./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/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 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:34:00,859 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:34:00,860 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:34:00,866 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:34:00,866 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:34:00,867 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:34:00,868 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:34:00,868 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:34:00,869 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:34:00,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:34:00,870 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:34:00,870 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:34:00,871 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:34:00,871 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:34:00,872 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:34:00,872 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:34:00,873 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:34:00,874 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:34:00,874 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:34:00,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:34:00,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:34:00,876 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:34:00,877 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:34:00,878 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:34:00,878 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:34:00,878 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:34:00,879 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:34:00,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:34:00,880 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:34:00,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:34:00,880 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:34:00,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:34:00,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:34:00,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:34:00,881 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:34:00,882 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:34:00,882 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:34:00,889 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:34:00,889 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:34:00,890 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:34:00,890 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:34:00,890 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:34:00,890 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:34:00,890 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:34:00,890 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:34:00,890 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:34:00,891 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:34:00,891 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:34:00,891 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:34:00,891 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:34:00,891 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:34:00,891 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:34:00,891 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:34:00,892 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:34:00,893 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:34:00,893 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:34:00,893 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:34:00,893 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:34:00,893 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:34:00,893 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:34:00,893 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:34:00,893 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:34:00,894 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:34:00,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:34:00,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:34:00,894 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:34:00,894 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_4e07e456-5553-4421-9dcb-862c912bc686/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 -> 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 [2018-12-03 05:34:00,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:34:00,918 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:34:00,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:34:00,921 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:34:00,921 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:34:00,922 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-03 05:34:00,957 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/data/309747cf1/bd3c7835d89b44d7aea78abcd78ab633/FLAG986b96e22 [2018-12-03 05:34:01,355 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:34:01,355 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-03 05:34:01,361 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/data/309747cf1/bd3c7835d89b44d7aea78abcd78ab633/FLAG986b96e22 [2018-12-03 05:34:01,369 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/data/309747cf1/bd3c7835d89b44d7aea78abcd78ab633 [2018-12-03 05:34:01,371 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:34:01,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:34:01,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:34:01,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:34:01,375 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:34:01,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01, skipping insertion in model container [2018-12-03 05:34:01,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:34:01,402 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:34:01,552 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:34:01,595 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:34:01,638 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:34:01,655 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:34:01,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01 WrapperNode [2018-12-03 05:34:01,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:34:01,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:34:01,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:34:01,656 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:34:01,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:34:01,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:34:01,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:34:01,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:34:01,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... [2018-12-03 05:34:01,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:34:01,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:34:01,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:34:01,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:34:01,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:34:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 05:34:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 05:34:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:34:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:34:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 05:34:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 05:34:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 05:34:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 05:34:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 05:34:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 05:34:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 05:34:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 05:34:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 05:34:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 05:34:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 05:34:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 05:34:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 05:34:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 05:34:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 05:34:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 05:34:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 05:34:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 05:34:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 05:34:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 05:34:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 05:34:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 05:34:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 05:34:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 05:34:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 05:34:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 05:34:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 05:34:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 05:34:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 05:34:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 05:34:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 05:34:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 05:34:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 05:34:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 05:34:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 05:34:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:34:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:34:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 05:34:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 05:34:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 05:34:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 05:34:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 05:34:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 05:34:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 05:34:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-03 05:34:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 05:34:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 05:34:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 05:34:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 05:34:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:34:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 05:34:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 05:34:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 05:34:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 05:34:01,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:34:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:34:02,034 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:34:02,034 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 05:34:02,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:34:02 BoogieIcfgContainer [2018-12-03 05:34:02,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:34:02,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:34:02,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:34:02,038 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:34:02,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:34:01" (1/3) ... [2018-12-03 05:34:02,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d27cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:34:02, skipping insertion in model container [2018-12-03 05:34:02,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:34:01" (2/3) ... [2018-12-03 05:34:02,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157d27cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:34:02, skipping insertion in model container [2018-12-03 05:34:02,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:34:02" (3/3) ... [2018-12-03 05:34:02,040 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-12-03 05:34:02,046 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:34:02,052 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:34:02,061 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:34:02,084 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:34:02,084 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:34:02,084 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:34:02,084 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:34:02,084 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:34:02,084 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:34:02,084 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:34:02,084 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:34:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-12-03 05:34:02,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 05:34:02,106 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:02,106 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:02,108 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:02,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:02,111 INFO L82 PathProgramCache]: Analyzing trace with hash -1339530432, now seen corresponding path program 1 times [2018-12-03 05:34:02,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:02,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:02,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:02,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:34:02,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:02,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 05:34:02,269 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:02,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 05:34:02,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 05:34:02,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:34:02,282 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2018-12-03 05:34:02,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:02,307 INFO L93 Difference]: Finished difference Result 318 states and 399 transitions. [2018-12-03 05:34:02,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 05:34:02,308 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 05:34:02,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:02,315 INFO L225 Difference]: With dead ends: 318 [2018-12-03 05:34:02,315 INFO L226 Difference]: Without dead ends: 161 [2018-12-03 05:34:02,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:34:02,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-12-03 05:34:02,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-12-03 05:34:02,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-12-03 05:34:02,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 193 transitions. [2018-12-03 05:34:02,349 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 193 transitions. Word has length 51 [2018-12-03 05:34:02,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:02,349 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 193 transitions. [2018-12-03 05:34:02,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 05:34:02,350 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2018-12-03 05:34:02,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 05:34:02,351 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:02,352 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:02,352 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:02,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:02,352 INFO L82 PathProgramCache]: Analyzing trace with hash -742963198, now seen corresponding path program 1 times [2018-12-03 05:34:02,352 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:02,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:02,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,353 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:34:02,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:02,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:34:02,400 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:02,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:34:02,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:34:02,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:34:02,402 INFO L87 Difference]: Start difference. First operand 161 states and 193 transitions. Second operand 3 states. [2018-12-03 05:34:02,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:02,416 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2018-12-03 05:34:02,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:34:02,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 05:34:02,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:02,417 INFO L225 Difference]: With dead ends: 261 [2018-12-03 05:34:02,417 INFO L226 Difference]: Without dead ends: 152 [2018-12-03 05:34:02,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:34:02,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-03 05:34:02,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-03 05:34:02,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-03 05:34:02,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-12-03 05:34:02,427 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 52 [2018-12-03 05:34:02,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:02,427 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-12-03 05:34:02,427 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:34:02,427 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-12-03 05:34:02,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-03 05:34:02,428 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:02,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:02,428 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:02,428 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:02,429 INFO L82 PathProgramCache]: Analyzing trace with hash 366540083, now seen corresponding path program 1 times [2018-12-03 05:34:02,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:02,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:02,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,429 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:02,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:34:02,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:02,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:34:02,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:02,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:34:02,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:34:02,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:34:02,509 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 7 states. [2018-12-03 05:34:02,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:02,779 INFO L93 Difference]: Finished difference Result 451 states and 555 transitions. [2018-12-03 05:34:02,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:34:02,779 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-03 05:34:02,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:02,781 INFO L225 Difference]: With dead ends: 451 [2018-12-03 05:34:02,781 INFO L226 Difference]: Without dead ends: 327 [2018-12-03 05:34:02,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:34:02,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-12-03 05:34:02,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2018-12-03 05:34:02,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-12-03 05:34:02,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 392 transitions. [2018-12-03 05:34:02,805 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 392 transitions. Word has length 56 [2018-12-03 05:34:02,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:02,805 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 392 transitions. [2018-12-03 05:34:02,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:34:02,805 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 392 transitions. [2018-12-03 05:34:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 05:34:02,807 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:02,807 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:02,807 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:02,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:02,807 INFO L82 PathProgramCache]: Analyzing trace with hash -261648771, now seen corresponding path program 1 times [2018-12-03 05:34:02,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:02,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:02,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:02,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:34:02,860 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:02,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:34:02,860 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:02,860 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:34:02,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:34:02,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:34:02,861 INFO L87 Difference]: Start difference. First operand 319 states and 392 transitions. Second operand 6 states. [2018-12-03 05:34:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:03,010 INFO L93 Difference]: Finished difference Result 883 states and 1110 transitions. [2018-12-03 05:34:03,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:34:03,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-03 05:34:03,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:03,015 INFO L225 Difference]: With dead ends: 883 [2018-12-03 05:34:03,015 INFO L226 Difference]: Without dead ends: 592 [2018-12-03 05:34:03,016 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:34:03,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-12-03 05:34:03,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-12-03 05:34:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-12-03 05:34:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 724 transitions. [2018-12-03 05:34:03,054 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 724 transitions. Word has length 62 [2018-12-03 05:34:03,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:03,055 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 724 transitions. [2018-12-03 05:34:03,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:34:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 724 transitions. [2018-12-03 05:34:03,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-03 05:34:03,057 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:03,057 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:03,057 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:03,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:03,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1938174951, now seen corresponding path program 1 times [2018-12-03 05:34:03,058 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:03,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:03,059 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,059 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:03,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:34:03,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:03,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:34:03,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:03,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:34:03,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:34:03,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:34:03,145 INFO L87 Difference]: Start difference. First operand 586 states and 724 transitions. Second operand 7 states. [2018-12-03 05:34:03,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:03,627 INFO L93 Difference]: Finished difference Result 1521 states and 1998 transitions. [2018-12-03 05:34:03,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 05:34:03,628 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-03 05:34:03,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:03,632 INFO L225 Difference]: With dead ends: 1521 [2018-12-03 05:34:03,632 INFO L226 Difference]: Without dead ends: 963 [2018-12-03 05:34:03,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 05:34:03,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-12-03 05:34:03,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 867. [2018-12-03 05:34:03,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-12-03 05:34:03,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1055 transitions. [2018-12-03 05:34:03,675 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1055 transitions. Word has length 66 [2018-12-03 05:34:03,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:03,675 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1055 transitions. [2018-12-03 05:34:03,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:34:03,675 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1055 transitions. [2018-12-03 05:34:03,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 05:34:03,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:03,678 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:03,678 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:03,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:03,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1191924210, now seen corresponding path program 1 times [2018-12-03 05:34:03,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:03,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:03,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 05:34:03,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:03,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:34:03,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:03,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:34:03,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:34:03,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:34:03,739 INFO L87 Difference]: Start difference. First operand 867 states and 1055 transitions. Second operand 6 states. [2018-12-03 05:34:03,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:03,792 INFO L93 Difference]: Finished difference Result 1734 states and 2186 transitions. [2018-12-03 05:34:03,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 05:34:03,792 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-03 05:34:03,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:03,795 INFO L225 Difference]: With dead ends: 1734 [2018-12-03 05:34:03,795 INFO L226 Difference]: Without dead ends: 895 [2018-12-03 05:34:03,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:34:03,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-12-03 05:34:03,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 887. [2018-12-03 05:34:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-12-03 05:34:03,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1075 transitions. [2018-12-03 05:34:03,825 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1075 transitions. Word has length 108 [2018-12-03 05:34:03,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:03,825 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1075 transitions. [2018-12-03 05:34:03,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:34:03,825 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1075 transitions. [2018-12-03 05:34:03,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 05:34:03,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:03,826 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:03,827 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:03,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:03,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1163881040, now seen corresponding path program 1 times [2018-12-03 05:34:03,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:03,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:03,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,827 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:03,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 05:34:03,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:03,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 05:34:03,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:03,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:34:03,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:34:03,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:34:03,883 INFO L87 Difference]: Start difference. First operand 887 states and 1075 transitions. Second operand 8 states. [2018-12-03 05:34:03,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:03,921 INFO L93 Difference]: Finished difference Result 1774 states and 2226 transitions. [2018-12-03 05:34:03,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:34:03,921 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-03 05:34:03,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:03,923 INFO L225 Difference]: With dead ends: 1774 [2018-12-03 05:34:03,924 INFO L226 Difference]: Without dead ends: 915 [2018-12-03 05:34:03,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:34:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-12-03 05:34:03,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 903. [2018-12-03 05:34:03,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-12-03 05:34:03,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1091 transitions. [2018-12-03 05:34:03,951 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1091 transitions. Word has length 108 [2018-12-03 05:34:03,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:03,951 INFO L480 AbstractCegarLoop]: Abstraction has 903 states and 1091 transitions. [2018-12-03 05:34:03,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:34:03,951 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1091 transitions. [2018-12-03 05:34:03,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-03 05:34:03,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:03,952 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:03,953 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:03,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:03,953 INFO L82 PathProgramCache]: Analyzing trace with hash -394711025, now seen corresponding path program 1 times [2018-12-03 05:34:03,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:03,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:03,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:03,954 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:03,992 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 05:34:03,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:03,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:34:03,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:03,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:34:03,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:34:03,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:34:03,993 INFO L87 Difference]: Start difference. First operand 903 states and 1091 transitions. Second operand 4 states. [2018-12-03 05:34:04,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:04,173 INFO L93 Difference]: Finished difference Result 2845 states and 3606 transitions. [2018-12-03 05:34:04,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:34:04,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-03 05:34:04,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:04,181 INFO L225 Difference]: With dead ends: 2845 [2018-12-03 05:34:04,181 INFO L226 Difference]: Without dead ends: 1970 [2018-12-03 05:34:04,184 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:34:04,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2018-12-03 05:34:04,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1939. [2018-12-03 05:34:04,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2018-12-03 05:34:04,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2407 transitions. [2018-12-03 05:34:04,250 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2407 transitions. Word has length 108 [2018-12-03 05:34:04,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:04,250 INFO L480 AbstractCegarLoop]: Abstraction has 1939 states and 2407 transitions. [2018-12-03 05:34:04,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:34:04,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2407 transitions. [2018-12-03 05:34:04,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-03 05:34:04,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:04,252 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:04,252 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:04,252 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:04,253 INFO L82 PathProgramCache]: Analyzing trace with hash -59689655, now seen corresponding path program 1 times [2018-12-03 05:34:04,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:04,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:04,253 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:04,253 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:04,253 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:04,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 05:34:04,341 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:34:04,341 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:34:04,342 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-12-03 05:34:04,343 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [84], [87], [88], [92], [93], [95], [104], [108], [112], [115], [120], [123], [128], [131], [147], [148], [151], [153], [156], [158], [161], [164], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [216], [220], [260], [264], [267], [269], [272], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [309], [310], [315], [316], [317], [319], [320], [327], [328], [329], [330], [331], [332], [335], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [353], [354], [355], [361], [362], [363], [365], [366], [367], [368] [2018-12-03 05:34:04,374 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:34:04,374 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:34:04,678 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:34:04,679 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Performed 2887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-12-03 05:34:04,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:04,684 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:34:04,919 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.6% of their original sizes. [2018-12-03 05:34:04,919 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:34:05,106 INFO L418 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-12-03 05:34:05,106 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:34:05,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:34:05,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-12-03 05:34:05,107 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:05,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-03 05:34:05,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-03 05:34:05,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:34:05,108 INFO L87 Difference]: Start difference. First operand 1939 states and 2407 transitions. Second operand 25 states. [2018-12-03 05:34:10,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:10,285 INFO L93 Difference]: Finished difference Result 4766 states and 5949 transitions. [2018-12-03 05:34:10,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-03 05:34:10,285 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2018-12-03 05:34:10,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:10,297 INFO L225 Difference]: With dead ends: 4766 [2018-12-03 05:34:10,297 INFO L226 Difference]: Without dead ends: 2855 [2018-12-03 05:34:10,301 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=2575, Unknown=0, NotChecked=0, Total=2862 [2018-12-03 05:34:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2018-12-03 05:34:10,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2840. [2018-12-03 05:34:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-12-03 05:34:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3430 transitions. [2018-12-03 05:34:10,378 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3430 transitions. Word has length 112 [2018-12-03 05:34:10,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:10,378 INFO L480 AbstractCegarLoop]: Abstraction has 2840 states and 3430 transitions. [2018-12-03 05:34:10,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-03 05:34:10,378 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3430 transitions. [2018-12-03 05:34:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-03 05:34:10,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:10,382 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:34:10,382 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:10,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:10,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1748472081, now seen corresponding path program 1 times [2018-12-03 05:34:10,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:10,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:10,384 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:10,384 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:10,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:10,416 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-03 05:34:10,416 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:34:10,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:34:10,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:10,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:34:10,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:34:10,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:34:10,417 INFO L87 Difference]: Start difference. First operand 2840 states and 3430 transitions. Second operand 4 states. [2018-12-03 05:34:10,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:10,550 INFO L93 Difference]: Finished difference Result 3275 states and 3959 transitions. [2018-12-03 05:34:10,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:34:10,550 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-12-03 05:34:10,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:10,555 INFO L225 Difference]: With dead ends: 3275 [2018-12-03 05:34:10,555 INFO L226 Difference]: Without dead ends: 1296 [2018-12-03 05:34:10,559 INFO L631 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 [2018-12-03 05:34:10,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2018-12-03 05:34:10,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2018-12-03 05:34:10,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2018-12-03 05:34:10,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1525 transitions. [2018-12-03 05:34:10,604 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1525 transitions. Word has length 173 [2018-12-03 05:34:10,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:10,605 INFO L480 AbstractCegarLoop]: Abstraction has 1296 states and 1525 transitions. [2018-12-03 05:34:10,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:34:10,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1525 transitions. [2018-12-03 05:34:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-03 05:34:10,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:10,608 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:34:10,608 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:10,608 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:10,608 INFO L82 PathProgramCache]: Analyzing trace with hash 372963358, now seen corresponding path program 1 times [2018-12-03 05:34:10,608 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:10,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:10,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:10,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:10,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:10,677 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 05:34:10,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:34:10,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:34:10,678 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-12-03 05:34:10,678 INFO L205 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], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-12-03 05:34:10,680 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:34:10,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:34:11,408 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:34:11,408 INFO L272 AbstractInterpreter]: Visited 146 different actions 569 times. Merged at 16 different actions 35 times. Never widened. Performed 20294 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20294 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-03 05:34:11,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:11,410 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:34:11,707 INFO L227 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 97.83% of their original sizes. [2018-12-03 05:34:11,708 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:34:11,938 INFO L418 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-12-03 05:34:11,938 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:34:11,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:34:11,939 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [5] total 35 [2018-12-03 05:34:11,939 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:11,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-12-03 05:34:11,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-12-03 05:34:11,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=869, Unknown=0, NotChecked=0, Total=992 [2018-12-03 05:34:11,940 INFO L87 Difference]: Start difference. First operand 1296 states and 1525 transitions. Second operand 32 states. [2018-12-03 05:34:26,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:26,472 INFO L93 Difference]: Finished difference Result 4158 states and 5381 transitions. [2018-12-03 05:34:26,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-12-03 05:34:26,473 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 185 [2018-12-03 05:34:26,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:26,479 INFO L225 Difference]: With dead ends: 4158 [2018-12-03 05:34:26,479 INFO L226 Difference]: Without dead ends: 3175 [2018-12-03 05:34:26,483 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 148 SyntacticMatches, 6 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4622 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1374, Invalid=12668, Unknown=0, NotChecked=0, Total=14042 [2018-12-03 05:34:26,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-12-03 05:34:26,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2975. [2018-12-03 05:34:26,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2975 states. [2018-12-03 05:34:26,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 3456 transitions. [2018-12-03 05:34:26,574 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 3456 transitions. Word has length 185 [2018-12-03 05:34:26,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:26,574 INFO L480 AbstractCegarLoop]: Abstraction has 2975 states and 3456 transitions. [2018-12-03 05:34:26,574 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-12-03 05:34:26,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3456 transitions. [2018-12-03 05:34:26,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-03 05:34:26,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:26,579 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:26,580 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:26,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:26,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1467952148, now seen corresponding path program 1 times [2018-12-03 05:34:26,580 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:26,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:26,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:26,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:26,580 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:26,658 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-03 05:34:26,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:34:26,658 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:34:26,659 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-12-03 05:34:26,659 INFO L205 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], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-12-03 05:34:26,662 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:34:26,662 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:34:28,488 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:34:28,488 INFO L272 AbstractInterpreter]: Visited 150 different actions 1624 times. Merged at 21 different actions 134 times. Widened at 1 different actions 1 times. Performed 59391 root evaluator evaluations with a maximum evaluation depth of 5. Performed 59391 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-03 05:34:28,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:28,491 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:34:28,491 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:34:28,491 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:34:28,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:28,497 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:34:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:28,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:34:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 05:34:28,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:34:28,975 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-03 05:34:28,990 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:34:28,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 11 [2018-12-03 05:34:28,990 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:34:28,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 05:34:28,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 05:34:28,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-03 05:34:28,991 INFO L87 Difference]: Start difference. First operand 2975 states and 3456 transitions. Second operand 9 states. [2018-12-03 05:34:29,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:29,560 INFO L93 Difference]: Finished difference Result 5134 states and 6225 transitions. [2018-12-03 05:34:29,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 05:34:29,560 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-12-03 05:34:29,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:29,565 INFO L225 Difference]: With dead ends: 5134 [2018-12-03 05:34:29,566 INFO L226 Difference]: Without dead ends: 2663 [2018-12-03 05:34:29,569 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 511 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-03 05:34:29,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2018-12-03 05:34:29,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2467. [2018-12-03 05:34:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2018-12-03 05:34:29,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 2829 transitions. [2018-12-03 05:34:29,643 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 2829 transitions. Word has length 257 [2018-12-03 05:34:29,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:29,643 INFO L480 AbstractCegarLoop]: Abstraction has 2467 states and 2829 transitions. [2018-12-03 05:34:29,643 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 05:34:29,643 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2829 transitions. [2018-12-03 05:34:29,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-03 05:34:29,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:34:29,647 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:34:29,648 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:34:29,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:29,648 INFO L82 PathProgramCache]: Analyzing trace with hash -1039145326, now seen corresponding path program 1 times [2018-12-03 05:34:29,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:34:29,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:29,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:29,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:34:29,649 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:34:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-03 05:34:29,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:34:29,772 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:34:29,772 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-12-03 05:34:29,772 INFO L205 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], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [255], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-12-03 05:34:29,774 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:34:29,775 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:34:31,677 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:34:31,677 INFO L272 AbstractInterpreter]: Visited 151 different actions 1828 times. Merged at 24 different actions 151 times. Widened at 1 different actions 1 times. Performed 61010 root evaluator evaluations with a maximum evaluation depth of 5. Performed 61010 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 44 fixpoints after 9 different actions. Largest state had 134 variables. [2018-12-03 05:34:31,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:34:31,678 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:34:31,678 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:34:31,678 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:34:31,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:34:31,685 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:34:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:34:31,777 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:34:31,864 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-03 05:34:31,864 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:34:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-03 05:34:32,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 05:34:32,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 05:34:32,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:34:32,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:34:32,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:34:32,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:34:32,277 INFO L87 Difference]: Start difference. First operand 2467 states and 2829 transitions. Second operand 8 states. [2018-12-03 05:34:32,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:34:32,443 INFO L93 Difference]: Finished difference Result 3562 states and 4103 transitions. [2018-12-03 05:34:32,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:34:32,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2018-12-03 05:34:32,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:34:32,444 INFO L225 Difference]: With dead ends: 3562 [2018-12-03 05:34:32,444 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:34:32,449 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 498 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:34:32,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:34:32,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:34:32,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:34:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:34:32,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2018-12-03 05:34:32,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:34:32,450 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:34:32,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:34:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:34:32,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:34:32,453 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:34:32,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:32,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:34:33,262 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 22 [2018-12-03 05:34:33,448 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2018-12-03 05:34:33,953 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 38 [2018-12-03 05:34:34,436 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 56 [2018-12-03 05:34:34,773 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 38 [2018-12-03 05:34:35,103 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 43 [2018-12-03 05:34:35,216 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2018-12-03 05:34:36,273 WARN L180 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 69 [2018-12-03 05:34:36,483 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 31 [2018-12-03 05:34:36,602 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 22 [2018-12-03 05:34:36,776 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 30 [2018-12-03 05:34:37,560 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 46 [2018-12-03 05:34:37,991 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 38 [2018-12-03 05:34:38,275 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 51 [2018-12-03 05:34:38,278 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 647 653) the Hoare annotation is: true [2018-12-03 05:34:38,278 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 647 653) no Hoare annotation was computed. [2018-12-03 05:34:38,278 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 654 662) no Hoare annotation was computed. [2018-12-03 05:34:38,278 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 654 662) the Hoare annotation is: true [2018-12-03 05:34:38,278 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 654 662) no Hoare annotation was computed. [2018-12-03 05:34:38,278 INFO L444 ceAbstractionStarter]: At program point L129(line 129) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,278 INFO L444 ceAbstractionStarter]: At program point L128(line 128) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,278 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,278 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,278 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-03 05:34:38,278 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-03 05:34:38,278 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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))) [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (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))) [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 435 459) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse3) .cse2 .cse0 .cse4))) [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 435 459) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 435 459) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 613 627) no Hoare annotation was computed. [2018-12-03 05:34:38,279 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 613 627) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not .cse2) .cse3) (or .cse2 .cse3 (and (not .cse0) .cse1)) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 613 627) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 530 538) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 530 538) the Hoare annotation is: true [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 530 538) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 594 612) the Hoare annotation is: true [2018-12-03 05:34:38,280 INFO L451 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 594 612) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 594 612) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 640 646) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 640 646) the Hoare annotation is: true [2018-12-03 05:34:38,280 INFO L444 ceAbstractionStarter]: At program point L113(line 113) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,280 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-03 05:34:38,280 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 519 529) the Hoare annotation is: true [2018-12-03 05:34:38,281 INFO L451 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: true [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 519 529) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 519 529) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 511 518) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 511 518) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 511 518) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse0 .cse5 .cse1) (or .cse3 .cse4 .cse0 .cse5))) [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 461 485) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L444 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or (not .cse2) .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse4))) [2018-12-03 05:34:38,281 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse3)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse2) .cse0 .cse3) (or .cse6 .cse4 .cse0 .cse5)))) [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 461 485) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2018-12-03 05:34:38,281 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 461 485) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse4 .cse2 .cse0 .cse5))) [2018-12-03 05:34:38,281 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse3)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse6 .cse0 .cse2 .cse3) (or .cse6 .cse4 .cse0 .cse5)))) [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 482) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 290) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 280 293) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 280 293) the Hoare annotation is: true [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 280 293) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 401 407) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 401 407) the Hoare annotation is: true [2018-12-03 05:34:38,282 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) .cse0))) [2018-12-03 05:34:38,282 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 305 370) 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) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 357) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L444 ceAbstractionStarter]: At program point L351-1(lines 345 358) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (and .cse5 .cse3 .cse6 .cse0)) (and .cse2 .cse5 .cse3 .cse6 .cse0) (and .cse1 (= ~methaneLevelCritical~0 1) .cse3 .cse0) (and .cse1 .cse4 .cse7 .cse3 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L316(lines 315 362) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 358) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 305 370) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (and (<= 2 ~waterLevel~0) .cse2 (not .cse4) .cse0)) (and .cse1 .cse3 .cse4 .cse2 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 341) no Hoare annotation was computed. [2018-12-03 05:34:38,282 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L444 ceAbstractionStarter]: At program point L360(lines 315 362) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse0) (and (<= 2 ~waterLevel~0) .cse3 (= ~pumpRunning~0 1) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~pumpRunning~0 0) .cse2 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:34:38,283 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point L325-1(lines 325 331) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L444 ceAbstractionStarter]: At program point L363(lines 314 364) 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))) [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 305 370) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 486 493) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 .cse4))) [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 486 493) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 486 493) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 294 302) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 294 302) the Hoare annotation is: true [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 294 302) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~systemActive~0 0))))) [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-12-03 05:34:38,283 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 188) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 166 194) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse8)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3 .cse7) (or .cse6 .cse2 .cse3 .cse7 .cse8) (or .cse4 .cse2 .cse5 (not (= 1 ~pumpRunning~0)) .cse6 .cse3) (or .cse2 .cse0 .cse1 .cse6 .cse3) (or .cse6 .cse3 (not (= ~waterLevel~0 1)) .cse7 .cse2)))) [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse3 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse5 .cse4) (or .cse5 .cse6) (or .cse1 .cse2 .cse6) (or .cse3 .cse0 .cse1 .cse5 .cse4))) [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point L176-1(line 176) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 191) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 166 194) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse8)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3 .cse7) (or .cse6 .cse2 .cse3 .cse7 .cse8) (or .cse4 .cse2 .cse5 (not (= 1 ~pumpRunning~0)) .cse6 .cse3) (or .cse2 .cse0 .cse1 .cse6 .cse3) (or .cse6 .cse3 (not (= ~waterLevel~0 1)) .cse7 .cse2)))) [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 166 194) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 158 165) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~methAndRunningLastTime~0 0)) [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 494 510) no Hoare annotation was computed. [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4))) [2018-12-03 05:34:38,284 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 494 510) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 494 510) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 507) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 575 593) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L451 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L584-2(lines 584 588) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 575 593) the Hoare annotation is: true [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L582-1(line 582) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 575 593) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 227 238) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0))) (let ((.cse0 (< |old(~methaneLevelCritical~0)| 1)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse7 (not (= ~systemActive~0 0))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse9 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not .cse3)) (.cse10 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse11 (= ~methaneLevelCritical~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse5 .cse4 .cse2 .cse6) (or .cse5 .cse7 .cse8 .cse9) (or .cse10 .cse5 .cse7 .cse11 .cse6) (or .cse8 .cse2 .cse6 .cse9) (or .cse11 .cse10 .cse5 .cse2 .cse6) (or (or .cse10 .cse1 .cse2 .cse6) .cse11)))) [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 227 238) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 239 247) the Hoare annotation is: true [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 239 247) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 239 247) no Hoare annotation was computed. [2018-12-03 05:34:38,285 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse9 .cse10 .cse11)) (.cse0 (not .cse6)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (and .cse10 .cse11))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (or .cse5 .cse1 .cse3 .cse6)) (or (or .cse1 .cse2 .cse3) .cse7) (or .cse8 (or .cse5 .cse1 .cse2) .cse9) (or .cse7 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse0 (not (= ~systemActive~0 0))) (or .cse8 .cse0 .cse1 .cse2) (or .cse8 (or .cse5 .cse1 .cse6) .cse4)))) [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point L381(lines 380 399) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 377 400) the Hoare annotation is: (let ((.cse10 (= ~methAndRunningLastTime~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse12 (= |old(~waterLevel~0)| 1)) (.cse6 (not .cse3)) (.cse7 (not (= ~systemActive~0 0))) (.cse11 (and .cse10 .cse14 .cse9)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (< ~methaneLevelCritical~0 1)) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (and .cse14 .cse9))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7 (= ~waterLevel~0 2) .cse8 (not (= |old(~waterLevel~0)| 2))) (or .cse9 .cse6 .cse7) (or .cse5 .cse6 .cse7 .cse10 .cse8) (or .cse11 (or .cse5 .cse1 .cse8)) (or .cse6 .cse7 (not .cse12) (= 1 ~waterLevel~0)) (or .cse13 .cse6 .cse11 .cse1 .cse8) (or (not (= ~waterLevel~0 1)) .cse12 .cse6 .cse7) (or .cse11 .cse1 .cse8 .cse2) (or .cse10 .cse13 (or .cse0 .cse1 .cse8)) (or .cse13 (or .cse0 .cse1 .cse3) .cse4)))) [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 377 400) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 377 400) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse12 .cse7)) (.cse0 (or .cse4 .cse11 .cse5 .cse6)) (.cse14 (and .cse12 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7)) (.cse13 (not .cse6)) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse8 (< 0 |old(~waterLevel~0)|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse11 .cse6))) (and (or .cse0 .cse1) (or .cse1 .cse2) (or (or .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 .cse8 .cse9) (or .cse10 (or .cse3 .cse4 .cse11) .cse12) (or .cse13 (not (= ~systemActive~0 0))) (or .cse10 .cse13 .cse14 .cse4 .cse11) (or .cse14 .cse13 .cse4 .cse11 .cse5) (or .cse10 .cse7 (or .cse3 .cse4 .cse6)) (or .cse8 .cse9 .cse2)))) [2018-12-03 05:34:38,286 INFO L444 ceAbstractionStarter]: At program point L388(lines 388 394) the Hoare annotation is: (let ((.cse21 (= ~systemActive~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse12 (not .cse21)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse19 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= 0 |old(~pumpRunning~0)|))) (let ((.cse10 (< ~methaneLevelCritical~0 1)) (.cse6 (or .cse12 .cse5 .cse19 .cse13)) (.cse18 (and (= 0 ~methaneLevelCritical~0) .cse14 .cse21)) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse15 (and .cse4 .cse20 .cse0)) (.cse16 (and .cse4 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse20)) (.cse9 (= |old(~waterLevel~0)| 1)) (.cse1 (not .cse13)) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (< 0 |old(~waterLevel~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (or .cse3 .cse12 .cse5 .cse13))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse1 .cse2 (not .cse9) (= 1 ~waterLevel~0)) (or .cse10 (or .cse11 .cse12 .cse13) .cse14) (or .cse0 .cse3 .cse1 .cse12 .cse5) (or .cse10 .cse1 .cse15 .cse12 .cse5 .cse16) (or (and .cse4 .cse14) .cse17) (or .cse6 .cse18 (and .cse4 .cse0)) (or .cse3 .cse1 .cse2 (= ~waterLevel~0 2) .cse5 (not (= |old(~waterLevel~0)| 2))) (or .cse18 (or .cse11 .cse12 .cse19 .cse13) .cse0) (or .cse15 .cse1 .cse16 .cse12 .cse5 .cse19) (or (not (= ~waterLevel~0 1)) .cse9 .cse1 .cse2) (or .cse7 .cse8 .cse17))))) [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-03 05:34:38,286 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-03 05:34:38,286 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-03 05:34:38,286 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-03 05:34:38,287 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 203 214) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) (or .cse5 .cse1 .cse3) .cse0) (or .cse0 (or .cse5 .cse4 .cse3))))) [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 203 214) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 203 214) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 05:34:38,287 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 409 433) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse3) .cse2 .cse0 .cse4))) [2018-12-03 05:34:38,287 INFO L444 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 430) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 409 433) no Hoare annotation was computed. [2018-12-03 05:34:38,287 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-12-03 05:34:38,287 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2018-12-03 05:34:38,288 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse2)) (.cse7 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse0 .cse6) (or .cse7 .cse0 .cse6 .cse1) (or .cse3 .cse4 .cse7 .cse0 .cse6) (or .cse5 .cse0 .cse6 .cse1)))) [2018-12-03 05:34:38,288 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse4 .cse0 .cse3))) [2018-12-03 05:34:38,288 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 215 226) no Hoare annotation was computed. [2018-12-03 05:34:38,288 INFO L448 ceAbstractionStarter]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2018-12-03 05:34:38,288 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 215 226) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0)))) (and (or (= ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse4 (or .cse2 .cse5 .cse1)) (or .cse3 .cse4 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse5) (or .cse4 (or (or .cse5 (not (= ~methaneLevelCritical~0 0))) .cse1)) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-12-03 05:34:38,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2018-12-03 05:34:38,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-12-03 05:34:38,288 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 146 153) the Hoare annotation is: true [2018-12-03 05:34:38,288 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2018-12-03 05:34:38,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:34:38 BoogieIcfgContainer [2018-12-03 05:34:38,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:34:38,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:34:38,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:34:38,299 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:34:38,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:34:02" (3/4) ... [2018-12-03 05:34:38,302 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 05:34:38,306 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 05:34:38,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 05:34:38,311 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-03 05:34:38,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 05:34:38,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 05:34:38,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 05:34:38,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 05:34:38,312 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 05:34:38,332 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(systemActive) == 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:34:38,332 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:34:38,362 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e07e456-5553-4421-9dcb-862c912bc686/bin-2019/utaipan/witness.graphml [2018-12-03 05:34:38,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:34:38,362 INFO L168 Benchmark]: Toolchain (without parser) took 36990.96 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 947.0 MB in the beginning and 664.6 MB in the end (delta: 282.4 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: RCFGBuilder took 336.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: TraceAbstraction took 36262.47 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 664.7 MB in the end (delta: 344.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-03 05:34:38,363 INFO L168 Benchmark]: Witness Printer took 63.61 ms. Allocated memory is still 2.6 GB. Free memory was 664.7 MB in the beginning and 664.6 MB in the end (delta: 98.3 kB). Peak memory consumption was 98.3 kB. Max. memory is 11.5 GB. [2018-12-03 05:34:38,365 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 83.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -117.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 336.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.1 MB). Peak memory consumption was 55.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36262.47 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 664.7 MB in the end (delta: 344.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. * Witness Printer took 63.61 ms. Allocated memory is still 2.6 GB. Free memory was 664.7 MB in the beginning and 664.6 MB in the end (delta: 98.3 kB). Peak memory consumption was 98.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: 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: 314]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((!(\old(systemActive) == 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 174 locations, 1 error locations. SAFE Result, 36.2s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 21.8s AutomataDifference, 0.0s DeadEndRemovalTime, 5.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3318 SDtfs, 4322 SDslu, 13182 SDs, 0 SdLazy, 6324 SolverSat, 2420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.9s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1542 GetRequests, 1280 SyntacticMatches, 16 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5416 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2975occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.8s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964523875438346 AbsIntWeakeningRatio, 0.864406779661017 AbsIntAvgWeakeningVarsNumRemoved, 94.34237288135593 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 572 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 6439 PreInvPairs, 6710 NumberOfFragments, 3689 HoareAnnotationTreeSize, 6439 FomulaSimplifications, 15379 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 73 FomulaSimplificationsInter, 43036 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2109 NumberOfCodeBlocks, 2109 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2606 ConstructedInterpolants, 0 QuantifiedInterpolants, 733836 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2282 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1116/1220 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...