./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:40:25,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:40:25,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:40:25,895 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:40:25,895 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:40:25,896 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:40:25,897 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:40:25,898 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:40:25,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:40:25,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:40:25,900 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:40:25,900 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:40:25,901 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:40:25,901 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:40:25,902 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:40:25,902 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:40:25,903 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:40:25,904 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:40:25,905 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:40:25,906 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:40:25,906 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:40:25,907 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:40:25,908 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:40:25,908 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:40:25,908 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:40:25,909 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:40:25,909 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:40:25,909 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:40:25,910 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:40:25,910 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:40:25,910 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:40:25,911 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:40:25,911 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:40:25,911 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:40:25,911 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:40:25,912 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:40:25,912 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:40:25,919 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:40:25,919 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:40:25,920 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:40:25,920 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:40:25,920 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:40:25,920 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:40:25,920 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:40:25,920 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:40:25,920 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:40:25,921 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:40:25,921 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:40:25,922 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:40:25,922 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:40:25,923 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:40:25,923 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:40:25,923 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_589ff649-b78a-427e-9b2c-97ab11f4f894/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-12-09 19:40:25,943 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:40:25,952 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:40:25,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:40:25,955 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:40:25,956 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:40:25,956 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-09 19:40:25,995 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/data/2d43b7944/7f2f92467ba04baaaee1f564d5a6e6fb/FLAG3c8c13c26 [2018-12-09 19:40:26,409 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:40:26,410 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-09 19:40:26,416 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/data/2d43b7944/7f2f92467ba04baaaee1f564d5a6e6fb/FLAG3c8c13c26 [2018-12-09 19:40:26,424 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/data/2d43b7944/7f2f92467ba04baaaee1f564d5a6e6fb [2018-12-09 19:40:26,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:40:26,427 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:40:26,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:40:26,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:40:26,429 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:40:26,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26, skipping insertion in model container [2018-12-09 19:40:26,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:40:26,456 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:40:26,606 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:40:26,649 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:40:26,692 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:40:26,708 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:40:26,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26 WrapperNode [2018-12-09 19:40:26,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:40:26,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:40:26,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:40:26,709 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:40:26,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,722 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,727 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:40:26,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:40:26,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:40:26,728 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:40:26,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,735 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... [2018-12-09 19:40:26,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:40:26,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:40:26,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:40:26,748 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:40:26,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/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 [2018-12-09 19:40:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:40:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:40:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:40:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:40:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:40:26,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:40:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:40:26,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:40:26,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:40:26,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:40:26,781 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:40:26,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:40:26,782 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:40:26,782 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:40:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:40:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:40:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:40:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:40:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:40:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:40:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:40:26,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:40:26,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:40:27,091 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:40:27,092 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:40:27,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:40:27 BoogieIcfgContainer [2018-12-09 19:40:27,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:40:27,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:40:27,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:40:27,095 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:40:27,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:40:26" (1/3) ... [2018-12-09 19:40:27,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f86cf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:40:27, skipping insertion in model container [2018-12-09 19:40:27,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:40:26" (2/3) ... [2018-12-09 19:40:27,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f86cf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:40:27, skipping insertion in model container [2018-12-09 19:40:27,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:40:27" (3/3) ... [2018-12-09 19:40:27,098 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-09 19:40:27,106 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:40:27,113 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:40:27,122 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:40:27,140 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:40:27,141 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:40:27,141 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:40:27,141 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:40:27,141 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:40:27,141 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:40:27,141 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:40:27,141 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:40:27,153 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-12-09 19:40:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:40:27,159 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:27,159 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:27,161 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:27,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:27,164 INFO L82 PathProgramCache]: Analyzing trace with hash 389066251, now seen corresponding path program 1 times [2018-12-09 19:40:27,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:27,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:27,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:27,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:40:27,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:27,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:40:27,340 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:27,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:40:27,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:40:27,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:40:27,352 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-12-09 19:40:27,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:27,380 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2018-12-09 19:40:27,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:40:27,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 19:40:27,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:27,388 INFO L225 Difference]: With dead ends: 306 [2018-12-09 19:40:27,389 INFO L226 Difference]: Without dead ends: 155 [2018-12-09 19:40:27,391 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 [2018-12-09 19:40:27,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-09 19:40:27,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-09 19:40:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-09 19:40:27,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2018-12-09 19:40:27,424 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2018-12-09 19:40:27,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:27,424 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2018-12-09 19:40:27,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:40:27,424 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2018-12-09 19:40:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:40:27,426 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:27,426 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:27,426 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:27,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:27,426 INFO L82 PathProgramCache]: Analyzing trace with hash -286557566, now seen corresponding path program 1 times [2018-12-09 19:40:27,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:27,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:27,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,427 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:40:27,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:27,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:40:27,491 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:27,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:40:27,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:40:27,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:40:27,493 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2018-12-09 19:40:27,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:27,510 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-12-09 19:40:27,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:40:27,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 19:40:27,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:27,512 INFO L225 Difference]: With dead ends: 255 [2018-12-09 19:40:27,512 INFO L226 Difference]: Without dead ends: 146 [2018-12-09 19:40:27,513 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 [2018-12-09 19:40:27,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-09 19:40:27,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-09 19:40:27,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-09 19:40:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-12-09 19:40:27,522 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-12-09 19:40:27,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:27,522 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-12-09 19:40:27,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:40:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-12-09 19:40:27,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 19:40:27,523 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:27,523 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:27,523 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:27,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:27,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1860139503, now seen corresponding path program 1 times [2018-12-09 19:40:27,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:27,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:27,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:40:27,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:27,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:40:27,603 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:27,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:40:27,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:40:27,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:40:27,604 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2018-12-09 19:40:27,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:27,780 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2018-12-09 19:40:27,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:40:27,780 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 19:40:27,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:27,782 INFO L225 Difference]: With dead ends: 264 [2018-12-09 19:40:27,782 INFO L226 Difference]: Without dead ends: 146 [2018-12-09 19:40:27,783 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:40:27,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-09 19:40:27,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-09 19:40:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-09 19:40:27,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-09 19:40:27,795 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2018-12-09 19:40:27,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:27,795 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-09 19:40:27,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:40:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-09 19:40:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 19:40:27,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:27,798 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:27,798 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:27,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:27,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1068225782, now seen corresponding path program 1 times [2018-12-09 19:40:27,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:27,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:27,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:27,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:27,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:40:27,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:27,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:40:27,880 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:27,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:40:27,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:40:27,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:40:27,881 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2018-12-09 19:40:28,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:28,227 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2018-12-09 19:40:28,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:40:28,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-09 19:40:28,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:28,229 INFO L225 Difference]: With dead ends: 375 [2018-12-09 19:40:28,229 INFO L226 Difference]: Without dead ends: 257 [2018-12-09 19:40:28,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:40:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-09 19:40:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2018-12-09 19:40:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-12-09 19:40:28,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2018-12-09 19:40:28,245 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2018-12-09 19:40:28,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:28,245 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2018-12-09 19:40:28,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:40:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2018-12-09 19:40:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 19:40:28,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:28,247 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:28,247 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:28,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:28,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1280982680, now seen corresponding path program 1 times [2018-12-09 19:40:28,247 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:28,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:28,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:28,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:28,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:28,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:40:28,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:28,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:40:28,327 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:28,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:40:28,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:40:28,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:40:28,328 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2018-12-09 19:40:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:28,459 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2018-12-09 19:40:28,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:40:28,460 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 19:40:28,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:28,463 INFO L225 Difference]: With dead ends: 643 [2018-12-09 19:40:28,463 INFO L226 Difference]: Without dead ends: 432 [2018-12-09 19:40:28,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:40:28,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-12-09 19:40:28,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2018-12-09 19:40:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-09 19:40:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-12-09 19:40:28,494 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2018-12-09 19:40:28,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:28,495 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-12-09 19:40:28,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:40:28,495 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-12-09 19:40:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 19:40:28,496 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:28,496 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:28,496 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:28,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:28,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1019197196, now seen corresponding path program 1 times [2018-12-09 19:40:28,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:28,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:28,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:28,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:28,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:28,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:40:28,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:28,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:40:28,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:28,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:40:28,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:40:28,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:40:28,584 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2018-12-09 19:40:28,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:28,881 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2018-12-09 19:40:28,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 19:40:28,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-09 19:40:28,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:28,884 INFO L225 Difference]: With dead ends: 853 [2018-12-09 19:40:28,884 INFO L226 Difference]: Without dead ends: 455 [2018-12-09 19:40:28,885 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:40:28,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-09 19:40:28,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2018-12-09 19:40:28,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-12-09 19:40:28,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2018-12-09 19:40:28,907 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2018-12-09 19:40:28,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:28,908 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2018-12-09 19:40:28,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:40:28,908 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2018-12-09 19:40:28,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:40:28,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:28,910 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] [2018-12-09 19:40:28,910 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:28,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:28,910 INFO L82 PathProgramCache]: Analyzing trace with hash -521179943, now seen corresponding path program 1 times [2018-12-09 19:40:28,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:28,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:28,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:28,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:28,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:28,959 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:40:28,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:28,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:40:28,959 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:28,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:40:28,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:40:28,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:40:28,960 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2018-12-09 19:40:28,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:28,990 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2018-12-09 19:40:28,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:40:28,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-09 19:40:28,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:28,992 INFO L225 Difference]: With dead ends: 836 [2018-12-09 19:40:28,992 INFO L226 Difference]: Without dead ends: 439 [2018-12-09 19:40:28,993 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 [2018-12-09 19:40:28,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-12-09 19:40:29,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-12-09 19:40:29,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-09 19:40:29,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2018-12-09 19:40:29,006 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2018-12-09 19:40:29,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:29,006 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2018-12-09 19:40:29,006 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:40:29,006 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2018-12-09 19:40:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:40:29,007 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:29,007 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] [2018-12-09 19:40:29,007 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:29,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:29,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1417982103, now seen corresponding path program 1 times [2018-12-09 19:40:29,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:29,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:29,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:29,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:29,008 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:29,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:40:29,056 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:29,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:40:29,056 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:29,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:40:29,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:40:29,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:40:29,057 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2018-12-09 19:40:29,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:29,081 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2018-12-09 19:40:29,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:40:29,082 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-09 19:40:29,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:29,084 INFO L225 Difference]: With dead ends: 856 [2018-12-09 19:40:29,084 INFO L226 Difference]: Without dead ends: 449 [2018-12-09 19:40:29,084 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 [2018-12-09 19:40:29,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-09 19:40:29,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-09 19:40:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-09 19:40:29,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2018-12-09 19:40:29,098 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2018-12-09 19:40:29,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:29,099 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2018-12-09 19:40:29,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:40:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2018-12-09 19:40:29,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 19:40:29,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:29,101 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] [2018-12-09 19:40:29,101 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:29,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:29,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2107815178, now seen corresponding path program 1 times [2018-12-09 19:40:29,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:29,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:29,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:29,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:29,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:29,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:40:29,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:40:29,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:40:29,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:29,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:40:29,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:40:29,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:40:29,162 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2018-12-09 19:40:29,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:29,291 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2018-12-09 19:40:29,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:40:29,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-09 19:40:29,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:29,294 INFO L225 Difference]: With dead ends: 1306 [2018-12-09 19:40:29,294 INFO L226 Difference]: Without dead ends: 891 [2018-12-09 19:40:29,295 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 [2018-12-09 19:40:29,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-12-09 19:40:29,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2018-12-09 19:40:29,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-12-09 19:40:29,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2018-12-09 19:40:29,322 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2018-12-09 19:40:29,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:29,322 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2018-12-09 19:40:29,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:40:29,322 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2018-12-09 19:40:29,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 19:40:29,323 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:29,323 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] [2018-12-09 19:40:29,323 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:29,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:29,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1926232080, now seen corresponding path program 1 times [2018-12-09 19:40:29,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:29,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:29,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:29,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:29,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:40:29,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:40:29,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:40:29,441 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-12-09 19:40:29,442 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [95], [99], [103], [106], [111], [114], [119], [122], [137], [138], [141], [143], [146], [148], [151], [154], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [204], [208], [241], [242], [250], [254], [257], [259], [262], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [299], [300], [303], [304], [305], [307], [308], [315], [316], [317], [318], [319], [320], [321], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [339], [340], [341], [347], [348], [349], [351], [352], [353], [354] [2018-12-09 19:40:29,466 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:40:29,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:40:29,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:40:29,786 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Performed 2887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-09 19:40:29,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:29,791 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:40:29,969 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.68% of their original sizes. [2018-12-09 19:40:29,969 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:40:30,084 INFO L418 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-12-09 19:40:30,085 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:40:30,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:40:30,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-12-09 19:40:30,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:30,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 19:40:30,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 19:40:30,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:40:30,086 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2018-12-09 19:40:33,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:33,860 INFO L93 Difference]: Finished difference Result 2172 states and 2580 transitions. [2018-12-09 19:40:33,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 19:40:33,860 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-12-09 19:40:33,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:33,866 INFO L225 Difference]: With dead ends: 2172 [2018-12-09 19:40:33,866 INFO L226 Difference]: Without dead ends: 1324 [2018-12-09 19:40:33,868 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-12-09 19:40:33,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2018-12-09 19:40:33,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1322. [2018-12-09 19:40:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1322 states. [2018-12-09 19:40:33,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1322 states to 1322 states and 1526 transitions. [2018-12-09 19:40:33,906 INFO L78 Accepts]: Start accepts. Automaton has 1322 states and 1526 transitions. Word has length 112 [2018-12-09 19:40:33,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:33,907 INFO L480 AbstractCegarLoop]: Abstraction has 1322 states and 1526 transitions. [2018-12-09 19:40:33,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 19:40:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1526 transitions. [2018-12-09 19:40:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 19:40:33,910 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:33,910 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:33,910 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:33,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:33,910 INFO L82 PathProgramCache]: Analyzing trace with hash 627913357, now seen corresponding path program 1 times [2018-12-09 19:40:33,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:33,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:33,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:33,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:33,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:40:34,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:40:34,002 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:40:34,002 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-09 19:40:34,003 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [146], [148], [151], [154], [163], [165], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [201], [204], [208], [214], [241], [242], [245], [249], [250], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [347], [348], [349], [351], [352], [353], [354], [357], [358] [2018-12-09 19:40:34,005 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:40:34,006 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:40:35,229 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:40:35,230 INFO L272 AbstractInterpreter]: Visited 147 different actions 1042 times. Merged at 17 different actions 67 times. Never widened. Performed 34739 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34739 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 18 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-09 19:40:35,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:35,232 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:40:35,480 INFO L227 lantSequenceWeakener]: Weakened 177 states. On average, predicates are now at 97.79% of their original sizes. [2018-12-09 19:40:35,481 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:40:35,616 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-09 19:40:35,616 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:40:35,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:40:35,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-09 19:40:35,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:35,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 19:40:35,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 19:40:35,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=447, Unknown=0, NotChecked=0, Total=552 [2018-12-09 19:40:35,617 INFO L87 Difference]: Start difference. First operand 1322 states and 1526 transitions. Second operand 24 states. [2018-12-09 19:40:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:45,269 INFO L93 Difference]: Finished difference Result 4408 states and 5408 transitions. [2018-12-09 19:40:45,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-12-09 19:40:45,269 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 181 [2018-12-09 19:40:45,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:45,276 INFO L225 Difference]: With dead ends: 4408 [2018-12-09 19:40:45,276 INFO L226 Difference]: Without dead ends: 3397 [2018-12-09 19:40:45,279 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1493 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=825, Invalid=4287, Unknown=0, NotChecked=0, Total=5112 [2018-12-09 19:40:45,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2018-12-09 19:40:45,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 2689. [2018-12-09 19:40:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2689 states. [2018-12-09 19:40:45,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3146 transitions. [2018-12-09 19:40:45,372 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3146 transitions. Word has length 181 [2018-12-09 19:40:45,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:45,372 INFO L480 AbstractCegarLoop]: Abstraction has 2689 states and 3146 transitions. [2018-12-09 19:40:45,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 19:40:45,372 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3146 transitions. [2018-12-09 19:40:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 19:40:45,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:45,377 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:45,377 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:45,377 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:45,377 INFO L82 PathProgramCache]: Analyzing trace with hash 790956297, now seen corresponding path program 1 times [2018-12-09 19:40:45,377 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:45,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:45,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:45,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:45,378 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:45,450 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:40:45,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:40:45,450 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:40:45,450 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 262 with the following transitions: [2018-12-09 19:40:45,451 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [122], [137], [138], [139], [140], [141], [143], [146], [148], [151], [154], [157], [163], [165], [166], [167], [168], [169], [170], [172], [177], [180], [181], [183], [188], [190], [191], [196], [198], [201], [204], [208], [214], [241], [242], [245], [249], [250], [254], [257], [259], [262], [269], [272], [275], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [293], [294], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319], [320], [321], [322], [325], [326], [327], [328], [329], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [347], [348], [349], [351], [352], [353], [354], [357], [358] [2018-12-09 19:40:45,454 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:40:45,454 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:40:47,039 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:40:47,039 INFO L272 AbstractInterpreter]: Visited 150 different actions 1438 times. Merged at 22 different actions 133 times. Widened at 1 different actions 1 times. Performed 49389 root evaluator evaluations with a maximum evaluation depth of 5. Performed 49389 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-09 19:40:47,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:47,042 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:40:47,042 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:40:47,042 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/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 [2018-12-09 19:40:47,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:47,048 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:40:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:47,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:40:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 19:40:47,219 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:40:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-09 19:40:47,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:40:47,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-09 19:40:47,510 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:47,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:40:47,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:40:47,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:40:47,511 INFO L87 Difference]: Start difference. First operand 2689 states and 3146 transitions. Second operand 5 states. [2018-12-09 19:40:47,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:47,865 INFO L93 Difference]: Finished difference Result 4601 states and 5561 transitions. [2018-12-09 19:40:47,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:40:47,866 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 261 [2018-12-09 19:40:47,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:47,872 INFO L225 Difference]: With dead ends: 4601 [2018-12-09 19:40:47,872 INFO L226 Difference]: Without dead ends: 2422 [2018-12-09 19:40:47,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 522 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:40:47,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2018-12-09 19:40:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2296. [2018-12-09 19:40:47,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2296 states. [2018-12-09 19:40:47,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 2296 states and 2692 transitions. [2018-12-09 19:40:47,950 INFO L78 Accepts]: Start accepts. Automaton has 2296 states and 2692 transitions. Word has length 261 [2018-12-09 19:40:47,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:47,950 INFO L480 AbstractCegarLoop]: Abstraction has 2296 states and 2692 transitions. [2018-12-09 19:40:47,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:40:47,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2692 transitions. [2018-12-09 19:40:47,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-09 19:40:47,954 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:40:47,955 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:40:47,955 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:40:47,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:40:47,955 INFO L82 PathProgramCache]: Analyzing trace with hash -971024625, now seen corresponding path program 2 times [2018-12-09 19:40:47,955 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:40:47,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:47,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:40:47,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:40:47,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:40:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:40:48,099 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 19:40:48,099 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:40:48,099 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:40:48,100 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 19:40:48,100 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 19:40:48,100 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:40:48,100 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/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 [2018-12-09 19:40:48,106 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 19:40:48,106 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 19:40:48,175 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-09 19:40:48,175 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 19:40:48,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:40:48,291 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:40:48,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:40:48,638 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 60 proven. 2 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-09 19:40:48,654 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:40:48,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 19:40:48,654 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:40:48,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:40:48,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:40:48,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:40:48,655 INFO L87 Difference]: Start difference. First operand 2296 states and 2692 transitions. Second operand 8 states. [2018-12-09 19:40:48,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:40:48,812 INFO L93 Difference]: Finished difference Result 3482 states and 4123 transitions. [2018-12-09 19:40:48,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:40:48,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2018-12-09 19:40:48,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:40:48,813 INFO L225 Difference]: With dead ends: 3482 [2018-12-09 19:40:48,813 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:40:48,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 499 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:40:48,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:40:48,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:40:48,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:40:48,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:40:48,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2018-12-09 19:40:48,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:40:48,817 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:40:48,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:40:48,817 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:40:48,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:40:48,820 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:40:48,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:48,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:40:49,614 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 41 [2018-12-09 19:40:49,811 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 23 [2018-12-09 19:40:50,563 WARN L180 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 58 [2018-12-09 19:40:50,855 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-12-09 19:40:51,449 WARN L180 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 59 [2018-12-09 19:40:51,711 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 35 [2018-12-09 19:40:52,323 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 44 [2018-12-09 19:40:53,267 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 61 [2018-12-09 19:40:53,411 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 25 [2018-12-09 19:40:54,288 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2018-12-09 19:40:54,290 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-12-09 19:40:54,290 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-12-09 19:40:54,290 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-12-09 19:40:54,290 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-12-09 19:40:54,290 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-12-09 19:40:54,290 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,290 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,291 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 19:40:54,291 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 19:40:54,291 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-12-09 19:40:54,291 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L451 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-12-09 19:40:54,292 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-12-09 19:40:54,292 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,292 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L451 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) .cse2) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1))) [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse5 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse5)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse5) .cse6) (or .cse4 .cse6 .cse1 .cse5)))) [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or .cse5 .cse3 .cse0 .cse4) (or .cse5 .cse3 .cse0 .cse2))) [2018-12-09 19:40:54,293 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 19:40:54,293 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-12-09 19:40:54,293 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L444 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L444 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse3 (not .cse5)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1) (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1)) (and .cse2 .cse3 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse3 .cse1) (<= 2 ~waterLevel~0) .cse4) (and .cse0 .cse4 .cse5 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1)))) [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse3 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (not .cse0) .cse1) (<= 2 ~waterLevel~0) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= 0 ~methaneLevelCritical~0) .cse1) (not (= ~systemActive~0 1)) (and .cse3 .cse2 .cse0 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-12-09 19:40:54,294 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1) (and (<= 2 ~waterLevel~0) .cse2 (and (not .cse3) .cse1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse3 .cse1))) [2018-12-09 19:40:54,294 INFO L444 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1) (= 0 ~methaneLevelCritical~0)) (and (and (not .cse2) .cse1) (<= 2 ~waterLevel~0) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and .cse0 .cse3 .cse2 .cse1) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:40:54,294 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse4) .cse1 .cse2))) [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse2 .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L444 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse7 .cse2) (or .cse0 .cse3 .cse6 .cse4 .cse5 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 .cse7))) [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse7 .cse2) (or .cse0 .cse3 .cse6 .cse4 .cse5 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse5 .cse7))) [2018-12-09 19:40:54,295 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-12-09 19:40:54,295 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:40:54,296 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse1 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse1 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:40:54,296 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0 .cse3 .cse4 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse3 .cse4 .cse2))) [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L451 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L448 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-12-09 19:40:54,296 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not .cse8)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse6 (< ~waterLevel~0 2)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= 0 ~methaneLevelCritical~0) (or .cse3 .cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (or .cse5 .cse6 .cse7 (or .cse3 .cse8)) (or .cse5 .cse1 .cse7 .cse3 .cse4) (or .cse2 .cse6 (or .cse0 .cse3 .cse4))))) [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse11 (= 0 |old(~pumpRunning~0)|)) (.cse15 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not .cse15)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse16 (not (= ~waterLevel~0 1))) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not .cse11)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse12 (= ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse0 .cse3 .cse4) (and .cse6 .cse7)) (or .cse8 .cse1 (and .cse6 .cse9 .cse7) .cse3 .cse4) (or .cse8 .cse10 (or .cse3 .cse11) .cse7) (or .cse12 (or .cse0 .cse1 .cse3 .cse4 .cse13)) (or .cse1 (and .cse6 .cse2 .cse7) .cse4 .cse3 .cse5 .cse14) (or .cse0 .cse15 .cse1 .cse16 .cse3 .cse4) (or .cse8 (or .cse3 .cse4) .cse10 .cse6) (or .cse15 .cse1 (and .cse6 .cse16 .cse9 .cse7) .cse3 .cse4 .cse14) (or .cse7 (or .cse3 .cse14 .cse11)) (or (or .cse1 .cse3 .cse4 .cse14 .cse13) .cse12)))) [2018-12-09 19:40:54,297 INFO L444 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (= 0 |old(~pumpRunning~0)|)) (.cse11 (= |old(~waterLevel~0)| 1)) (.cse16 (= ~methAndRunningLastTime~0 0)) (.cse18 (<= 2 ~waterLevel~0)) (.cse19 (= ~pumpRunning~0 1)) (.cse21 (= ~systemActive~0 1)) (.cse20 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse16 (= 0 ~methaneLevelCritical~0) .cse18 .cse19 .cse21 .cse20)) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse14 (= ~waterLevel~0 2)) (.cse9 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not .cse11)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= ~pumpRunning~0 0)) (.cse17 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse8)) (.cse13 (and .cse16 .cse20 .cse7)) (.cse2 (not .cse21)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse2 .cse5 .cse8)) (or .cse9 .cse10 .cse11 .cse0 .cse2 .cse3) (or .cse12 .cse0 .cse13 .cse2 .cse3 .cse5) (or .cse14 (or .cse10 .cse0 .cse2 .cse3 .cse15)) (or .cse12 (or .cse0 .cse2 .cse3 .cse5 .cse15) .cse14) (or .cse11 .cse0 .cse9 .cse2 .cse3 .cse5) (or .cse10 .cse0 .cse2 .cse1 .cse3 .cse4) (or (and .cse16 .cse6) (or .cse10 .cse2 .cse3)) (or .cse17 .cse6 (< |old(~waterLevel~0)| 2) (or .cse2 .cse8)) (or .cse17 (and .cse16 .cse18 .cse19 .cse20) .cse0 .cse13 .cse2 .cse3)))) [2018-12-09 19:40:54,297 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse14 (= 0 |old(~pumpRunning~0)|)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (= |old(~waterLevel~0)| 1))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not .cse16)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (and .cse4 .cse5)) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse17 (not (= ~waterLevel~0 1))) (.cse6 (not .cse14)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse15 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5)) (or .cse0 .cse6 .cse7 .cse1 .cse2 .cse8) (or .cse9 .cse6 (and .cse3 .cse5 .cse4) .cse1 .cse2) (or .cse10 (or .cse0 .cse6 .cse1 .cse2 .cse11)) (or .cse9 .cse12 .cse13 (or .cse1 .cse14)) (or .cse6 (and .cse3 .cse7 .cse4) .cse2 .cse1 .cse8 .cse15) (or .cse0 .cse16 .cse6 .cse17 .cse1 .cse2) (or .cse13 (or .cse1 .cse15 .cse14)) (or .cse9 (or .cse1 .cse2) .cse12 .cse3) (or .cse16 .cse6 (and .cse3 .cse17 .cse5 .cse4) .cse1 .cse2 .cse15) (or (or .cse6 .cse1 .cse2 .cse15 .cse11) .cse10)))) [2018-12-09 19:40:54,297 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (not .cse9)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse10 (and .cse3 .cse4)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (and .cse2 .cse3 .cse4)) (or .cse5 .cse0 .cse1 .cse6) (or .cse7 .cse8 (or .cse0 .cse9) .cse10) (or .cse7 .cse5 .cse0 .cse1) (or .cse7 .cse2 (or .cse0 .cse1) .cse8) (or .cse10 (or .cse0 .cse6 .cse9))))) [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L451 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-12-09 19:40:54,297 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-12-09 19:40:54,297 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2018-12-09 19:40:54,298 INFO L451 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L451 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse0) .cse1) (or (< ~methaneLevelCritical~0 1) (< |old(~waterLevel~0)| 2) (or .cse0 .cse2) .cse1))) [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 19:40:54,298 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-12-09 19:40:54,298 INFO L444 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-09 19:40:54,298 INFO L448 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4))) [2018-12-09 19:40:54,299 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse11 (= 0 ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~waterLevel~0 2)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not .cse11)) (.cse8 (= 1 ~waterLevel~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (or .cse2 .cse3 .cse4)) (or .cse0 .cse2 .cse8 .cse3 .cse4 .cse9) (or (or (or .cse3 .cse10) .cse4) .cse7) (or (or .cse2 .cse10) .cse1 .cse3 .cse4 .cse5) (or .cse2 .cse8 (or .cse4 .cse10) .cse3 .cse9) (or .cse6 (or .cse3 .cse11) (< |old(~waterLevel~0)| 2) .cse7)))) [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-12-09 19:40:54,299 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-12-09 19:40:54,299 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-12-09 19:40:54,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:40:54 BoogieIcfgContainer [2018-12-09 19:40:54,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:40:54,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:40:54,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:40:54,310 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:40:54,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:40:27" (3/4) ... [2018-12-09 19:40:54,314 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:40:54,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:40:54,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:40:54,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:40:54,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:40:54,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:40:54,320 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:40:54,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:40:54,321 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:40:54,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 19:40:54,327 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 19:40:54,327 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 19:40:54,327 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:40:54,327 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:40:54,328 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:40:54,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((methAndRunningLastTime == 0 && splverifierCounter == 0) && 0 == methaneLevelCritical) || (((!(pumpRunning == 0) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:40:54,350 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:40:54,383 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_589ff649-b78a-427e-9b2c-97ab11f4f894/bin-2019/utaipan/witness.graphml [2018-12-09 19:40:54,383 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:40:54,384 INFO L168 Benchmark]: Toolchain (without parser) took 27957.79 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -110.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-09 19:40:54,385 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:40:54,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 280.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:40:54,385 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.96 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. [2018-12-09 19:40:54,385 INFO L168 Benchmark]: Boogie Preprocessor took 20.40 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. [2018-12-09 19:40:54,385 INFO L168 Benchmark]: RCFGBuilder took 343.67 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:40:54,386 INFO L168 Benchmark]: TraceAbstraction took 27217.40 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-12-09 19:40:54,386 INFO L168 Benchmark]: Witness Printer took 73.24 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-09 19:40:54,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 280.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 952.6 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.96 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.40 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 343.67 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: 56.8 MB). Peak memory consumption was 56.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27217.40 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.2 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 73.24 ms. Allocated memory is still 2.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((((((methAndRunningLastTime == 0 && splverifierCounter == 0) && 0 == methaneLevelCritical) || (((!(pumpRunning == 0) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 27.1s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 15.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3186 SDtfs, 3942 SDslu, 10738 SDs, 0 SdLazy, 5468 SolverSat, 2618 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.3s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1501 GetRequests, 1318 SyntacticMatches, 9 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1708 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2689occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.1s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9963994240532926 AbsIntWeakeningRatio, 0.8762886597938144 AbsIntAvgWeakeningVarsNumRemoved, 93.2508591065292 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 915 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 4332 PreInvPairs, 4543 NumberOfFragments, 3374 HoareAnnotationTreeSize, 4332 FomulaSimplifications, 21890 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 70 FomulaSimplificationsInter, 41428 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2066 NumberOfCodeBlocks, 1952 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2567 ConstructedInterpolants, 0 QuantifiedInterpolants, 713818 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1999 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1124/1174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...