./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6539c3f80a02f7679497281344dc3da1a82da6c .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:19:20,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:19:20,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:19:20,788 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:19:20,788 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:19:20,789 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:19:20,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:19:20,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:19:20,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:19:20,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:19:20,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:19:20,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:19:20,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:19:20,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:19:20,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:19:20,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:19:20,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:19:20,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:19:20,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:19:20,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:19:20,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:19:20,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:19:20,801 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:19:20,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:19:20,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:19:20,802 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:19:20,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:19:20,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:19:20,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:19:20,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:19:20,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:19:20,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:19:20,805 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:19:20,805 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:19:20,806 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:19:20,806 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:19:20,807 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:19:20,814 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:19:20,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:19:20,815 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:19:20,815 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:19:20,815 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:19:20,816 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:19:20,816 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:19:20,817 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:19:20,817 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:19:20,817 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:19:20,817 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:19:20,817 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:19:20,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:19:20,819 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:19:20,819 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:19:20,819 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:19:20,819 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:19:20,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:19:20,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:19:20,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:19:20,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:19:20,820 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:19:20,820 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:19:20,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:19:20,820 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:19:20,820 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-11-18 15:19:20,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:19:20,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:19:20,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:19:20,856 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:19:20,856 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:19:20,857 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-18 15:19:20,895 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/data/7e511db47/95ec1e1884804fc89e9cf685f9c6a743/FLAGee774fffe [2018-11-18 15:19:21,333 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:19:21,334 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-18 15:19:21,341 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/data/7e511db47/95ec1e1884804fc89e9cf685f9c6a743/FLAGee774fffe [2018-11-18 15:19:21,352 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/data/7e511db47/95ec1e1884804fc89e9cf685f9c6a743 [2018-11-18 15:19:21,354 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:19:21,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:19:21,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:21,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:19:21,359 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:19:21,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21, skipping insertion in model container [2018-11-18 15:19:21,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:19:21,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:19:21,597 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:21,604 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:19:21,701 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:19:21,718 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:19:21,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21 WrapperNode [2018-11-18 15:19:21,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:19:21,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:21,719 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:19:21,719 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:19:21,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:19:21,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:19:21,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:19:21,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:19:21,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... [2018-11-18 15:19:21,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:19:21,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:19:21,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:19:21,777 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:19:21,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:19:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:19:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:19:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:19:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:19:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:19:21,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:19:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:19:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:19:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:19:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:19:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:19:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:19:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:19:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:19:21,815 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:19:21,815 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:19:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:19:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:19:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:19:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:19:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:19:21,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:19:21,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:19:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:19:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:19:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:19:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:19:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:19:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:19:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:19:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:19:21,817 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:19:21,817 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:19:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:19:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:19:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:19:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:19:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:19:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:19:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:19:21,818 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:19:21,818 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:19:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:19:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:19:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:19:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:19:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:19:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:19:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:19:21,819 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:19:21,819 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:19:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:19:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:19:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:19:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:19:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:19:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:19:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:19:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:19:21,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:19:21,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:19:21,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:19:21,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:19:22,286 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:19:22,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:22 BoogieIcfgContainer [2018-11-18 15:19:22,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:19:22,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:19:22,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:19:22,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:19:22,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:19:21" (1/3) ... [2018-11-18 15:19:22,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ddcea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:19:22, skipping insertion in model container [2018-11-18 15:19:22,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:19:21" (2/3) ... [2018-11-18 15:19:22,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ddcea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:19:22, skipping insertion in model container [2018-11-18 15:19:22,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:22" (3/3) ... [2018-11-18 15:19:22,292 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-18 15:19:22,298 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:19:22,305 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:19:22,314 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:19:22,336 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:19:22,336 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:19:22,336 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:19:22,336 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:19:22,337 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:19:22,337 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:19:22,337 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:19:22,337 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:19:22,351 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-11-18 15:19:22,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 15:19:22,358 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:22,358 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:22,360 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:22,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:22,365 INFO L82 PathProgramCache]: Analyzing trace with hash 22220981, now seen corresponding path program 1 times [2018-11-18 15:19:22,367 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:22,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:22,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:22,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:22,397 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:22,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:22,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:22,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:22,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:19:22,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:22,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:19:22,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:19:22,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:19:22,577 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-11-18 15:19:22,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:22,607 INFO L93 Difference]: Finished difference Result 298 states and 365 transitions. [2018-11-18 15:19:22,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:19:22,609 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 15:19:22,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:22,617 INFO L225 Difference]: With dead ends: 298 [2018-11-18 15:19:22,618 INFO L226 Difference]: Without dead ends: 151 [2018-11-18 15:19:22,621 INFO L604 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 [2018-11-18 15:19:22,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-18 15:19:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-18 15:19:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-18 15:19:22,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 176 transitions. [2018-11-18 15:19:22,658 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 176 transitions. Word has length 51 [2018-11-18 15:19:22,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:22,659 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 176 transitions. [2018-11-18 15:19:22,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:19:22,659 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 176 transitions. [2018-11-18 15:19:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 15:19:22,661 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:22,662 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:22,662 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:22,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:22,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1488293778, now seen corresponding path program 1 times [2018-11-18 15:19:22,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:22,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:22,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:22,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:22,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:22,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:22,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:19:22,756 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:22,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:19:22,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:19:22,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:19:22,758 INFO L87 Difference]: Start difference. First operand 151 states and 176 transitions. Second operand 3 states. [2018-11-18 15:19:22,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:22,794 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-11-18 15:19:22,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:19:22,795 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 15:19:22,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:22,796 INFO L225 Difference]: With dead ends: 241 [2018-11-18 15:19:22,796 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 15:19:22,797 INFO L604 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 [2018-11-18 15:19:22,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 15:19:22,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-18 15:19:22,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 15:19:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-18 15:19:22,808 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-11-18 15:19:22,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:22,808 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-18 15:19:22,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:19:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-18 15:19:22,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:19:22,811 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:22,811 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:22,813 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:22,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:22,814 INFO L82 PathProgramCache]: Analyzing trace with hash 1529779139, now seen corresponding path program 1 times [2018-11-18 15:19:22,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:22,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:22,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:22,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:22,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:22,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:22,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:19:22,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:22,947 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:19:22,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:19:22,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:22,948 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-11-18 15:19:23,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:23,309 INFO L93 Difference]: Finished difference Result 254 states and 299 transitions. [2018-11-18 15:19:23,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:19:23,309 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 15:19:23,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:23,311 INFO L225 Difference]: With dead ends: 254 [2018-11-18 15:19:23,311 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 15:19:23,312 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:19:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 15:19:23,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-18 15:19:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 15:19:23,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-11-18 15:19:23,324 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-11-18 15:19:23,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:23,324 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-11-18 15:19:23,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:19:23,324 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-11-18 15:19:23,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 15:19:23,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:23,326 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:23,327 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:23,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:23,327 INFO L82 PathProgramCache]: Analyzing trace with hash 222894734, now seen corresponding path program 1 times [2018-11-18 15:19:23,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:23,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:23,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:23,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:23,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:23,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:23,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:19:23,442 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:23,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:19:23,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:19:23,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:19:23,443 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-11-18 15:19:23,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:23,981 INFO L93 Difference]: Finished difference Result 359 states and 431 transitions. [2018-11-18 15:19:23,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:19:23,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 15:19:23,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:23,984 INFO L225 Difference]: With dead ends: 359 [2018-11-18 15:19:23,984 INFO L226 Difference]: Without dead ends: 246 [2018-11-18 15:19:23,985 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:19:23,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-11-18 15:19:24,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 226. [2018-11-18 15:19:24,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-18 15:19:24,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 258 transitions. [2018-11-18 15:19:24,007 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 258 transitions. Word has length 71 [2018-11-18 15:19:24,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:24,007 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 258 transitions. [2018-11-18 15:19:24,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:19:24,007 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 258 transitions. [2018-11-18 15:19:24,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 15:19:24,009 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:24,009 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:24,009 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:24,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:24,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1895967245, now seen corresponding path program 1 times [2018-11-18 15:19:24,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:24,012 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:24,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:24,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:24,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:24,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:24,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:19:24,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:24,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:19:24,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:19:24,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:19:24,092 INFO L87 Difference]: Start difference. First operand 226 states and 258 transitions. Second operand 4 states. [2018-11-18 15:19:24,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:24,277 INFO L93 Difference]: Finished difference Result 759 states and 921 transitions. [2018-11-18 15:19:24,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 15:19:24,278 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2018-11-18 15:19:24,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:24,282 INFO L225 Difference]: With dead ends: 759 [2018-11-18 15:19:24,282 INFO L226 Difference]: Without dead ends: 561 [2018-11-18 15:19:24,283 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:19:24,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-11-18 15:19:24,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 549. [2018-11-18 15:19:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-18 15:19:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 653 transitions. [2018-11-18 15:19:24,318 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 653 transitions. Word has length 85 [2018-11-18 15:19:24,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:24,319 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 653 transitions. [2018-11-18 15:19:24,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:19:24,319 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 653 transitions. [2018-11-18 15:19:24,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 15:19:24,320 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:24,320 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:24,320 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:24,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:24,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1373508052, now seen corresponding path program 1 times [2018-11-18 15:19:24,321 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:24,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:24,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:24,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:24,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:24,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:24,394 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:24,394 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:19:24,394 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:24,395 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:19:24,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:19:24,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:19:24,395 INFO L87 Difference]: Start difference. First operand 549 states and 653 transitions. Second operand 6 states. [2018-11-18 15:19:24,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:24,539 INFO L93 Difference]: Finished difference Result 1548 states and 1895 transitions. [2018-11-18 15:19:24,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:19:24,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 15:19:24,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:24,543 INFO L225 Difference]: With dead ends: 1548 [2018-11-18 15:19:24,544 INFO L226 Difference]: Without dead ends: 1027 [2018-11-18 15:19:24,545 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:19:24,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2018-11-18 15:19:24,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1011. [2018-11-18 15:19:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1011 states. [2018-11-18 15:19:24,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1196 transitions. [2018-11-18 15:19:24,587 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1196 transitions. Word has length 85 [2018-11-18 15:19:24,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:24,588 INFO L480 AbstractCegarLoop]: Abstraction has 1011 states and 1196 transitions. [2018-11-18 15:19:24,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:19:24,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1196 transitions. [2018-11-18 15:19:24,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 15:19:24,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:24,590 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:24,590 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:24,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:24,590 INFO L82 PathProgramCache]: Analyzing trace with hash 429208464, now seen corresponding path program 1 times [2018-11-18 15:19:24,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:24,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:24,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:24,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:24,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:24,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:19:24,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:24,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:19:24,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:24,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:19:24,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:19:24,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:24,669 INFO L87 Difference]: Start difference. First operand 1011 states and 1196 transitions. Second operand 7 states. [2018-11-18 15:19:25,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:25,132 INFO L93 Difference]: Finished difference Result 2089 states and 2541 transitions. [2018-11-18 15:19:25,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:19:25,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-18 15:19:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:25,136 INFO L225 Difference]: With dead ends: 2089 [2018-11-18 15:19:25,136 INFO L226 Difference]: Without dead ends: 1106 [2018-11-18 15:19:25,138 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:19:25,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1106 states. [2018-11-18 15:19:25,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1106 to 1008. [2018-11-18 15:19:25,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1008 states. [2018-11-18 15:19:25,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 1008 states and 1187 transitions. [2018-11-18 15:19:25,173 INFO L78 Accepts]: Start accepts. Automaton has 1008 states and 1187 transitions. Word has length 89 [2018-11-18 15:19:25,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:25,173 INFO L480 AbstractCegarLoop]: Abstraction has 1008 states and 1187 transitions. [2018-11-18 15:19:25,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:19:25,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1187 transitions. [2018-11-18 15:19:25,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:19:25,176 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:25,176 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:25,176 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:25,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:25,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1712057179, now seen corresponding path program 1 times [2018-11-18 15:19:25,176 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:25,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:25,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:25,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:25,177 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:25,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:19:25,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:25,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:19:25,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:25,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:19:25,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:19:25,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:19:25,243 INFO L87 Difference]: Start difference. First operand 1008 states and 1187 transitions. Second operand 6 states. [2018-11-18 15:19:25,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:25,285 INFO L93 Difference]: Finished difference Result 2030 states and 2462 transitions. [2018-11-18 15:19:25,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:19:25,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-18 15:19:25,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:25,288 INFO L225 Difference]: With dead ends: 2030 [2018-11-18 15:19:25,288 INFO L226 Difference]: Without dead ends: 1050 [2018-11-18 15:19:25,290 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:25,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1050 states. [2018-11-18 15:19:25,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1050 to 1038. [2018-11-18 15:19:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1038 states. [2018-11-18 15:19:25,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 1038 states and 1219 transitions. [2018-11-18 15:19:25,321 INFO L78 Accepts]: Start accepts. Automaton has 1038 states and 1219 transitions. Word has length 105 [2018-11-18 15:19:25,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:25,321 INFO L480 AbstractCegarLoop]: Abstraction has 1038 states and 1219 transitions. [2018-11-18 15:19:25,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:19:25,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1219 transitions. [2018-11-18 15:19:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 15:19:25,324 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:25,324 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:25,324 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:25,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:25,325 INFO L82 PathProgramCache]: Analyzing trace with hash -654637415, now seen corresponding path program 1 times [2018-11-18 15:19:25,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:25,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:25,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:25,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:25,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:25,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:19:25,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:25,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 15:19:25,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:25,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 15:19:25,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 15:19:25,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:19:25,407 INFO L87 Difference]: Start difference. First operand 1038 states and 1219 transitions. Second operand 8 states. [2018-11-18 15:19:25,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:25,447 INFO L93 Difference]: Finished difference Result 1844 states and 2214 transitions. [2018-11-18 15:19:25,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:19:25,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2018-11-18 15:19:25,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:25,450 INFO L225 Difference]: With dead ends: 1844 [2018-11-18 15:19:25,450 INFO L226 Difference]: Without dead ends: 834 [2018-11-18 15:19:25,452 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:19:25,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2018-11-18 15:19:25,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 834. [2018-11-18 15:19:25,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 834 states. [2018-11-18 15:19:25,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 967 transitions. [2018-11-18 15:19:25,478 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 967 transitions. Word has length 105 [2018-11-18 15:19:25,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:25,478 INFO L480 AbstractCegarLoop]: Abstraction has 834 states and 967 transitions. [2018-11-18 15:19:25,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 15:19:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 967 transitions. [2018-11-18 15:19:25,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 15:19:25,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:25,479 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:25,480 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:25,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:25,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1168139186, now seen corresponding path program 1 times [2018-11-18 15:19:25,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:25,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:25,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:25,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:25,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:25,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:19:25,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:25,577 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:19:25,578 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-11-18 15:19:25,579 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [71], [77], [81], [85], [88], [93], [96], [101], [107], [112], [120], [121], [124], [126], [129], [131], [134], [137], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [214], [218], [225], [226], [234], [238], [241], [243], [246], [256], [261], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [277], [281], [282], [283], [285], [286], [293], [294], [295], [296], [297], [298], [301], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [323], [324], [325], [327], [328], [329], [331], [332], [333], [334] [2018-11-18 15:19:25,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:19:25,606 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:19:25,996 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:19:25,997 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Performed 2683 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2683 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-18 15:19:26,011 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:26,011 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:19:26,277 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 96.62% of their original sizes. [2018-11-18 15:19:26,277 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:19:26,472 INFO L415 sIntCurrentIteration]: We unified 108 AI predicates to 108 [2018-11-18 15:19:26,472 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:19:26,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:19:26,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-18 15:19:26,473 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:26,473 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 15:19:26,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 15:19:26,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-11-18 15:19:26,474 INFO L87 Difference]: Start difference. First operand 834 states and 967 transitions. Second operand 22 states. [2018-11-18 15:19:32,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:32,554 INFO L93 Difference]: Finished difference Result 2100 states and 2467 transitions. [2018-11-18 15:19:32,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-11-18 15:19:32,554 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 109 [2018-11-18 15:19:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:32,557 INFO L225 Difference]: With dead ends: 2100 [2018-11-18 15:19:32,558 INFO L226 Difference]: Without dead ends: 1294 [2018-11-18 15:19:32,559 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-11-18 15:19:32,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1294 states. [2018-11-18 15:19:32,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1294 to 1288. [2018-11-18 15:19:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1288 states. [2018-11-18 15:19:32,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1288 states to 1288 states and 1475 transitions. [2018-11-18 15:19:32,593 INFO L78 Accepts]: Start accepts. Automaton has 1288 states and 1475 transitions. Word has length 109 [2018-11-18 15:19:32,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:32,594 INFO L480 AbstractCegarLoop]: Abstraction has 1288 states and 1475 transitions. [2018-11-18 15:19:32,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 15:19:32,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1475 transitions. [2018-11-18 15:19:32,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-18 15:19:32,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:32,597 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:32,597 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:32,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:32,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1394856724, now seen corresponding path program 1 times [2018-11-18 15:19:32,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:32,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:32,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:32,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:32,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:32,653 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 15:19:32,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:19:32,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:19:32,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:32,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:19:32,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:19:32,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:19:32,655 INFO L87 Difference]: Start difference. First operand 1288 states and 1475 transitions. Second operand 3 states. [2018-11-18 15:19:32,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:32,702 INFO L93 Difference]: Finished difference Result 1812 states and 2118 transitions. [2018-11-18 15:19:32,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:19:32,703 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-11-18 15:19:32,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:32,708 INFO L225 Difference]: With dead ends: 1812 [2018-11-18 15:19:32,708 INFO L226 Difference]: Without dead ends: 1809 [2018-11-18 15:19:32,709 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:19:32,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2018-11-18 15:19:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1718. [2018-11-18 15:19:32,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2018-11-18 15:19:32,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2011 transitions. [2018-11-18 15:19:32,761 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2011 transitions. Word has length 164 [2018-11-18 15:19:32,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:32,761 INFO L480 AbstractCegarLoop]: Abstraction has 1718 states and 2011 transitions. [2018-11-18 15:19:32,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:19:32,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2011 transitions. [2018-11-18 15:19:32,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 15:19:32,766 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:32,766 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:32,767 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:32,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:32,767 INFO L82 PathProgramCache]: Analyzing trace with hash 981813444, now seen corresponding path program 1 times [2018-11-18 15:19:32,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:32,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:32,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:32,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:32,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:32,863 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 15:19:32,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:32,863 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:19:32,864 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-18 15:19:32,864 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [71], [77], [81], [85], [88], [91], [93], [96], [99], [101], [107], [112], [120], [121], [122], [123], [124], [126], [129], [131], [134], [137], [140], [146], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [211], [214], [218], [224], [225], [226], [229], [231], [233], [234], [238], [241], [243], [246], [253], [256], [261], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [277], [279], [280], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [334], [337], [338] [2018-11-18 15:19:32,867 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:19:32,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:19:35,299 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:19:35,299 INFO L272 AbstractInterpreter]: Visited 141 different actions 1636 times. Merged at 24 different actions 172 times. Widened at 1 different actions 1 times. Performed 57795 root evaluator evaluations with a maximum evaluation depth of 5. Performed 57795 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 49 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 15:19:35,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:35,319 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:19:35,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:35,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:35,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:35,327 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:19:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:35,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-11-18 15:19:35,495 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:19:35,819 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 11 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-18 15:19:35,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:19:35,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-18 15:19:35,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:35,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:19:35,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:19:35,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:19:35,837 INFO L87 Difference]: Start difference. First operand 1718 states and 2011 transitions. Second operand 5 states. [2018-11-18 15:19:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:36,267 INFO L93 Difference]: Finished difference Result 3428 states and 4216 transitions. [2018-11-18 15:19:36,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:19:36,267 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 230 [2018-11-18 15:19:36,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:36,273 INFO L225 Difference]: With dead ends: 3428 [2018-11-18 15:19:36,273 INFO L226 Difference]: Without dead ends: 2164 [2018-11-18 15:19:36,275 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 460 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:19:36,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2164 states. [2018-11-18 15:19:36,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2164 to 1985. [2018-11-18 15:19:36,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1985 states. [2018-11-18 15:19:36,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1985 states to 1985 states and 2379 transitions. [2018-11-18 15:19:36,358 INFO L78 Accepts]: Start accepts. Automaton has 1985 states and 2379 transitions. Word has length 230 [2018-11-18 15:19:36,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:36,359 INFO L480 AbstractCegarLoop]: Abstraction has 1985 states and 2379 transitions. [2018-11-18 15:19:36,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:19:36,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 2379 transitions. [2018-11-18 15:19:36,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 15:19:36,363 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:36,363 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:36,363 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:36,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:36,364 INFO L82 PathProgramCache]: Analyzing trace with hash 584693120, now seen corresponding path program 1 times [2018-11-18 15:19:36,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:36,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:36,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:36,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:36,365 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:36,475 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 52 proven. 12 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-18 15:19:36,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:36,476 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:19:36,476 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-18 15:19:36,476 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [71], [77], [81], [85], [88], [91], [93], [96], [99], [101], [107], [112], [120], [121], [122], [123], [124], [126], [129], [131], [134], [137], [140], [146], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [211], [214], [218], [224], [225], [226], [229], [233], [234], [238], [241], [243], [246], [253], [256], [261], [263], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [277], [279], [280], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [334], [337], [338] [2018-11-18 15:19:36,479 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:19:36,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:19:38,603 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:19:38,603 INFO L272 AbstractInterpreter]: Visited 141 different actions 1909 times. Merged at 25 different actions 195 times. Widened at 1 different actions 1 times. Performed 63220 root evaluator evaluations with a maximum evaluation depth of 5. Performed 63220 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 52 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 15:19:38,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:38,607 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:19:38,607 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:38,607 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:38,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:38,617 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:19:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:38,706 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 93 proven. 5 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 15:19:38,805 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:19:39,089 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-18 15:19:39,106 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:19:39,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 19 [2018-11-18 15:19:39,106 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:19:39,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 15:19:39,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 15:19:39,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=254, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:19:39,107 INFO L87 Difference]: Start difference. First operand 1985 states and 2379 transitions. Second operand 14 states. [2018-11-18 15:19:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:40,497 INFO L93 Difference]: Finished difference Result 4824 states and 6675 transitions. [2018-11-18 15:19:40,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 15:19:40,498 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 230 [2018-11-18 15:19:40,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:40,509 INFO L225 Difference]: With dead ends: 4824 [2018-11-18 15:19:40,509 INFO L226 Difference]: Without dead ends: 3433 [2018-11-18 15:19:40,513 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 453 SyntacticMatches, 8 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=299, Invalid=757, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 15:19:40,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3433 states. [2018-11-18 15:19:40,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3433 to 2665. [2018-11-18 15:19:40,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2665 states. [2018-11-18 15:19:40,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2665 states to 2665 states and 3208 transitions. [2018-11-18 15:19:40,626 INFO L78 Accepts]: Start accepts. Automaton has 2665 states and 3208 transitions. Word has length 230 [2018-11-18 15:19:40,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:40,626 INFO L480 AbstractCegarLoop]: Abstraction has 2665 states and 3208 transitions. [2018-11-18 15:19:40,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 15:19:40,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2665 states and 3208 transitions. [2018-11-18 15:19:40,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 15:19:40,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:40,633 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:40,633 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:40,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:40,633 INFO L82 PathProgramCache]: Analyzing trace with hash 828916550, now seen corresponding path program 1 times [2018-11-18 15:19:40,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:40,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:40,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:40,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:40,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:40,733 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 15:19:40,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:40,733 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:19:40,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-18 15:19:40,733 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [27], [29], [30], [31], [35], [37], [38], [41], [44], [46], [52], [56], [59], [60], [64], [65], [66], [67], [71], [77], [81], [85], [88], [91], [93], [96], [99], [101], [107], [112], [120], [121], [122], [123], [124], [126], [129], [131], [134], [137], [140], [146], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [211], [214], [218], [224], [225], [226], [229], [231], [233], [234], [238], [241], [243], [246], [253], [256], [261], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [277], [279], [280], [281], [282], [283], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [334], [337], [338] [2018-11-18 15:19:40,736 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:19:40,736 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:19:42,138 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:19:42,139 INFO L272 AbstractInterpreter]: Visited 142 different actions 1326 times. Merged at 27 different actions 160 times. Widened at 1 different actions 1 times. Performed 44915 root evaluator evaluations with a maximum evaluation depth of 5. Performed 44915 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 45 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 15:19:42,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:42,140 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:19:42,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:42,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:42,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:42,146 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:19:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:42,258 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 15:19:42,361 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:19:42,649 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 48 proven. 8 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 15:19:42,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:19:42,666 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 15:19:42,666 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:19:42,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:19:42,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:19:42,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:19:42,667 INFO L87 Difference]: Start difference. First operand 2665 states and 3208 transitions. Second operand 6 states. [2018-11-18 15:19:42,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:42,765 INFO L93 Difference]: Finished difference Result 4276 states and 5161 transitions. [2018-11-18 15:19:42,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:19:42,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2018-11-18 15:19:42,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:42,773 INFO L225 Difference]: With dead ends: 4276 [2018-11-18 15:19:42,773 INFO L226 Difference]: Without dead ends: 2520 [2018-11-18 15:19:42,776 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 455 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:19:42,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2520 states. [2018-11-18 15:19:42,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2520 to 2511. [2018-11-18 15:19:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2511 states. [2018-11-18 15:19:42,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2511 states and 2946 transitions. [2018-11-18 15:19:42,876 INFO L78 Accepts]: Start accepts. Automaton has 2511 states and 2946 transitions. Word has length 230 [2018-11-18 15:19:42,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:42,877 INFO L480 AbstractCegarLoop]: Abstraction has 2511 states and 2946 transitions. [2018-11-18 15:19:42,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:19:42,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2511 states and 2946 transitions. [2018-11-18 15:19:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 15:19:42,883 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:42,883 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:42,883 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:42,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:42,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1443230338, now seen corresponding path program 2 times [2018-11-18 15:19:42,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:42,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:42,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:42,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:42,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:42,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:43,032 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 15:19:43,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:43,033 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:19:43,033 INFO L184 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-11-18 15:19:43,033 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-11-18 15:19:43,033 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:43,033 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:43,044 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-18 15:19:43,044 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-11-18 15:19:43,341 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-11-18 15:19:43,342 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-18 15:19:43,350 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:43,436 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 91 proven. 32 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:19:43,436 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:19:43,749 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 46 proven. 25 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 15:19:43,775 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:19:43,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 17 [2018-11-18 15:19:43,776 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:19:43,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 15:19:43,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 15:19:43,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-18 15:19:43,777 INFO L87 Difference]: Start difference. First operand 2511 states and 2946 transitions. Second operand 13 states. [2018-11-18 15:19:44,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:44,675 INFO L93 Difference]: Finished difference Result 3396 states and 3997 transitions. [2018-11-18 15:19:44,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 15:19:44,676 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 226 [2018-11-18 15:19:44,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:44,680 INFO L225 Difference]: With dead ends: 3396 [2018-11-18 15:19:44,680 INFO L226 Difference]: Without dead ends: 1426 [2018-11-18 15:19:44,683 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 451 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2018-11-18 15:19:44,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1426 states. [2018-11-18 15:19:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1426 to 1223. [2018-11-18 15:19:44,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2018-11-18 15:19:44,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1355 transitions. [2018-11-18 15:19:44,728 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1355 transitions. Word has length 226 [2018-11-18 15:19:44,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:44,728 INFO L480 AbstractCegarLoop]: Abstraction has 1223 states and 1355 transitions. [2018-11-18 15:19:44,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 15:19:44,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1355 transitions. [2018-11-18 15:19:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 15:19:44,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:19:44,732 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:19:44,732 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:19:44,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:44,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1753168268, now seen corresponding path program 1 times [2018-11-18 15:19:44,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:19:44,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:44,733 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:19:44,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:19:44,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:19:44,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 56 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 15:19:44,828 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:44,828 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:19:44,828 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 253 with the following transitions: [2018-11-18 15:19:44,828 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [35], [37], [38], [41], [56], [59], [60], [64], [65], [67], [71], [77], [81], [85], [88], [91], [93], [96], [99], [101], [107], [112], [120], [121], [124], [126], [129], [131], [134], [137], [140], [146], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [214], [218], [224], [225], [226], [234], [238], [241], [243], [246], [256], [261], [265], [266], [269], [270], [271], [272], [273], [274], [275], [276], [277], [281], [282], [283], [285], [286], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [311], [312], [313], [314], [315], [316], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [334] [2018-11-18 15:19:44,830 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:19:44,830 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:19:45,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:19:45,698 INFO L272 AbstractInterpreter]: Visited 115 different actions 801 times. Merged at 19 different actions 107 times. Never widened. Performed 27462 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27462 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 15:19:45,706 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:19:45,706 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:19:45,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:19:45,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:19:45,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:19:45,724 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:19:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:19:45,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:19:45,864 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 164 proven. 23 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 15:19:45,865 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:19:46,126 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 56 proven. 19 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-11-18 15:19:46,142 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:19:46,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-18 15:19:46,142 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:19:46,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:19:46,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:19:46,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:19:46,143 INFO L87 Difference]: Start difference. First operand 1223 states and 1355 transitions. Second operand 12 states. [2018-11-18 15:19:46,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:19:46,631 INFO L93 Difference]: Finished difference Result 1894 states and 2137 transitions. [2018-11-18 15:19:46,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 15:19:46,632 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 252 [2018-11-18 15:19:46,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:19:46,633 INFO L225 Difference]: With dead ends: 1894 [2018-11-18 15:19:46,633 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:19:46,635 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 522 GetRequests, 503 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:19:46,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:19:46,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:19:46,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:19:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:19:46,636 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 252 [2018-11-18 15:19:46,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:19:46,636 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:19:46,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:19:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:19:46,636 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:19:46,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:19:46,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:46,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:19:47,582 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 31 [2018-11-18 15:19:48,047 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-11-18 15:19:48,329 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-11-18 15:19:48,467 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 37 [2018-11-18 15:19:48,634 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 39 [2018-11-18 15:19:49,601 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 41 [2018-11-18 15:19:49,754 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 36 [2018-11-18 15:19:50,219 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 49 [2018-11-18 15:19:50,523 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 27 [2018-11-18 15:19:50,548 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 876 882) the Hoare annotation is: true [2018-11-18 15:19:50,548 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 876 882) no Hoare annotation was computed. [2018-11-18 15:19:50,548 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-18 15:19:50,548 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 883 891) the Hoare annotation is: true [2018-11-18 15:19:50,548 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-18 15:19:50,548 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 966 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,548 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 966 988) no Hoare annotation was computed. [2018-11-18 15:19:50,549 INFO L421 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,549 INFO L421 ceAbstractionStarter]: At program point L978-1(line 978) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~10 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,549 INFO L425 ceAbstractionStarter]: For program point L976(lines 976 983) no Hoare annotation was computed. [2018-11-18 15:19:50,549 INFO L425 ceAbstractionStarter]: For program point L976-1(lines 976 983) no Hoare annotation was computed. [2018-11-18 15:19:50,549 INFO L425 ceAbstractionStarter]: For program point L974(line 974) no Hoare annotation was computed. [2018-11-18 15:19:50,549 INFO L421 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,549 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 966 988) no Hoare annotation was computed. [2018-11-18 15:19:50,549 INFO L421 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,549 INFO L421 ceAbstractionStarter]: At program point L972-1(line 972) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,549 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 723 731) no Hoare annotation was computed. [2018-11-18 15:19:50,549 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 723 731) the Hoare annotation is: true [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 723 731) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 800) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L428 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point L796-2(lines 796 800) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 787 805) the Hoare annotation is: true [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 787 805) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 787 805) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 869 875) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 869 875) the Hoare annotation is: true [2018-11-18 15:19:50,550 INFO L421 ceAbstractionStarter]: At program point L960(line 960) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,550 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 955 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 955 965) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 955 965) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 712 722) the Hoare annotation is: true [2018-11-18 15:19:50,550 INFO L428 ceAbstractionStarter]: At program point L717(line 717) the Hoare annotation is: true [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point L717-1(line 717) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 712 722) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 712 722) no Hoare annotation was computed. [2018-11-18 15:19:50,550 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 704 711) the Hoare annotation is: (or (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 704 711) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 704 711) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L421 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) .cse3) (or (or .cse4 .cse5 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (or .cse3 .cse4 .cse0 .cse5 .cse1 .cse2))) [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point L672-1(lines 653 677) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L421 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse3 .cse4 .cse1) (not (= 1 |old(~pumpRunning~0)|))))) [2018-11-18 15:19:50,551 INFO L421 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)) (and (<= 1 processEnvironment_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse3 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse2 .cse4) (or .cse0 .cse3 .cse1 .cse2 .cse4))) [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 653 677) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 669) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 653 677) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) .cse3) (or (or .cse4 .cse5 .cse1) (not (= 1 |old(~pumpRunning~0)|)) .cse3) (or .cse3 .cse4 .cse0 .cse5 .cse1 .cse2))) [2018-11-18 15:19:50,551 INFO L421 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse3 .cse4 .cse1) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point L659-1(line 659) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point L657(lines 657 674) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 619 625) no Hoare annotation was computed. [2018-11-18 15:19:50,551 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 619 625) the Hoare annotation is: true [2018-11-18 15:19:50,551 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 520 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L568(lines 568 572) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 520 585) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L421 ceAbstractionStarter]: At program point L568-2(lines 560 573) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L531(lines 530 577) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L421 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 573) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L421 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (= ~pumpRunning~0 1) .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L550(lines 550 556) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 550 556) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L421 ceAbstractionStarter]: At program point L575(lines 530 577) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse2 .cse3 .cse5) (and .cse4 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:19:50,552 INFO L421 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse4 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse2 .cse3 .cse5) (and .cse4 .cse0 .cse1 .cse2 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L540(lines 540 546) no Hoare annotation was computed. [2018-11-18 15:19:50,552 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 540 546) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point L530-1(lines 530 577) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 520 585) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L421 ceAbstractionStarter]: At program point L578(lines 529 579) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:19:50,553 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 678 685) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 678 685) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 678 685) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-18 15:19:50,553 INFO L425 ceAbstractionStarter]: For program point L833-1(lines 825 853) no Hoare annotation was computed. [2018-11-18 15:19:50,554 INFO L421 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 (not (= 1 ~pumpRunning~0)) .cse3 .cse4) (or .cse5 .cse0 .cse3 (not (= ~waterLevel~0 1)) .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4 .cse0))) [2018-11-18 15:19:50,554 INFO L425 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-18 15:19:50,554 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 825 853) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 (not (= 1 ~pumpRunning~0)) .cse3 .cse4) (or .cse5 .cse0 .cse3 (not (= ~waterLevel~0 1)) .cse4) (or .cse5 .cse1 .cse2 .cse3 .cse4 .cse0))) [2018-11-18 15:19:50,554 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse4) (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) (or .cse5 .cse3)) (or .cse0 .cse1 .cse2 (or .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 15:19:50,554 INFO L425 ceAbstractionStarter]: For program point L838(lines 838 844) no Hoare annotation was computed. [2018-11-18 15:19:50,554 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 847) no Hoare annotation was computed. [2018-11-18 15:19:50,554 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 825 853) no Hoare annotation was computed. [2018-11-18 15:19:50,554 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse6) (or (< 1 ~waterLevel~0) (or .cse0 .cse4 .cse6) (< ~waterLevel~0 1)) (or .cse1 .cse2 .cse3 .cse7 .cse4 .cse5) (or .cse0 .cse1 .cse4 (not (= ~waterLevel~0 1)) .cse5) (or .cse2 .cse3 .cse7 (or .cse4 .cse6)))) [2018-11-18 15:19:50,554 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 817 824) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 0 ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 817 824) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 817 824) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 687 703) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L421 ceAbstractionStarter]: At program point L698(line 698) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 687 703) no Hoare annotation was computed. [2018-11-18 15:19:50,555 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 687 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:50,555 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L421 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 768 786) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L777(lines 777 781) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L428 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L777-2(lines 777 781) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 768 786) the Hoare annotation is: true [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 768 786) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2 .cse4 (not (= ~waterLevel~0 1))) (or (< 1 ~waterLevel~0) .cse8 .cse3 (< ~waterLevel~0 1) .cse2 .cse4 .cse5) (or .cse8 .cse3 .cse0 .cse1 .cse2 .cse4 .cse5) (or .cse7 .cse8 .cse6 .cse0 .cse1 .cse2 .cse4))) [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L428 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-11-18 15:19:50,556 INFO L428 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-11-18 15:19:50,556 INFO L425 ceAbstractionStarter]: For program point L904-1(lines 904 918) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L428 ceAbstractionStarter]: At program point L904-3(lines 904 918) the Hoare annotation is: true [2018-11-18 15:19:50,557 INFO L428 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L421 ceAbstractionStarter]: At program point L608(line 608) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) .cse6)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse5 (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) .cse3 .cse4) (or (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse6) .cse1 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3)))) [2018-11-18 15:19:50,557 INFO L421 ceAbstractionStarter]: At program point L606(lines 606 612) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 1) .cse5 .cse6) (and .cse5 .cse6 .cse7)) (or (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0)) .cse1 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3) (or (< 1 |old(~waterLevel~0)|) .cse0 (and .cse5 .cse7) (< |old(~waterLevel~0)| 1) .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse7 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-11-18 15:19:50,557 INFO L421 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse3 .cse0 .cse1 .cse2 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse3 (< |old(~waterLevel~0)| 1) .cse2 .cse4))) [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point L599(lines 598 617) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 595 618) the Hoare annotation is: (let ((.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (and .cse4 .cse9 .cse5)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or (or .cse6 .cse0 .cse1 .cse3 .cse7) .cse8) (or .cse9 .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse8 (< 1 |old(~waterLevel~0)|) .cse6 (< |old(~waterLevel~0)| 1) .cse3 .cse7)))) [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 595 618) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 595 618) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) (or (not (= ~systemActive~0 1)) (< 2 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2))) [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-18 15:19:50,557 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-11-18 15:19:50,558 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:19:50,558 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 15:19:50,558 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:19:50,558 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:19:50,558 INFO L421 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse3) .cse2))) [2018-11-18 15:19:50,558 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 627 651) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) .cse3) (or .cse3 (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-18 15:19:50,558 INFO L421 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-11-18 15:19:50,558 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 627 651) no Hoare annotation was computed. [2018-11-18 15:19:50,558 INFO L425 ceAbstractionStarter]: For program point L635(lines 635 643) no Hoare annotation was computed. [2018-11-18 15:19:50,558 INFO L421 ceAbstractionStarter]: At program point L633(line 633) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) .cse3) (or .cse3 (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-11-18 15:19:50,558 INFO L425 ceAbstractionStarter]: For program point L633-1(line 633) no Hoare annotation was computed. [2018-11-18 15:19:50,558 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 648) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L421 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 2 ~waterLevel~0) (< ~waterLevel~0 2) .cse1 .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-11-18 15:19:50,559 INFO L425 ceAbstractionStarter]: For program point L646-1(lines 627 651) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 806 813) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 806 813) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= ~systemActive~0 1))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse3) (or .cse3 (< 1 ~waterLevel~0) .cse4 (< ~waterLevel~0 1) .cse2 .cse5) (or (or .cse4 .cse0 .cse1 .cse2 .cse5) .cse3))) [2018-11-18 15:19:50,559 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 806 813) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (< 2 |old(~waterLevel~0)|)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< 1 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or .cse3 .cse4 .cse5 (not (= 1 ~pumpRunning~0)) .cse0) (or .cse3 .cse1 .cse5 .cse0 .cse2)))) [2018-11-18 15:19:50,559 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-18 15:19:50,559 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 990 997) the Hoare annotation is: true [2018-11-18 15:19:50,560 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 994) no Hoare annotation was computed. [2018-11-18 15:19:50,560 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-18 15:19:50,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:19:50 BoogieIcfgContainer [2018-11-18 15:19:50,574 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:19:50,582 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:19:50,583 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:19:50,583 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:19:50,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:19:22" (3/4) ... [2018-11-18 15:19:50,586 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:19:50,595 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:19:50,596 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:19:50,597 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:19:50,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 15:19:50,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:19:50,604 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:19:50,625 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || ((((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((2 <= waterLevel && 0 == pumpRunning) && waterLevel <= 2) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:19:50,626 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:19:50,658 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_53886af1-4255-49f5-acd0-dea92bf180e6/bin-2019/utaipan/witness.graphml [2018-11-18 15:19:50,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:19:50,660 INFO L168 Benchmark]: Toolchain (without parser) took 29304.67 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 956.6 MB in the beginning and 2.6 GB in the end (delta: -1.6 GB). Peak memory consumption was 175.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:50,660 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:50,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:50,660 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:19:50,661 INFO L168 Benchmark]: Boogie Preprocessor took 31.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:50,661 INFO L168 Benchmark]: RCFGBuilder took 510.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:19:50,661 INFO L168 Benchmark]: TraceAbstraction took 28286.75 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-11-18 15:19:50,661 INFO L168 Benchmark]: Witness Printer took 76.38 ms. Allocated memory is still 2.8 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 19.4 kB). Peak memory consumption was 19.4 kB. Max. memory is 11.5 GB. [2018-11-18 15:19:50,663 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 510.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 28286.75 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.7 GB). Free memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. * Witness Printer took 76.38 ms. Allocated memory is still 2.8 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 19.4 kB). Peak memory consumption was 19.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 994]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || !(\old(methAndRunningLastTime) == 0)) || ((((2 <= waterLevel && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((2 <= waterLevel && 0 == pumpRunning) && waterLevel <= 2) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 529]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 164 locations, 1 error locations. SAFE Result, 28.2s OverallTime, 16 OverallIterations, 6 TraceHistogramMax, 11.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3230 SDtfs, 3440 SDslu, 9079 SDs, 0 SdLazy, 6584 SolverSat, 1712 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2652 GetRequests, 2458 SyntacticMatches, 22 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 702 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2665occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.3s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9969318866086208 AbsIntWeakeningRatio, 1.0277777777777777 AbsIntAvgWeakeningVarsNumRemoved, 84.88888888888889 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 16 MinimizatonAttempts, 1414 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 5174 PreInvPairs, 5347 NumberOfFragments, 2621 HoareAnnotationTreeSize, 5174 FomulaSimplifications, 33911 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 67 FomulaSimplificationsInter, 29789 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 3311 NumberOfCodeBlocks, 3290 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 4453 ConstructedInterpolants, 0 QuantifiedInterpolants, 1287963 SizeOfPredicates, 20 NumberOfNonLiveVariables, 5041 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 26 InterpolantComputations, 12 PerfectInterpolantSequences, 2134/2343 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...