./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:22:47,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:47,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:47,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:47,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:47,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:47,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:47,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:47,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:47,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:47,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:47,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:47,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:47,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:47,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:47,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:47,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:47,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:47,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:47,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:47,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:47,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:47,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:47,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:47,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:47,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:47,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:47,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:47,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:47,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:47,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:47,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:47,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:47,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:47,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:47,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:47,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:47,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:47,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:47,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:47,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:47,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-10-22 11:22:47,885 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:47,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:47,886 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:47,887 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:47,887 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:47,887 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:47,887 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:47,887 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:47,888 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:47,888 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:47,888 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:47,888 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:47,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:47,889 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:47,889 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:47,889 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:47,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:47,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 11:22:47,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:47,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 11:22:47,890 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:47,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 11:22:47,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 11:22:47,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:47,891 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:47,891 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:47,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:47,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:47,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:47,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:47,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 11:22:47,893 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:47,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:47,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 11:22:47,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:47,893 INFO L138 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_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2019-10-22 11:22:47,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:47,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:47,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:47,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:47,937 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:47,937 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2019-10-22 11:22:47,988 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/data/717242270/622aaafada7a427ebf3778e473776763/FLAGaed57d60f [2019-10-22 11:22:48,502 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:48,505 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2019-10-22 11:22:48,519 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/data/717242270/622aaafada7a427ebf3778e473776763/FLAGaed57d60f [2019-10-22 11:22:48,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/data/717242270/622aaafada7a427ebf3778e473776763 [2019-10-22 11:22:48,971 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:48,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:48,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:48,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:48,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:48,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:48" (1/1) ... [2019-10-22 11:22:48,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b09f14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:48, skipping insertion in model container [2019-10-22 11:22:48,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:48" (1/1) ... [2019-10-22 11:22:48,993 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:49,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:49,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:49,442 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:49,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:49,585 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:49,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49 WrapperNode [2019-10-22 11:22:49,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:49,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:49,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:49,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:49,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:49,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:49,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:49,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:49,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... [2019-10-22 11:22:49,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:49,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:49,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:49,718 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:49,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/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 [2019-10-22 11:22:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:22:49,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:22:49,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:49,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:50,731 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:50,732 INFO L284 CfgBuilder]: Removed 198 assume(true) statements. [2019-10-22 11:22:50,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:50 BoogieIcfgContainer [2019-10-22 11:22:50,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:50,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:50,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:50,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:48" (1/3) ... [2019-10-22 11:22:50,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87aa16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:50, skipping insertion in model container [2019-10-22 11:22:50,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:49" (2/3) ... [2019-10-22 11:22:50,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87aa16a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:50, skipping insertion in model container [2019-10-22 11:22:50,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:50" (3/3) ... [2019-10-22 11:22:50,742 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2019-10-22 11:22:50,752 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:50,761 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2019-10-22 11:22:50,774 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-10-22 11:22:50,802 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:50,802 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 11:22:50,802 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:50,802 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:50,802 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:50,802 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:50,803 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:50,803 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:50,822 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2019-10-22 11:22:50,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:22:50,830 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:50,830 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:50,833 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:50,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:50,839 INFO L82 PathProgramCache]: Analyzing trace with hash 325683581, now seen corresponding path program 1 times [2019-10-22 11:22:50,849 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:50,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721547016] [2019-10-22 11:22:50,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:50,850 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:50,850 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:51,161 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721547016] [2019-10-22 11:22:51,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:51,162 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:51,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017531217] [2019-10-22 11:22:51,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-22 11:22:51,171 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:51,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-22 11:22:51,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:51,185 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 2 states. [2019-10-22 11:22:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:51,223 INFO L93 Difference]: Finished difference Result 256 states and 383 transitions. [2019-10-22 11:22:51,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-22 11:22:51,225 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2019-10-22 11:22:51,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:51,239 INFO L225 Difference]: With dead ends: 256 [2019-10-22 11:22:51,239 INFO L226 Difference]: Without dead ends: 127 [2019-10-22 11:22:51,242 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-22 11:22:51,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-10-22 11:22:51,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-10-22 11:22:51,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-10-22 11:22:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 183 transitions. [2019-10-22 11:22:51,288 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 183 transitions. Word has length 16 [2019-10-22 11:22:51,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:51,290 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 183 transitions. [2019-10-22 11:22:51,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-22 11:22:51,291 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 183 transitions. [2019-10-22 11:22:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-22 11:22:51,291 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:51,292 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:51,292 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:51,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:51,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1302516555, now seen corresponding path program 1 times [2019-10-22 11:22:51,293 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:51,293 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242774440] [2019-10-22 11:22:51,293 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,293 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:51,431 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242774440] [2019-10-22 11:22:51,431 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:51,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:51,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354537784] [2019-10-22 11:22:51,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:51,433 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:51,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:51,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:51,434 INFO L87 Difference]: Start difference. First operand 127 states and 183 transitions. Second operand 3 states. [2019-10-22 11:22:51,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:51,451 INFO L93 Difference]: Finished difference Result 127 states and 183 transitions. [2019-10-22 11:22:51,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:51,452 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-22 11:22:51,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:51,453 INFO L225 Difference]: With dead ends: 127 [2019-10-22 11:22:51,453 INFO L226 Difference]: Without dead ends: 53 [2019-10-22 11:22:51,454 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:51,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-22 11:22:51,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-22 11:22:51,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-22 11:22:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2019-10-22 11:22:51,461 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2019-10-22 11:22:51,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:51,462 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2019-10-22 11:22:51,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2019-10-22 11:22:51,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:51,463 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:51,463 INFO L380 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] [2019-10-22 11:22:51,463 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:51,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:51,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1189907750, now seen corresponding path program 1 times [2019-10-22 11:22:51,464 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:51,464 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719751607] [2019-10-22 11:22:51,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:51,566 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719751607] [2019-10-22 11:22:51,567 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:51,567 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:51,567 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18837488] [2019-10-22 11:22:51,568 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:51,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:51,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:51,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:51,571 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand 3 states. [2019-10-22 11:22:51,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:51,639 INFO L93 Difference]: Finished difference Result 147 states and 216 transitions. [2019-10-22 11:22:51,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:51,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2019-10-22 11:22:51,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:51,641 INFO L225 Difference]: With dead ends: 147 [2019-10-22 11:22:51,641 INFO L226 Difference]: Without dead ends: 100 [2019-10-22 11:22:51,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:51,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2019-10-22 11:22:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 96. [2019-10-22 11:22:51,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-10-22 11:22:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 141 transitions. [2019-10-22 11:22:51,655 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 141 transitions. Word has length 22 [2019-10-22 11:22:51,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:51,655 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 141 transitions. [2019-10-22 11:22:51,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:51,656 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 141 transitions. [2019-10-22 11:22:51,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:22:51,657 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:51,657 INFO L380 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] [2019-10-22 11:22:51,657 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:51,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:51,658 INFO L82 PathProgramCache]: Analyzing trace with hash 752688312, now seen corresponding path program 1 times [2019-10-22 11:22:51,658 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:51,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592867365] [2019-10-22 11:22:51,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,658 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:51,751 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592867365] [2019-10-22 11:22:51,751 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:51,751 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:51,752 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750960359] [2019-10-22 11:22:51,752 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:51,752 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:51,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:51,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:51,753 INFO L87 Difference]: Start difference. First operand 96 states and 141 transitions. Second operand 3 states. [2019-10-22 11:22:51,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:51,798 INFO L93 Difference]: Finished difference Result 227 states and 338 transitions. [2019-10-22 11:22:51,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:51,799 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2019-10-22 11:22:51,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:51,800 INFO L225 Difference]: With dead ends: 227 [2019-10-22 11:22:51,800 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 11:22:51,801 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:51,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 11:22:51,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 135. [2019-10-22 11:22:51,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-22 11:22:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 195 transitions. [2019-10-22 11:22:51,816 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 195 transitions. Word has length 24 [2019-10-22 11:22:51,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:51,817 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 195 transitions. [2019-10-22 11:22:51,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:51,817 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 195 transitions. [2019-10-22 11:22:51,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:22:51,824 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:51,824 INFO L380 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] [2019-10-22 11:22:51,825 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:51,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:51,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1744683281, now seen corresponding path program 1 times [2019-10-22 11:22:51,825 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:51,826 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226332009] [2019-10-22 11:22:51,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,826 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:51,826 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:51,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:51,936 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226332009] [2019-10-22 11:22:51,936 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:51,937 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:51,937 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385075222] [2019-10-22 11:22:51,937 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:51,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:51,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:51,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:51,939 INFO L87 Difference]: Start difference. First operand 135 states and 195 transitions. Second operand 5 states. [2019-10-22 11:22:52,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:52,115 INFO L93 Difference]: Finished difference Result 676 states and 993 transitions. [2019-10-22 11:22:52,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:52,116 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:22:52,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:52,119 INFO L225 Difference]: With dead ends: 676 [2019-10-22 11:22:52,120 INFO L226 Difference]: Without dead ends: 547 [2019-10-22 11:22:52,121 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:52,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-10-22 11:22:52,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 254. [2019-10-22 11:22:52,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-10-22 11:22:52,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 363 transitions. [2019-10-22 11:22:52,170 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 363 transitions. Word has length 25 [2019-10-22 11:22:52,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:52,170 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 363 transitions. [2019-10-22 11:22:52,170 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 363 transitions. [2019-10-22 11:22:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:22:52,172 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:52,172 INFO L380 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] [2019-10-22 11:22:52,172 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:52,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1948490375, now seen corresponding path program 1 times [2019-10-22 11:22:52,173 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:52,174 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476500349] [2019-10-22 11:22:52,174 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,174 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:52,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:52,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476500349] [2019-10-22 11:22:52,297 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:52,297 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:22:52,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884351613] [2019-10-22 11:22:52,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:52,298 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:52,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:52,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:52,299 INFO L87 Difference]: Start difference. First operand 254 states and 363 transitions. Second operand 5 states. [2019-10-22 11:22:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:52,473 INFO L93 Difference]: Finished difference Result 744 states and 1066 transitions. [2019-10-22 11:22:52,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:52,473 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-10-22 11:22:52,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:52,477 INFO L225 Difference]: With dead ends: 744 [2019-10-22 11:22:52,478 INFO L226 Difference]: Without dead ends: 742 [2019-10-22 11:22:52,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:52,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2019-10-22 11:22:52,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 254. [2019-10-22 11:22:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 254 states. [2019-10-22 11:22:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 361 transitions. [2019-10-22 11:22:52,512 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 361 transitions. Word has length 26 [2019-10-22 11:22:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:52,512 INFO L462 AbstractCegarLoop]: Abstraction has 254 states and 361 transitions. [2019-10-22 11:22:52,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 361 transitions. [2019-10-22 11:22:52,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:22:52,514 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:52,514 INFO L380 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] [2019-10-22 11:22:52,515 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:52,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:52,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1292268752, now seen corresponding path program 1 times [2019-10-22 11:22:52,515 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:52,516 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045179920] [2019-10-22 11:22:52,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,516 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:52,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:52,569 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045179920] [2019-10-22 11:22:52,569 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:52,569 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:52,570 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410298017] [2019-10-22 11:22:52,570 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:52,570 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:52,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:52,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:52,571 INFO L87 Difference]: Start difference. First operand 254 states and 361 transitions. Second operand 3 states. [2019-10-22 11:22:52,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:52,619 INFO L93 Difference]: Finished difference Result 690 states and 981 transitions. [2019-10-22 11:22:52,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:52,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2019-10-22 11:22:52,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:52,622 INFO L225 Difference]: With dead ends: 690 [2019-10-22 11:22:52,622 INFO L226 Difference]: Without dead ends: 442 [2019-10-22 11:22:52,623 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:52,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2019-10-22 11:22:52,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 440. [2019-10-22 11:22:52,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-22 11:22:52,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 609 transitions. [2019-10-22 11:22:52,654 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 609 transitions. Word has length 34 [2019-10-22 11:22:52,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:52,655 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 609 transitions. [2019-10-22 11:22:52,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:52,655 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 609 transitions. [2019-10-22 11:22:52,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:22:52,657 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:52,657 INFO L380 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] [2019-10-22 11:22:52,658 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:52,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:52,658 INFO L82 PathProgramCache]: Analyzing trace with hash -12405074, now seen corresponding path program 1 times [2019-10-22 11:22:52,658 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:52,658 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024429200] [2019-10-22 11:22:52,659 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,659 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:52,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:52,716 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024429200] [2019-10-22 11:22:52,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:52,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:52,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140315405] [2019-10-22 11:22:52,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:52,717 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:52,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:52,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:52,718 INFO L87 Difference]: Start difference. First operand 440 states and 609 transitions. Second operand 5 states. [2019-10-22 11:22:52,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:52,846 INFO L93 Difference]: Finished difference Result 1222 states and 1668 transitions. [2019-10-22 11:22:52,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:52,847 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:22:52,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:52,851 INFO L225 Difference]: With dead ends: 1222 [2019-10-22 11:22:52,851 INFO L226 Difference]: Without dead ends: 788 [2019-10-22 11:22:52,852 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:22:52,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-10-22 11:22:52,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 476. [2019-10-22 11:22:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-22 11:22:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 645 transitions. [2019-10-22 11:22:52,899 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 645 transitions. Word has length 34 [2019-10-22 11:22:52,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:52,899 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 645 transitions. [2019-10-22 11:22:52,899 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:52,900 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 645 transitions. [2019-10-22 11:22:52,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:22:52,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:52,901 INFO L380 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] [2019-10-22 11:22:52,902 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:52,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:52,902 INFO L82 PathProgramCache]: Analyzing trace with hash -599211088, now seen corresponding path program 1 times [2019-10-22 11:22:52,902 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:52,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573033132] [2019-10-22 11:22:52,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:52,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:52,957 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573033132] [2019-10-22 11:22:52,957 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:52,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:52,958 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648407858] [2019-10-22 11:22:52,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:22:52,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:52,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:22:52,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:52,959 INFO L87 Difference]: Start difference. First operand 476 states and 645 transitions. Second operand 5 states. [2019-10-22 11:22:53,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:53,166 INFO L93 Difference]: Finished difference Result 1140 states and 1521 transitions. [2019-10-22 11:22:53,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:22:53,166 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:22:53,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:53,169 INFO L225 Difference]: With dead ends: 1140 [2019-10-22 11:22:53,169 INFO L226 Difference]: Without dead ends: 670 [2019-10-22 11:22:53,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:53,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 670 states. [2019-10-22 11:22:53,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 670 to 398. [2019-10-22 11:22:53,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-22 11:22:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 527 transitions. [2019-10-22 11:22:53,203 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 527 transitions. Word has length 34 [2019-10-22 11:22:53,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:53,204 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 527 transitions. [2019-10-22 11:22:53,204 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:22:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 527 transitions. [2019-10-22 11:22:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:22:53,205 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:53,205 INFO L380 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] [2019-10-22 11:22:53,206 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:53,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:53,206 INFO L82 PathProgramCache]: Analyzing trace with hash -362639056, now seen corresponding path program 1 times [2019-10-22 11:22:53,206 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:53,207 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872218782] [2019-10-22 11:22:53,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:53,207 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:53,207 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:53,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:53,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872218782] [2019-10-22 11:22:53,277 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:53,277 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:22:53,278 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759255078] [2019-10-22 11:22:53,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:22:53,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:53,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:22:53,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:53,279 INFO L87 Difference]: Start difference. First operand 398 states and 527 transitions. Second operand 8 states. [2019-10-22 11:22:53,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:53,986 INFO L93 Difference]: Finished difference Result 1933 states and 2554 transitions. [2019-10-22 11:22:53,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-10-22 11:22:53,986 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2019-10-22 11:22:53,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:53,991 INFO L225 Difference]: With dead ends: 1933 [2019-10-22 11:22:53,992 INFO L226 Difference]: Without dead ends: 1541 [2019-10-22 11:22:53,993 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=190, Invalid=512, Unknown=0, NotChecked=0, Total=702 [2019-10-22 11:22:53,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1541 states. [2019-10-22 11:22:54,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1541 to 398. [2019-10-22 11:22:54,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-22 11:22:54,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 517 transitions. [2019-10-22 11:22:54,045 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 517 transitions. Word has length 35 [2019-10-22 11:22:54,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,046 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 517 transitions. [2019-10-22 11:22:54,046 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:22:54,046 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 517 transitions. [2019-10-22 11:22:54,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-10-22 11:22:54,047 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,047 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,048 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:54,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,048 INFO L82 PathProgramCache]: Analyzing trace with hash -304303788, now seen corresponding path program 1 times [2019-10-22 11:22:54,048 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,048 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263137297] [2019-10-22 11:22:54,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,049 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,049 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,085 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 11:22:54,085 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263137297] [2019-10-22 11:22:54,085 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:54,085 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:54,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001263720] [2019-10-22 11:22:54,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:54,086 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:54,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:54,087 INFO L87 Difference]: Start difference. First operand 398 states and 517 transitions. Second operand 3 states. [2019-10-22 11:22:54,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,161 INFO L93 Difference]: Finished difference Result 676 states and 876 transitions. [2019-10-22 11:22:54,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:54,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-10-22 11:22:54,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,162 INFO L225 Difference]: With dead ends: 676 [2019-10-22 11:22:54,163 INFO L226 Difference]: Without dead ends: 284 [2019-10-22 11:22:54,163 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:54,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2019-10-22 11:22:54,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 276. [2019-10-22 11:22:54,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2019-10-22 11:22:54,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 353 transitions. [2019-10-22 11:22:54,187 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 353 transitions. Word has length 53 [2019-10-22 11:22:54,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,188 INFO L462 AbstractCegarLoop]: Abstraction has 276 states and 353 transitions. [2019-10-22 11:22:54,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:54,188 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 353 transitions. [2019-10-22 11:22:54,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-10-22 11:22:54,189 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:54,189 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:54,189 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 11:22:54,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:54,190 INFO L82 PathProgramCache]: Analyzing trace with hash 653132802, now seen corresponding path program 1 times [2019-10-22 11:22:54,190 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:54,190 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611060512] [2019-10-22 11:22:54,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,190 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:54,190 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,255 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 11:22:54,256 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611060512] [2019-10-22 11:22:54,256 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245426587] [2019-10-22 11:22:54,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:54,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 7 conjunts are in the unsatisfiable core [2019-10-22 11:22:54,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 11:22:54,449 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:54,493 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 11:22:54,493 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-22 11:22:54,493 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 11 [2019-10-22 11:22:54,493 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558340670] [2019-10-22 11:22:54,494 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:54,494 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:54,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:54,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:54,495 INFO L87 Difference]: Start difference. First operand 276 states and 353 transitions. Second operand 6 states. [2019-10-22 11:22:54,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:54,783 INFO L93 Difference]: Finished difference Result 759 states and 974 transitions. [2019-10-22 11:22:54,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-22 11:22:54,783 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-10-22 11:22:54,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:54,784 INFO L225 Difference]: With dead ends: 759 [2019-10-22 11:22:54,784 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 11:22:54,785 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 109 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=247, Unknown=0, NotChecked=0, Total=342 [2019-10-22 11:22:54,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 11:22:54,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 11:22:54,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 11:22:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 11:22:54,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2019-10-22 11:22:54,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:54,786 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 11:22:54,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:54,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 11:22:54,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 11:22:54,988 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:54,991 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 11:22:55,203 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 46 [2019-10-22 11:22:55,413 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2019-10-22 11:22:55,644 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 54 [2019-10-22 11:22:56,207 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 176 [2019-10-22 11:22:56,727 WARN L191 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 167 [2019-10-22 11:22:56,893 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 114 [2019-10-22 11:22:57,359 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 171 [2019-10-22 11:22:57,699 WARN L191 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 123 [2019-10-22 11:22:58,054 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 151 [2019-10-22 11:22:58,187 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 116 [2019-10-22 11:22:58,671 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-10-22 11:22:59,592 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 20 [2019-10-22 11:22:59,707 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 20 [2019-10-22 11:23:00,289 WARN L191 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 25 [2019-10-22 11:23:00,573 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 27 [2019-10-22 11:23:01,139 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 20 [2019-10-22 11:23:01,465 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 13 [2019-10-22 11:23:01,903 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 20 [2019-10-22 11:23:02,178 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 25 [2019-10-22 11:23:02,211 INFO L439 ceAbstractionStarter]: At program point L135(lines 126 139) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:02,211 INFO L439 ceAbstractionStarter]: At program point L135-1(lines 126 139) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2))) [2019-10-22 11:23:02,211 INFO L439 ceAbstractionStarter]: At program point L135-2(lines 126 139) the Hoare annotation is: false [2019-10-22 11:23:02,212 INFO L439 ceAbstractionStarter]: At program point L135-3(lines 126 139) the Hoare annotation is: false [2019-10-22 11:23:02,212 INFO L439 ceAbstractionStarter]: At program point L135-4(lines 126 139) the Hoare annotation is: false [2019-10-22 11:23:02,212 INFO L439 ceAbstractionStarter]: At program point L135-5(lines 126 139) the Hoare annotation is: false [2019-10-22 11:23:02,212 INFO L439 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: false [2019-10-22 11:23:02,212 INFO L439 ceAbstractionStarter]: At program point L202(lines 198 204) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:02,212 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-10-22 11:23:02,212 INFO L443 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2019-10-22 11:23:02,212 INFO L443 ceAbstractionStarter]: For program point L863-2(line 863) no Hoare annotation was computed. [2019-10-22 11:23:02,212 INFO L439 ceAbstractionStarter]: At program point L831(lines 816 834) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L831-1(lines 816 834) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L831-2(lines 816 834) the Hoare annotation is: false [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L831-3(lines 816 834) the Hoare annotation is: false [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L831-4(lines 816 834) the Hoare annotation is: false [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L831-5(lines 816 834) the Hoare annotation is: false [2019-10-22 11:23:02,213 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L898-1(lines 898 904) the Hoare annotation is: (let ((.cse2 (= 1 ~methaneLevelCritical~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse3 (= 0 ~systemActive~0))) (or (and (and (and .cse0 .cse1) .cse2) .cse3) (and .cse4 .cse1 .cse2) (and .cse4 .cse5 .cse1) (and (and .cse5 .cse0 .cse1) .cse3))) [2019-10-22 11:23:02,213 INFO L446 ceAbstractionStarter]: At program point L238(lines 219 241) the Hoare annotation is: true [2019-10-22 11:23:02,213 INFO L439 ceAbstractionStarter]: At program point L767(lines 760 770) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-1(lines 760 770) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-2(lines 760 770) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 (<= 1 |ULTIMATE.start_isMethaneAlarm_#res|) .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-3(lines 760 770) the Hoare annotation is: false [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-4(lines 760 770) the Hoare annotation is: false [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-5(lines 760 770) the Hoare annotation is: false [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-6(lines 760 770) the Hoare annotation is: false [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-7(lines 760 770) the Hoare annotation is: false [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L767-8(lines 760 770) the Hoare annotation is: false [2019-10-22 11:23:02,214 INFO L439 ceAbstractionStarter]: At program point L967(lines 962 970) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L77(lines 77 81) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L706-1(lines 706 723) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L706-2(lines 706 723) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L439 ceAbstractionStarter]: At program point L839-1(lines 839 845) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (= 1 ~methaneLevelCritical~0)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1))) [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L742-2(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L742-4(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L742-6(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:23:02,215 INFO L443 ceAbstractionStarter]: For program point L742-8(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:23:02,216 INFO L443 ceAbstractionStarter]: For program point L742-10(lines 742 748) no Hoare annotation was computed. [2019-10-22 11:23:02,216 INFO L443 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2019-10-22 11:23:02,216 INFO L439 ceAbstractionStarter]: At program point L776(lines 771 779) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0))) (or (and .cse0 (and (and (= 1 ~systemActive~0) .cse1 .cse2 .cse3) .cse4)) (and .cse1 .cse0 .cse2 .cse3 .cse4 (= 0 ~systemActive~0)))) [2019-10-22 11:23:02,216 INFO L439 ceAbstractionStarter]: At program point L776-1(lines 771 779) the Hoare annotation is: false [2019-10-22 11:23:02,216 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2019-10-22 11:23:02,216 INFO L439 ceAbstractionStarter]: At program point L776-2(lines 771 779) the Hoare annotation is: false [2019-10-22 11:23:02,216 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 710 718) no Hoare annotation was computed. [2019-10-22 11:23:02,216 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 718) no Hoare annotation was computed. [2019-10-22 11:23:02,217 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2019-10-22 11:23:02,217 INFO L443 ceAbstractionStarter]: For program point L680-1(lines 680 697) no Hoare annotation was computed. [2019-10-22 11:23:02,217 INFO L443 ceAbstractionStarter]: For program point L680-2(lines 680 697) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L680-3(lines 680 697) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L680-4(lines 680 697) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L680-5(lines 680 697) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L53(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L53-6(lines 53 57) no Hoare annotation was computed. [2019-10-22 11:23:02,218 INFO L439 ceAbstractionStarter]: At program point L648(lines 647 666) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 .cse2 .cse5) (and .cse4 .cse0 .cse2) (and (and (and .cse1 .cse2) .cse5) .cse3))) [2019-10-22 11:23:02,218 INFO L443 ceAbstractionStarter]: For program point L648-1(lines 648 654) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L439 ceAbstractionStarter]: At program point L648-2(lines 647 666) the Hoare annotation is: false [2019-10-22 11:23:02,219 INFO L439 ceAbstractionStarter]: At program point L648-3(lines 647 666) the Hoare annotation is: false [2019-10-22 11:23:02,219 INFO L439 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: false [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 684 692) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L684-2(lines 684 692) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L684-3(lines 684 692) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L684-4(lines 684 692) no Hoare annotation was computed. [2019-10-22 11:23:02,219 INFO L443 ceAbstractionStarter]: For program point L684-5(lines 684 692) no Hoare annotation was computed. [2019-10-22 11:23:02,220 INFO L439 ceAbstractionStarter]: At program point L90(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and (and .cse0 .cse1) (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= 1 ~methaneLevelCritical~0)) (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1))) [2019-10-22 11:23:02,220 INFO L439 ceAbstractionStarter]: At program point L90-1(lines 85 93) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) (= ~pumpRunning~0 0) (= 0 ULTIMATE.start_test_~splverifierCounter~0)) [2019-10-22 11:23:02,220 INFO L439 ceAbstractionStarter]: At program point L90-2(lines 85 93) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2) (and .cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse1 .cse2 (= 1 ~methaneLevelCritical~0)))) [2019-10-22 11:23:02,220 INFO L439 ceAbstractionStarter]: At program point L90-3(lines 85 93) the Hoare annotation is: (let ((.cse1 (= 1 ~systemActive~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse7 (= 0 ~systemActive~0))) (or (and .cse0 (and (and .cse1 .cse2 .cse3) .cse4)) (and .cse1 .cse5 .cse6 .cse3) (and (and .cse5 .cse6 .cse2 .cse3) .cse7) (and (and (and .cse2 .cse3) .cse4) .cse0 .cse7))) [2019-10-22 11:23:02,220 INFO L439 ceAbstractionStarter]: At program point L90-4(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,220 INFO L439 ceAbstractionStarter]: At program point L90-5(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,220 INFO L443 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2019-10-22 11:23:02,221 INFO L439 ceAbstractionStarter]: At program point L90-6(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,221 INFO L439 ceAbstractionStarter]: At program point L916-1(lines 648 654) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 .cse2 .cse5) (and .cse4 .cse0 .cse2) (and (and (and .cse1 .cse2) .cse5) .cse3))) [2019-10-22 11:23:02,221 INFO L439 ceAbstractionStarter]: At program point L90-7(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,221 INFO L439 ceAbstractionStarter]: At program point L90-8(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,221 INFO L439 ceAbstractionStarter]: At program point L90-9(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,221 INFO L439 ceAbstractionStarter]: At program point L90-10(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,222 INFO L439 ceAbstractionStarter]: At program point L90-11(lines 85 93) the Hoare annotation is: false [2019-10-22 11:23:02,222 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2019-10-22 11:23:02,222 INFO L439 ceAbstractionStarter]: At program point L619-1(lines 1 970) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (and .cse1 .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2) (and (and (and .cse5 .cse1 .cse2) .cse3) .cse0) (and .cse5 .cse7 .cse6 .cse8 .cse2) (and (and .cse7 .cse6 .cse8 .cse1 .cse2) .cse4))) [2019-10-22 11:23:02,222 INFO L443 ceAbstractionStarter]: For program point L619-2(lines 619 632) no Hoare annotation was computed. [2019-10-22 11:23:02,222 INFO L439 ceAbstractionStarter]: At program point L619-3(lines 1 970) the Hoare annotation is: false [2019-10-22 11:23:02,222 INFO L443 ceAbstractionStarter]: For program point L619-4(lines 619 632) no Hoare annotation was computed. [2019-10-22 11:23:02,222 INFO L439 ceAbstractionStarter]: At program point L619-5(lines 1 970) the Hoare annotation is: false [2019-10-22 11:23:02,222 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 11:23:02,222 INFO L443 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2019-10-22 11:23:02,222 INFO L443 ceAbstractionStarter]: For program point L157-1(lines 648 654) no Hoare annotation was computed. [2019-10-22 11:23:02,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-22 11:23:02,223 INFO L439 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse5 (= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~systemActive~0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (and .cse4 (and .cse0 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|) .cse2)) (and (and .cse4 .cse1 .cse2) .cse5) (and .cse4 .cse0 .cse1 .cse2) (and (and (and .cse1 .cse2) .cse5) .cse3))) [2019-10-22 11:23:02,223 INFO L439 ceAbstractionStarter]: At program point L655-1(lines 655 661) the Hoare annotation is: false [2019-10-22 11:23:02,223 INFO L439 ceAbstractionStarter]: At program point L655-2(lines 655 661) the Hoare annotation is: false [2019-10-22 11:23:02,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-22 11:23:02,223 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 11:23:02,223 INFO L443 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2019-10-22 11:23:02,223 INFO L443 ceAbstractionStarter]: For program point L623-2(lines 623 629) no Hoare annotation was computed. [2019-10-22 11:23:02,223 INFO L443 ceAbstractionStarter]: For program point L623-4(lines 623 629) no Hoare annotation was computed. [2019-10-22 11:23:02,224 INFO L443 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2019-10-22 11:23:02,224 INFO L439 ceAbstractionStarter]: At program point L888-1(lines 888 894) the Hoare annotation is: (let ((.cse3 (= 1 ~methaneLevelCritical~0)) (.cse0 (<= 1 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse5 (= 1 ~systemActive~0)) (.cse7 (= ULTIMATE.start___utac_acc__Specification1_spec__1_~tmp~4 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse8 (= 0 |ULTIMATE.start_isMethaneLevelCritical_#res|)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 0 ULTIMATE.start_test_~splverifierCounter~0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (and .cse1 .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2) (and (and (and .cse5 .cse1 .cse2) .cse3) .cse0) (and .cse5 .cse7 .cse6 .cse8 .cse2) (and (and .cse7 .cse6 .cse8 .cse1 .cse2) .cse4))) [2019-10-22 11:23:02,224 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2019-10-22 11:23:02,224 INFO L446 ceAbstractionStarter]: At program point L229-1(lines 229 236) the Hoare annotation is: true [2019-10-22 11:23:02,224 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2019-10-22 11:23:02,224 INFO L443 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:23:02,224 INFO L443 ceAbstractionStarter]: For program point L130-1(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:23:02,224 INFO L443 ceAbstractionStarter]: For program point L130-2(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:23:02,225 INFO L443 ceAbstractionStarter]: For program point L130-3(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:23:02,225 INFO L443 ceAbstractionStarter]: For program point L130-4(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:23:02,225 INFO L443 ceAbstractionStarter]: For program point L130-5(lines 130 136) no Hoare annotation was computed. [2019-10-22 11:23:02,225 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2019-10-22 11:23:02,225 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-3(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-5(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-6(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-8(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-9(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-11(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-12(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-14(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-15(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,226 INFO L443 ceAbstractionStarter]: For program point L825-17(lines 825 829) no Hoare annotation was computed. [2019-10-22 11:23:02,227 INFO L439 ceAbstractionStarter]: At program point L959(lines 1 970) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-10-22 11:23:02,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:23:02 BoogieIcfgContainer [2019-10-22 11:23:02,248 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:23:02,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:23:02,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:23:02,255 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:23:02,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:50" (3/4) ... [2019-10-22 11:23:02,258 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 11:23:02,274 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2019-10-22 11:23:02,275 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2019-10-22 11:23:02,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-10-22 11:23:02,276 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 11:23:02,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 11:23:02,277 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-10-22 11:23:02,302 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= \result && pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result)) || ((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((((tmp == 0 && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-10-22 11:23:02,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1 <= \result && pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result)) || ((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((((tmp == 0 && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) [2019-10-22 11:23:02,303 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (1 == systemActive && (0 == methaneLevelCritical && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-10-22 11:23:02,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 <= \result && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == systemActive) [2019-10-22 11:23:02,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:23:02,305 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 <= \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) [2019-10-22 11:23:02,306 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (1 <= \result && (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((\result == 0 && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) [2019-10-22 11:23:02,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:02,307 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:02,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:02,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= \result) && pumpRunning == 0) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) [2019-10-22 11:23:02,308 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:02,309 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter [2019-10-22 11:23:02,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1191e881-e7e1-4a8e-a6fd-4ab002ce692d/bin/utaipan/witness.graphml [2019-10-22 11:23:02,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:23:02,387 INFO L168 Benchmark]: Toolchain (without parser) took 13415.20 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.9 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -152.5 MB). Peak memory consumption was 223.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:02,387 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:02,388 INFO L168 Benchmark]: CACSL2BoogieTranslator took 613.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:02,388 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:02,388 INFO L168 Benchmark]: Boogie Preprocessor took 48.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:02,388 INFO L168 Benchmark]: RCFGBuilder took 1015.51 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:02,389 INFO L168 Benchmark]: TraceAbstraction took 11514.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -110.5 MB). Peak memory consumption was 527.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:02,389 INFO L168 Benchmark]: Witness Printer took 137.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:02,390 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 613.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -135.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1015.51 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11514.23 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.2 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -110.5 MB). Peak memory consumption was 527.0 MB. Max. memory is 11.5 GB. * Witness Printer took 137.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((((((1 <= \result && pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result)) || ((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((((tmp == 0 && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 <= \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: (1 <= \result && (((1 == systemActive && \result == 0) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((((\result == 0 && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 771]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 647]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 655]: Loop Invariant Derived loop invariant: ((((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || (1 == systemActive && (0 == methaneLevelCritical && 0 == \result) && 0 == splverifierCounter)) || (((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((1 <= \result && pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || (((1 == systemActive && 0 == methaneLevelCritical) && pumpRunning == 0) && 0 == splverifierCounter)) || ((((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result)) || ((((1 == systemActive && tmp == 0) && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || (((((tmp == 0 && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 648]: Loop Invariant Derived loop invariant: (((((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) - InvariantResult [Line: 962]: Loop Invariant Derived loop invariant: ((1 == systemActive && 0 == methaneLevelCritical) && 1 == waterLevel) && pumpRunning == 0 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) || ((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == splverifierCounter) && 1 <= \result) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 0 == systemActive) || ((1 == systemActive && 0 == splverifierCounter) && 1 == methaneLevelCritical)) || ((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter)) || (((0 == methaneLevelCritical && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive) - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || (((((1 == systemActive && 1 <= \result) && pumpRunning == 0) && 1 <= \result) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 <= \result && ((1 == systemActive && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) || (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && 0 == splverifierCounter)) || ((((0 == methaneLevelCritical && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) && 0 == systemActive)) || ((((pumpRunning == 0 && 0 == splverifierCounter) && 1 == methaneLevelCritical) && 1 <= \result) && 0 == systemActive) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter) || ((((1 == systemActive && 1 <= \result) && pumpRunning == 0) && 0 == splverifierCounter) && 1 == methaneLevelCritical) - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: (((1 == systemActive && 0 == methaneLevelCritical) && 0 == \result) && pumpRunning == 0) && 0 == splverifierCounter - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 131 locations, 3 error locations. Result: SAFE, OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 2, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.2s, HoareTripleCheckerStatistics: 1467 SDtfs, 2113 SDslu, 3141 SDs, 0 SdLazy, 489 SolverSat, 94 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 219 GetRequests, 142 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=476occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2524 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 314 NumberOfFragments, 840 HoareAnnotationTreeSize, 56 FomulaSimplifications, 2771639 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 198871 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 428 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 468 ConstructedInterpolants, 0 QuantifiedInterpolants, 28279 SizeOfPredicates, 6 NumberOfNonLiveVariables, 416 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 54/56 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...