difference. First operand 179 states and 178 transitions. Second operand 4 states. [2018-10-26 22:41:07,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:07,217 INFO L93 Difference]: Finished difference Result 179 states and 178 transitions. [2018-10-26 22:41:07,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:07,222 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2018-10-26 22:41:07,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:07,223 INFO L225 Difference]: With dead ends: 179 [2018-10-26 22:41:07,224 INFO L226 Difference]: Without dead ends: 177 [2018-10-26 22:41:07,224 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 [2018-10-26 22:41:07,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-10-26 22:41:07,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-10-26 22:41:07,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-10-26 22:41:07,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 176 transitions. [2018-10-26 22:41:07,231 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 176 transitions. Word has length 39 [2018-10-26 22:41:07,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:07,232 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 176 transitions. [2018-10-26 22:41:07,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:07,232 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 176 transitions. [2018-10-26 22:41:07,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-26 22:41:07,233 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:07,233 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] [2018-10-26 22:41:07,234 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:07,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:07,234 INFO L82 PathProgramCache]: Analyzing trace with hash -110565116, now seen corresponding path program 1 times [2018-10-26 22:41:07,235 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:07,235 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:07,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:07,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:07,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:07,347 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:07,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:07,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:07,363 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:07,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:07,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:07,363 INFO L87 Difference]: Start difference. First operand 177 states and 176 transitions. Second operand 4 states. [2018-10-26 22:41:07,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:07,387 INFO L93 Difference]: Finished difference Result 177 states and 176 transitions. [2018-10-26 22:41:07,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:07,388 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-10-26 22:41:07,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:07,389 INFO L225 Difference]: With dead ends: 177 [2018-10-26 22:41:07,389 INFO L226 Difference]: Without dead ends: 175 [2018-10-26 22:41:07,389 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 [2018-10-26 22:41:07,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-10-26 22:41:07,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-10-26 22:41:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-10-26 22:41:07,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 174 transitions. [2018-10-26 22:41:07,395 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 174 transitions. Word has length 43 [2018-10-26 22:41:07,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:07,396 INFO L481 AbstractCegarLoop]: Abstraction has 175 states and 174 transitions. [2018-10-26 22:41:07,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:07,396 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 174 transitions. [2018-10-26 22:41:07,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:41:07,397 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:07,397 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] [2018-10-26 22:41:07,400 INFO L424 AbstractCegarLoop]: === Iteration 11 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:07,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:07,401 INFO L82 PathProgramCache]: Analyzing trace with hash -524085618, now seen corresponding path program 1 times [2018-10-26 22:41:07,401 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:07,401 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:07,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:07,492 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:07,551 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:07,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:07,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:07,562 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:07,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:07,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:07,562 INFO L87 Difference]: Start difference. First operand 175 states and 174 transitions. Second operand 4 states. [2018-10-26 22:41:07,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:07,587 INFO L93 Difference]: Finished difference Result 175 states and 174 transitions. [2018-10-26 22:41:07,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:07,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2018-10-26 22:41:07,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:07,591 INFO L225 Difference]: With dead ends: 175 [2018-10-26 22:41:07,591 INFO L226 Difference]: Without dead ends: 173 [2018-10-26 22:41:07,592 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 [2018-10-26 22:41:07,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-10-26 22:41:07,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-10-26 22:41:07,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-10-26 22:41:07,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 172 transitions. [2018-10-26 22:41:07,599 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 172 transitions. Word has length 47 [2018-10-26 22:41:07,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:07,602 INFO L481 AbstractCegarLoop]: Abstraction has 173 states and 172 transitions. [2018-10-26 22:41:07,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:07,602 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 172 transitions. [2018-10-26 22:41:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:41:07,603 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:07,603 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] [2018-10-26 22:41:07,604 INFO L424 AbstractCegarLoop]: === Iteration 12 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:07,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:07,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1829091376, now seen corresponding path program 1 times [2018-10-26 22:41:07,608 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:07,608 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:07,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:07,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:07,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:07,771 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:07,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:07,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:07,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:07,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:07,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:07,782 INFO L87 Difference]: Start difference. First operand 173 states and 172 transitions. Second operand 4 states. [2018-10-26 22:41:07,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:07,796 INFO L93 Difference]: Finished difference Result 173 states and 172 transitions. [2018-10-26 22:41:07,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:07,797 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2018-10-26 22:41:07,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:07,798 INFO L225 Difference]: With dead ends: 173 [2018-10-26 22:41:07,798 INFO L226 Difference]: Without dead ends: 171 [2018-10-26 22:41:07,799 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 [2018-10-26 22:41:07,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-10-26 22:41:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-10-26 22:41:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-10-26 22:41:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 170 transitions. [2018-10-26 22:41:07,804 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 170 transitions. Word has length 52 [2018-10-26 22:41:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:07,805 INFO L481 AbstractCegarLoop]: Abstraction has 171 states and 170 transitions. [2018-10-26 22:41:07,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 170 transitions. [2018-10-26 22:41:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-26 22:41:07,806 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:07,808 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] [2018-10-26 22:41:07,809 INFO L424 AbstractCegarLoop]: === Iteration 13 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:07,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:07,809 INFO L82 PathProgramCache]: Analyzing trace with hash -2117620774, now seen corresponding path program 1 times [2018-10-26 22:41:07,810 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:07,810 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:07,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:07,951 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:07,976 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:07,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:07,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:07,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:07,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:07,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:07,992 INFO L87 Difference]: Start difference. First operand 171 states and 170 transitions. Second operand 4 states. [2018-10-26 22:41:08,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:08,010 INFO L93 Difference]: Finished difference Result 171 states and 170 transitions. [2018-10-26 22:41:08,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:08,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 56 [2018-10-26 22:41:08,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:08,016 INFO L225 Difference]: With dead ends: 171 [2018-10-26 22:41:08,016 INFO L226 Difference]: Without dead ends: 169 [2018-10-26 22:41:08,016 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 [2018-10-26 22:41:08,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-10-26 22:41:08,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-10-26 22:41:08,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-10-26 22:41:08,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 168 transitions. [2018-10-26 22:41:08,020 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 168 transitions. Word has length 56 [2018-10-26 22:41:08,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:08,020 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 168 transitions. [2018-10-26 22:41:08,020 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 168 transitions. [2018-10-26 22:41:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-26 22:41:08,021 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:08,021 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] [2018-10-26 22:41:08,023 INFO L424 AbstractCegarLoop]: === Iteration 14 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:08,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:08,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1009133532, now seen corresponding path program 1 times [2018-10-26 22:41:08,023 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:08,023 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:08,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:08,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:08,198 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:08,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:08,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:08,207 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:08,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:08,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:08,208 INFO L87 Difference]: Start difference. First operand 169 states and 168 transitions. Second operand 4 states. [2018-10-26 22:41:08,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:08,244 INFO L93 Difference]: Finished difference Result 169 states and 168 transitions. [2018-10-26 22:41:08,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:08,249 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2018-10-26 22:41:08,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:08,250 INFO L225 Difference]: With dead ends: 169 [2018-10-26 22:41:08,250 INFO L226 Difference]: Without dead ends: 167 [2018-10-26 22:41:08,252 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 [2018-10-26 22:41:08,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-10-26 22:41:08,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-10-26 22:41:08,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-10-26 22:41:08,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 166 transitions. [2018-10-26 22:41:08,257 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 166 transitions. Word has length 60 [2018-10-26 22:41:08,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:08,257 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 166 transitions. [2018-10-26 22:41:08,257 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:08,257 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 166 transitions. [2018-10-26 22:41:08,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-26 22:41:08,258 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:08,258 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] [2018-10-26 22:41:08,259 INFO L424 AbstractCegarLoop]: === Iteration 15 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:08,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:08,259 INFO L82 PathProgramCache]: Analyzing trace with hash 487763118, now seen corresponding path program 1 times [2018-10-26 22:41:08,260 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:08,260 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:08,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:08,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:08,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:08,458 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:08,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:08,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:08,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:08,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:08,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:08,468 INFO L87 Difference]: Start difference. First operand 167 states and 166 transitions. Second operand 4 states. [2018-10-26 22:41:08,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:08,479 INFO L93 Difference]: Finished difference Result 167 states and 166 transitions. [2018-10-26 22:41:08,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:08,486 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 64 [2018-10-26 22:41:08,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:08,487 INFO L225 Difference]: With dead ends: 167 [2018-10-26 22:41:08,487 INFO L226 Difference]: Without dead ends: 165 [2018-10-26 22:41:08,488 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 [2018-10-26 22:41:08,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-10-26 22:41:08,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-10-26 22:41:08,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-10-26 22:41:08,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 164 transitions. [2018-10-26 22:41:08,496 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 164 transitions. Word has length 64 [2018-10-26 22:41:08,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:08,497 INFO L481 AbstractCegarLoop]: Abstraction has 165 states and 164 transitions. [2018-10-26 22:41:08,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:08,497 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 164 transitions. [2018-10-26 22:41:08,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-26 22:41:08,501 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:08,501 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] [2018-10-26 22:41:08,502 INFO L424 AbstractCegarLoop]: === Iteration 16 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:08,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:08,502 INFO L82 PathProgramCache]: Analyzing trace with hash 2059975680, now seen corresponding path program 1 times [2018-10-26 22:41:08,503 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:08,503 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:08,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:08,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:08,790 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:08,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:08,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:08,801 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:08,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:08,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:08,802 INFO L87 Difference]: Start difference. First operand 165 states and 164 transitions. Second operand 4 states. [2018-10-26 22:41:08,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:08,840 INFO L93 Difference]: Finished difference Result 165 states and 164 transitions. [2018-10-26 22:41:08,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:08,841 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 70 [2018-10-26 22:41:08,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:08,842 INFO L225 Difference]: With dead ends: 165 [2018-10-26 22:41:08,842 INFO L226 Difference]: Without dead ends: 163 [2018-10-26 22:41:08,842 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 [2018-10-26 22:41:08,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-10-26 22:41:08,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-10-26 22:41:08,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-10-26 22:41:08,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 162 transitions. [2018-10-26 22:41:08,848 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 162 transitions. Word has length 70 [2018-10-26 22:41:08,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:08,849 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 162 transitions. [2018-10-26 22:41:08,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:08,849 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 162 transitions. [2018-10-26 22:41:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-26 22:41:08,849 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:08,850 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] [2018-10-26 22:41:08,850 INFO L424 AbstractCegarLoop]: === Iteration 17 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:08,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:08,851 INFO L82 PathProgramCache]: Analyzing trace with hash 940540170, now seen corresponding path program 1 times [2018-10-26 22:41:08,851 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:08,851 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:08,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:09,103 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:09,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:09,133 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:09,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:09,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:09,145 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:09,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:09,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:09,145 INFO L87 Difference]: Start difference. First operand 163 states and 162 transitions. Second operand 4 states. [2018-10-26 22:41:09,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:09,156 INFO L93 Difference]: Finished difference Result 163 states and 162 transitions. [2018-10-26 22:41:09,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:09,156 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 74 [2018-10-26 22:41:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:09,157 INFO L225 Difference]: With dead ends: 163 [2018-10-26 22:41:09,157 INFO L226 Difference]: Without dead ends: 161 [2018-10-26 22:41:09,158 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 [2018-10-26 22:41:09,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-10-26 22:41:09,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-10-26 22:41:09,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-10-26 22:41:09,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 160 transitions. [2018-10-26 22:41:09,161 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 160 transitions. Word has length 74 [2018-10-26 22:41:09,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:09,162 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 160 transitions. [2018-10-26 22:41:09,162 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:09,162 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 160 transitions. [2018-10-26 22:41:09,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 22:41:09,162 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:09,163 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] [2018-10-26 22:41:09,166 INFO L424 AbstractCegarLoop]: === Iteration 18 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:09,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:09,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1157460396, now seen corresponding path program 1 times [2018-10-26 22:41:09,167 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:09,167 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:09,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:09,440 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:09,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:09,464 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:09,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:09,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:09,475 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:09,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:09,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:09,476 INFO L87 Difference]: Start difference. First operand 161 states and 160 transitions. Second operand 4 states. [2018-10-26 22:41:09,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:09,492 INFO L93 Difference]: Finished difference Result 161 states and 160 transitions. [2018-10-26 22:41:09,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:09,494 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 78 [2018-10-26 22:41:09,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:09,495 INFO L225 Difference]: With dead ends: 161 [2018-10-26 22:41:09,495 INFO L226 Difference]: Without dead ends: 159 [2018-10-26 22:41:09,496 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 [2018-10-26 22:41:09,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-10-26 22:41:09,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-10-26 22:41:09,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-10-26 22:41:09,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 158 transitions. [2018-10-26 22:41:09,503 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 158 transitions. Word has length 78 [2018-10-26 22:41:09,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:09,503 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 158 transitions. [2018-10-26 22:41:09,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 158 transitions. [2018-10-26 22:41:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-26 22:41:09,504 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:09,504 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] [2018-10-26 22:41:09,504 INFO L424 AbstractCegarLoop]: === Iteration 19 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:09,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:09,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1204011998, now seen corresponding path program 1 times [2018-10-26 22:41:09,505 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:09,505 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:09,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:09,751 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:09,775 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:09,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:09,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:09,789 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:09,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:09,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:09,789 INFO L87 Difference]: Start difference. First operand 159 states and 158 transitions. Second operand 4 states. [2018-10-26 22:41:09,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:09,801 INFO L93 Difference]: Finished difference Result 159 states and 158 transitions. [2018-10-26 22:41:09,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:09,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 82 [2018-10-26 22:41:09,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:09,803 INFO L225 Difference]: With dead ends: 159 [2018-10-26 22:41:09,803 INFO L226 Difference]: Without dead ends: 157 [2018-10-26 22:41:09,803 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 [2018-10-26 22:41:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-10-26 22:41:09,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-10-26 22:41:09,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-10-26 22:41:09,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 156 transitions. [2018-10-26 22:41:09,807 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 156 transitions. Word has length 82 [2018-10-26 22:41:09,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:09,807 INFO L481 AbstractCegarLoop]: Abstraction has 157 states and 156 transitions. [2018-10-26 22:41:09,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:09,807 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 156 transitions. [2018-10-26 22:41:09,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 22:41:09,808 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:09,808 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] [2018-10-26 22:41:09,809 INFO L424 AbstractCegarLoop]: === Iteration 20 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:09,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:09,809 INFO L82 PathProgramCache]: Analyzing trace with hash 2122645928, now seen corresponding path program 1 times [2018-10-26 22:41:09,809 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:09,809 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:09,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:10,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:10,118 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:10,132 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:10,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:10,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:10,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:10,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:10,133 INFO L87 Difference]: Start difference. First operand 157 states and 156 transitions. Second operand 4 states. [2018-10-26 22:41:10,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:10,152 INFO L93 Difference]: Finished difference Result 157 states and 156 transitions. [2018-10-26 22:41:10,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:10,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 86 [2018-10-26 22:41:10,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:10,155 INFO L225 Difference]: With dead ends: 157 [2018-10-26 22:41:10,155 INFO L226 Difference]: Without dead ends: 155 [2018-10-26 22:41:10,155 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 [2018-10-26 22:41:10,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-10-26 22:41:10,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-10-26 22:41:10,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-10-26 22:41:10,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 154 transitions. [2018-10-26 22:41:10,157 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 154 transitions. Word has length 86 [2018-10-26 22:41:10,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:10,157 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 154 transitions. [2018-10-26 22:41:10,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 154 transitions. [2018-10-26 22:41:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 22:41:10,161 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:10,161 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] [2018-10-26 22:41:10,162 INFO L424 AbstractCegarLoop]: === Iteration 21 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:10,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:10,162 INFO L82 PathProgramCache]: Analyzing trace with hash -746051662, now seen corresponding path program 1 times [2018-10-26 22:41:10,162 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:10,162 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:10,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:10,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:10,514 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:10,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:10,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:10,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:10,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:10,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:10,526 INFO L87 Difference]: Start difference. First operand 155 states and 154 transitions. Second operand 4 states. [2018-10-26 22:41:10,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:10,540 INFO L93 Difference]: Finished difference Result 155 states and 154 transitions. [2018-10-26 22:41:10,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:10,541 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-10-26 22:41:10,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:10,542 INFO L225 Difference]: With dead ends: 155 [2018-10-26 22:41:10,542 INFO L226 Difference]: Without dead ends: 153 [2018-10-26 22:41:10,542 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:41:10,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-10-26 22:41:10,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-10-26 22:41:10,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-10-26 22:41:10,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 152 transitions. [2018-10-26 22:41:10,545 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 152 transitions. Word has length 90 [2018-10-26 22:41:10,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:10,546 INFO L481 AbstractCegarLoop]: Abstraction has 153 states and 152 transitions. [2018-10-26 22:41:10,546 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:10,550 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 152 transitions. [2018-10-26 22:41:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:41:10,551 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:10,551 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] [2018-10-26 22:41:10,551 INFO L424 AbstractCegarLoop]: === Iteration 22 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:10,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:10,552 INFO L82 PathProgramCache]: Analyzing trace with hash 119477756, now seen corresponding path program 1 times [2018-10-26 22:41:10,552 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:10,552 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 23 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:10,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 23 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:10,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:10,918 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:10,929 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:10,929 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:10,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:10,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:10,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:10,930 INFO L87 Difference]: Start difference. First operand 153 states and 152 transitions. Second operand 4 states. [2018-10-26 22:41:10,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:10,971 INFO L93 Difference]: Finished difference Result 153 states and 152 transitions. [2018-10-26 22:41:10,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:10,975 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-10-26 22:41:10,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:10,976 INFO L225 Difference]: With dead ends: 153 [2018-10-26 22:41:10,976 INFO L226 Difference]: Without dead ends: 151 [2018-10-26 22:41:10,976 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 [2018-10-26 22:41:10,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-10-26 22:41:10,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-10-26 22:41:10,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-10-26 22:41:10,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 150 transitions. [2018-10-26 22:41:10,979 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 150 transitions. Word has length 94 [2018-10-26 22:41:10,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:10,980 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 150 transitions. [2018-10-26 22:41:10,980 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 150 transitions. [2018-10-26 22:41:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 22:41:10,981 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:10,981 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] [2018-10-26 22:41:10,981 INFO L424 AbstractCegarLoop]: === Iteration 23 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:10,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:10,982 INFO L82 PathProgramCache]: Analyzing trace with hash 282651744, now seen corresponding path program 1 times [2018-10-26 22:41:10,982 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:10,982 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 24 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:10,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 24 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:12,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:12,458 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:12,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:12,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:41:12,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:41:12,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:41:12,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:41:12,476 INFO L87 Difference]: Start difference. First operand 151 states and 150 transitions. Second operand 5 states. [2018-10-26 22:41:12,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:12,573 INFO L93 Difference]: Finished difference Result 151 states and 150 transitions. [2018-10-26 22:41:12,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:41:12,574 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 99 [2018-10-26 22:41:12,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:12,575 INFO L225 Difference]: With dead ends: 151 [2018-10-26 22:41:12,575 INFO L226 Difference]: Without dead ends: 149 [2018-10-26 22:41:12,575 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 [2018-10-26 22:41:12,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-10-26 22:41:12,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-10-26 22:41:12,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-10-26 22:41:12,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 148 transitions. [2018-10-26 22:41:12,579 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 148 transitions. Word has length 99 [2018-10-26 22:41:12,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:12,580 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 148 transitions. [2018-10-26 22:41:12,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:41:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 148 transitions. [2018-10-26 22:41:12,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 22:41:12,580 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:12,581 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] [2018-10-26 22:41:12,581 INFO L424 AbstractCegarLoop]: === Iteration 24 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:12,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:12,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1192273006, now seen corresponding path program 1 times [2018-10-26 22:41:12,587 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:12,587 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 25 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:12,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 25 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:13,639 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:13,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:13,671 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:13,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:13,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:13,689 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:13,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:13,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:13,690 INFO L87 Difference]: Start difference. First operand 149 states and 148 transitions. Second operand 4 states. [2018-10-26 22:41:13,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:13,746 INFO L93 Difference]: Finished difference Result 149 states and 148 transitions. [2018-10-26 22:41:13,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:13,746 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-10-26 22:41:13,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:13,747 INFO L225 Difference]: With dead ends: 149 [2018-10-26 22:41:13,747 INFO L226 Difference]: Without dead ends: 147 [2018-10-26 22:41:13,747 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 [2018-10-26 22:41:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-10-26 22:41:13,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-10-26 22:41:13,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-10-26 22:41:13,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 146 transitions. [2018-10-26 22:41:13,750 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 146 transitions. Word has length 105 [2018-10-26 22:41:13,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:13,751 INFO L481 AbstractCegarLoop]: Abstraction has 147 states and 146 transitions. [2018-10-26 22:41:13,751 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:13,751 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 146 transitions. [2018-10-26 22:41:13,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 22:41:13,751 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:13,751 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] [2018-10-26 22:41:13,752 INFO L424 AbstractCegarLoop]: === Iteration 25 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:13,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:13,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1137775140, now seen corresponding path program 1 times [2018-10-26 22:41:13,752 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:13,752 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:13,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:14,796 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:14,815 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:14,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:14,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:14,832 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:14,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:14,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:14,833 INFO L87 Difference]: Start difference. First operand 147 states and 146 transitions. Second operand 4 states. [2018-10-26 22:41:14,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:14,849 INFO L93 Difference]: Finished difference Result 147 states and 146 transitions. [2018-10-26 22:41:14,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:14,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-10-26 22:41:14,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:14,850 INFO L225 Difference]: With dead ends: 147 [2018-10-26 22:41:14,851 INFO L226 Difference]: Without dead ends: 145 [2018-10-26 22:41:14,851 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 [2018-10-26 22:41:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-10-26 22:41:14,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-10-26 22:41:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-10-26 22:41:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 144 transitions. [2018-10-26 22:41:14,854 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 144 transitions. Word has length 109 [2018-10-26 22:41:14,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:14,854 INFO L481 AbstractCegarLoop]: Abstraction has 145 states and 144 transitions. [2018-10-26 22:41:14,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 144 transitions. [2018-10-26 22:41:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-26 22:41:14,855 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:14,855 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] [2018-10-26 22:41:14,855 INFO L424 AbstractCegarLoop]: === Iteration 26 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:14,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:14,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1669009711, now seen corresponding path program 1 times [2018-10-26 22:41:14,856 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:14,856 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:14,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:15,865 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:15,931 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:15,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:15,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:15,948 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:15,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:15,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:15,949 INFO L87 Difference]: Start difference. First operand 145 states and 144 transitions. Second operand 4 states. [2018-10-26 22:41:15,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:15,991 INFO L93 Difference]: Finished difference Result 145 states and 144 transitions. [2018-10-26 22:41:15,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:15,993 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-10-26 22:41:15,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:15,994 INFO L225 Difference]: With dead ends: 145 [2018-10-26 22:41:15,994 INFO L226 Difference]: Without dead ends: 143 [2018-10-26 22:41:15,994 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 [2018-10-26 22:41:15,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-10-26 22:41:15,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-10-26 22:41:15,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-10-26 22:41:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 142 transitions. [2018-10-26 22:41:15,997 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 142 transitions. Word has length 114 [2018-10-26 22:41:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:16,002 INFO L481 AbstractCegarLoop]: Abstraction has 143 states and 142 transitions. [2018-10-26 22:41:16,002 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 142 transitions. [2018-10-26 22:41:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-26 22:41:16,003 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:16,003 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] [2018-10-26 22:41:16,003 INFO L424 AbstractCegarLoop]: === Iteration 27 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:16,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:16,004 INFO L82 PathProgramCache]: Analyzing trace with hash -397261285, now seen corresponding path program 1 times [2018-10-26 22:41:16,004 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:16,004 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 28 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:16,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 28 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:17,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:17,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:17,076 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:17,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:17,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:17,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:17,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:17,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:17,094 INFO L87 Difference]: Start difference. First operand 143 states and 142 transitions. Second operand 4 states. [2018-10-26 22:41:17,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:17,127 INFO L93 Difference]: Finished difference Result 143 states and 142 transitions. [2018-10-26 22:41:17,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:17,128 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 118 [2018-10-26 22:41:17,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:17,129 INFO L225 Difference]: With dead ends: 143 [2018-10-26 22:41:17,129 INFO L226 Difference]: Without dead ends: 141 [2018-10-26 22:41:17,129 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 [2018-10-26 22:41:17,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-26 22:41:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-10-26 22:41:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-26 22:41:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 140 transitions. [2018-10-26 22:41:17,132 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 140 transitions. Word has length 118 [2018-10-26 22:41:17,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:17,133 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 140 transitions. [2018-10-26 22:41:17,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 140 transitions. [2018-10-26 22:41:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-26 22:41:17,134 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:17,134 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] [2018-10-26 22:41:17,134 INFO L424 AbstractCegarLoop]: === Iteration 28 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:17,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:17,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1404618149, now seen corresponding path program 1 times [2018-10-26 22:41:17,135 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:17,135 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/mathsat Starting monitored process 29 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:41:17,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 29 with mathsat -unsat_core_generation=3 [2018-10-26 22:41:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:18,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:18,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:18,377 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:18,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:18,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:18,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:18,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:18,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:18,394 INFO L87 Difference]: Start difference. First operand 141 states and 140 transitions. Second operand 4 states. [2018-10-26 22:41:18,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:18,405 INFO L93 Difference]: Finished difference Result 141 states and 140 transitions. [2018-10-26 22:41:18,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:18,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2018-10-26 22:41:18,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:18,406 INFO L225 Difference]: With dead ends: 141 [2018-10-26 22:41:18,406 INFO L226 Difference]: Without dead ends: 139 [2018-10-26 22:41:18,407 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 [2018-10-26 22:41:18,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-10-26 22:41:18,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-10-26 22:41:18,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-10-26 22:41:18,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 138 transitions. [2018-10-26 22:41:18,418 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 138 transitions. Word has length 122 [2018-10-26 22:41:18,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:18,419 INFO L481 AbstractCegarLoop]: Abstraction has 139 states and 138 transitions. [2018-10-26 22:41:18,419 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:18,419 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 138 transitions. [2018-10-26 22:41:18,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-26 22:41:18,419 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:18,420 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] [2018-10-26 22:41:18,420 INFO L424 AbstractCegarLoop]: === Iteration 29 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:18,420 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:18,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1586868881, now seen corresponding path program 1 times [2018-10-26 22:41:18,420 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:18,421 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:18,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:20,207 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:20,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:20,237 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:20,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:20,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:20,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:20,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:20,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:20,263 INFO L87 Difference]: Start difference. First operand 139 states and 138 transitions. Second operand 4 states. [2018-10-26 22:41:20,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:20,296 INFO L93 Difference]: Finished difference Result 139 states and 138 transitions. [2018-10-26 22:41:20,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:20,298 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2018-10-26 22:41:20,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:20,299 INFO L225 Difference]: With dead ends: 139 [2018-10-26 22:41:20,299 INFO L226 Difference]: Without dead ends: 137 [2018-10-26 22:41:20,299 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 [2018-10-26 22:41:20,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-10-26 22:41:20,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-10-26 22:41:20,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-10-26 22:41:20,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 136 transitions. [2018-10-26 22:41:20,307 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 136 transitions. Word has length 126 [2018-10-26 22:41:20,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:20,308 INFO L481 AbstractCegarLoop]: Abstraction has 137 states and 136 transitions. [2018-10-26 22:41:20,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:20,308 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 136 transitions. [2018-10-26 22:41:20,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 22:41:20,309 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:20,309 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] [2018-10-26 22:41:20,309 INFO L424 AbstractCegarLoop]: === Iteration 30 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:20,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:20,310 INFO L82 PathProgramCache]: Analyzing trace with hash 673758585, now seen corresponding path program 1 times [2018-10-26 22:41:20,310 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:20,310 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:20,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:22,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:22,122 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:22,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:22,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:22,148 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:22,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:22,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:22,148 INFO L87 Difference]: Start difference. First operand 137 states and 136 transitions. Second operand 4 states. [2018-10-26 22:41:22,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:22,163 INFO L93 Difference]: Finished difference Result 137 states and 136 transitions. [2018-10-26 22:41:22,163 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:22,163 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2018-10-26 22:41:22,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:22,164 INFO L225 Difference]: With dead ends: 137 [2018-10-26 22:41:22,164 INFO L226 Difference]: Without dead ends: 135 [2018-10-26 22:41:22,165 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 [2018-10-26 22:41:22,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-10-26 22:41:22,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-10-26 22:41:22,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-10-26 22:41:22,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 134 transitions. [2018-10-26 22:41:22,167 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 134 transitions. Word has length 130 [2018-10-26 22:41:22,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:22,168 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 134 transitions. [2018-10-26 22:41:22,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:22,168 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 134 transitions. [2018-10-26 22:41:22,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-26 22:41:22,169 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:22,169 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] [2018-10-26 22:41:22,169 INFO L424 AbstractCegarLoop]: === Iteration 31 === [mainErr25ASSERT_VIOLATIONERROR_FUNCTION, mainErr3ASSERT_VIOLATIONERROR_FUNCTION, mainErr30ASSERT_VIOLATIONERROR_FUNCTION, mainErr26ASSERT_VIOLATIONERROR_FUNCTION, mainErr11ASSERT_VIOLATIONERROR_FUNCTION, mainErr21ASSERT_VIOLATIONERROR_FUNCTION, mainErr36ASSERT_VIOLATIONERROR_FUNCTION, mainErr19ASSERT_VIOLATIONERROR_FUNCTION, mainErr33ASSERT_VIOLATIONERROR_FUNCTION, mainErr7ASSERT_VIOLATIONERROR_FUNCTION, mainErr13ASSERT_VIOLATIONERROR_FUNCTION, mainErr37ASSERT_VIOLATIONERROR_FUNCTION, mainErr32ASSERT_VIOLATIONERROR_FUNCTION, mainErr4ASSERT_VIOLATIONERROR_FUNCTION, mainErr24ASSERT_VIOLATIONERROR_FUNCTION, mainErr15ASSERT_VIOLATIONERROR_FUNCTION, mainErr20ASSERT_VIOLATIONERROR_FUNCTION, mainErr10ASSERT_VIOLATIONERROR_FUNCTION, mainErr29ASSERT_VIOLATIONERROR_FUNCTION, mainErr27ASSERT_VIOLATIONERROR_FUNCTION, mainErr28ASSERT_VIOLATIONERROR_FUNCTION, mainErr8ASSERT_VIOLATIONERROR_FUNCTION, mainErr14ASSERT_VIOLATIONERROR_FUNCTION, mainErr5ASSERT_VIOLATIONERROR_FUNCTION, mainErr35ASSERT_VIOLATIONERROR_FUNCTION, mainErr31ASSERT_VIOLATIONERROR_FUNCTION, mainErr16ASSERT_VIOLATIONERROR_FUNCTION, mainErr34ASSERT_VIOLATIONERROR_FUNCTION, mainErr22ASSERT_VIOLATIONERROR_FUNCTION, mainErr23ASSERT_VIOLATIONERROR_FUNCTION, mainErr12ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr9ASSERT_VIOLATIONERROR_FUNCTION, mainErr18ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION, mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr6ASSERT_VIOLATIONERROR_FUNCTION, mainErr17ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:22,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:22,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1254487491, now seen corresponding path program 1 times [2018-10-26 22:41:22,170 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:41:22,170 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/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 [2018-10-26 22:41:22,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:23,942 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:41:23,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:41:23,974 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:41:23,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:23,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:41:23,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:41:23,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:41:23,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:41:23,999 INFO L87 Difference]: Start difference. First operand 135 states and 134 transitions. Second operand 4 states. [2018-10-26 22:41:24,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:24,011 INFO L93 Difference]: Finished difference Result 135 states and 134 transitions. [2018-10-26 22:41:24,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:41:24,012 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2018-10-26 22:41:24,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:24,012 INFO L225 Difference]: With dead ends: 135 [2018-10-26 22:41:24,012 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:41:24,013 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 [2018-10-26 22:41:24,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:41:24,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:41:24,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:41:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:41:24,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2018-10-26 22:41:24,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:24,014 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:41:24,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:41:24,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:41:24,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:41:24,019 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:41:24,113 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 22:41:24,113 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point L960(line 960) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point L993-1(line 993) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point L960-2(line 960) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point L993-3(line 993) no Hoare annotation was computed. [2018-10-26 22:41:24,113 INFO L425 ceAbstractionStarter]: For program point L993-4(line 993) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L960-4(line 960) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L993-5(line 993) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L960-5(line 960) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L960-6(line 960) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L993-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 952 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L960-8(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point mainErr36ASSERT_VIOLATIONERROR_FUNCTION(line 1007) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point mainErr26ASSERT_VIOLATIONERROR_FUNCTION(line 997) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L994-1(line 994) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L961-1(line 961) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L994-3(line 994) no Hoare annotation was computed. [2018-10-26 22:41:24,114 INFO L425 ceAbstractionStarter]: For program point L961-3(line 961) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L994-4(line 994) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L961-4(line 961) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L994-5(line 994) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L961-5(line 961) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L994-7(line 994) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L961-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point mainErr33ASSERT_VIOLATIONERROR_FUNCTION(line 1004) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L962-1(line 962) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L962-3(line 962) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L962-4(line 962) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L962-5(line 962) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L962-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point mainErr30ASSERT_VIOLATIONERROR_FUNCTION(line 1001) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L997(line 997) no Hoare annotation was computed. [2018-10-26 22:41:24,115 INFO L425 ceAbstractionStarter]: For program point L964-1(line 964) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point mainErr7ASSERT_VIOLATIONERROR_FUNCTION(line 970) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L997-2(line 997) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L964-3(line 964) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L997-4(line 997) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L964-4(line 964) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L997-5(line 997) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L964-5(line 964) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L997-6(line 997) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L964-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L997-8(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point mainErr17ASSERT_VIOLATIONERROR_FUNCTION(line 984) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L998(line 998) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L965-1(line 965) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L998-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,116 INFO L425 ceAbstractionStarter]: For program point L965-3(line 965) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L965-4(line 965) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L965-5(line 965) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L965-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L999(line 999) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L999-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point mainErr32ASSERT_VIOLATIONERROR_FUNCTION(line 1003) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point mainErr14ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point mainErr12ASSERT_VIOLATIONERROR_FUNCTION(line 977) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L1000-1(line 1000) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L1000-3(line 1000) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L1000-4(line 1000) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L1000-5(line 1000) no Hoare annotation was computed. [2018-10-26 22:41:24,117 INFO L425 ceAbstractionStarter]: For program point L1000-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,118 INFO L425 ceAbstractionStarter]: For program point L1001-1(line 1001) no Hoare annotation was computed. [2018-10-26 22:41:24,118 INFO L425 ceAbstractionStarter]: For program point L968-1(line 968) no Hoare annotation was computed. [2018-10-26 22:41:24,118 INFO L425 ceAbstractionStarter]: For program point L1001-3(line 1001) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L968-3(line 968) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L1001-4(line 1001) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L968-4(line 968) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L1001-5(line 1001) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L968-5(line 968) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L1001-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L968-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,130 INFO L425 ceAbstractionStarter]: For program point L1002(line 1002) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L969-1(line 969) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1002-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L969-3(line 969) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L969-4(line 969) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L969-5(line 969) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point mainErr6ASSERT_VIOLATIONERROR_FUNCTION(line 969) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L969-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L970(line 970) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1003-1(line 1003) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L970-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1003-3(line 1003) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1003-4(line 1003) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1003-5(line 1003) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1003-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,131 INFO L425 ceAbstractionStarter]: For program point L1004-1(line 1004) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L971-1(line 971) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1004-3(line 1004) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L971-3(line 971) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point mainErr13ASSERT_VIOLATIONERROR_FUNCTION(line 978) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1004-4(line 1004) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L971-4(line 971) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1004-5(line 1004) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L971-5(line 971) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1004-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L971-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1005-1(line 1005) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L972-1(line 972) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1005-3(line 1005) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L972-3(line 972) no Hoare annotation was computed. [2018-10-26 22:41:24,132 INFO L425 ceAbstractionStarter]: For program point L1005-4(line 1005) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L972-4(line 972) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1005-5(line 1005) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L972-5(line 972) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1005-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L972-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point mainErr28ASSERT_VIOLATIONERROR_FUNCTION(line 999) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1006-1(line 1006) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1006-3(line 1006) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1006-4(line 1006) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1006-5(line 1006) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1006-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1007-1(line 1007) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1007-3(line 1007) no Hoare annotation was computed. [2018-10-26 22:41:24,133 INFO L425 ceAbstractionStarter]: For program point L1007-4(line 1007) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1007-5(line 1007) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1007-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point mainErr27ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1008-1(line 1008) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L975-1(line 975) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1008-3(line 1008) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L975-3(line 975) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1008-4(line 1008) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L975-4(line 975) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1008-5(line 1008) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L975-5(line 975) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L1008-7(lines 952 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point L975-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,134 INFO L425 ceAbstractionStarter]: For program point mainErr15ASSERT_VIOLATIONERROR_FUNCTION(line 982) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point mainErr22ASSERT_VIOLATIONERROR_FUNCTION(line 989) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L976-1(line 976) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L976-3(line 976) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L976-4(line 976) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L976-5(line 976) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L976-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point mainErr29ASSERT_VIOLATIONERROR_FUNCTION(line 1000) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point mainErr35ASSERT_VIOLATIONERROR_FUNCTION(line 1006) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point mainErr37ASSERT_VIOLATIONERROR_FUNCTION(line 1008) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L977(line 977) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L977-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point mainErr4ASSERT_VIOLATIONERROR_FUNCTION(line 965) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point mainErr24ASSERT_VIOLATIONERROR_FUNCTION(line 993) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-10-26 22:41:24,135 INFO L425 ceAbstractionStarter]: For program point L978-3(line 978) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L978-4(line 978) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L978-5(line 978) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L978-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point mainErr19ASSERT_VIOLATIONERROR_FUNCTION(line 986) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L979-1(line 979) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L979-3(line 979) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L979-4(line 979) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L979-5(line 979) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point mainErr8ASSERT_VIOLATIONERROR_FUNCTION(line 971) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point L979-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point mainErr20ASSERT_VIOLATIONERROR_FUNCTION(line 987) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point mainErr16ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point mainErr25ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-10-26 22:41:24,136 INFO L425 ceAbstractionStarter]: For program point mainErr23ASSERT_VIOLATIONERROR_FUNCTION(line 990) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point mainErr31ASSERT_VIOLATIONERROR_FUNCTION(line 1002) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point mainErr3ASSERT_VIOLATIONERROR_FUNCTION(line 964) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L982-1(line 982) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L982-3(line 982) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L982-4(line 982) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L982-5(line 982) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L982-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point mainErr9ASSERT_VIOLATIONERROR_FUNCTION(line 972) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L983-3(line 983) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L983-4(line 983) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L983-5(line 983) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point L983-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point mainErr10ASSERT_VIOLATIONERROR_FUNCTION(line 975) no Hoare annotation was computed. [2018-10-26 22:41:24,137 INFO L425 ceAbstractionStarter]: For program point mainErr18ASSERT_VIOLATIONERROR_FUNCTION(line 985) no Hoare annotation was computed. [2018-10-26 22:41:24,138 INFO L425 ceAbstractionStarter]: For program point L984(line 984) no Hoare annotation was computed. [2018-10-26 22:41:24,138 INFO L425 ceAbstractionStarter]: For program point L984-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,138 INFO L425 ceAbstractionStarter]: For program point L985(line 985) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L985-2(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L986-1(line 986) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L986-3(line 986) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L986-4(line 986) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L986-5(line 986) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L986-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point mainErr21ASSERT_VIOLATIONERROR_FUNCTION(line 988) no Hoare annotation was computed. [2018-10-26 22:41:24,150 INFO L425 ceAbstractionStarter]: For program point L987-1(line 987) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L987-3(line 987) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L987-4(line 987) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L987-5(line 987) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L987-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 952 1011) the Hoare annotation is: true [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L988-1(line 988) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L988-3(line 988) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L988-4(line 988) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L988-5(line 988) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L988-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 962) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point mainErr34ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L989-1(line 989) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L989-3(line 989) no Hoare annotation was computed. [2018-10-26 22:41:24,151 INFO L425 ceAbstractionStarter]: For program point L989-4(line 989) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L989-5(line 989) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L989-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point mainErr11ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L990-1(line 990) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L990-3(line 990) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L990-4(line 990) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L990-5(line 990) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point L990-7(lines 953 1011) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 960) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point mainErr5ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-10-26 22:41:24,152 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 961) no Hoare annotation was computed. [2018-10-26 22:41:24,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:41:24 BoogieIcfgContainer [2018-10-26 22:41:24,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:41:24,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:41:24,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:41:24,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:41:24,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:41:04" (3/4) ... [2018-10-26 22:41:24,174 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:41:24,183 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:41:24,184 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:41:24,201 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2018-10-26 22:41:24,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 22:41:24,218 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 22:41:24,356 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d86e3eff-3486-42a4-b07d-ac9258757094/bin-2019/utaipan/witness.graphml [2018-10-26 22:41:24,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:41:24,360 INFO L168 Benchmark]: Toolchain (without parser) took 22006.85 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 266.9 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -156.5 MB). Peak memory consumption was 110.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:41:24,360 INFO L168 Benchmark]: CDTParser took 0.20 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. [2018-10-26 22:41:24,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1133.20 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 817.7 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:41:24,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.52 ms. Allocated memory is still 1.0 GB. Free memory is still 817.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:41:24,361 INFO L168 Benchmark]: Boogie Preprocessor took 110.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 817.7 MB in the beginning and 1.1 GB in the end (delta: -265.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:41:24,361 INFO L168 Benchmark]: RCFGBuilder took 1132.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:41:24,362 INFO L168 Benchmark]: TraceAbstraction took 19385.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -94.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:41:24,362 INFO L168 Benchmark]: Witness Printer took 201.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:41:24,364 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 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 1133.20 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 817.7 MB in the end (delta: 128.9 MB). Peak memory consumption was 128.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.52 ms. Allocated memory is still 1.0 GB. Free memory is still 817.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 110.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 85.5 MB). Free memory was 817.7 MB in the beginning and 1.1 GB in the end (delta: -265.6 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1132.86 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 41.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19385.98 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -94.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 11.5 GB. * Witness Printer took 201.29 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: 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: 1001]: 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: 976]: 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: 1007]: 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: 1004]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 970]: 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: 1008]: 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: 965]: 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 - PositiveResult [Line: 982]: 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: 975]: 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: 998]: 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: 971]: 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: 968]: 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: 1002]: 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: 1005]: 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: 977]: 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: 972]: 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: 960]: 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: 969]: 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 - 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, 19.3s OverallTime, 31 OverallIterations, 1 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4966 SDtfs, 81 SDslu, 9617 SDs, 0 SdLazy, 119 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2160 GetRequests, 2069 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s 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, 13.5s SatisfiabilityAnalysisTime, 3.1s 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...