./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_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_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/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 d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:49:20,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:49:20,826 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:49:20,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:49:20,832 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:49:20,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:49:20,833 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:49:20,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:49:20,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:49:20,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:49:20,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:49:20,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:49:20,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:49:20,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:49:20,837 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:49:20,837 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:49:20,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:49:20,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:49:20,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:49:20,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:49:20,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:49:20,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:49:20,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:49:20,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:49:20,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:49:20,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:49:20,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:49:20,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:49:20,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:49:20,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:49:20,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:49:20,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:49:20,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:49:20,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:49:20,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:49:20,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:49:20,846 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:49:20,853 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:49:20,853 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:49:20,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:49:20,853 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:49:20,853 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:49:20,854 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:49:20,854 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:49:20,854 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:49:20,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:49:20,855 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:49:20,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:49:20,856 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:49:20,857 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_cb95ed33-c43b-41a8-bbcb-10b561f75b03/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 -> d3b2c25dcf3994b536a04bc5bf3e1c9a29f5c50b [2018-12-03 03:49:20,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:49:20,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:49:20,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:49:20,882 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:49:20,883 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:49:20,883 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-12-03 03:49:20,919 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/data/2c7411d8f/2a92954823354100bd83ff015655b11c/FLAG06f776867 [2018-12-03 03:49:21,322 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:49:21,323 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/sv-benchmarks/c/product-lines/minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-12-03 03:49:21,329 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/data/2c7411d8f/2a92954823354100bd83ff015655b11c/FLAG06f776867 [2018-12-03 03:49:21,337 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/data/2c7411d8f/2a92954823354100bd83ff015655b11c [2018-12-03 03:49:21,339 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:49:21,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:49:21,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:49:21,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:49:21,342 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:49:21,343 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,344 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21, skipping insertion in model container [2018-12-03 03:49:21,344 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,348 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:49:21,369 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:49:21,519 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:49:21,567 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:49:21,611 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:49:21,627 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:49:21,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21 WrapperNode [2018-12-03 03:49:21,627 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:49:21,628 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:49:21,628 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:49:21,628 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:49:21,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:49:21,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:49:21,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:49:21,649 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:49:21,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... [2018-12-03 03:49:21,672 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:49:21,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:49:21,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:49:21,672 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:49:21,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/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 03:49:21,713 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 03:49:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 03:49:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:49:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:49:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 03:49:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 03:49:21,714 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 03:49:21,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 03:49:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 03:49:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 03:49:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 03:49:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 03:49:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 03:49:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 03:49:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 03:49:21,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 03:49:21,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 03:49:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 03:49:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 03:49:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 03:49:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 03:49:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 03:49:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 03:49:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 03:49:21,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 03:49:21,716 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 03:49:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 03:49:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 03:49:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 03:49:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 03:49:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 03:49:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 03:49:21,717 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 03:49:21,717 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 03:49:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 03:49:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 03:49:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 03:49:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 03:49:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 03:49:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 03:49:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 03:49:21,718 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 03:49:21,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 03:49:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:49:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:49:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 03:49:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 03:49:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 03:49:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 03:49:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 03:49:21,719 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 03:49:21,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 03:49:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 03:49:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 03:49:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 03:49:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 03:49:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:49:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:49:21,720 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 03:49:21,720 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 03:49:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 03:49:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 03:49:21,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:49:21,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:49:22,047 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:49:22,047 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 03:49:22,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:22 BoogieIcfgContainer [2018-12-03 03:49:22,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:49:22,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:49:22,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:49:22,051 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:49:22,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:49:21" (1/3) ... [2018-12-03 03:49:22,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df31816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:49:22, skipping insertion in model container [2018-12-03 03:49:22,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:49:21" (2/3) ... [2018-12-03 03:49:22,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1df31816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:49:22, skipping insertion in model container [2018-12-03 03:49:22,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:22" (3/3) ... [2018-12-03 03:49:22,054 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product55_true-unreach-call_false-termination.cil.c [2018-12-03 03:49:22,062 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:49:22,068 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:49:22,082 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:49:22,109 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:49:22,109 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:49:22,109 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:49:22,109 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:49:22,110 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:49:22,110 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:49:22,110 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:49:22,110 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:49:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states. [2018-12-03 03:49:22,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 03:49:22,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:22,135 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 03:49:22,137 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:22,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:22,142 INFO L82 PathProgramCache]: Analyzing trace with hash 2089715448, now seen corresponding path program 1 times [2018-12-03 03:49:22,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:22,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:22,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,172 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:22,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:22,308 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 03:49:22,309 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:22,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 03:49:22,310 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:22,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 03:49:22,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 03:49:22,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:49:22,326 INFO L87 Difference]: Start difference. First operand 167 states. Second operand 2 states. [2018-12-03 03:49:22,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:22,350 INFO L93 Difference]: Finished difference Result 304 states and 381 transitions. [2018-12-03 03:49:22,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 03:49:22,351 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 03:49:22,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:22,359 INFO L225 Difference]: With dead ends: 304 [2018-12-03 03:49:22,359 INFO L226 Difference]: Without dead ends: 154 [2018-12-03 03:49:22,361 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 03:49:22,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-12-03 03:49:22,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-12-03 03:49:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-12-03 03:49:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 184 transitions. [2018-12-03 03:49:22,394 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 184 transitions. Word has length 51 [2018-12-03 03:49:22,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:22,394 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 184 transitions. [2018-12-03 03:49:22,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 03:49:22,394 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 184 transitions. [2018-12-03 03:49:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 03:49:22,396 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:22,396 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 03:49:22,397 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:22,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:22,397 INFO L82 PathProgramCache]: Analyzing trace with hash 376815419, now seen corresponding path program 1 times [2018-12-03 03:49:22,397 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:22,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:22,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,398 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:22,447 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 03:49:22,447 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:22,447 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:49:22,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:22,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:49:22,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:49:22,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:49:22,449 INFO L87 Difference]: Start difference. First operand 154 states and 184 transitions. Second operand 3 states. [2018-12-03 03:49:22,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:22,463 INFO L93 Difference]: Finished difference Result 247 states and 295 transitions. [2018-12-03 03:49:22,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:49:22,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 03:49:22,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:22,464 INFO L225 Difference]: With dead ends: 247 [2018-12-03 03:49:22,464 INFO L226 Difference]: Without dead ends: 145 [2018-12-03 03:49:22,465 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 03:49:22,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-03 03:49:22,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-03 03:49:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-03 03:49:22,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 172 transitions. [2018-12-03 03:49:22,473 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 172 transitions. Word has length 52 [2018-12-03 03:49:22,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:22,474 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 172 transitions. [2018-12-03 03:49:22,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:49:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2018-12-03 03:49:22,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-03 03:49:22,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:22,475 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 03:49:22,475 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:22,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:22,475 INFO L82 PathProgramCache]: Analyzing trace with hash 2083474303, now seen corresponding path program 1 times [2018-12-03 03:49:22,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:22,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:22,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,476 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:22,551 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 03:49:22,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:22,551 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 03:49:22,552 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:22,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:49:22,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:49:22,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:49:22,553 INFO L87 Difference]: Start difference. First operand 145 states and 172 transitions. Second operand 7 states. [2018-12-03 03:49:22,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:22,862 INFO L93 Difference]: Finished difference Result 430 states and 528 transitions. [2018-12-03 03:49:22,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:49:22,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-03 03:49:22,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:22,864 INFO L225 Difference]: With dead ends: 430 [2018-12-03 03:49:22,865 INFO L226 Difference]: Without dead ends: 313 [2018-12-03 03:49:22,865 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 03:49:22,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-12-03 03:49:22,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 305. [2018-12-03 03:49:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-12-03 03:49:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 374 transitions. [2018-12-03 03:49:22,888 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 374 transitions. Word has length 56 [2018-12-03 03:49:22,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:22,888 INFO L480 AbstractCegarLoop]: Abstraction has 305 states and 374 transitions. [2018-12-03 03:49:22,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:49:22,888 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 374 transitions. [2018-12-03 03:49:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 03:49:22,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:22,890 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 03:49:22,890 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:22,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:22,890 INFO L82 PathProgramCache]: Analyzing trace with hash -139237271, now seen corresponding path program 1 times [2018-12-03 03:49:22,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:22,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:22,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:22,891 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:22,947 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 03:49:22,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:22,948 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:49:22,948 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:22,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:49:22,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:49:22,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:49:22,949 INFO L87 Difference]: Start difference. First operand 305 states and 374 transitions. Second operand 6 states. [2018-12-03 03:49:23,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:23,102 INFO L93 Difference]: Finished difference Result 841 states and 1056 transitions. [2018-12-03 03:49:23,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 03:49:23,102 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-03 03:49:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:23,104 INFO L225 Difference]: With dead ends: 841 [2018-12-03 03:49:23,104 INFO L226 Difference]: Without dead ends: 564 [2018-12-03 03:49:23,106 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 03:49:23,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-12-03 03:49:23,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 558. [2018-12-03 03:49:23,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-03 03:49:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 688 transitions. [2018-12-03 03:49:23,142 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 688 transitions. Word has length 62 [2018-12-03 03:49:23,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:23,142 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 688 transitions. [2018-12-03 03:49:23,142 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:49:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 688 transitions. [2018-12-03 03:49:23,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-03 03:49:23,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:23,144 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 03:49:23,145 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:23,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:23,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1489152805, now seen corresponding path program 1 times [2018-12-03 03:49:23,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:23,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:23,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:23,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:23,207 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 03:49:23,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:23,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 03:49:23,207 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:23,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:49:23,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:49:23,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:49:23,208 INFO L87 Difference]: Start difference. First operand 558 states and 688 transitions. Second operand 7 states. [2018-12-03 03:49:23,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:23,568 INFO L93 Difference]: Finished difference Result 1437 states and 1898 transitions. [2018-12-03 03:49:23,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 03:49:23,569 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-03 03:49:23,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:23,573 INFO L225 Difference]: With dead ends: 1437 [2018-12-03 03:49:23,573 INFO L226 Difference]: Without dead ends: 907 [2018-12-03 03:49:23,575 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 03:49:23,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-12-03 03:49:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 811. [2018-12-03 03:49:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-03 03:49:23,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 991 transitions. [2018-12-03 03:49:23,620 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 991 transitions. Word has length 66 [2018-12-03 03:49:23,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:23,621 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 991 transitions. [2018-12-03 03:49:23,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:49:23,621 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 991 transitions. [2018-12-03 03:49:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-03 03:49:23,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:23,623 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:49:23,623 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:23,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:23,623 INFO L82 PathProgramCache]: Analyzing trace with hash 344345668, now seen corresponding path program 1 times [2018-12-03 03:49:23,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:23,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,624 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:23,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,624 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:23,681 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 03:49:23,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:23,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:49:23,681 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:23,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:49:23,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:49:23,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:49:23,682 INFO L87 Difference]: Start difference. First operand 811 states and 991 transitions. Second operand 6 states. [2018-12-03 03:49:23,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:23,734 INFO L93 Difference]: Finished difference Result 1614 states and 2012 transitions. [2018-12-03 03:49:23,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 03:49:23,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-03 03:49:23,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:23,736 INFO L225 Difference]: With dead ends: 1614 [2018-12-03 03:49:23,737 INFO L226 Difference]: Without dead ends: 831 [2018-12-03 03:49:23,738 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 03:49:23,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 831 states. [2018-12-03 03:49:23,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 831 to 831. [2018-12-03 03:49:23,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 831 states. [2018-12-03 03:49:23,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 831 states and 1011 transitions. [2018-12-03 03:49:23,764 INFO L78 Accepts]: Start accepts. Automaton has 831 states and 1011 transitions. Word has length 93 [2018-12-03 03:49:23,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:23,765 INFO L480 AbstractCegarLoop]: Abstraction has 831 states and 1011 transitions. [2018-12-03 03:49:23,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:49:23,765 INFO L276 IsEmpty]: Start isEmpty. Operand 831 states and 1011 transitions. [2018-12-03 03:49:23,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-03 03:49:23,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:23,766 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:49:23,766 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:23,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:23,767 INFO L82 PathProgramCache]: Analyzing trace with hash 271959110, now seen corresponding path program 1 times [2018-12-03 03:49:23,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:23,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:23,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,767 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:23,827 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 03:49:23,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:23,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 03:49:23,827 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:23,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 03:49:23,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 03:49:23,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 03:49:23,828 INFO L87 Difference]: Start difference. First operand 831 states and 1011 transitions. Second operand 8 states. [2018-12-03 03:49:23,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:23,863 INFO L93 Difference]: Finished difference Result 1662 states and 2098 transitions. [2018-12-03 03:49:23,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 03:49:23,863 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-03 03:49:23,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:23,865 INFO L225 Difference]: With dead ends: 1662 [2018-12-03 03:49:23,865 INFO L226 Difference]: Without dead ends: 859 [2018-12-03 03:49:23,867 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 03:49:23,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2018-12-03 03:49:23,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 847. [2018-12-03 03:49:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 847 states. [2018-12-03 03:49:23,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1027 transitions. [2018-12-03 03:49:23,893 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1027 transitions. Word has length 93 [2018-12-03 03:49:23,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:23,893 INFO L480 AbstractCegarLoop]: Abstraction has 847 states and 1027 transitions. [2018-12-03 03:49:23,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 03:49:23,893 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1027 transitions. [2018-12-03 03:49:23,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-03 03:49:23,894 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:23,895 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:49:23,895 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:23,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:23,895 INFO L82 PathProgramCache]: Analyzing trace with hash 601724871, now seen corresponding path program 1 times [2018-12-03 03:49:23,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:23,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:23,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:23,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:23,947 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 03:49:23,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:23,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 03:49:23,947 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:23,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 03:49:23,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 03:49:23,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 03:49:23,948 INFO L87 Difference]: Start difference. First operand 847 states and 1027 transitions. Second operand 4 states. [2018-12-03 03:49:24,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:24,135 INFO L93 Difference]: Finished difference Result 2733 states and 3478 transitions. [2018-12-03 03:49:24,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 03:49:24,136 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-03 03:49:24,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:24,142 INFO L225 Difference]: With dead ends: 2733 [2018-12-03 03:49:24,142 INFO L226 Difference]: Without dead ends: 1914 [2018-12-03 03:49:24,144 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 03:49:24,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2018-12-03 03:49:24,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1883. [2018-12-03 03:49:24,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1883 states. [2018-12-03 03:49:24,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1883 states to 1883 states and 2343 transitions. [2018-12-03 03:49:24,211 INFO L78 Accepts]: Start accepts. Automaton has 1883 states and 2343 transitions. Word has length 93 [2018-12-03 03:49:24,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:24,212 INFO L480 AbstractCegarLoop]: Abstraction has 1883 states and 2343 transitions. [2018-12-03 03:49:24,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 03:49:24,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 2343 transitions. [2018-12-03 03:49:24,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-03 03:49:24,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:24,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:49:24,214 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:24,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:24,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1855468717, now seen corresponding path program 1 times [2018-12-03 03:49:24,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:24,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:24,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:24,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:24,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:24,243 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 03:49:24,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:49:24,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 03:49:24,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:24,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:49:24,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:49:24,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 03:49:24,244 INFO L87 Difference]: Start difference. First operand 1883 states and 2343 transitions. Second operand 3 states. [2018-12-03 03:49:24,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:24,311 INFO L93 Difference]: Finished difference Result 3058 states and 3917 transitions. [2018-12-03 03:49:24,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:49:24,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-12-03 03:49:24,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:24,319 INFO L225 Difference]: With dead ends: 3058 [2018-12-03 03:49:24,319 INFO L226 Difference]: Without dead ends: 3055 [2018-12-03 03:49:24,321 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 03:49:24,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3055 states. [2018-12-03 03:49:24,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3055 to 2895. [2018-12-03 03:49:24,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2895 states. [2018-12-03 03:49:24,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3721 transitions. [2018-12-03 03:49:24,417 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3721 transitions. Word has length 97 [2018-12-03 03:49:24,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:24,418 INFO L480 AbstractCegarLoop]: Abstraction has 2895 states and 3721 transitions. [2018-12-03 03:49:24,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:49:24,418 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3721 transitions. [2018-12-03 03:49:24,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-03 03:49:24,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:24,424 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 03:49:24,424 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:24,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:24,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1575330851, now seen corresponding path program 1 times [2018-12-03 03:49:24,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:24,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:24,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:24,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:24,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 03:49:24,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:24,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:49:24,487 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-03 03:49:24,488 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [101], [104], [107], [109], [112], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [207], [210], [214], [220], [221], [222], [227], [229], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [296], [297], [298], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [332], [333], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-12-03 03:49:24,515 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:49:24,515 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:49:25,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:49:25,343 INFO L272 AbstractInterpreter]: Visited 108 different actions 362 times. Merged at 14 different actions 21 times. Never widened. Performed 14438 root evaluator evaluations with a maximum evaluation depth of 3. Performed 14438 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 134 variables. [2018-12-03 03:49:25,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:25,349 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:49:25,349 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:25,349 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/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 03:49:25,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:25,358 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:49:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:25,448 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:49:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-03 03:49:25,489 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:49:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-03 03:49:25,677 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:49:25,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-12-03 03:49:25,677 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:25,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:49:25,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:49:25,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:49:25,678 INFO L87 Difference]: Start difference. First operand 2895 states and 3721 transitions. Second operand 3 states. [2018-12-03 03:49:25,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:25,796 INFO L93 Difference]: Finished difference Result 6187 states and 8216 transitions. [2018-12-03 03:49:25,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:49:25,796 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-12-03 03:49:25,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:25,805 INFO L225 Difference]: With dead ends: 6187 [2018-12-03 03:49:25,806 INFO L226 Difference]: Without dead ends: 3656 [2018-12-03 03:49:25,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 329 SyntacticMatches, 6 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:49:25,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3656 states. [2018-12-03 03:49:25,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3656 to 3617. [2018-12-03 03:49:25,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3617 states. [2018-12-03 03:49:25,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3617 states to 3617 states and 4576 transitions. [2018-12-03 03:49:25,945 INFO L78 Accepts]: Start accepts. Automaton has 3617 states and 4576 transitions. Word has length 168 [2018-12-03 03:49:25,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:25,945 INFO L480 AbstractCegarLoop]: Abstraction has 3617 states and 4576 transitions. [2018-12-03 03:49:25,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:49:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 3617 states and 4576 transitions. [2018-12-03 03:49:25,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-03 03:49:25,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:25,952 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 03:49:25,953 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:25,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:25,953 INFO L82 PathProgramCache]: Analyzing trace with hash 783475155, now seen corresponding path program 1 times [2018-12-03 03:49:25,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:25,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:25,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:25,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:25,954 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:26,038 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 03:49:26,038 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:26,038 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:49:26,038 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-03 03:49:26,038 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [210], [214], [220], [221], [222], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [296], [297], [298], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-12-03 03:49:26,040 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:49:26,041 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:49:26,826 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:49:26,826 INFO L272 AbstractInterpreter]: Visited 104 different actions 432 times. Merged at 13 different actions 37 times. Never widened. Performed 22487 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 4 different actions. Largest state had 134 variables. [2018-12-03 03:49:26,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:26,827 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:49:26,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:26,827 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/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 03:49:26,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:26,834 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:49:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:26,918 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:49:26,952 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:49:26,952 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:49:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 03:49:27,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 03:49:27,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-03 03:49:27,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:27,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:49:27,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:49:27,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 03:49:27,163 INFO L87 Difference]: Start difference. First operand 3617 states and 4576 transitions. Second operand 3 states. [2018-12-03 03:49:27,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:27,292 INFO L93 Difference]: Finished difference Result 6613 states and 8467 transitions. [2018-12-03 03:49:27,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:49:27,292 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-03 03:49:27,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:27,308 INFO L225 Difference]: With dead ends: 6613 [2018-12-03 03:49:27,308 INFO L226 Difference]: Without dead ends: 3360 [2018-12-03 03:49:27,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 320 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 03:49:27,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3360 states. [2018-12-03 03:49:27,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3360 to 2896. [2018-12-03 03:49:27,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2896 states. [2018-12-03 03:49:27,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2896 states to 2896 states and 3420 transitions. [2018-12-03 03:49:27,436 INFO L78 Accepts]: Start accepts. Automaton has 2896 states and 3420 transitions. Word has length 160 [2018-12-03 03:49:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:27,436 INFO L480 AbstractCegarLoop]: Abstraction has 2896 states and 3420 transitions. [2018-12-03 03:49:27,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:49:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3420 transitions. [2018-12-03 03:49:27,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-03 03:49:27,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:27,442 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 03:49:27,442 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:27,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:27,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1793483308, now seen corresponding path program 1 times [2018-12-03 03:49:27,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:27,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:27,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:27,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:27,443 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:27,536 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-03 03:49:27,536 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:27,537 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:49:27,537 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-03 03:49:27,537 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [20], [25], [26], [27], [28], [40], [48], [49], [50], [65], [68], [69], [73], [74], [76], [85], [89], [93], [96], [101], [104], [107], [109], [112], [114], [117], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [210], [214], [220], [221], [222], [230], [234], [237], [239], [242], [252], [255], [259], [260], [263], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [320], [321], [322], [323], [324], [326], [327], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [356], [357] [2018-12-03 03:49:27,539 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:49:27,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:49:28,099 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:49:28,099 INFO L272 AbstractInterpreter]: Visited 114 different actions 411 times. Merged at 15 different actions 40 times. Never widened. Performed 17280 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17280 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-03 03:49:28,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:28,106 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:49:28,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:28,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:49:28,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:28,115 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:49:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:28,214 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:49:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-03 03:49:28,227 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:49:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2018-12-03 03:49:28,343 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 03:49:28,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-12-03 03:49:28,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:28,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 03:49:28,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 03:49:28,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:49:28,344 INFO L87 Difference]: Start difference. First operand 2896 states and 3420 transitions. Second operand 3 states. [2018-12-03 03:49:28,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:28,393 INFO L93 Difference]: Finished difference Result 3282 states and 3892 transitions. [2018-12-03 03:49:28,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 03:49:28,393 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2018-12-03 03:49:28,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:28,396 INFO L225 Difference]: With dead ends: 3282 [2018-12-03 03:49:28,396 INFO L226 Difference]: Without dead ends: 1217 [2018-12-03 03:49:28,399 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 352 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:49:28,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1217 states. [2018-12-03 03:49:28,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1217 to 1176. [2018-12-03 03:49:28,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2018-12-03 03:49:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1348 transitions. [2018-12-03 03:49:28,435 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1348 transitions. Word has length 174 [2018-12-03 03:49:28,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:28,436 INFO L480 AbstractCegarLoop]: Abstraction has 1176 states and 1348 transitions. [2018-12-03 03:49:28,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 03:49:28,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1348 transitions. [2018-12-03 03:49:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-03 03:49:28,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:49:28,438 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:28,438 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:49:28,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:28,438 INFO L82 PathProgramCache]: Analyzing trace with hash 1276632465, now seen corresponding path program 1 times [2018-12-03 03:49:28,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:49:28,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:28,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:28,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:49:28,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:49:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:28,543 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 03:49:28,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:28,543 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 03:49:28,543 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 174 with the following transitions: [2018-12-03 03:49:28,544 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [53], [55], [61], [65], [68], [69], [73], [74], [75], [76], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [132], [135], [137], [140], [143], [146], [154], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [176], [178], [207], [210], [214], [220], [221], [222], [225], [229], [230], [234], [237], [239], [242], [249], [252], [255], [259], [260], [263], [266], [268], [274], [278], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [294], [295], [296], [297], [298], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [316], [317], [320], [321], [322], [323], [324], [326], [327], [332], [333], [334], [335], [336], [337], [338], [339], [340], [342], [343], [344], [345], [348], [349], [350], [351], [354], [355], [356], [357] [2018-12-03 03:49:28,545 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 03:49:28,545 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 03:49:29,713 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 03:49:29,713 INFO L272 AbstractInterpreter]: Visited 141 different actions 956 times. Merged at 20 different actions 76 times. Never widened. Performed 36303 root evaluator evaluations with a maximum evaluation depth of 5. Performed 36303 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 6 different actions. Largest state had 134 variables. [2018-12-03 03:49:29,715 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:49:29,715 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 03:49:29,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 03:49:29,715 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 03:49:29,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:49:29,721 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 03:49:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:49:29,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:49:29,894 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 03:49:29,894 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 03:49:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-03 03:49:30,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 03:49:30,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 03:49:30,149 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:49:30,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 03:49:30,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 03:49:30,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 03:49:30,150 INFO L87 Difference]: Start difference. First operand 1176 states and 1348 transitions. Second operand 8 states. [2018-12-03 03:49:30,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:49:30,294 INFO L93 Difference]: Finished difference Result 2098 states and 2417 transitions. [2018-12-03 03:49:30,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 03:49:30,295 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 173 [2018-12-03 03:49:30,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:49:30,295 INFO L225 Difference]: With dead ends: 2098 [2018-12-03 03:49:30,295 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:49:30,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 331 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 03:49:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:49:30,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:49:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:49:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:49:30,300 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-12-03 03:49:30,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:49:30,300 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:49:30,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 03:49:30,300 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:49:30,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:49:30,304 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:49:30,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:30,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 03:49:31,140 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 55 [2018-12-03 03:49:31,556 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 33 [2018-12-03 03:49:31,904 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2018-12-03 03:49:32,243 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 30 [2018-12-03 03:49:32,544 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 39 [2018-12-03 03:49:33,283 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2018-12-03 03:49:33,904 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 32 [2018-12-03 03:49:34,161 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 42 [2018-12-03 03:49:34,167 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-03 03:49:34,168 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-03 03:49:34,168 INFO L444 ceAbstractionStarter]: At program point L993(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,168 INFO L444 ceAbstractionStarter]: At program point L993-1(line 993) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point L991(lines 991 998) no Hoare annotation was computed. [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point L991-1(lines 991 998) no Hoare annotation was computed. [2018-12-03 03:49:34,168 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 981 1003) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point L989(line 989) no Hoare annotation was computed. [2018-12-03 03:49:34,168 INFO L444 ceAbstractionStarter]: At program point L988(line 988) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,168 INFO L444 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,168 INFO L444 ceAbstractionStarter]: At program point L987-1(line 987) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,168 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 981 1003) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 981 1003) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 486 500) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L444 ceAbstractionStarter]: At program point L492(line 492) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methAndRunningLastTime~0 0))) (or .cse0 (and (not (= ~systemActive~0 0)) .cse1) (or (= ~waterLevel~0 1) (= |old(~systemActive~0)| 0))) (or .cse0 (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 496) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 486 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~systemActive~0)| 0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or (not .cse3) .cse0 (= 0 ~systemActive~0) .cse1) (or .cse4 (and (not (= ~systemActive~0 0)) .cse2) (or (= ~waterLevel~0 1) .cse3)) (or .cse4 (and (= ~systemActive~0 1) .cse2) (not (= |old(~systemActive~0)| 1))))) [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 486 500) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 403 411) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 403 411) the Hoare annotation is: true [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 403 411) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 480) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L451 ceAbstractionStarter]: At program point L474(line 474) the Hoare annotation is: true [2018-12-03 03:49:34,169 INFO L448 ceAbstractionStarter]: For program point L476-2(lines 476 480) no Hoare annotation was computed. [2018-12-03 03:49:34,169 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 467 485) the Hoare annotation is: true [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point L474-1(line 474) no Hoare annotation was computed. [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 467 485) no Hoare annotation was computed. [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 467 485) no Hoare annotation was computed. [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-03 03:49:34,170 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-03 03:49:34,170 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 970 980) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,170 INFO L444 ceAbstractionStarter]: At program point L975(line 975) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 970 980) no Hoare annotation was computed. [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 970 980) no Hoare annotation was computed. [2018-12-03 03:49:34,170 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 392 402) the Hoare annotation is: true [2018-12-03 03:49:34,170 INFO L451 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: true [2018-12-03 03:49:34,170 INFO L448 ceAbstractionStarter]: For program point L397-1(line 397) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 392 402) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 392 402) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 384 391) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 .cse1 (or (= ~waterLevel~0 1) (= ~systemActive~0 0))))) [2018-12-03 03:49:34,171 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 384 391) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 384 391) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 351 375) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 351 375) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse5 .cse2 .cse4) .cse1))) [2018-12-03 03:49:34,171 INFO L444 ceAbstractionStarter]: At program point L370(line 370) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse1) (or .cse6 .cse2 .cse4) (or .cse6 .cse5 .cse2))) [2018-12-03 03:49:34,171 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 351 375) no Hoare annotation was computed. [2018-12-03 03:49:34,171 INFO L444 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1))) [2018-12-03 03:49:34,172 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 .cse0 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3) .cse5) .cse4 .cse6 .cse1))) [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 367) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 .cse4 .cse3 .cse5))) [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 372) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 291 297) no Hoare annotation was computed. [2018-12-03 03:49:34,172 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 291 297) the Hoare annotation is: true [2018-12-03 03:49:34,172 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 192 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,173 INFO L444 ceAbstractionStarter]: At program point L250(lines 201 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 192 257) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~systemActive~0)| 1)) (and .cse1 (not (= ~systemActive~0 0)) (not (= ~waterLevel~0 1)) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (= ~systemActive~0 1) .cse0))) [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L444 ceAbstractionStarter]: At program point L238-1(lines 232 245) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 (= 0 ~systemActive~0)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L203(lines 202 249) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 245) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 228) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 222 228) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L444 ceAbstractionStarter]: At program point L247(lines 202 249) the Hoare annotation is: (let ((.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse2 .cse4 .cse3) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 03:49:34,173 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 (= 0 ~systemActive~0)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 218) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L212-1(lines 212 218) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point L204(lines 204 208) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 192 257) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-12-03 03:49:34,173 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~systemActive~0 0))))) [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 897) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point L890(lines 890 900) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 1))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~systemActive~0 0))) (.cse7 (not .cse2)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 .cse7 .cse4) (or .cse6 .cse3 .cse8) (or .cse9 (or .cse6 .cse8)) (or .cse5 .cse6 .cse9 .cse7 .cse4) (or .cse0 .cse3 .cse8)))) [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 903) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point L886-1(lines 878 906) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L444 ceAbstractionStarter]: At program point L884(line 884) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point L884-1(line 884) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 878 906) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse0 (not (= ~systemActive~0 0)) .cse3 .cse4)))) [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 878 906) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 870 877) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 870 877) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 870 877) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:49:34,174 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 376 383) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 376 383) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 376 383) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse3 .cse2 .cse4))) [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 448 466) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 461) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point L455(line 455) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L457-2(lines 457 461) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L455-1(line 455) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 448 466) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 448 466) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse5 (< ~pumpRunning~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse2 .cse3 .cse4)) (or .cse6 .cse0 .cse2 .cse3 .cse7) (or .cse6 .cse7 (or .cse5 .cse2)) (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse3 .cse4))) [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 909 938) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 909 938) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point L923-1(lines 923 927) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L920(line 920) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point L919-2(lines 919 933) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point L915(line 915) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L915-1(line 915) no Hoare annotation was computed. [2018-12-03 03:49:34,175 INFO L451 ceAbstractionStarter]: At program point L934(lines 909 938) the Hoare annotation is: true [2018-12-03 03:49:34,175 INFO L448 ceAbstractionStarter]: For program point L930(line 930) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse10 (not (= ~waterLevel~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse9)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse13 (<= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse0 .cse1 .cse3 .cse5 (and .cse8 .cse6)) (or .cse0 .cse9 .cse1 .cse3 .cse10 .cse5) (or .cse9 .cse1 (and .cse10 .cse8 .cse6) .cse3 .cse5 .cse11) (or .cse7 .cse12 .cse0 .cse3 .cse5 .cse13) (or .cse1 (and .cse2 .cse8 .cse6) .cse3 .cse4 .cse5 .cse11) (or .cse12 .cse0 .cse1 .cse3 .cse5 .cse13) (or .cse6 (or .cse7 .cse3 .cse11)) (or .cse0 .cse8 (or .cse7 .cse3 .cse5)) (or .cse13 (or .cse7 .cse12 .cse3 .cse11)) (or .cse12 .cse1 .cse13 .cse3 .cse5 .cse11) (or .cse1 (not (= ~systemActive~0 0)))))) [2018-12-03 03:49:34,176 INFO L444 ceAbstractionStarter]: At program point L278(lines 278 284) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= ~waterLevel~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (<= 1 ~pumpRunning~0)) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse14 (and .cse13 .cse7)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (< |old(~pumpRunning~0)| 1)) (.cse15 (= 0 ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (and (= 1 ~waterLevel~0) .cse6)) (.cse8 (not (= ~systemActive~0 1))) (.cse17 (not .cse0)) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 (and .cse5 .cse3 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse3 .cse8 .cse9 .cse10) (or .cse11 .cse12 .cse4 .cse8 .cse9 .cse13) (or .cse2 (or .cse12 .cse1) .cse13) (or .cse1 .cse7 .cse8 .cse9 .cse10 (and .cse5 .cse3)) (or .cse1 .cse2 .cse7) (or .cse12 .cse1 .cse8 .cse14 .cse9 .cse10) (or .cse13 (or .cse11 .cse12 .cse8 .cse10)) (or .cse7 .cse15 (or .cse11 .cse8 .cse10)) (or .cse12 .cse4 .cse1 .cse14 .cse8 .cse9) (or .cse16 .cse1 .cse2 .cse17 .cse9) (or .cse4 (or .cse11 .cse8) .cse15) (or .cse4 .cse0 .cse1 .cse3 .cse8 .cse9) (or .cse4 .cse1 .cse16 .cse8 .cse17 .cse9) (or .cse1 .cse16 .cse8 .cse17 .cse9 .cse10)))) [2018-12-03 03:49:34,176 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (<= ~waterLevel~0 0)) (.cse7 (< 0 |old(~waterLevel~0)|)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse3 .cse5 .cse6) (or .cse1 (or .cse2 .cse3 .cse6)) (or .cse2 .cse7 .cse0 .cse8 .cse3 .cse5) (or .cse8 (or .cse2 .cse7 .cse3 .cse6)) (or .cse0 .cse4 .cse3 .cse5) (or .cse4 (not (= ~systemActive~0 0))) (or (= 0 ~methAndRunningLastTime~0) .cse0 (or .cse2 .cse3 .cse5)))) [2018-12-03 03:49:34,176 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 267 290) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse10 (not (= ~waterLevel~0 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse8)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= ~systemActive~0 0))) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (<= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 (or .cse7 .cse3)) (or .cse8 .cse1 .cse9 .cse10) (or .cse0 .cse1 .cse3 .cse5 (and .cse11 .cse6)) (or .cse0 .cse8 .cse1 .cse3 .cse10 .cse5) (or .cse8 .cse1 (and .cse10 .cse11 .cse6) .cse3 .cse5 .cse12) (or .cse7 .cse13 .cse0 .cse3 .cse5 .cse14) (or .cse1 (and .cse2 .cse11 .cse6) .cse3 .cse4 .cse5 .cse12) (or .cse9 (or .cse13 .cse1) .cse14) (or .cse2 .cse1 .cse9 .cse4 .cse5) (or .cse1 .cse9 .cse6) (or .cse13 .cse0 .cse1 .cse3 .cse5 .cse14) (or .cse6 (or .cse7 .cse3 .cse12)) (or .cse0 .cse11 (or .cse7 .cse3 .cse5)) (or .cse1 .cse9 .cse5 .cse11) (or .cse14 (or .cse7 .cse13 .cse3 .cse12)) (or .cse13 .cse1 .cse14 .cse3 .cse5 .cse12)))) [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point L271(lines 270 289) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 267 290) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 267 290) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse1 (< ~pumpRunning~0 1)) (.cse2 (< 0 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 (or .cse3 (not (= ~methaneLevelCritical~0 0))))) (or .cse1 .cse2 (< ~methaneLevelCritical~0 1) .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-12-03 03:49:34,176 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 963 969) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 963 969) the Hoare annotation is: true [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-03 03:49:34,177 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 299 323) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) .cse1))) [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point L318-1(lines 299 323) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 299 323) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point L313(line 313) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or .cse2 (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4) (or .cse3 .cse0 .cse4 .cse1 .cse2))) [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point L309(line 309) the Hoare annotation is: (let ((.cse5 (< 0 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse6 .cse0 .cse2 .cse1 .cse3))) [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 315) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4))) [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point L305-1(line 305) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 320) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-12-03 03:49:34,177 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse2 (<= ~waterLevel~0 0)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 (or .cse4 .cse6) .cse3) (or (< ~pumpRunning~0 1) .cse0 (or .cse6 .cse7) .cse2 .cse3) (or .cse8 .cse4 .cse1 .cse9 .cse3) (or .cse4 .cse8 .cse6 .cse9 .cse3 .cse7) (or .cse5 .cse4 .cse8 .cse6 .cse9 .cse3) (or .cse0 .cse2 (or .cse4 .cse6 .cse7) .cse3))) [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1005 1012) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1005 1012) the Hoare annotation is: true [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1005 1012) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1009) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 325 349) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 325 349) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4) .cse1))) [2018-12-03 03:49:34,178 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1) (or (< |old(~pumpRunning~0)| 1) .cse2 .cse4))) [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point L344-1(lines 325 349) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L444 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-03 03:49:34,178 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 341) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-03 03:49:34,178 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 346) no Hoare annotation was computed. [2018-12-03 03:49:34,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:49:34 BoogieIcfgContainer [2018-12-03 03:49:34,187 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:49:34,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:49:34,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:49:34,187 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:49:34,188 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:49:22" (3/4) ... [2018-12-03 03:49:34,190 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 03:49:34,195 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 03:49:34,196 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 03:49:34,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 03:49:34,197 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-03 03:49:34,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-03 03:49:34,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 03:49:34,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 03:49:34,201 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 03:49:34,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 03:49:34,202 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 03:49:34,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || (((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 03:49:34,223 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 03:49:34,255 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cb95ed33-c43b-41a8-bbcb-10b561f75b03/bin-2019/utaipan/witness.graphml [2018-12-03 03:49:34,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:49:34,256 INFO L168 Benchmark]: Toolchain (without parser) took 12916.75 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 737.1 MB). Free memory was 951.7 MB in the beginning and 884.7 MB in the end (delta: 67.0 MB). Peak memory consumption was 804.2 MB. Max. memory is 11.5 GB. [2018-12-03 03:49:34,256 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:49:34,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:49:34,257 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:49:34,257 INFO L168 Benchmark]: Boogie Preprocessor took 23.36 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 03:49:34,257 INFO L168 Benchmark]: RCFGBuilder took 375.56 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-03 03:49:34,257 INFO L168 Benchmark]: TraceAbstraction took 12138.30 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 636.0 MB). Free memory was 1.0 GB in the beginning and 884.7 MB in the end (delta: 151.1 MB). Peak memory consumption was 893.0 MB. Max. memory is 11.5 GB. [2018-12-03 03:49:34,257 INFO L168 Benchmark]: Witness Printer took 68.44 ms. Allocated memory is still 1.8 GB. Free memory was 884.7 MB in the beginning and 884.7 MB in the end (delta: 78.9 kB). Peak memory consumption was 78.9 kB. Max. memory is 11.5 GB. [2018-12-03 03:49:34,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.2 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -138.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.36 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 375.56 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: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12138.30 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 636.0 MB). Free memory was 1.0 GB in the beginning and 884.7 MB in the end (delta: 151.1 MB). Peak memory consumption was 893.0 MB. Max. memory is 11.5 GB. * Witness Printer took 68.44 ms. Allocated memory is still 1.8 GB. Free memory was 884.7 MB in the beginning and 884.7 MB in the end (delta: 78.9 kB). Peak memory consumption was 78.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1009]: 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: 201]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: ((((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || (((0 == pumpRunning && splverifierCounter == 0) && 0 == methAndRunningLastTime) && 0 == systemActive)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 167 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2749 SDtfs, 1333 SDslu, 5050 SDs, 0 SdLazy, 1268 SolverSat, 200 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1459 GetRequests, 1366 SyntacticMatches, 14 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3617occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.3s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 857 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 5931 PreInvPairs, 6101 NumberOfFragments, 3830 HoareAnnotationTreeSize, 5931 FomulaSimplifications, 8168 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 70 FomulaSimplificationsInter, 18312 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2013 NumberOfCodeBlocks, 2013 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2667 ConstructedInterpolants, 0 QuantifiedInterpolants, 544809 SizeOfPredicates, 6 NumberOfNonLiveVariables, 3727 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 21 InterpolantComputations, 15 PerfectInterpolantSequences, 638/690 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...