./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/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 f32a845991ccfb3a908c898acdfb7a48e8a7d63f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:59:06,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:59:06,809 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:59:06,817 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:59:06,818 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:59:06,818 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:59:06,819 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:59:06,820 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:59:06,821 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:59:06,822 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:59:06,823 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:59:06,823 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:59:06,823 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:59:06,824 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:59:06,825 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:59:06,825 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:59:06,826 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:59:06,827 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:59:06,828 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:59:06,829 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:59:06,830 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:59:06,831 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:59:06,832 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:59:06,833 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:59:06,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:59:06,833 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:59:06,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:59:06,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:59:06,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:59:06,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:59:06,836 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:59:06,837 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:59:06,837 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:59:06,837 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:59:06,838 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:59:06,838 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:59:06,838 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 12:59:06,849 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:59:06,849 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:59:06,850 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:59:06,850 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:59:06,850 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:59:06,850 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:59:06,850 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:59:06,850 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:59:06,850 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:59:06,851 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:59:06,851 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:59:06,851 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:59:06,851 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:59:06,851 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:59:06,852 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:59:06,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:59:06,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:59:06,853 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:59:06,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:59:06,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:59:06,853 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:59:06,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:59:06,854 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:59:06,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:59:06,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:59:06,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:59:06,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:59:06,854 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:59:06,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:59:06,855 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:59:06,855 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:59:06,855 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_b20bd21b-3c90-40af-8778-c26887b56d83/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 -> f32a845991ccfb3a908c898acdfb7a48e8a7d63f [2018-11-23 12:59:06,878 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:59:06,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:59:06,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:59:06,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:59:06,892 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:59:06,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-23 12:59:06,934 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/data/90e43d0ed/09f45fcdab4d44ee9c6fa543641df813/FLAG4ca654d02 [2018-11-23 12:59:07,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:59:07,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/sv-benchmarks/c/product-lines/minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-23 12:59:07,303 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/data/90e43d0ed/09f45fcdab4d44ee9c6fa543641df813/FLAG4ca654d02 [2018-11-23 12:59:07,312 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/data/90e43d0ed/09f45fcdab4d44ee9c6fa543641df813 [2018-11-23 12:59:07,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:59:07,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:59:07,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:59:07,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:59:07,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:59:07,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07, skipping insertion in model container [2018-11-23 12:59:07,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:59:07,356 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:59:07,558 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:59:07,613 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:59:07,671 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:59:07,689 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:59:07,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07 WrapperNode [2018-11-23 12:59:07,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:59:07,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:59:07,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:59:07,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:59:07,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:59:07,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:59:07,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:59:07,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:59:07,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... [2018-11-23 12:59:07,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:59:07,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:59:07,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:59:07,741 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:59:07,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/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 [2018-11-23 12:59:07,777 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 12:59:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 12:59:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:59:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:59:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 12:59:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 12:59:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 12:59:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 12:59:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:59:07,778 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 12:59:07,778 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 12:59:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 12:59:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 12:59:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 12:59:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 12:59:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 12:59:07,779 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 12:59:07,779 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 12:59:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 12:59:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:59:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:59:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 12:59:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 12:59:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 12:59:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 12:59:07,780 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 12:59:07,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 12:59:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 12:59:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 12:59:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 12:59:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 12:59:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 12:59:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 12:59:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 12:59:07,781 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 12:59:07,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 12:59:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 12:59:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 12:59:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 12:59:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:59:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:59:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 12:59:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 12:59:07,782 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 12:59:07,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 12:59:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 12:59:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 12:59:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 12:59:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 12:59:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 12:59:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 12:59:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 12:59:07,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 12:59:07,783 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 12:59:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 12:59:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 12:59:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 12:59:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 12:59:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 12:59:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 12:59:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 12:59:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 12:59:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:59:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:59:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 12:59:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 12:59:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 12:59:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 12:59:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:59:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:59:08,211 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:59:08,211 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:59:08,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:08 BoogieIcfgContainer [2018-11-23 12:59:08,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:59:08,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:59:08,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:59:08,214 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:59:08,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:59:07" (1/3) ... [2018-11-23 12:59:08,214 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4eb591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:08, skipping insertion in model container [2018-11-23 12:59:08,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:59:07" (2/3) ... [2018-11-23 12:59:08,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4eb591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:59:08, skipping insertion in model container [2018-11-23 12:59:08,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:08" (3/3) ... [2018-11-23 12:59:08,216 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product60_true-unreach-call_false-termination.cil.c [2018-11-23 12:59:08,222 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:59:08,227 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:59:08,237 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:59:08,259 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:59:08,259 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:59:08,260 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:59:08,260 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:59:08,260 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:59:08,260 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:59:08,260 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:59:08,260 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:59:08,275 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-11-23 12:59:08,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 12:59:08,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:08,282 INFO L402 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] [2018-11-23 12:59:08,284 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:08,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:08,288 INFO L82 PathProgramCache]: Analyzing trace with hash -35368606, now seen corresponding path program 1 times [2018-11-23 12:59:08,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:08,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:08,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:08,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:08,486 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:08,486 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:59:08,486 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:08,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:59:08,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:59:08,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:59:08,502 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-11-23 12:59:08,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:08,535 INFO L93 Difference]: Finished difference Result 322 states and 393 transitions. [2018-11-23 12:59:08,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:59:08,536 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 12:59:08,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:08,546 INFO L225 Difference]: With dead ends: 322 [2018-11-23 12:59:08,546 INFO L226 Difference]: Without dead ends: 163 [2018-11-23 12:59:08,548 INFO L631 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 [2018-11-23 12:59:08,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-23 12:59:08,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-23 12:59:08,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-23 12:59:08,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 190 transitions. [2018-11-23 12:59:08,584 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 190 transitions. Word has length 59 [2018-11-23 12:59:08,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:08,584 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 190 transitions. [2018-11-23 12:59:08,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:59:08,584 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 190 transitions. [2018-11-23 12:59:08,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 12:59:08,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:08,587 INFO L402 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] [2018-11-23 12:59:08,587 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:08,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:08,587 INFO L82 PathProgramCache]: Analyzing trace with hash -685083891, now seen corresponding path program 1 times [2018-11-23 12:59:08,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:08,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:08,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:08,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:08,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:08,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 12:59:08,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:08,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:59:08,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:59:08,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 12:59:08,667 INFO L87 Difference]: Start difference. First operand 163 states and 190 transitions. Second operand 3 states. [2018-11-23 12:59:08,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:08,691 INFO L93 Difference]: Finished difference Result 261 states and 303 transitions. [2018-11-23 12:59:08,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:59:08,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 12:59:08,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:08,693 INFO L225 Difference]: With dead ends: 261 [2018-11-23 12:59:08,693 INFO L226 Difference]: Without dead ends: 154 [2018-11-23 12:59:08,694 INFO L631 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 [2018-11-23 12:59:08,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-23 12:59:08,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-23 12:59:08,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-23 12:59:08,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 178 transitions. [2018-11-23 12:59:08,706 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 178 transitions. Word has length 60 [2018-11-23 12:59:08,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:08,706 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 178 transitions. [2018-11-23 12:59:08,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:59:08,707 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 178 transitions. [2018-11-23 12:59:08,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 12:59:08,708 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:08,708 INFO L402 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] [2018-11-23 12:59:08,708 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:08,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:08,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1773157151, now seen corresponding path program 1 times [2018-11-23 12:59:08,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:08,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:08,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:08,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:08,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:08,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:08,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:59:08,848 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:08,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:59:08,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:59:08,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:59:08,849 INFO L87 Difference]: Start difference. First operand 154 states and 178 transitions. Second operand 7 states. [2018-11-23 12:59:09,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:09,335 INFO L93 Difference]: Finished difference Result 462 states and 554 transitions. [2018-11-23 12:59:09,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 12:59:09,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 12:59:09,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:09,338 INFO L225 Difference]: With dead ends: 462 [2018-11-23 12:59:09,338 INFO L226 Difference]: Without dead ends: 336 [2018-11-23 12:59:09,339 INFO L631 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 [2018-11-23 12:59:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-11-23 12:59:09,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 324. [2018-11-23 12:59:09,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2018-11-23 12:59:09,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 388 transitions. [2018-11-23 12:59:09,370 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 388 transitions. Word has length 65 [2018-11-23 12:59:09,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:09,370 INFO L480 AbstractCegarLoop]: Abstraction has 324 states and 388 transitions. [2018-11-23 12:59:09,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:59:09,370 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 388 transitions. [2018-11-23 12:59:09,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 12:59:09,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:09,372 INFO L402 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] [2018-11-23 12:59:09,372 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:09,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:09,373 INFO L82 PathProgramCache]: Analyzing trace with hash -658838131, now seen corresponding path program 1 times [2018-11-23 12:59:09,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:09,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:09,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:09,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:09,374 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:09,467 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 12:59:09,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:09,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 12:59:09,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:09,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:59:09,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:59:09,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:59:09,469 INFO L87 Difference]: Start difference. First operand 324 states and 388 transitions. Second operand 7 states. [2018-11-23 12:59:10,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:10,045 INFO L93 Difference]: Finished difference Result 808 states and 1036 transitions. [2018-11-23 12:59:10,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 12:59:10,046 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 12:59:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:10,050 INFO L225 Difference]: With dead ends: 808 [2018-11-23 12:59:10,050 INFO L226 Difference]: Without dead ends: 512 [2018-11-23 12:59:10,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:59:10,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2018-11-23 12:59:10,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 458. [2018-11-23 12:59:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-23 12:59:10,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 547 transitions. [2018-11-23 12:59:10,092 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 547 transitions. Word has length 70 [2018-11-23 12:59:10,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:10,092 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 547 transitions. [2018-11-23 12:59:10,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:59:10,092 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 547 transitions. [2018-11-23 12:59:10,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 12:59:10,094 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:10,094 INFO L402 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] [2018-11-23 12:59:10,094 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:10,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:10,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1329963175, now seen corresponding path program 1 times [2018-11-23 12:59:10,095 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:10,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:10,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,096 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:10,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:10,169 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:10,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 12:59:10,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:10,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:59:10,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:59:10,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:59:10,171 INFO L87 Difference]: Start difference. First operand 458 states and 547 transitions. Second operand 6 states. [2018-11-23 12:59:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:10,221 INFO L93 Difference]: Finished difference Result 902 states and 1110 transitions. [2018-11-23 12:59:10,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:59:10,222 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-23 12:59:10,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:10,225 INFO L225 Difference]: With dead ends: 902 [2018-11-23 12:59:10,225 INFO L226 Difference]: Without dead ends: 472 [2018-11-23 12:59:10,227 INFO L631 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 [2018-11-23 12:59:10,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2018-11-23 12:59:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 468. [2018-11-23 12:59:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2018-11-23 12:59:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 557 transitions. [2018-11-23 12:59:10,253 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 557 transitions. Word has length 108 [2018-11-23 12:59:10,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:10,253 INFO L480 AbstractCegarLoop]: Abstraction has 468 states and 557 transitions. [2018-11-23 12:59:10,253 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:59:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 557 transitions. [2018-11-23 12:59:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 12:59:10,255 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:10,255 INFO L402 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] [2018-11-23 12:59:10,255 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:10,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1036731419, now seen corresponding path program 1 times [2018-11-23 12:59:10,255 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:10,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,256 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:10,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,256 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:10,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:10,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:10,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 12:59:10,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:10,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 12:59:10,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 12:59:10,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:59:10,329 INFO L87 Difference]: Start difference. First operand 468 states and 557 transitions. Second operand 8 states. [2018-11-23 12:59:10,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:10,365 INFO L93 Difference]: Finished difference Result 922 states and 1130 transitions. [2018-11-23 12:59:10,369 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 12:59:10,369 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-23 12:59:10,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:10,371 INFO L225 Difference]: With dead ends: 922 [2018-11-23 12:59:10,371 INFO L226 Difference]: Without dead ends: 482 [2018-11-23 12:59:10,373 INFO L631 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 [2018-11-23 12:59:10,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2018-11-23 12:59:10,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 476. [2018-11-23 12:59:10,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-11-23 12:59:10,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 565 transitions. [2018-11-23 12:59:10,398 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 565 transitions. Word has length 108 [2018-11-23 12:59:10,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:10,399 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 565 transitions. [2018-11-23 12:59:10,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 12:59:10,399 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 565 transitions. [2018-11-23 12:59:10,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 12:59:10,400 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:10,400 INFO L402 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] [2018-11-23 12:59:10,401 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:10,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:10,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1277271548, now seen corresponding path program 1 times [2018-11-23 12:59:10,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:10,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:10,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:10,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:10,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:59:10,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:10,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:59:10,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:59:10,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:59:10,512 INFO L87 Difference]: Start difference. First operand 476 states and 565 transitions. Second operand 4 states. [2018-11-23 12:59:10,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:10,706 INFO L93 Difference]: Finished difference Result 1484 states and 1846 transitions. [2018-11-23 12:59:10,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:59:10,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-23 12:59:10,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:10,711 INFO L225 Difference]: With dead ends: 1484 [2018-11-23 12:59:10,711 INFO L226 Difference]: Without dead ends: 1036 [2018-11-23 12:59:10,712 INFO L631 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 [2018-11-23 12:59:10,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2018-11-23 12:59:10,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1019. [2018-11-23 12:59:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2018-11-23 12:59:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1244 transitions. [2018-11-23 12:59:10,777 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1244 transitions. Word has length 108 [2018-11-23 12:59:10,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:10,777 INFO L480 AbstractCegarLoop]: Abstraction has 1019 states and 1244 transitions. [2018-11-23 12:59:10,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:59:10,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1244 transitions. [2018-11-23 12:59:10,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 12:59:10,779 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:10,779 INFO L402 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, 1, 1, 1] [2018-11-23 12:59:10,779 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:10,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:10,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1306050626, now seen corresponding path program 1 times [2018-11-23 12:59:10,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:10,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:10,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:10,781 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:10,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 12:59:10,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:59:10,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 12:59:10,905 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:10,906 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 12:59:10,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 12:59:10,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 12:59:10,906 INFO L87 Difference]: Start difference. First operand 1019 states and 1244 transitions. Second operand 9 states. [2018-11-23 12:59:11,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:11,572 INFO L93 Difference]: Finished difference Result 2802 states and 3576 transitions. [2018-11-23 12:59:11,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 12:59:11,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 112 [2018-11-23 12:59:11,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:11,582 INFO L225 Difference]: With dead ends: 2802 [2018-11-23 12:59:11,582 INFO L226 Difference]: Without dead ends: 1997 [2018-11-23 12:59:11,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:59:11,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1997 states. [2018-11-23 12:59:11,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1997 to 1764. [2018-11-23 12:59:11,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1764 states. [2018-11-23 12:59:11,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1764 states and 2119 transitions. [2018-11-23 12:59:11,681 INFO L78 Accepts]: Start accepts. Automaton has 1764 states and 2119 transitions. Word has length 112 [2018-11-23 12:59:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:11,682 INFO L480 AbstractCegarLoop]: Abstraction has 1764 states and 2119 transitions. [2018-11-23 12:59:11,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 12:59:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2119 transitions. [2018-11-23 12:59:11,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 12:59:11,686 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:11,687 INFO L402 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, 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] [2018-11-23 12:59:11,687 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:11,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:11,687 INFO L82 PathProgramCache]: Analyzing trace with hash 2041275749, now seen corresponding path program 1 times [2018-11-23 12:59:11,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:11,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:11,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:11,688 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:11,688 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:59:11,861 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:11,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:11,862 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-23 12:59:11,863 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [80], [84], [85], [86], [89], [91], [97], [101], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [145], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [177], [178], [180], [185], [187], [188], [222], [223], [227], [230], [234], [240], [243], [247], [248], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [327], [328], [331], [332], [333], [334], [335], [336], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [353], [354], [355], [356], [359], [360] [2018-11-23 12:59:11,895 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:11,895 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:13,540 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:13,541 INFO L272 AbstractInterpreter]: Visited 141 different actions 643 times. Merged at 16 different actions 46 times. Never widened. Performed 20839 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20839 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-23 12:59:13,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:13,548 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:13,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:13,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/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 [2018-11-23 12:59:13,555 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:13,555 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:13,707 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:59:13,886 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 12:59:14,245 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:14,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 12:59:14,245 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:14,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:59:14,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:59:14,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:59:14,247 INFO L87 Difference]: Start difference. First operand 1764 states and 2119 transitions. Second operand 16 states. [2018-11-23 12:59:15,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:15,361 INFO L93 Difference]: Finished difference Result 4039 states and 5054 transitions. [2018-11-23 12:59:15,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 12:59:15,362 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2018-11-23 12:59:15,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:15,371 INFO L225 Difference]: With dead ends: 4039 [2018-11-23 12:59:15,371 INFO L226 Difference]: Without dead ends: 2483 [2018-11-23 12:59:15,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 340 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 12:59:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2483 states. [2018-11-23 12:59:15,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2483 to 2221. [2018-11-23 12:59:15,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2221 states. [2018-11-23 12:59:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2221 states to 2221 states and 2637 transitions. [2018-11-23 12:59:15,506 INFO L78 Accepts]: Start accepts. Automaton has 2221 states and 2637 transitions. Word has length 174 [2018-11-23 12:59:15,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:15,506 INFO L480 AbstractCegarLoop]: Abstraction has 2221 states and 2637 transitions. [2018-11-23 12:59:15,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:59:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 2221 states and 2637 transitions. [2018-11-23 12:59:15,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-23 12:59:15,514 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:15,514 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 12:59:15,514 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:15,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:15,514 INFO L82 PathProgramCache]: Analyzing trace with hash -643962804, now seen corresponding path program 1 times [2018-11-23 12:59:15,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:15,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:15,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:15,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:15,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:15,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2018-11-23 12:59:15,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:15,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:15,668 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-23 12:59:15,668 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [76], [77], [78], [79], [80], [84], [85], [86], [89], [91], [94], [97], [101], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [145], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [177], [178], [180], [185], [187], [188], [222], [223], [227], [230], [234], [240], [243], [247], [248], [254], [257], [259], [262], [269], [272], [275], [277], [279], [280], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [327], [328], [331], [332], [333], [334], [335], [336], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [353], [354], [355], [356], [359], [360] [2018-11-23 12:59:15,672 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:15,672 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:17,340 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:17,340 INFO L272 AbstractInterpreter]: Visited 147 different actions 765 times. Merged at 20 different actions 69 times. Never widened. Performed 28516 root evaluator evaluations with a maximum evaluation depth of 5. Performed 28516 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 16 fixpoints after 5 different actions. Largest state had 135 variables. [2018-11-23 12:59:17,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:17,349 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:17,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:17,349 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/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 [2018-11-23 12:59:17,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:17,354 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:17,468 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 220 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 12:59:17,610 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 79 proven. 33 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-11-23 12:59:18,110 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 12:59:18,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-23 12:59:18,111 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 12:59:18,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 12:59:18,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 12:59:18,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-23 12:59:18,112 INFO L87 Difference]: Start difference. First operand 2221 states and 2637 transitions. Second operand 18 states. [2018-11-23 12:59:20,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:20,115 INFO L93 Difference]: Finished difference Result 6024 states and 7539 transitions. [2018-11-23 12:59:20,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-23 12:59:20,116 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 311 [2018-11-23 12:59:20,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:20,129 INFO L225 Difference]: With dead ends: 6024 [2018-11-23 12:59:20,130 INFO L226 Difference]: Without dead ends: 3263 [2018-11-23 12:59:20,137 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 611 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-23 12:59:20,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3263 states. [2018-11-23 12:59:20,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3263 to 3037. [2018-11-23 12:59:20,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3037 states. [2018-11-23 12:59:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3552 transitions. [2018-11-23 12:59:20,306 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3552 transitions. Word has length 311 [2018-11-23 12:59:20,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:20,306 INFO L480 AbstractCegarLoop]: Abstraction has 3037 states and 3552 transitions. [2018-11-23 12:59:20,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 12:59:20,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3552 transitions. [2018-11-23 12:59:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2018-11-23 12:59:20,317 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:20,318 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 12:59:20,318 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:20,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:20,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1895144598, now seen corresponding path program 1 times [2018-11-23 12:59:20,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:20,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:20,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:20,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:20,320 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:20,463 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 87 proven. 12 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-23 12:59:20,463 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:20,463 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:20,464 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 398 with the following transitions: [2018-11-23 12:59:20,465 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [76], [77], [78], [79], [80], [83], [84], [85], [86], [89], [91], [94], [97], [101], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [145], [148], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [177], [178], [180], [183], [185], [187], [188], [222], [223], [227], [230], [234], [240], [243], [247], [248], [254], [257], [259], [262], [265], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [325], [326], [327], [328], [331], [332], [333], [334], [335], [336], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [353], [354], [355], [356], [357], [358], [359], [360] [2018-11-23 12:59:20,467 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:20,468 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:23,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:23,343 INFO L272 AbstractInterpreter]: Visited 159 different actions 1903 times. Merged at 42 different actions 407 times. Widened at 1 different actions 2 times. Performed 82769 root evaluator evaluations with a maximum evaluation depth of 5. Performed 82769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 83 fixpoints after 11 different actions. Largest state had 135 variables. [2018-11-23 12:59:23,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:23,349 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:23,350 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:23,350 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/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 [2018-11-23 12:59:23,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:23,360 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:23,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:23,641 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2018-11-23 12:59:23,641 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 87 proven. 12 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2018-11-23 12:59:23,871 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:23,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 4 [2018-11-23 12:59:23,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:23,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 12:59:23,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 12:59:23,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:59:23,873 INFO L87 Difference]: Start difference. First operand 3037 states and 3552 transitions. Second operand 3 states. [2018-11-23 12:59:23,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:23,965 INFO L93 Difference]: Finished difference Result 4870 states and 5708 transitions. [2018-11-23 12:59:23,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 12:59:23,966 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 397 [2018-11-23 12:59:23,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:23,974 INFO L225 Difference]: With dead ends: 4870 [2018-11-23 12:59:23,974 INFO L226 Difference]: Without dead ends: 1895 [2018-11-23 12:59:23,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 791 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:59:23,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1895 states. [2018-11-23 12:59:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1895 to 1855. [2018-11-23 12:59:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2018-11-23 12:59:24,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2134 transitions. [2018-11-23 12:59:24,076 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2134 transitions. Word has length 397 [2018-11-23 12:59:24,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:24,076 INFO L480 AbstractCegarLoop]: Abstraction has 1855 states and 2134 transitions. [2018-11-23 12:59:24,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 12:59:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2134 transitions. [2018-11-23 12:59:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2018-11-23 12:59:24,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:59:24,083 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-23 12:59:24,084 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:59:24,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:24,084 INFO L82 PathProgramCache]: Analyzing trace with hash 824162955, now seen corresponding path program 1 times [2018-11-23 12:59:24,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:59:24,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:24,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:24,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:59:24,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:59:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-23 12:59:24,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:24,235 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 12:59:24,235 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 374 with the following transitions: [2018-11-23 12:59:24,236 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [76], [77], [78], [79], [80], [84], [85], [86], [89], [91], [94], [97], [101], [104], [105], [106], [115], [119], [123], [126], [129], [131], [137], [139], [142], [145], [148], [151], [159], [160], [161], [162], [163], [164], [165], [167], [172], [175], [176], [177], [178], [180], [185], [187], [188], [222], [223], [227], [230], [234], [237], [240], [243], [247], [248], [252], [253], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [303], [304], [305], [306], [307], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319], [320], [323], [324], [325], [326], [327], [328], [331], [332], [333], [334], [335], [336], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [353], [354], [355], [356], [359], [360] [2018-11-23 12:59:24,238 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 12:59:24,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 12:59:26,506 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 12:59:26,506 INFO L272 AbstractInterpreter]: Visited 160 different actions 1472 times. Merged at 30 different actions 184 times. Never widened. Performed 62626 root evaluator evaluations with a maximum evaluation depth of 5. Performed 62626 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 57 fixpoints after 9 different actions. Largest state had 135 variables. [2018-11-23 12:59:26,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:59:26,508 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 12:59:26,508 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:59:26,508 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/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 [2018-11-23 12:59:26,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:59:26,514 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 12:59:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:59:26,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:59:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 271 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-11-23 12:59:26,681 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 12:59:26,942 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2018-11-23 12:59:26,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:59:26,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-23 12:59:26,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 12:59:26,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:59:26,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:59:26,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:59:26,959 INFO L87 Difference]: Start difference. First operand 1855 states and 2134 transitions. Second operand 6 states. [2018-11-23 12:59:26,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:59:26,997 INFO L93 Difference]: Finished difference Result 2251 states and 2573 transitions. [2018-11-23 12:59:26,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:59:26,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 373 [2018-11-23 12:59:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:59:26,998 INFO L225 Difference]: With dead ends: 2251 [2018-11-23 12:59:26,998 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 12:59:27,001 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 757 GetRequests, 741 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-23 12:59:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 12:59:27,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 12:59:27,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 12:59:27,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 12:59:27,003 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 373 [2018-11-23 12:59:27,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:59:27,003 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 12:59:27,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:59:27,003 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 12:59:27,004 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:59:27,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 12:59:27,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 12:59:27,815 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 27 [2018-11-23 12:59:28,053 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 28 [2018-11-23 12:59:28,420 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2018-11-23 12:59:28,544 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 27 [2018-11-23 12:59:29,134 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 49 [2018-11-23 12:59:29,741 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 26 [2018-11-23 12:59:29,908 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 34 [2018-11-23 12:59:30,232 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-11-23 12:59:30,796 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2018-11-23 12:59:30,831 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 370 377) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 370 377) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 370 377) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 378 387) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse6 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse1 .cse4) (or .cse0 .cse7 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse7 .cse6 .cse4))) [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 378 387) no Hoare annotation was computed. [2018-11-23 12:59:30,831 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 378 387) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L444 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point L401(lines 401 407) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 388 416) the Hoare annotation is: true [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point L400(lines 400 410) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L444 ceAbstractionStarter]: At program point L398(line 398) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse5 .cse3) (or .cse2 .cse0 .cse4 .cse1) (or .cse2 .cse6 .cse4 .cse5 .cse3) (or .cse6 (or .cse4 (or .cse2 .cse1))))) [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point L398-1(line 398) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 413) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 388 416) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point L396-1(lines 388 416) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L451 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2018-11-23 12:59:30,832 INFO L448 ceAbstractionStarter]: For program point L394-1(line 394) no Hoare annotation was computed. [2018-11-23 12:59:30,832 INFO L444 ceAbstractionStarter]: At program point L866-1(line 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 860 882) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,833 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 860 882) no Hoare annotation was computed. [2018-11-23 12:59:30,833 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 860 882) no Hoare annotation was computed. [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point L872-1(line 872) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,833 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 877) no Hoare annotation was computed. [2018-11-23 12:59:30,833 INFO L448 ceAbstractionStarter]: For program point L870-1(lines 870 877) no Hoare annotation was computed. [2018-11-23 12:59:30,833 INFO L448 ceAbstractionStarter]: For program point L868(line 868) no Hoare annotation was computed. [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point L867(line 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,833 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 271 285) no Hoare annotation was computed. [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 271 285) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (or (or (= |old(~systemActive~0)| 0) .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or (or .cse1 .cse2) .cse0))) [2018-11-23 12:59:30,833 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 271 285) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 281) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 188 196) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 188 196) the Hoare annotation is: true [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 188 196) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 252 270) the Hoare annotation is: true [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 252 270) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L451 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: true [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point L261-2(lines 261 265) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 252 270) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-11-23 12:59:30,834 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-11-23 12:59:30,834 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 846 856) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 846 856) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 846 856) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,835 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 177 187) the Hoare annotation is: true [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 177 187) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 177 187) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L451 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: true [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 169 176) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 169 176) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 169 176) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 1007 1020) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1017) no Hoare annotation was computed. [2018-11-23 12:59:30,835 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 1007 1020) the Hoare annotation is: true [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 1007 1020) no Hoare annotation was computed. [2018-11-23 12:59:30,836 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3 (and (<= 1 processEnvironment_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 134) no Hoare annotation was computed. [2018-11-23 12:59:30,836 INFO L444 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point L122(lines 122 139) no Hoare annotation was computed. [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 118 142) no Hoare annotation was computed. [2018-11-23 12:59:30,836 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 118 142) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 12:59:30,836 INFO L444 ceAbstractionStarter]: At program point L137(line 137) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 118 142) no Hoare annotation was computed. [2018-11-23 12:59:30,836 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 12:59:30,836 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 84 90) no Hoare annotation was computed. [2018-11-23 12:59:30,837 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 84 90) the Hoare annotation is: true [2018-11-23 12:59:30,837 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse8 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (and .cse8 .cse5)) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (and .cse8 .cse4 .cse5)) (.cse1 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 (= ~pumpRunning~0 1) .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 (and .cse6 .cse2 .cse3)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6) (and .cse7 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 12:59:30,837 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 298 365) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,837 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 324) no Hoare annotation was computed. [2018-11-23 12:59:30,837 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 318 324) no Hoare annotation was computed. [2018-11-23 12:59:30,837 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 298 365) no Hoare annotation was computed. [2018-11-23 12:59:30,837 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 314) no Hoare annotation was computed. [2018-11-23 12:59:30,837 INFO L444 ceAbstractionStarter]: At program point L358(lines 307 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 12:59:30,837 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 12:59:30,837 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 352) no Hoare annotation was computed. [2018-11-23 12:59:30,837 INFO L444 ceAbstractionStarter]: At program point L346-1(lines 338 353) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~systemActive~0 1)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (= ~pumpRunning~0 1) .cse5 .cse3) (and .cse1 .cse2 .cse5 .cse3) (and .cse1 .cse4 .cse5 .cse3) (and .cse0 (and .cse1 .cse4 .cse3)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point L309(lines 308 357) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L444 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 353) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse5 (= ~systemActive~0 0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse5 (and (and .cse3 .cse0 .cse2) .cse6)) (and .cse5 .cse3 .cse4 .cse2 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 334) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point L328-1(lines 328 334) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L444 ceAbstractionStarter]: At program point L355(lines 308 357) the Hoare annotation is: (let ((.cse5 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 (and .cse0 .cse5 .cse3) .cse6) (and .cse5 (= ~pumpRunning~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse1 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 298 365) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 143 150) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 143 150) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 143 150) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 1021 1029) no Hoare annotation was computed. [2018-11-23 12:59:30,838 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 1021 1029) the Hoare annotation is: true [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 1021 1029) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 165) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point L157-1(line 157) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 152 168) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 152 168) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 12:59:30,839 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 152 168) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 998 1006) the Hoare annotation is: true [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 998 1006) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 998 1006) no Hoare annotation was computed. [2018-11-23 12:59:30,839 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L451 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point L958-1(lines 954 965) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 954 965) the Hoare annotation is: true [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 954 965) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 803) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L451 ceAbstractionStarter]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2018-11-23 12:59:30,840 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2018-11-23 12:59:30,840 INFO L448 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-11-23 12:59:30,840 INFO L451 ceAbstractionStarter]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2018-11-23 12:59:30,841 INFO L451 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: true [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2018-11-23 12:59:30,841 INFO L451 ceAbstractionStarter]: At program point L810(lines 785 814) the Hoare annotation is: true [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2018-11-23 12:59:30,841 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 966 974) the Hoare annotation is: true [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 966 974) no Hoare annotation was computed. [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 966 974) no Hoare annotation was computed. [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point L64(lines 60 82) no Hoare annotation was computed. [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point L62(lines 60 82) no Hoare annotation was computed. [2018-11-23 12:59:30,841 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 57 83) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse9)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse6 .cse5) (or (and (= ~pumpRunning~0 1) .cse9) (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse7 .cse0 .cse2 .cse8 .cse5) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse6 .cse10 .cse11 .cse5) (or .cse0 .cse2 .cse11 .cse5 .cse10)))) [2018-11-23 12:59:30,841 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 57 83) no Hoare annotation was computed. [2018-11-23 12:59:30,842 INFO L444 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse5 .cse6) (or .cse3 .cse1 .cse4 .cse6) (or (or .cse3 .cse2) .cse5)))) [2018-11-23 12:59:30,842 INFO L444 ceAbstractionStarter]: At program point L71(lines 71 77) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and .cse6 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or .cse0 .cse2) .cse5 .cse3) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse6 (= 1 ~waterLevel~0))) (or .cse0 .cse5 .cse7 .cse3) (or .cse0 .cse1 .cse3 .cse7)))) [2018-11-23 12:59:30,842 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 57 83) no Hoare annotation was computed. [2018-11-23 12:59:30,842 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-11-23 12:59:30,842 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 930 941) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 12:59:30,842 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 930 941) no Hoare annotation was computed. [2018-11-23 12:59:30,842 INFO L448 ceAbstractionStarter]: For program point L934-1(lines 930 941) no Hoare annotation was computed. [2018-11-23 12:59:30,842 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 839 845) no Hoare annotation was computed. [2018-11-23 12:59:30,842 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 839 845) the Hoare annotation is: true [2018-11-23 12:59:30,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 12:59:30,842 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 12:59:30,842 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 12:59:30,842 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 286 293) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 286 293) the Hoare annotation is: true [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 286 293) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point L98-1(line 98) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 92 116) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 113) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 92 116) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L444 ceAbstractionStarter]: At program point L111(line 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 92 116) no Hoare annotation was computed. [2018-11-23 12:59:30,843 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 12:59:30,843 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-23 12:59:30,843 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 108) no Hoare annotation was computed. [2018-11-23 12:59:30,844 INFO L444 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-11-23 12:59:30,844 INFO L448 ceAbstractionStarter]: For program point L946-1(lines 942 953) no Hoare annotation was computed. [2018-11-23 12:59:30,844 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 942 953) no Hoare annotation was computed. [2018-11-23 12:59:30,844 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 942 953) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1 .cse4) .cse0) (or .cse5 .cse0 .cse6 .cse3 .cse2) (or .cse5 (or .cse4 .cse3) .cse6 .cse0) (or .cse0 (or .cse3 .cse1) .cse6 .cse2))) [2018-11-23 12:59:30,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 919 926) no Hoare annotation was computed. [2018-11-23 12:59:30,844 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 919 926) the Hoare annotation is: true [2018-11-23 12:59:30,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 923) no Hoare annotation was computed. [2018-11-23 12:59:30,844 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 919 926) no Hoare annotation was computed. [2018-11-23 12:59:30,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:59:30 BoogieIcfgContainer [2018-11-23 12:59:30,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:59:30,857 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:59:30,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:59:30,858 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:59:30,858 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:59:08" (3/4) ... [2018-11-23 12:59:30,861 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 12:59:30,873 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 12:59:30,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 12:59:30,875 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 12:59:30,882 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 12:59:30,882 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 12:59:30,883 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 12:59:30,883 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 12:59:30,883 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 12:59:30,883 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:59:30,884 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 12:59:30,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((systemActive == 0 && (0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 12:59:30,906 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 12:59:30,939 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b20bd21b-3c90-40af-8778-c26887b56d83/bin-2019/utaipan/witness.graphml [2018-11-23 12:59:30,939 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:59:30,939 INFO L168 Benchmark]: Toolchain (without parser) took 23625.50 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 956.6 MB in the beginning and 1.5 GB in the end (delta: -512.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-23 12:59:30,940 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:59:30,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:30,940 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.82 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. [2018-11-23 12:59:30,940 INFO L168 Benchmark]: Boogie Preprocessor took 25.60 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. [2018-11-23 12:59:30,941 INFO L168 Benchmark]: RCFGBuilder took 471.05 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:59:30,941 INFO L168 Benchmark]: TraceAbstraction took 22645.37 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -411.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-23 12:59:30,941 INFO L168 Benchmark]: Witness Printer took 81.44 ms. Allocated memory is still 2.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:59:30,942 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 374.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -161.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.82 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. * Boogie Preprocessor took 25.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 471.05 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22645.37 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -411.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 81.44 ms. Allocated memory is still 2.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 923]: 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: 307]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((systemActive == 0 && (0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && \old(waterLevel) == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 176 locations, 1 error locations. SAFE Result, 22.5s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2736 SDtfs, 2741 SDslu, 8157 SDs, 0 SdLazy, 6175 SolverSat, 1380 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2691 GetRequests, 2519 SyntacticMatches, 24 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 871 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3037occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 8.5s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 854 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4763 PreInvPairs, 4922 NumberOfFragments, 2394 HoareAnnotationTreeSize, 4763 FomulaSimplifications, 16534 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 72 FomulaSimplificationsInter, 30000 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 3200 NumberOfCodeBlocks, 3200 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4435 ConstructedInterpolants, 0 QuantifiedInterpolants, 1617735 SizeOfPredicates, 13 NumberOfNonLiveVariables, 5225 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 4094/4230 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...