./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/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 73819447b87648cd463b03989cd8839b460fd303 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:35:53,794 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:35:53,795 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:35:53,802 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:35:53,803 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:35:53,803 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:35:53,804 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:35:53,805 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:35:53,806 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:35:53,807 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:35:53,807 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:35:53,808 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:35:53,808 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:35:53,809 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:35:53,810 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:35:53,810 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:35:53,811 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:35:53,812 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:35:53,813 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:35:53,814 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:35:53,815 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:35:53,816 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:35:53,817 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:35:53,817 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:35:53,818 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:35:53,818 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:35:53,819 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:35:53,820 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:35:53,820 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:35:53,821 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:35:53,821 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:35:53,822 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:35:53,822 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:35:53,822 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:35:53,823 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:35:53,823 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:35:53,823 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:35:53,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:35:53,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:35:53,832 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:35:53,832 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:35:53,832 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:35:53,832 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:35:53,832 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:35:53,832 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:35:53,832 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:35:53,832 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:35:53,833 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:35:53,833 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:35:53,833 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:35:53,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:35:53,833 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:35:53,834 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:35:53,835 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:35:53,835 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:35:53,835 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:35:53,835 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:35:53,835 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:35:53,835 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:35:53,835 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:35:53,835 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:35:53,836 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:35:53,836 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:35:53,836 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:35:53,836 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:35:53,836 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:35:53,836 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_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/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 -> 73819447b87648cd463b03989cd8839b460fd303 [2018-11-18 16:35:53,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:35:53,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:35:53,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:35:53,869 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:35:53,869 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:35:53,870 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c [2018-11-18 16:35:53,906 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/data/cd4b932d0/27cae3e111334aadbc30e161934912c0/FLAGa8d73ad34 [2018-11-18 16:35:54,365 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:35:54,365 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c [2018-11-18 16:35:54,375 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/data/cd4b932d0/27cae3e111334aadbc30e161934912c0/FLAGa8d73ad34 [2018-11-18 16:35:54,385 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/data/cd4b932d0/27cae3e111334aadbc30e161934912c0 [2018-11-18 16:35:54,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:35:54,388 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:35:54,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:35:54,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:35:54,391 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:35:54,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54, skipping insertion in model container [2018-11-18 16:35:54,394 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:35:54,432 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:35:54,636 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:35:54,643 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:35:54,752 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:35:54,772 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:35:54,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54 WrapperNode [2018-11-18 16:35:54,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:35:54,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:35:54,773 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:35:54,773 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:35:54,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,797 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:35:54,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:35:54,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:35:54,797 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:35:54,803 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... [2018-11-18 16:35:54,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:35:54,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:35:54,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:35:54,827 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:35:54,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:35:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:35:54,873 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:35:54,873 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:35:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:35:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 16:35:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 16:35:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:35:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:35:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:35:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:35:54,874 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:35:54,874 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:35:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:35:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:35:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:35:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:35:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:35:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:35:54,875 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:35:54,875 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:35:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:35:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:35:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:35:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:35:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:35:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:35:54,876 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:35:54,876 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:35:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:35:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:35:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:35:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:35:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:35:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:35:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:35:54,877 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:35:54,877 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:35:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:35:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:35:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 16:35:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 16:35:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:35:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:35:54,878 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:35:54,878 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:35:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:35:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:35:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:35:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:35:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:35:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:35:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:35:54,879 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:35:54,879 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:35:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:35:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:35:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:35:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:35:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:35:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:35:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:35:54,880 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:35:54,880 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:35:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:35:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:35:54,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:35:54,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:35:55,329 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:35:55,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:35:55 BoogieIcfgContainer [2018-11-18 16:35:55,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:35:55,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:35:55,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:35:55,332 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:35:55,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:35:54" (1/3) ... [2018-11-18 16:35:55,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7891dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:35:55, skipping insertion in model container [2018-11-18 16:35:55,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:35:54" (2/3) ... [2018-11-18 16:35:55,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7891dcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:35:55, skipping insertion in model container [2018-11-18 16:35:55,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:35:55" (3/3) ... [2018-11-18 16:35:55,334 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64_true-unreach-call_false-termination.cil.c [2018-11-18 16:35:55,340 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:35:55,345 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:35:55,354 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:35:55,377 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:35:55,377 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:35:55,377 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:35:55,377 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:35:55,377 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:35:55,378 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:35:55,378 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:35:55,378 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:35:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2018-11-18 16:35:55,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 16:35:55,401 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:55,402 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:55,404 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:55,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:55,408 INFO L82 PathProgramCache]: Analyzing trace with hash 2057367658, now seen corresponding path program 1 times [2018-11-18 16:35:55,409 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:55,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:55,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:55,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:55,438 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:55,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:35:55,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:55,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:35:55,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:55,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:35:55,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:35:55,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:35:55,627 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2018-11-18 16:35:55,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:55,663 INFO L93 Difference]: Finished difference Result 330 states and 411 transitions. [2018-11-18 16:35:55,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:35:55,665 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 16:35:55,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:55,674 INFO L225 Difference]: With dead ends: 330 [2018-11-18 16:35:55,675 INFO L226 Difference]: Without dead ends: 167 [2018-11-18 16:35:55,678 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:35:55,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-11-18 16:35:55,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-11-18 16:35:55,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-11-18 16:35:55,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 199 transitions. [2018-11-18 16:35:55,718 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 199 transitions. Word has length 51 [2018-11-18 16:35:55,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:55,718 INFO L480 AbstractCegarLoop]: Abstraction has 167 states and 199 transitions. [2018-11-18 16:35:55,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:35:55,719 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 199 transitions. [2018-11-18 16:35:55,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 16:35:55,722 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:55,722 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:55,722 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:55,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:55,722 INFO L82 PathProgramCache]: Analyzing trace with hash -1527896222, now seen corresponding path program 1 times [2018-11-18 16:35:55,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:55,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:55,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:55,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:55,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:55,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:35:55,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:55,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:35:55,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:55,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:35:55,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:35:55,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:35:55,798 INFO L87 Difference]: Start difference. First operand 167 states and 199 transitions. Second operand 3 states. [2018-11-18 16:35:55,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:55,819 INFO L93 Difference]: Finished difference Result 267 states and 319 transitions. [2018-11-18 16:35:55,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:35:55,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 16:35:55,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:55,822 INFO L225 Difference]: With dead ends: 267 [2018-11-18 16:35:55,822 INFO L226 Difference]: Without dead ends: 157 [2018-11-18 16:35:55,823 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:35:55,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-18 16:35:55,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-18 16:35:55,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-18 16:35:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2018-11-18 16:35:55,836 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2018-11-18 16:35:55,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:55,836 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2018-11-18 16:35:55,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:35:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2018-11-18 16:35:55,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:35:55,838 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:55,839 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:55,839 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:55,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:55,839 INFO L82 PathProgramCache]: Analyzing trace with hash -2136810968, now seen corresponding path program 1 times [2018-11-18 16:35:55,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:55,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:55,840 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:35:55,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:55,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:35:55,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:55,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:35:55,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:35:55,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:35:55,989 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 7 states. [2018-11-18 16:35:56,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:56,537 INFO L93 Difference]: Finished difference Result 467 states and 573 transitions. [2018-11-18 16:35:56,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:35:56,537 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 16:35:56,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:56,540 INFO L225 Difference]: With dead ends: 467 [2018-11-18 16:35:56,540 INFO L226 Difference]: Without dead ends: 338 [2018-11-18 16:35:56,542 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:35:56,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2018-11-18 16:35:56,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 326. [2018-11-18 16:35:56,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2018-11-18 16:35:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 399 transitions. [2018-11-18 16:35:56,576 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 399 transitions. Word has length 58 [2018-11-18 16:35:56,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:56,576 INFO L480 AbstractCegarLoop]: Abstraction has 326 states and 399 transitions. [2018-11-18 16:35:56,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:35:56,577 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 399 transitions. [2018-11-18 16:35:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 16:35:56,579 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:56,579 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:56,579 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:56,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:56,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1172728837, now seen corresponding path program 1 times [2018-11-18 16:35:56,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:56,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:56,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:56,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:56,581 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:35:56,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:56,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:35:56,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:56,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:35:56,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:35:56,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:35:56,679 INFO L87 Difference]: Start difference. First operand 326 states and 399 transitions. Second operand 6 states. [2018-11-18 16:35:56,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:56,877 INFO L93 Difference]: Finished difference Result 904 states and 1131 transitions. [2018-11-18 16:35:56,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:35:56,877 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 16:35:56,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:56,881 INFO L225 Difference]: With dead ends: 904 [2018-11-18 16:35:56,881 INFO L226 Difference]: Without dead ends: 606 [2018-11-18 16:35:56,882 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:35:56,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2018-11-18 16:35:56,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 600. [2018-11-18 16:35:56,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 600 states. [2018-11-18 16:35:56,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 600 states and 738 transitions. [2018-11-18 16:35:56,915 INFO L78 Accepts]: Start accepts. Automaton has 600 states and 738 transitions. Word has length 63 [2018-11-18 16:35:56,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:56,915 INFO L480 AbstractCegarLoop]: Abstraction has 600 states and 738 transitions. [2018-11-18 16:35:56,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:35:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 738 transitions. [2018-11-18 16:35:56,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 16:35:56,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:56,918 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:56,918 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:56,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:56,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1818947511, now seen corresponding path program 1 times [2018-11-18 16:35:56,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:56,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:56,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:56,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:56,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:57,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:35:57,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:57,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:35:57,011 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:57,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:35:57,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:35:57,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:35:57,012 INFO L87 Difference]: Start difference. First operand 600 states and 738 transitions. Second operand 7 states. [2018-11-18 16:35:57,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:57,535 INFO L93 Difference]: Finished difference Result 1569 states and 2048 transitions. [2018-11-18 16:35:57,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:35:57,536 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 16:35:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:57,541 INFO L225 Difference]: With dead ends: 1569 [2018-11-18 16:35:57,541 INFO L226 Difference]: Without dead ends: 997 [2018-11-18 16:35:57,543 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:35:57,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2018-11-18 16:35:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 893. [2018-11-18 16:35:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 893 states. [2018-11-18 16:35:57,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 893 states and 1081 transitions. [2018-11-18 16:35:57,581 INFO L78 Accepts]: Start accepts. Automaton has 893 states and 1081 transitions. Word has length 67 [2018-11-18 16:35:57,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:57,582 INFO L480 AbstractCegarLoop]: Abstraction has 893 states and 1081 transitions. [2018-11-18 16:35:57,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:35:57,582 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1081 transitions. [2018-11-18 16:35:57,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 16:35:57,585 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:57,585 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:57,585 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:57,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:57,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1469464903, now seen corresponding path program 1 times [2018-11-18 16:35:57,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:57,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:57,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:57,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:57,587 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:57,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:35:57,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:57,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:35:57,653 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:57,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:35:57,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:35:57,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:35:57,654 INFO L87 Difference]: Start difference. First operand 893 states and 1081 transitions. Second operand 6 states. [2018-11-18 16:35:57,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:57,696 INFO L93 Difference]: Finished difference Result 1786 states and 2238 transitions. [2018-11-18 16:35:57,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:35:57,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 110 [2018-11-18 16:35:57,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:57,699 INFO L225 Difference]: With dead ends: 1786 [2018-11-18 16:35:57,700 INFO L226 Difference]: Without dead ends: 921 [2018-11-18 16:35:57,701 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:35:57,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-11-18 16:35:57,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 913. [2018-11-18 16:35:57,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-11-18 16:35:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1101 transitions. [2018-11-18 16:35:57,730 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1101 transitions. Word has length 110 [2018-11-18 16:35:57,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:57,731 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1101 transitions. [2018-11-18 16:35:57,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:35:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1101 transitions. [2018-11-18 16:35:57,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 16:35:57,732 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:57,732 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:57,732 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:57,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:57,733 INFO L82 PathProgramCache]: Analyzing trace with hash 469697143, now seen corresponding path program 1 times [2018-11-18 16:35:57,733 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:57,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:57,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:57,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:57,734 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:35:57,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:57,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:35:57,824 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:57,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:35:57,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:35:57,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:35:57,825 INFO L87 Difference]: Start difference. First operand 913 states and 1101 transitions. Second operand 8 states. [2018-11-18 16:35:57,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:57,863 INFO L93 Difference]: Finished difference Result 1826 states and 2278 transitions. [2018-11-18 16:35:57,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:35:57,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 110 [2018-11-18 16:35:57,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:57,867 INFO L225 Difference]: With dead ends: 1826 [2018-11-18 16:35:57,867 INFO L226 Difference]: Without dead ends: 941 [2018-11-18 16:35:57,869 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:35:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-18 16:35:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 929. [2018-11-18 16:35:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 929 states. [2018-11-18 16:35:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 929 states and 1117 transitions. [2018-11-18 16:35:57,897 INFO L78 Accepts]: Start accepts. Automaton has 929 states and 1117 transitions. Word has length 110 [2018-11-18 16:35:57,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:57,898 INFO L480 AbstractCegarLoop]: Abstraction has 929 states and 1117 transitions. [2018-11-18 16:35:57,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:35:57,898 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1117 transitions. [2018-11-18 16:35:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 16:35:57,899 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:57,899 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:57,900 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:57,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:57,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1238867158, now seen corresponding path program 1 times [2018-11-18 16:35:57,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:57,900 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:57,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:57,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:57,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 16:35:57,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:35:57,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:35:57,985 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:57,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:35:57,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:35:57,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:35:57,986 INFO L87 Difference]: Start difference. First operand 929 states and 1117 transitions. Second operand 4 states. [2018-11-18 16:35:58,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:35:58,180 INFO L93 Difference]: Finished difference Result 2937 states and 3698 transitions. [2018-11-18 16:35:58,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:35:58,180 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 110 [2018-11-18 16:35:58,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:35:58,186 INFO L225 Difference]: With dead ends: 2937 [2018-11-18 16:35:58,187 INFO L226 Difference]: Without dead ends: 2036 [2018-11-18 16:35:58,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:35:58,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2036 states. [2018-11-18 16:35:58,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2036 to 2005. [2018-11-18 16:35:58,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2005 states. [2018-11-18 16:35:58,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 2005 states and 2473 transitions. [2018-11-18 16:35:58,257 INFO L78 Accepts]: Start accepts. Automaton has 2005 states and 2473 transitions. Word has length 110 [2018-11-18 16:35:58,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:35:58,258 INFO L480 AbstractCegarLoop]: Abstraction has 2005 states and 2473 transitions. [2018-11-18 16:35:58,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:35:58,258 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 2473 transitions. [2018-11-18 16:35:58,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 16:35:58,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:35:58,261 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:35:58,261 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:35:58,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:58,261 INFO L82 PathProgramCache]: Analyzing trace with hash -392606436, now seen corresponding path program 1 times [2018-11-18 16:35:58,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:35:58,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:58,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:35:58,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:35:58,264 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:35:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:35:58,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:35:58,387 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:35:58,387 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:35:58,388 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 115 with the following transitions: [2018-11-18 16:35:58,389 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [73], [74], [75], [90], [93], [95], [99], [105], [109], [113], [116], [121], [124], [129], [135], [141], [149], [150], [153], [155], [158], [160], [163], [166], [178], [179], [180], [181], [182], [184], [189], [192], [193], [195], [200], [202], [203], [208], [210], [238], [239], [245], [249], [263], [269], [272], [274], [277], [287], [290], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [306], [314], [315], [320], [321], [322], [324], [325], [332], [333], [334], [335], [336], [337], [342], [346], [347], [348], [349], [350], [352], [353], [354], [355], [356], [357], [364], [365], [366], [368], [369], [370], [372], [373], [374], [375] [2018-11-18 16:35:58,416 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:35:58,416 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:35:58,796 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:35:58,797 INFO L272 AbstractInterpreter]: Visited 85 different actions 85 times. Never merged. Never widened. Performed 2811 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2811 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-18 16:35:58,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:35:58,810 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:35:59,032 INFO L227 lantSequenceWeakener]: Weakened 83 states. On average, predicates are now at 96.62% of their original sizes. [2018-11-18 16:35:59,032 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:35:59,189 INFO L415 sIntCurrentIteration]: We unified 113 AI predicates to 113 [2018-11-18 16:35:59,189 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:35:59,189 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:35:59,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-18 16:35:59,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:35:59,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 16:35:59,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 16:35:59,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-11-18 16:35:59,191 INFO L87 Difference]: Start difference. First operand 2005 states and 2473 transitions. Second operand 22 states. [2018-11-18 16:36:07,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:07,252 INFO L93 Difference]: Finished difference Result 4938 states and 6122 transitions. [2018-11-18 16:36:07,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 16:36:07,252 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 114 [2018-11-18 16:36:07,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:07,260 INFO L225 Difference]: With dead ends: 4938 [2018-11-18 16:36:07,260 INFO L226 Difference]: Without dead ends: 2961 [2018-11-18 16:36:07,264 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 437 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=263, Invalid=1993, Unknown=0, NotChecked=0, Total=2256 [2018-11-18 16:36:07,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2018-11-18 16:36:07,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 2944. [2018-11-18 16:36:07,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2944 states. [2018-11-18 16:36:07,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2944 states to 2944 states and 3534 transitions. [2018-11-18 16:36:07,345 INFO L78 Accepts]: Start accepts. Automaton has 2944 states and 3534 transitions. Word has length 114 [2018-11-18 16:36:07,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:07,346 INFO L480 AbstractCegarLoop]: Abstraction has 2944 states and 3534 transitions. [2018-11-18 16:36:07,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 16:36:07,346 INFO L276 IsEmpty]: Start isEmpty. Operand 2944 states and 3534 transitions. [2018-11-18 16:36:07,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 16:36:07,351 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:07,351 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 16:36:07,352 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:07,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:07,352 INFO L82 PathProgramCache]: Analyzing trace with hash -872796729, now seen corresponding path program 1 times [2018-11-18 16:36:07,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:36:07,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:07,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:07,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:07,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:36:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:07,401 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:36:07,401 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:36:07,401 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:36:07,401 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:36:07,402 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:36:07,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:36:07,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:07,402 INFO L87 Difference]: Start difference. First operand 2944 states and 3534 transitions. Second operand 4 states. [2018-11-18 16:36:07,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:07,565 INFO L93 Difference]: Finished difference Result 4699 states and 5650 transitions. [2018-11-18 16:36:07,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:36:07,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 176 [2018-11-18 16:36:07,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:07,571 INFO L225 Difference]: With dead ends: 4699 [2018-11-18 16:36:07,571 INFO L226 Difference]: Without dead ends: 1850 [2018-11-18 16:36:07,575 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:36:07,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1850 states. [2018-11-18 16:36:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1850 to 1800. [2018-11-18 16:36:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1800 states. [2018-11-18 16:36:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2119 transitions. [2018-11-18 16:36:07,627 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2119 transitions. Word has length 176 [2018-11-18 16:36:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:07,628 INFO L480 AbstractCegarLoop]: Abstraction has 1800 states and 2119 transitions. [2018-11-18 16:36:07,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:36:07,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2119 transitions. [2018-11-18 16:36:07,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:36:07,631 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:07,631 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:07,631 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:07,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:07,632 INFO L82 PathProgramCache]: Analyzing trace with hash 912925567, now seen corresponding path program 1 times [2018-11-18 16:36:07,632 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:36:07,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:07,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:07,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:07,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:36:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:07,747 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 16:36:07,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:07,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:36:07,748 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-11-18 16:36:07,748 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [42], [44], [45], [46], [47], [59], [63], [65], [66], [69], [73], [74], [75], [90], [93], [95], [99], [105], [109], [113], [116], [119], [121], [124], [127], [129], [132], [135], [138], [149], [150], [153], [155], [158], [160], [163], [166], [175], [177], [178], [179], [180], [181], [182], [184], [189], [192], [193], [195], [200], [202], [203], [208], [210], [238], [239], [245], [249], [252], [255], [263], [267], [268], [269], [272], [274], [277], [287], [290], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [306], [314], [315], [320], [321], [322], [324], [325], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [346], [347], [348], [349], [350], [352], [353], [354], [355], [356], [357], [364], [365], [366], [367], [368], [369], [370], [372], [373], [374], [375] [2018-11-18 16:36:07,751 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:36:07,751 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:36:10,350 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:36:10,350 INFO L272 AbstractInterpreter]: Visited 128 different actions 1059 times. Merged at 21 different actions 142 times. Widened at 1 different actions 1 times. Performed 54868 root evaluator evaluations with a maximum evaluation depth of 3. Performed 54868 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 35 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-18 16:36:10,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:10,370 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:36:10,639 INFO L227 lantSequenceWeakener]: Weakened 143 states. On average, predicates are now at 98.37% of their original sizes. [2018-11-18 16:36:10,640 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:36:10,816 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-11-18 16:36:10,816 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:36:10,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:36:10,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-11-18 16:36:10,817 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:36:10,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-18 16:36:10,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-18 16:36:10,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2018-11-18 16:36:10,818 INFO L87 Difference]: Start difference. First operand 1800 states and 2119 transitions. Second operand 24 states. [2018-11-18 16:36:33,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:33,653 INFO L93 Difference]: Finished difference Result 8485 states and 11444 transitions. [2018-11-18 16:36:33,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-11-18 16:36:33,653 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 147 [2018-11-18 16:36:33,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:33,683 INFO L225 Difference]: With dead ends: 8485 [2018-11-18 16:36:33,684 INFO L226 Difference]: Without dead ends: 7138 [2018-11-18 16:36:33,692 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3985 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1498, Invalid=10058, Unknown=0, NotChecked=0, Total=11556 [2018-11-18 16:36:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7138 states. [2018-11-18 16:36:34,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7138 to 6483. [2018-11-18 16:36:34,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6483 states. [2018-11-18 16:36:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6483 states to 6483 states and 8311 transitions. [2018-11-18 16:36:34,041 INFO L78 Accepts]: Start accepts. Automaton has 6483 states and 8311 transitions. Word has length 147 [2018-11-18 16:36:34,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:34,041 INFO L480 AbstractCegarLoop]: Abstraction has 6483 states and 8311 transitions. [2018-11-18 16:36:34,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-18 16:36:34,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6483 states and 8311 transitions. [2018-11-18 16:36:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 16:36:34,051 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:34,051 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:36:34,051 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:34,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:34,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1223221970, now seen corresponding path program 1 times [2018-11-18 16:36:34,052 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:36:34,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:34,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:34,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:34,053 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:36:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:34,210 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 16:36:34,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:34,210 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:36:34,210 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 230 with the following transitions: [2018-11-18 16:36:34,211 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [42], [44], [45], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [73], [74], [75], [78], [80], [86], [90], [93], [94], [95], [99], [105], [109], [113], [116], [119], [121], [124], [127], [129], [132], [135], [138], [141], [149], [150], [151], [152], [153], [155], [158], [160], [163], [166], [169], [175], [177], [178], [179], [180], [181], [182], [184], [189], [192], [193], [195], [200], [202], [203], [208], [210], [238], [239], [242], [245], [249], [252], [255], [258], [262], [263], [267], [268], [269], [272], [274], [277], [284], [287], [290], [292], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [306], [308], [309], [312], [313], [314], [315], [318], [319], [320], [321], [322], [324], [325], [326], [327], [330], [331], [332], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [346], [347], [348], [349], [350], [352], [353], [354], [355], [356], [357], [362], [363], [364], [365], [366], [367], [368], [369], [370], [372], [373], [374], [375], [378], [379] [2018-11-18 16:36:34,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:36:34,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:36:37,021 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:36:37,021 INFO L272 AbstractInterpreter]: Visited 165 different actions 1828 times. Merged at 29 different actions 228 times. Widened at 1 different actions 1 times. Performed 71628 root evaluator evaluations with a maximum evaluation depth of 5. Performed 71628 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 77 fixpoints after 9 different actions. Largest state had 135 variables. [2018-11-18 16:36:37,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:37,026 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:36:37,027 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:37,027 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:36:37,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:37,034 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:36:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:37,162 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:36:37,439 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 16:36:37,439 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:36:38,765 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 49 proven. 15 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 16:36:38,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:36:38,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 16:36:38,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:36:38,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:38,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:38,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 16:36:38,783 INFO L87 Difference]: Start difference. First operand 6483 states and 8311 transitions. Second operand 8 states. [2018-11-18 16:36:39,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:39,179 INFO L93 Difference]: Finished difference Result 11536 states and 14997 transitions. [2018-11-18 16:36:39,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:39,180 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 229 [2018-11-18 16:36:39,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:39,196 INFO L225 Difference]: With dead ends: 11536 [2018-11-18 16:36:39,196 INFO L226 Difference]: Without dead ends: 5916 [2018-11-18 16:36:39,206 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 439 SyntacticMatches, 9 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 16:36:39,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2018-11-18 16:36:39,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5892. [2018-11-18 16:36:39,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5892 states. [2018-11-18 16:36:39,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5892 states to 5892 states and 7393 transitions. [2018-11-18 16:36:39,393 INFO L78 Accepts]: Start accepts. Automaton has 5892 states and 7393 transitions. Word has length 229 [2018-11-18 16:36:39,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:39,394 INFO L480 AbstractCegarLoop]: Abstraction has 5892 states and 7393 transitions. [2018-11-18 16:36:39,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 5892 states and 7393 transitions. [2018-11-18 16:36:39,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-11-18 16:36:39,400 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:39,400 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1] [2018-11-18 16:36:39,400 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:39,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:39,401 INFO L82 PathProgramCache]: Analyzing trace with hash -940293293, now seen corresponding path program 1 times [2018-11-18 16:36:39,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:36:39,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:39,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:39,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:39,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:36:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:39,501 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 61 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-18 16:36:39,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:39,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:36:39,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 268 with the following transitions: [2018-11-18 16:36:39,501 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [73], [74], [75], [78], [80], [86], [90], [93], [94], [95], [99], [105], [109], [113], [116], [119], [121], [124], [127], [129], [135], [141], [149], [150], [151], [152], [153], [155], [158], [160], [163], [166], [169], [175], [177], [178], [179], [180], [181], [182], [184], [189], [192], [193], [195], [200], [202], [203], [208], [210], [238], [239], [242], [245], [249], [255], [258], [260], [262], [263], [269], [272], [274], [277], [284], [287], [290], [292], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [306], [308], [309], [312], [313], [314], [315], [318], [319], [320], [321], [322], [324], [325], [326], [327], [330], [331], [332], [333], [334], [335], [336], [337], [342], [343], [346], [347], [348], [349], [350], [352], [353], [354], [355], [356], [357], [362], [363], [364], [365], [366], [367], [368], [369], [370], [372], [373], [374], [375], [378], [379] [2018-11-18 16:36:39,504 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:36:39,504 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:36:41,456 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:36:41,457 INFO L272 AbstractInterpreter]: Visited 154 different actions 1661 times. Merged at 23 different actions 145 times. Never widened. Performed 50894 root evaluator evaluations with a maximum evaluation depth of 5. Performed 50894 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 46 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 16:36:41,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:41,459 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:36:41,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:41,459 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:36:41,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:41,466 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:36:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:41,584 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:36:41,667 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 16:36:41,667 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:36:41,874 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 57 proven. 3 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-11-18 16:36:41,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:36:41,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6, 5] total 11 [2018-11-18 16:36:41,890 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:36:41,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:36:41,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:36:41,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 16:36:41,890 INFO L87 Difference]: Start difference. First operand 5892 states and 7393 transitions. Second operand 6 states. [2018-11-18 16:36:42,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:42,626 INFO L93 Difference]: Finished difference Result 11692 states and 15244 transitions. [2018-11-18 16:36:42,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:36:42,626 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 267 [2018-11-18 16:36:42,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:42,650 INFO L225 Difference]: With dead ends: 11692 [2018-11-18 16:36:42,651 INFO L226 Difference]: Without dead ends: 6422 [2018-11-18 16:36:42,666 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 532 SyntacticMatches, 3 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-11-18 16:36:42,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6422 states. [2018-11-18 16:36:43,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6422 to 6100. [2018-11-18 16:36:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6100 states. [2018-11-18 16:36:43,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6100 states to 6100 states and 7481 transitions. [2018-11-18 16:36:43,101 INFO L78 Accepts]: Start accepts. Automaton has 6100 states and 7481 transitions. Word has length 267 [2018-11-18 16:36:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:43,102 INFO L480 AbstractCegarLoop]: Abstraction has 6100 states and 7481 transitions. [2018-11-18 16:36:43,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:36:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 6100 states and 7481 transitions. [2018-11-18 16:36:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-11-18 16:36:43,111 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:36:43,112 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 16:36:43,112 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:36:43,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:43,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1201245107, now seen corresponding path program 1 times [2018-11-18 16:36:43,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:36:43,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:43,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:43,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:36:43,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:36:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:43,250 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 16:36:43,250 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:43,250 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:36:43,251 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-11-18 16:36:43,251 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [73], [74], [75], [78], [80], [86], [90], [93], [94], [95], [99], [105], [109], [113], [116], [119], [121], [124], [127], [129], [135], [141], [149], [150], [151], [152], [153], [155], [158], [160], [163], [166], [169], [175], [177], [178], [179], [180], [181], [182], [184], [189], [192], [193], [195], [200], [202], [203], [208], [210], [238], [239], [242], [245], [249], [255], [258], [262], [263], [269], [272], [274], [277], [284], [287], [290], [294], [295], [298], [299], [300], [301], [302], [303], [304], [305], [306], [308], [309], [312], [313], [314], [315], [318], [319], [320], [321], [322], [324], [325], [326], [327], [330], [331], [332], [333], [334], [335], [336], [337], [342], [343], [346], [347], [348], [349], [350], [352], [353], [354], [355], [356], [357], [362], [363], [364], [365], [366], [367], [368], [369], [370], [372], [373], [374], [375], [378], [379] [2018-11-18 16:36:43,252 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:36:43,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:36:45,039 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:36:45,039 INFO L272 AbstractInterpreter]: Visited 152 different actions 1483 times. Merged at 24 different actions 139 times. Widened at 1 different actions 1 times. Performed 45820 root evaluator evaluations with a maximum evaluation depth of 5. Performed 45820 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 32 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-18 16:36:45,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:36:45,040 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:36:45,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:36:45,040 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:36:45,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:36:45,050 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:36:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:36:45,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:36:45,217 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-11-18 16:36:45,217 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:36:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-11-18 16:36:45,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:36:45,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 16:36:45,593 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:36:45,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:36:45,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:36:45,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 16:36:45,594 INFO L87 Difference]: Start difference. First operand 6100 states and 7481 transitions. Second operand 8 states. [2018-11-18 16:36:45,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:36:45,877 INFO L93 Difference]: Finished difference Result 7147 states and 8684 transitions. [2018-11-18 16:36:45,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:36:45,878 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 263 [2018-11-18 16:36:45,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:36:45,879 INFO L225 Difference]: With dead ends: 7147 [2018-11-18 16:36:45,879 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:36:45,888 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 539 GetRequests, 510 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 16:36:45,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:36:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:36:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:36:45,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:36:45,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2018-11-18 16:36:45,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:36:45,889 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:36:45,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:36:45,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:36:45,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:36:45,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:36:46,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,447 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 87 [2018-11-18 16:36:46,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,809 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2018-11-18 16:36:46,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:46,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,148 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:36:47,885 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 25 [2018-11-18 16:36:48,039 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2018-11-18 16:36:48,932 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 53 [2018-11-18 16:36:49,124 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 42 [2018-11-18 16:36:49,635 WARN L180 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 68 [2018-11-18 16:36:49,889 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 43 [2018-11-18 16:36:50,299 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 60 [2018-11-18 16:36:50,761 WARN L180 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 55 [2018-11-18 16:36:51,016 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2018-11-18 16:36:52,752 WARN L180 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 74 [2018-11-18 16:36:52,896 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2018-11-18 16:36:53,010 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-11-18 16:36:53,381 WARN L180 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 49 [2018-11-18 16:36:53,489 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 31 [2018-11-18 16:36:53,492 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 16:36:53,492 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 16:36:53,492 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 16:36:53,492 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 16:36:53,492 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 16:36:53,492 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 651 673) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,492 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 651 673) no Hoare annotation was computed. [2018-11-18 16:36:53,492 INFO L421 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:36:53,492 INFO L421 ceAbstractionStarter]: At program point L663-1(line 663) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 668) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L661-1(lines 661 668) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point L657-1(line 657) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 651 673) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 168) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3))) [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L156(lines 156 173) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 152 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3 .cse4))) [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 152 176) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse3 .cse4))) [2018-11-18 16:36:53,493 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 152 176) no Hoare annotation was computed. [2018-11-18 16:36:53,493 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3))) [2018-11-18 16:36:53,494 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3))) [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 330 344) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L421 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse4 (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse2) (or .cse3 .cse2 .cse0) (or .cse5 .cse6 .cse4 .cse2 .cse1))) [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 340) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 330 344) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= ~systemActive~0 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (or .cse13 (= ~systemActive~0 0))) (.cse4 (not (= |old(~systemActive~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse10 (or .cse2 .cse12)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse9 (and .cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (let ((.cse5 (or .cse0 .cse2 .cse1))) (and (or .cse4 .cse5) (or .cse6 .cse5))) .cse7) (or .cse0 .cse8 .cse9 .cse6 .cse1) (or .cse7 (let ((.cse11 (not (= ~waterLevel~0 1)))) (and (or (or .cse10 .cse11) .cse4 .cse1) (or .cse2 .cse6 .cse1 .cse11 .cse12)))) (or .cse3 (or .cse10 .cse1)) (or .cse8 .cse6 .cse9 .cse1 .cse12)))) [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 330 344) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 247 255) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 247 255) the Hoare annotation is: true [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 247 255) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L428 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: true [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point L320-2(lines 320 324) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point L318-1(line 318) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 311 329) the Hoare annotation is: true [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 311 329) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 311 329) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 16:36:53,494 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 16:36:53,494 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 640 650) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,494 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 640 650) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 640 650) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L421 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,495 INFO L428 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: true [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point L241-1(line 241) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 236 246) the Hoare annotation is: true [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 236 246) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 236 246) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 228 235) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2) (or .cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1)))) [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point L558(lines 558 564) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 554 567) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 554 567) the Hoare annotation is: true [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 554 567) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L421 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3))) [2018-11-18 16:36:53,495 INFO L421 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse5) .cse6 .cse1 .cse2) (or .cse6 .cse1 .cse5 .cse2 .cse3))) [2018-11-18 16:36:53,495 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 194) no Hoare annotation was computed. [2018-11-18 16:36:53,495 INFO L421 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse1 .cse6 .cse2 .cse3))) [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 178 202) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point L182(lines 182 199) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 178 202) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse2 .cse4) (or .cse5 .cse3 .cse4 .cse6 .cse2) (or .cse1 .cse3 .cse2 .cse4 .cse6))) [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse3) (or .cse4 .cse2 .cse3 .cse6 .cse5) (or .cse1 .cse2 .cse3 .cse6))) [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 118 124) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 118 124) the Hoare annotation is: true [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point L417(lines 366 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 357 424) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 .cse5 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse6 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse6 .cse5 .cse4))) [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 357 424) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point L405-1(lines 397 412) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse6 .cse7 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse7 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse0 .cse2 .cse7 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point L368(lines 367 416) no Hoare annotation was computed. [2018-11-18 16:36:53,496 INFO L421 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse0 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse1 .cse3) (and .cse0 .cse4 .cse5 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:36:53,496 INFO L425 ceAbstractionStarter]: For program point L397(lines 397 412) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L421 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse5 .cse3 .cse6 .cse4) (and .cse1 .cse5 (= ~pumpRunning~0 1) .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L387(lines 387 393) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L421 ceAbstractionStarter]: At program point L414(lines 367 416) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse1 .cse2 (= ~pumpRunning~0 1) .cse6 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse5 .cse3 .cse6 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:36:53,497 INFO L421 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse5 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse1 .cse2 (= ~pumpRunning~0 1) .cse6 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse5 .cse3 .cse6 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 383) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L377-1(lines 377 383) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L369(lines 369 373) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L367-1(lines 367 416) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 357 424) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 203 210) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 203 210) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 203 210) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 568 576) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 568 576) the Hoare annotation is: true [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 568 576) no Hoare annotation was computed. [2018-11-18 16:36:53,497 INFO L425 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-18 16:36:53,498 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 444 472) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse4 .cse2 .cse3) (or .cse6 .cse4 .cse0 .cse5 .cse2) (or .cse6 .cse0 .cse1 .cse4 .cse2))) [2018-11-18 16:36:53,498 INFO L421 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse0 .cse5 .cse2) (or .cse0 .cse5 .cse3))) [2018-11-18 16:36:53,498 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 463) no Hoare annotation was computed. [2018-11-18 16:36:53,498 INFO L425 ceAbstractionStarter]: For program point L456(lines 456 466) no Hoare annotation was computed. [2018-11-18 16:36:53,498 INFO L421 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6 .cse2) (or .cse0 .cse6 .cse3) (or .cse4 .cse0 .cse1 .cse5 .cse2))) [2018-11-18 16:36:53,498 INFO L425 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-11-18 16:36:53,498 INFO L425 ceAbstractionStarter]: For program point L452(lines 452 469) no Hoare annotation was computed. [2018-11-18 16:36:53,498 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 444 472) no Hoare annotation was computed. [2018-11-18 16:36:53,498 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 444 472) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L421 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (not (= ~waterLevel~0 1)) .cse3 .cse4) (or (not (= 1 ~pumpRunning~0)) .cse1 .cse4 .cse2 .cse3) (or .cse6 .cse4 .cse0 .cse5 .cse2) (or .cse6 .cse0 .cse1 .cse4 .cse2))) [2018-11-18 16:36:53,499 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 436 443) 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))) [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 436 443) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 436 443) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L421 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point L222-1(lines 211 227) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 227) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2018-11-18 16:36:53,499 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 227) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-18 16:36:53,500 INFO L421 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 292 310) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L428 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point L301-2(lines 301 305) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 292 310) the Hoare annotation is: true [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 292 310) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 501 512) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= ~waterLevel~0 1))) (.cse9 (<= 1 ~methaneLevelCritical~0)) (.cse10 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse4 .cse6 .cse7) (or .cse0 .cse1 .cse8 .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse9 (or .cse10 .cse1 .cse2 .cse4)) (or .cse1 .cse8 .cse4 .cse6 .cse7) (or (not (= 1 ~pumpRunning~0)) .cse8 .cse7 .cse4 .cse6) (or .cse0 .cse3 .cse1 .cse8 .cse4 .cse5) (or .cse9 (or .cse10 .cse1 .cse8 .cse4)))) [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 501 512) no Hoare annotation was computed. [2018-11-18 16:36:53,500 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 501 512) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L428 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point L589-1(lines 589 603) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L428 ceAbstractionStarter]: At program point L589-3(lines 589 603) the Hoare annotation is: true [2018-11-18 16:36:53,501 INFO L428 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2018-11-18 16:36:53,501 INFO L428 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 513 521) the Hoare annotation is: true [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 513 521) no Hoare annotation was computed. [2018-11-18 16:36:53,501 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 513 521) no Hoare annotation was computed. [2018-11-18 16:36:53,502 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 94 117) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= ~systemActive~0 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse20 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse14 (or .cse10 .cse20 .cse1 .cse2)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse13 (<= ~waterLevel~0 0)) (.cse15 (or .cse20 .cse1 .cse2 .cse3)) (.cse17 (and .cse4 .cse5 .cse19)) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse16 (and .cse4 .cse19 .cse5)) (.cse18 (or .cse0 .cse11 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse0 .cse6 .cse1 .cse2 .cse7 .cse3) (or .cse8 (or .cse0 .cse1 .cse2 .cse3 .cse9)) (or (or .cse10 .cse0 .cse1 .cse2 .cse9) .cse8) (or .cse10 .cse0 .cse11 .cse2 .cse8 .cse9) (or .cse12 .cse13 .cse14) (or .cse12 .cse15 .cse13) (or .cse10 .cse0 .cse11 .cse6 .cse2 .cse7) (or .cse12 .cse10 .cse0 .cse11 .cse13 .cse2) (or .cse10 .cse16 .cse0 .cse11 .cse2) (or .cse13 .cse12 .cse10 .cse0 .cse1 .cse2) (or .cse17 .cse14) (or .cse0 .cse11 .cse2 .cse7 .cse3 (and .cse4 .cse6)) (or .cse12 .cse18 .cse13) (or .cse12 .cse0 .cse13 .cse1 .cse2 .cse3) (or .cse15 .cse17) (or .cse10 .cse6 .cse0 .cse1 .cse2 .cse7) (or .cse0 .cse19 .cse1 .cse2 .cse3) (or .cse10 .cse0 .cse1 .cse16 .cse2) (or (and .cse5 .cse19) .cse18)))) [2018-11-18 16:36:53,502 INFO L421 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 0)) (.cse16 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse17 (= ~methAndRunningLastTime~0 0)) (.cse18 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse19 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse5 (not (= ~systemActive~0 0))) (.cse13 (or .cse10 .cse19 .cse1 .cse2)) (.cse4 (and .cse17 .cse18)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse15 (or .cse19 .cse1 .cse2 .cse3)) (.cse14 (and .cse11 .cse16)) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3) (or .cse0 .cse6 .cse1 .cse2 .cse7 .cse3) (or .cse8 (or .cse0 .cse1 .cse2 .cse3 .cse9)) (or (or .cse10 .cse0 .cse1 .cse2 .cse9) .cse8) (or .cse10 .cse0 .cse5 .cse2) (or .cse11 .cse12 .cse10 .cse0 .cse1 .cse2) (or .cse13 .cse4) (or .cse12 .cse14 .cse13) (or .cse15 .cse4) (or .cse12 .cse0 .cse11 .cse1 .cse2 .cse3) (or .cse12 .cse15 .cse14) (or .cse10 .cse6 .cse0 .cse1 .cse2 .cse7) (or .cse0 .cse16 .cse1 .cse2 .cse3) (or .cse10 .cse0 .cse1 (and .cse17 .cse16 .cse18) .cse2)))) [2018-11-18 16:36:53,502 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 94 117) no Hoare annotation was computed. [2018-11-18 16:36:53,502 INFO L421 ceAbstractionStarter]: At program point L105(lines 105 111) the Hoare annotation is: (let ((.cse24 (= ~systemActive~0 1))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 0))) (.cse22 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse14 (<= ~waterLevel~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse23 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not .cse24)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse18 (= ~methAndRunningLastTime~0 0)) (.cse21 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse12 (and .cse18 (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse24 .cse21)) (.cse11 (or .cse6 .cse23 .cse2 .cse3)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse17 (and .cse14 .cse21)) (.cse20 (or .cse23 .cse2 .cse3 .cse5)) (.cse15 (and .cse18 .cse22)) (.cse10 (and .cse18 (= ~pumpRunning~0 0))) (.cse1 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse16 (and .cse18 .cse21 .cse22)) (.cse19 (or .cse0 .cse9 .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse2 .cse3 .cse7) .cse8) (or .cse6 .cse0 .cse9 .cse3 .cse8 .cse7) (or .cse10 .cse11) (or .cse6 .cse0 .cse9 .cse1 .cse3 .cse4) (or .cse8 (or .cse0 .cse2 .cse3 .cse5 .cse7) .cse12) (or .cse13 .cse6 .cse0 .cse9 .cse14 .cse3) (or .cse0 .cse2 .cse3 .cse5 .cse12 .cse15) (or .cse6 .cse16 .cse0 .cse9 .cse3) (or .cse14 .cse13 .cse6 .cse0 .cse2 .cse3) (or .cse13 .cse17 .cse11) (or .cse0 .cse9 .cse3 .cse4 .cse5 (and .cse18 .cse1)) (or .cse13 .cse19 .cse14) (or .cse13 .cse0 .cse14 .cse2 .cse3 .cse5) (or .cse13 .cse20 .cse17) (or .cse20 .cse15 .cse10) (or .cse6 .cse1 .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse21 .cse2 .cse3 .cse5) (or .cse6 .cse0 .cse2 .cse16 .cse3) (or (and .cse22 .cse21) .cse19))))) [2018-11-18 16:36:53,502 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 94 117) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L421 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (or .cse7 .cse11 .cse1 .cse2)) (.cse8 (< 0 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0)) (.cse10 (or .cse11 .cse1 .cse2 .cse3)) (.cse4 (and (= ~methAndRunningLastTime~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or .cse0 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2) (or .cse8 .cse9 .cse5) (or .cse8 .cse10 .cse9) (or .cse10 .cse4) (or .cse7 .cse0 .cse6 .cse2)))) [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point L98(lines 97 116) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< 0 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or .cse7 (not (= ~methaneLevelCritical~0 0)))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (<= ~waterLevel~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse1 .cse7 .cse3) (or .cse5 .cse0 .cse1 .cse7 .cse3) (or .cse4 .cse1 .cse2 .cse3 .cse6)))) [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 633 639) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 633 639) the Hoare annotation is: true [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L421 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)) [2018-11-18 16:36:53,503 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:36:53,503 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 345 352) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 345 352) the Hoare annotation is: (let ((.cse12 (= ~waterLevel~0 1)) (.cse2 (= |old(~systemActive~0)| 0)) (.cse14 (= ~systemActive~0 0)) (.cse13 (= ~systemActive~0 1))) (let ((.cse5 (or .cse14 .cse13)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not .cse2)) (.cse0 (not .cse14)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse10 (not .cse12)) (.cse9 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse15 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or .cse5 (let ((.cse7 (or .cse1 .cse9 .cse10))) (and (or .cse6 .cse7 .cse4) (or .cse8 .cse7 .cse4)))) (or .cse5 (let ((.cse11 (or .cse1 .cse12 .cse9 .cse4))) (and (or .cse6 .cse11) (or .cse8 .cse11)))) (or (or .cse13 .cse14) (or .cse6 (or .cse9 .cse10 .cse15) .cse4)) (or .cse0 (or .cse2 .cse3 .cse4 .cse15)) (or .cse9 .cse13 .cse8 .cse4 .cse10 .cse15) (or .cse13 (or .cse9 .cse8 .cse4 .cse15 (not (= ~waterLevel~0 2))))))) [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 345 352) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 126 150) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3 .cse4))) [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 126 150) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2 .cse3))) [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse5 .cse2 .cse3))) [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (= processEnvironment__wrappee__highWaterSensor_~tmp~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse4 (and (<= 2 ~waterLevel~0) .cse2 .cse3) .cse5 .cse6) (or .cse0 .cse1 .cse4 .cse5 (not (= ~waterLevel~0 1))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse4 .cse5 .cse6))) [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 .cse4 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse3 .cse4))) [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 489 500) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 489 500) no Hoare annotation was computed. [2018-11-18 16:36:53,504 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 489 500) the Hoare annotation is: (let ((.cse10 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~systemActive~0 1))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse1 (or (not (= 1 ~pumpRunning~0)) (or .cse8 .cse12) .cse5)) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse7 (= ~waterLevel~0 2)) (.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (or .cse10 .cse12)) (.cse2 (< 0 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 0)) (.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= ~systemActive~0 0))) (.cse13 (= 1 ~waterLevel~0)) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse4 .cse8 .cse5 .cse9) (or .cse10 .cse3 .cse5 .cse11 .cse12 .cse13) (or .cse4 .cse0 .cse8 .cse5) (or .cse2 .cse4 .cse6 .cse8 .cse5) (or .cse14 .cse10 .cse8 .cse7 .cse5 .cse9) (or .cse14 .cse3 .cse0 .cse5 .cse10) (or .cse2 .cse14 .cse3 .cse6 .cse5 .cse10) (or .cse14 .cse0 .cse10 .cse8 .cse5) (or .cse2 .cse1 .cse6) (or .cse10 .cse13 .cse8 .cse5 .cse11 .cse12) (or (or .cse14 .cse3 .cse5 .cse10 .cse9) .cse7) (or .cse14 .cse13 .cse10 .cse8 .cse5 .cse11) (or .cse3 .cse0 .cse4 .cse5) (or .cse2 .cse14 .cse6 .cse10 .cse8 .cse5) (or .cse14 .cse10 .cse3 .cse13 .cse5 .cse11)))) [2018-11-18 16:36:53,505 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2018-11-18 16:36:53,505 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2018-11-18 16:36:53,505 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2018-11-18 16:36:53,505 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2018-11-18 16:36:53,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:36:53 BoogieIcfgContainer [2018-11-18 16:36:53,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:36:53,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:36:53,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:36:53,517 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:36:53,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:35:55" (3/4) ... [2018-11-18 16:36:53,520 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:36:53,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:36:53,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:36:53,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:36:53,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:36:53,533 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 16:36:53,534 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:36:53,535 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:36:53,536 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 16:36:53,536 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:36:53,536 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:36:53,536 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:36:53,547 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 16:36:53,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:36:53,548 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:36:53,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(0 == \old(pumpRunning)) || ((((systemActive == 0 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || ((((systemActive == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((methAndRunningLastTime == 0 && methaneLevelCritical == 1) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:36:53,569 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:36:53,607 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_10fa1da4-82db-416c-8bdb-0fdb8fdef1b4/bin-2019/utaipan/witness.graphml [2018-11-18 16:36:53,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:36:53,608 INFO L168 Benchmark]: Toolchain (without parser) took 59220.30 ms. Allocated memory was 1.0 GB in the beginning and 4.0 GB in the end (delta: 2.9 GB). Free memory was 957.6 MB in the beginning and 3.3 GB in the end (delta: -2.3 GB). Peak memory consumption was 605.6 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:53,608 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:36:53,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:53,609 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:36:53,609 INFO L168 Benchmark]: Boogie Preprocessor took 29.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:53,609 INFO L168 Benchmark]: RCFGBuilder took 502.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:36:53,609 INFO L168 Benchmark]: TraceAbstraction took 58186.53 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. [2018-11-18 16:36:53,610 INFO L168 Benchmark]: Witness Printer took 90.47 ms. Allocated memory is still 4.0 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 29.6 kB). Peak memory consumption was 29.6 kB. Max. memory is 11.5 GB. [2018-11-18 16:36:53,611 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.62 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 29.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 502.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.8 MB). Peak memory consumption was 63.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 58186.53 ms. Allocated memory was 1.2 GB in the beginning and 4.0 GB in the end (delta: 2.8 GB). Free memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.7 GB. Max. memory is 11.5 GB. * Witness Printer took 90.47 ms. Allocated memory is still 4.0 GB. Free memory was 3.3 GB in the beginning and 3.3 GB in the end (delta: 29.6 kB). Peak memory consumption was 29.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: 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: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: ((((((((!(0 == \old(pumpRunning)) || ((((systemActive == 0 && methAndRunningLastTime == 0) && 0 == methaneLevelCritical) && pumpRunning == 0) && splverifierCounter == 0)) || ((((systemActive == 0 && methAndRunningLastTime == 0) && methaneLevelCritical == 1) && pumpRunning == 0) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || ((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((methAndRunningLastTime == 0 && methaneLevelCritical == 1) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 180 locations, 1 error locations. SAFE Result, 58.1s OverallTime, 14 OverallIterations, 6 TraceHistogramMax, 34.2s AutomataDifference, 0.0s DeadEndRemovalTime, 7.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 4316 SDtfs, 5348 SDslu, 17335 SDs, 0 SdLazy, 6586 SolverSat, 3953 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2024 GetRequests, 1755 SyntacticMatches, 19 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4628 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6483occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.6s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9965914030938192 AbsIntWeakeningRatio, 0.9111969111969112 AbsIntAvgWeakeningVarsNumRemoved, 84.75675675675676 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1241 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 12152 PreInvPairs, 12422 NumberOfFragments, 5358 HoareAnnotationTreeSize, 12152 FomulaSimplifications, 50478 FormulaSimplificationTreeSizeReduction, 1.8s HoareSimplificationTime, 75 FomulaSimplificationsInter, 52938 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 2577 NumberOfCodeBlocks, 2577 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3316 ConstructedInterpolants, 0 QuantifiedInterpolants, 942251 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3180 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 1502/1585 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...