./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 05:07:29,995 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:07:29,997 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:07:30,003 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:07:30,003 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:07:30,004 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:07:30,005 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:07:30,006 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:07:30,007 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:07:30,008 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:07:30,008 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:07:30,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:07:30,009 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:07:30,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:07:30,010 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:07:30,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:07:30,011 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:07:30,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:07:30,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:07:30,015 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:07:30,016 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:07:30,017 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:07:30,018 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:07:30,018 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:07:30,018 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:07:30,019 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:07:30,019 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:07:30,020 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:07:30,020 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:07:30,021 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:07:30,021 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:07:30,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:07:30,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:07:30,022 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:07:30,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:07:30,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:07:30,023 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:07:30,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:07:30,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:07:30,031 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:07:30,032 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:07:30,032 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:07:30,033 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:07:30,033 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:07:30,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:07:30,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:07:30,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:07:30,033 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:07:30,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:07:30,034 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:07:30,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:07:30,035 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:07:30,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:07:30,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:07:30,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:07:30,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:07:30,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:07:30,036 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:07:30,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:07:30,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:07:30,036 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:07:30,036 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_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e5cd7f0160b88327fd5a74ba9af5182d0c658c6 [2018-11-23 05:07:30,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:07:30,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:07:30,073 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:07:30,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:07:30,075 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:07:30,075 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-11-23 05:07:30,125 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/data/610fdac68/d0d38f98e0b54bd4868b100adb54ce9a/FLAG07c97642e [2018-11-23 05:07:30,528 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:07:30,529 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/sv-benchmarks/c/product-lines/minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-11-23 05:07:30,540 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/data/610fdac68/d0d38f98e0b54bd4868b100adb54ce9a/FLAG07c97642e [2018-11-23 05:07:30,898 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/data/610fdac68/d0d38f98e0b54bd4868b100adb54ce9a [2018-11-23 05:07:30,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:07:30,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:07:30,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:07:30,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:07:30,904 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:07:30,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:07:30" (1/1) ... [2018-11-23 05:07:30,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd2737e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:30, skipping insertion in model container [2018-11-23 05:07:30,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:07:30" (1/1) ... [2018-11-23 05:07:30,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:07:30,948 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:07:31,151 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:07:31,161 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:07:31,275 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:07:31,303 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:07:31,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31 WrapperNode [2018-11-23 05:07:31,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:07:31,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:07:31,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:07:31,304 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:07:31,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,332 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:07:31,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:07:31,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:07:31,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:07:31,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... [2018-11-23 05:07:31,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:07:31,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:07:31,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:07:31,367 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:07:31,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:07:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 05:07:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 05:07:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:07:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:07:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 05:07:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 05:07:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 05:07:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 05:07:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:07:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 05:07:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 05:07:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 05:07:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 05:07:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 05:07:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 05:07:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 05:07:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 05:07:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 05:07:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 05:07:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 05:07:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 05:07:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 05:07:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 05:07:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 05:07:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 05:07:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 05:07:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 05:07:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 05:07:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 05:07:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 05:07:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 05:07:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 05:07:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 05:07:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:07:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:07:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:07:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:07:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 05:07:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 05:07:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:07:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:07:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:07:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:07:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 05:07:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 05:07:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 05:07:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 05:07:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:07:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:07:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 05:07:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 05:07:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 05:07:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 05:07:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 05:07:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 05:07:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 05:07:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 05:07:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:07:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:07:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:07:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:07:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:07:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 05:07:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 05:07:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:07:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:07:31,902 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:07:31,902 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 05:07:31,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:07:31 BoogieIcfgContainer [2018-11-23 05:07:31,903 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:07:31,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:07:31,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:07:31,905 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:07:31,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:07:30" (1/3) ... [2018-11-23 05:07:31,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b99226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:07:31, skipping insertion in model container [2018-11-23 05:07:31,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:07:31" (2/3) ... [2018-11-23 05:07:31,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26b99226 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:07:31, skipping insertion in model container [2018-11-23 05:07:31,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:07:31" (3/3) ... [2018-11-23 05:07:31,908 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63_true-unreach-call_false-termination.cil.c [2018-11-23 05:07:31,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:07:31,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:07:31,930 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:07:31,954 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:07:31,955 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:07:31,955 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:07:31,955 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:07:31,955 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:07:31,955 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:07:31,955 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:07:31,955 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:07:31,972 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states. [2018-11-23 05:07:31,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 05:07:31,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:31,980 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] [2018-11-23 05:07:31,982 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:31,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:31,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1339530432, now seen corresponding path program 1 times [2018-11-23 05:07:31,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:32,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:32,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:32,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:32,019 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:07:32,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:32,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:07:32,173 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:32,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:07:32,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:07:32,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:07:32,187 INFO L87 Difference]: Start difference. First operand 174 states. Second operand 2 states. [2018-11-23 05:07:32,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:32,218 INFO L93 Difference]: Finished difference Result 318 states and 399 transitions. [2018-11-23 05:07:32,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:07:32,219 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 05:07:32,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:32,229 INFO L225 Difference]: With dead ends: 318 [2018-11-23 05:07:32,229 INFO L226 Difference]: Without dead ends: 161 [2018-11-23 05:07:32,232 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:07:32,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-11-23 05:07:32,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-11-23 05:07:32,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-11-23 05:07:32,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 193 transitions. [2018-11-23 05:07:32,278 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 193 transitions. Word has length 51 [2018-11-23 05:07:32,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:32,279 INFO L480 AbstractCegarLoop]: Abstraction has 161 states and 193 transitions. [2018-11-23 05:07:32,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:07:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 193 transitions. [2018-11-23 05:07:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 05:07:32,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:32,282 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] [2018-11-23 05:07:32,283 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:32,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:32,283 INFO L82 PathProgramCache]: Analyzing trace with hash -742963198, now seen corresponding path program 1 times [2018-11-23 05:07:32,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:32,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:32,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:32,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:32,285 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:07:32,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:32,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:07:32,379 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:32,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:07:32,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:07:32,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:07:32,381 INFO L87 Difference]: Start difference. First operand 161 states and 193 transitions. Second operand 3 states. [2018-11-23 05:07:32,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:32,407 INFO L93 Difference]: Finished difference Result 261 states and 313 transitions. [2018-11-23 05:07:32,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:07:32,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 05:07:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:32,413 INFO L225 Difference]: With dead ends: 261 [2018-11-23 05:07:32,413 INFO L226 Difference]: Without dead ends: 152 [2018-11-23 05:07:32,414 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:07:32,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-23 05:07:32,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-23 05:07:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-23 05:07:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 181 transitions. [2018-11-23 05:07:32,432 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 181 transitions. Word has length 52 [2018-11-23 05:07:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:32,432 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 181 transitions. [2018-11-23 05:07:32,432 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:07:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 181 transitions. [2018-11-23 05:07:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 05:07:32,434 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:32,434 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] [2018-11-23 05:07:32,435 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:32,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:32,435 INFO L82 PathProgramCache]: Analyzing trace with hash 366540083, now seen corresponding path program 1 times [2018-11-23 05:07:32,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:32,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:32,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:32,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:32,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:07:32,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:32,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:07:32,579 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:32,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:07:32,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:07:32,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:07:32,581 INFO L87 Difference]: Start difference. First operand 152 states and 181 transitions. Second operand 7 states. [2018-11-23 05:07:33,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:33,036 INFO L93 Difference]: Finished difference Result 451 states and 555 transitions. [2018-11-23 05:07:33,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:07:33,036 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 05:07:33,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:33,040 INFO L225 Difference]: With dead ends: 451 [2018-11-23 05:07:33,040 INFO L226 Difference]: Without dead ends: 327 [2018-11-23 05:07:33,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 05:07:33,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-11-23 05:07:33,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 319. [2018-11-23 05:07:33,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-11-23 05:07:33,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 392 transitions. [2018-11-23 05:07:33,082 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 392 transitions. Word has length 56 [2018-11-23 05:07:33,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:33,083 INFO L480 AbstractCegarLoop]: Abstraction has 319 states and 392 transitions. [2018-11-23 05:07:33,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:07:33,083 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 392 transitions. [2018-11-23 05:07:33,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 05:07:33,086 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:33,087 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] [2018-11-23 05:07:33,087 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:33,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:33,088 INFO L82 PathProgramCache]: Analyzing trace with hash -261648771, now seen corresponding path program 1 times [2018-11-23 05:07:33,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:33,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:33,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:33,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:33,089 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:07:33,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:33,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:07:33,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:33,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:07:33,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:07:33,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:07:33,183 INFO L87 Difference]: Start difference. First operand 319 states and 392 transitions. Second operand 6 states. [2018-11-23 05:07:33,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:33,353 INFO L93 Difference]: Finished difference Result 883 states and 1110 transitions. [2018-11-23 05:07:33,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:07:33,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 05:07:33,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:33,358 INFO L225 Difference]: With dead ends: 883 [2018-11-23 05:07:33,359 INFO L226 Difference]: Without dead ends: 592 [2018-11-23 05:07:33,360 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 [2018-11-23 05:07:33,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-11-23 05:07:33,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-11-23 05:07:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-11-23 05:07:33,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 724 transitions. [2018-11-23 05:07:33,415 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 724 transitions. Word has length 62 [2018-11-23 05:07:33,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:33,415 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 724 transitions. [2018-11-23 05:07:33,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:07:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 724 transitions. [2018-11-23 05:07:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 05:07:33,418 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:33,419 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] [2018-11-23 05:07:33,419 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:33,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:33,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1938174951, now seen corresponding path program 1 times [2018-11-23 05:07:33,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:33,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:33,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:33,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:33,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:33,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 05:07:33,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:33,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:07:33,502 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:33,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:07:33,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:07:33,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:07:33,503 INFO L87 Difference]: Start difference. First operand 586 states and 724 transitions. Second operand 7 states. [2018-11-23 05:07:34,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:34,072 INFO L93 Difference]: Finished difference Result 1521 states and 1998 transitions. [2018-11-23 05:07:34,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 05:07:34,074 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 05:07:34,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:34,079 INFO L225 Difference]: With dead ends: 1521 [2018-11-23 05:07:34,079 INFO L226 Difference]: Without dead ends: 963 [2018-11-23 05:07:34,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 05:07:34,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2018-11-23 05:07:34,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 867. [2018-11-23 05:07:34,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2018-11-23 05:07:34,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1055 transitions. [2018-11-23 05:07:34,122 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1055 transitions. Word has length 66 [2018-11-23 05:07:34,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:34,123 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1055 transitions. [2018-11-23 05:07:34,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:07:34,123 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1055 transitions. [2018-11-23 05:07:34,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 05:07:34,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:34,126 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:34,126 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:34,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:34,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1191924210, now seen corresponding path program 1 times [2018-11-23 05:07:34,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:34,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:34,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:34,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:34,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:34,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 05:07:34,200 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:34,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 05:07:34,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 05:07:34,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 05:07:34,201 INFO L87 Difference]: Start difference. First operand 867 states and 1055 transitions. Second operand 6 states. [2018-11-23 05:07:34,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:34,238 INFO L93 Difference]: Finished difference Result 1734 states and 2186 transitions. [2018-11-23 05:07:34,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 05:07:34,239 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-11-23 05:07:34,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:34,242 INFO L225 Difference]: With dead ends: 1734 [2018-11-23 05:07:34,242 INFO L226 Difference]: Without dead ends: 895 [2018-11-23 05:07:34,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:07:34,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2018-11-23 05:07:34,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 887. [2018-11-23 05:07:34,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 887 states. [2018-11-23 05:07:34,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 887 states and 1075 transitions. [2018-11-23 05:07:34,275 INFO L78 Accepts]: Start accepts. Automaton has 887 states and 1075 transitions. Word has length 108 [2018-11-23 05:07:34,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:34,275 INFO L480 AbstractCegarLoop]: Abstraction has 887 states and 1075 transitions. [2018-11-23 05:07:34,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 05:07:34,276 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1075 transitions. [2018-11-23 05:07:34,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 05:07:34,277 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:34,277 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:34,277 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:34,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:34,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1163881040, now seen corresponding path program 1 times [2018-11-23 05:07:34,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:34,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:34,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:34,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:34,366 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:34,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 05:07:34,367 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:34,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 05:07:34,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 05:07:34,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:07:34,368 INFO L87 Difference]: Start difference. First operand 887 states and 1075 transitions. Second operand 8 states. [2018-11-23 05:07:34,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:34,405 INFO L93 Difference]: Finished difference Result 1774 states and 2226 transitions. [2018-11-23 05:07:34,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:07:34,405 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-11-23 05:07:34,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:34,409 INFO L225 Difference]: With dead ends: 1774 [2018-11-23 05:07:34,409 INFO L226 Difference]: Without dead ends: 915 [2018-11-23 05:07:34,410 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 05:07:34,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2018-11-23 05:07:34,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 903. [2018-11-23 05:07:34,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-11-23 05:07:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1091 transitions. [2018-11-23 05:07:34,461 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1091 transitions. Word has length 108 [2018-11-23 05:07:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:34,461 INFO L480 AbstractCegarLoop]: Abstraction has 903 states and 1091 transitions. [2018-11-23 05:07:34,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 05:07:34,461 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1091 transitions. [2018-11-23 05:07:34,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 05:07:34,463 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:34,463 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:34,464 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:34,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:34,464 INFO L82 PathProgramCache]: Analyzing trace with hash -394711025, now seen corresponding path program 1 times [2018-11-23 05:07:34,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:34,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:34,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:34,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:07:34,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:34,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:07:34,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:34,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:07:34,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:07:34,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:07:34,546 INFO L87 Difference]: Start difference. First operand 903 states and 1091 transitions. Second operand 4 states. [2018-11-23 05:07:34,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:34,736 INFO L93 Difference]: Finished difference Result 2845 states and 3606 transitions. [2018-11-23 05:07:34,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:07:34,736 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-11-23 05:07:34,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:34,743 INFO L225 Difference]: With dead ends: 2845 [2018-11-23 05:07:34,743 INFO L226 Difference]: Without dead ends: 1970 [2018-11-23 05:07:34,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:07:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1970 states. [2018-11-23 05:07:34,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1970 to 1939. [2018-11-23 05:07:34,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1939 states. [2018-11-23 05:07:34,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1939 states and 2407 transitions. [2018-11-23 05:07:34,828 INFO L78 Accepts]: Start accepts. Automaton has 1939 states and 2407 transitions. Word has length 108 [2018-11-23 05:07:34,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:34,828 INFO L480 AbstractCegarLoop]: Abstraction has 1939 states and 2407 transitions. [2018-11-23 05:07:34,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:07:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 1939 states and 2407 transitions. [2018-11-23 05:07:34,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 05:07:34,831 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:34,831 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:34,832 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:34,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:34,832 INFO L82 PathProgramCache]: Analyzing trace with hash -59689655, now seen corresponding path program 1 times [2018-11-23 05:07:34,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:34,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:34,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:34,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:34,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:07:34,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:34,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:07:34,948 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 113 with the following transitions: [2018-11-23 05:07:34,949 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [63], [65], [66], [69], [84], [87], [88], [92], [93], [95], [104], [108], [112], [115], [120], [123], [128], [131], [147], [148], [151], [153], [156], [158], [161], [164], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [216], [220], [260], [264], [267], [269], [272], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [309], [310], [315], [316], [317], [319], [320], [327], [328], [329], [330], [331], [332], [335], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [353], [354], [355], [361], [362], [363], [365], [366], [367], [368] [2018-11-23 05:07:34,979 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:07:34,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:07:35,364 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:07:35,365 INFO L272 AbstractInterpreter]: Visited 83 different actions 83 times. Never merged. Never widened. Performed 2887 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2887 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-23 05:07:35,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:35,374 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:07:35,679 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.6% of their original sizes. [2018-11-23 05:07:35,679 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:07:35,905 INFO L415 sIntCurrentIteration]: We unified 111 AI predicates to 111 [2018-11-23 05:07:35,906 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:07:35,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:07:35,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [13] total 36 [2018-11-23 05:07:35,907 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:35,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 05:07:35,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 05:07:35,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=529, Unknown=0, NotChecked=0, Total=600 [2018-11-23 05:07:35,907 INFO L87 Difference]: Start difference. First operand 1939 states and 2407 transitions. Second operand 25 states. [2018-11-23 05:07:41,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:41,889 INFO L93 Difference]: Finished difference Result 4766 states and 5949 transitions. [2018-11-23 05:07:41,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-23 05:07:41,889 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2018-11-23 05:07:41,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:41,902 INFO L225 Difference]: With dead ends: 4766 [2018-11-23 05:07:41,902 INFO L226 Difference]: Without dead ends: 2855 [2018-11-23 05:07:41,908 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 140 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 662 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=287, Invalid=2575, Unknown=0, NotChecked=0, Total=2862 [2018-11-23 05:07:41,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2018-11-23 05:07:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2840. [2018-11-23 05:07:42,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-11-23 05:07:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3430 transitions. [2018-11-23 05:07:42,042 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3430 transitions. Word has length 112 [2018-11-23 05:07:42,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:42,043 INFO L480 AbstractCegarLoop]: Abstraction has 2840 states and 3430 transitions. [2018-11-23 05:07:42,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 05:07:42,043 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3430 transitions. [2018-11-23 05:07:42,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-23 05:07:42,049 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:42,050 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 05:07:42,050 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:42,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:42,050 INFO L82 PathProgramCache]: Analyzing trace with hash -1003272885, now seen corresponding path program 1 times [2018-11-23 05:07:42,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:42,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:42,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:42,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:42,053 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-23 05:07:42,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:07:42,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 05:07:42,116 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:42,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 05:07:42,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 05:07:42,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:07:42,117 INFO L87 Difference]: Start difference. First operand 2840 states and 3430 transitions. Second operand 4 states. [2018-11-23 05:07:42,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:07:42,381 INFO L93 Difference]: Finished difference Result 3275 states and 3959 transitions. [2018-11-23 05:07:42,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 05:07:42,382 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 177 [2018-11-23 05:07:42,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:07:42,387 INFO L225 Difference]: With dead ends: 3275 [2018-11-23 05:07:42,387 INFO L226 Difference]: Without dead ends: 1296 [2018-11-23 05:07:42,391 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 05:07:42,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2018-11-23 05:07:42,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1296. [2018-11-23 05:07:42,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1296 states. [2018-11-23 05:07:42,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1296 states to 1296 states and 1525 transitions. [2018-11-23 05:07:42,484 INFO L78 Accepts]: Start accepts. Automaton has 1296 states and 1525 transitions. Word has length 177 [2018-11-23 05:07:42,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:07:42,484 INFO L480 AbstractCegarLoop]: Abstraction has 1296 states and 1525 transitions. [2018-11-23 05:07:42,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 05:07:42,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1525 transitions. [2018-11-23 05:07:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-23 05:07:42,489 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:07:42,489 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:07:42,490 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:07:42,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:42,490 INFO L82 PathProgramCache]: Analyzing trace with hash 372963358, now seen corresponding path program 1 times [2018-11-23 05:07:42,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:07:42,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:42,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:07:42,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:07:42,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:07:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:07:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-23 05:07:42,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:07:42,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:07:42,580 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 186 with the following transitions: [2018-11-23 05:07:42,581 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-11-23 05:07:42,585 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:07:42,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:07:43,538 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 05:07:43,538 INFO L272 AbstractInterpreter]: Visited 146 different actions 569 times. Merged at 16 different actions 35 times. Never widened. Performed 20294 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20294 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 05:07:43,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:07:43,543 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 05:07:43,964 INFO L227 lantSequenceWeakener]: Weakened 181 states. On average, predicates are now at 97.83% of their original sizes. [2018-11-23 05:07:43,964 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 05:07:44,216 INFO L415 sIntCurrentIteration]: We unified 184 AI predicates to 184 [2018-11-23 05:07:44,216 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 05:07:44,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 05:07:44,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [32] imperfect sequences [5] total 35 [2018-11-23 05:07:44,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:07:44,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-11-23 05:07:44,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-11-23 05:07:44,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=869, Unknown=0, NotChecked=0, Total=992 [2018-11-23 05:07:44,218 INFO L87 Difference]: Start difference. First operand 1296 states and 1525 transitions. Second operand 32 states. [2018-11-23 05:08:03,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:08:03,157 INFO L93 Difference]: Finished difference Result 4158 states and 5381 transitions. [2018-11-23 05:08:03,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-11-23 05:08:03,157 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 185 [2018-11-23 05:08:03,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:08:03,165 INFO L225 Difference]: With dead ends: 4158 [2018-11-23 05:08:03,166 INFO L226 Difference]: Without dead ends: 3175 [2018-11-23 05:08:03,170 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 148 SyntacticMatches, 6 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4622 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1374, Invalid=12668, Unknown=0, NotChecked=0, Total=14042 [2018-11-23 05:08:03,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3175 states. [2018-11-23 05:08:03,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3175 to 2975. [2018-11-23 05:08:03,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2975 states. [2018-11-23 05:08:03,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2975 states and 3456 transitions. [2018-11-23 05:08:03,269 INFO L78 Accepts]: Start accepts. Automaton has 2975 states and 3456 transitions. Word has length 185 [2018-11-23 05:08:03,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:08:03,270 INFO L480 AbstractCegarLoop]: Abstraction has 2975 states and 3456 transitions. [2018-11-23 05:08:03,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-11-23 05:08:03,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2975 states and 3456 transitions. [2018-11-23 05:08:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 05:08:03,276 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:08:03,276 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:08:03,276 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:08:03,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:08:03,277 INFO L82 PathProgramCache]: Analyzing trace with hash 1467952148, now seen corresponding path program 1 times [2018-11-23 05:08:03,277 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:08:03,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:08:03,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:08:03,278 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:08:03,278 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:08:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:08:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-23 05:08:03,375 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:08:03,375 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:08:03,375 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-11-23 05:08:03,375 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-11-23 05:08:03,379 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:08:03,379 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:08:05,486 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:08:05,486 INFO L272 AbstractInterpreter]: Visited 150 different actions 1624 times. Merged at 21 different actions 134 times. Widened at 1 different actions 1 times. Performed 59391 root evaluator evaluations with a maximum evaluation depth of 5. Performed 59391 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 35 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 05:08:05,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:08:05,490 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:08:05,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:08:05,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:08:05,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:08:05,497 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:08:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:08:05,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:08:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 142 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 05:08:05,738 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:08:06,136 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 51 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-11-23 05:08:06,154 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 05:08:06,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 11 [2018-11-23 05:08:06,154 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 05:08:06,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 05:08:06,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 05:08:06,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:08:06,156 INFO L87 Difference]: Start difference. First operand 2975 states and 3456 transitions. Second operand 9 states. [2018-11-23 05:08:06,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:08:06,756 INFO L93 Difference]: Finished difference Result 5134 states and 6225 transitions. [2018-11-23 05:08:06,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 05:08:06,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2018-11-23 05:08:06,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:08:06,764 INFO L225 Difference]: With dead ends: 5134 [2018-11-23 05:08:06,764 INFO L226 Difference]: Without dead ends: 2663 [2018-11-23 05:08:06,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 526 GetRequests, 511 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-11-23 05:08:06,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2018-11-23 05:08:06,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2467. [2018-11-23 05:08:06,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2018-11-23 05:08:06,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 2829 transitions. [2018-11-23 05:08:06,853 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 2829 transitions. Word has length 257 [2018-11-23 05:08:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:08:06,853 INFO L480 AbstractCegarLoop]: Abstraction has 2467 states and 2829 transitions. [2018-11-23 05:08:06,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 05:08:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 2829 transitions. [2018-11-23 05:08:06,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-11-23 05:08:06,859 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:08:06,859 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 05:08:06,859 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:08:06,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:08:06,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1039145326, now seen corresponding path program 1 times [2018-11-23 05:08:06,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:08:06,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:08:06,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:08:06,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:08:06,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:08:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:08:06,993 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 05:08:06,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:08:06,993 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 05:08:06,993 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 258 with the following transitions: [2018-11-23 05:08:06,993 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [63], [65], [66], [69], [72], [74], [80], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [123], [126], [128], [131], [147], [148], [149], [150], [151], [153], [156], [158], [161], [164], [167], [173], [175], [176], [177], [178], [179], [180], [182], [187], [190], [191], [193], [198], [200], [201], [206], [208], [209], [210], [213], [216], [220], [226], [255], [257], [259], [260], [264], [267], [269], [272], [279], [282], [285], [289], [290], [293], [294], [295], [296], [297], [298], [299], [300], [301], [303], [304], [307], [308], [309], [310], [313], [314], [315], [316], [317], [319], [320], [321], [322], [325], [326], [327], [328], [329], [330], [331], [332], [335], [336], [339], [340], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [355], [356], [361], [362], [363], [365], [366], [367], [368], [371], [372] [2018-11-23 05:08:06,995 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 05:08:06,996 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 05:08:09,149 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 05:08:09,149 INFO L272 AbstractInterpreter]: Visited 151 different actions 1828 times. Merged at 24 different actions 151 times. Widened at 1 different actions 1 times. Performed 61010 root evaluator evaluations with a maximum evaluation depth of 5. Performed 61010 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 44 fixpoints after 9 different actions. Largest state had 134 variables. [2018-11-23 05:08:09,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:08:09,152 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 05:08:09,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 05:08:09,152 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 05:08:09,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:08:09,158 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 05:08:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:08:09,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 05:08:09,370 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-11-23 05:08:09,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 05:08:09,803 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-11-23 05:08:09,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 05:08:09,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 05:08:09,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:08:09,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 05:08:09,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 05:08:09,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 05:08:09,820 INFO L87 Difference]: Start difference. First operand 2467 states and 2829 transitions. Second operand 8 states. [2018-11-23 05:08:10,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:08:10,000 INFO L93 Difference]: Finished difference Result 3562 states and 4103 transitions. [2018-11-23 05:08:10,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:08:10,001 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2018-11-23 05:08:10,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:08:10,002 INFO L225 Difference]: With dead ends: 3562 [2018-11-23 05:08:10,002 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:08:10,006 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 527 GetRequests, 498 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 05:08:10,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:08:10,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:08:10,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:08:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:08:10,007 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 257 [2018-11-23 05:08:10,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:08:10,007 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:08:10,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 05:08:10,008 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:08:10,008 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:08:10,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:08:10,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:10,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 05:08:11,179 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 22 [2018-11-23 05:08:11,349 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2018-11-23 05:08:11,955 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 38 [2018-11-23 05:08:12,439 WARN L180 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 56 [2018-11-23 05:08:12,775 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 38 [2018-11-23 05:08:13,113 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 43 [2018-11-23 05:08:13,238 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 31 [2018-11-23 05:08:13,850 WARN L180 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 69 [2018-11-23 05:08:14,924 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 46 [2018-11-23 05:08:15,425 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 38 [2018-11-23 05:08:15,688 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 51 [2018-11-23 05:08:15,690 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 647 653) the Hoare annotation is: true [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 647 653) no Hoare annotation was computed. [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 654 662) no Hoare annotation was computed. [2018-11-23 05:08:15,691 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 654 662) the Hoare annotation is: true [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 654 662) no Hoare annotation was computed. [2018-11-23 05:08:15,691 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,691 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,691 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,691 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-11-23 05:08:15,691 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:08:15,691 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-11-23 05:08:15,691 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-11-23 05:08:15,692 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 05:08:15,692 INFO L444 ceAbstractionStarter]: At program point L449(line 449) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-11-23 05:08:15,692 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-11-23 05:08:15,692 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 451) no Hoare annotation was computed. [2018-11-23 05:08:15,692 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-11-23 05:08:15,692 INFO L448 ceAbstractionStarter]: For program point L441-1(line 441) no Hoare annotation was computed. [2018-11-23 05:08:15,692 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 456) no Hoare annotation was computed. [2018-11-23 05:08:15,692 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 435 459) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse3) .cse2 .cse0 .cse4))) [2018-11-23 05:08:15,692 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 435 459) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 435 459) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 613 627) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 613 627) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not .cse2) .cse3) (or .cse2 .cse3 (and (not .cse0) .cse1)) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 613 627) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 530 538) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 530 538) the Hoare annotation is: true [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 530 538) no Hoare annotation was computed. [2018-11-23 05:08:15,693 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 607) no Hoare annotation was computed. [2018-11-23 05:08:15,694 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 594 612) the Hoare annotation is: true [2018-11-23 05:08:15,694 INFO L451 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: true [2018-11-23 05:08:15,694 INFO L448 ceAbstractionStarter]: For program point L603-2(lines 603 607) no Hoare annotation was computed. [2018-11-23 05:08:15,694 INFO L448 ceAbstractionStarter]: For program point L601-1(line 601) no Hoare annotation was computed. [2018-11-23 05:08:15,694 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 594 612) no Hoare annotation was computed. [2018-11-23 05:08:15,694 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 594 612) no Hoare annotation was computed. [2018-11-23 05:08:15,694 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 640 646) no Hoare annotation was computed. [2018-11-23 05:08:15,694 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 640 646) the Hoare annotation is: true [2018-11-23 05:08:15,694 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,694 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 519 529) the Hoare annotation is: true [2018-11-23 05:08:15,695 INFO L451 ceAbstractionStarter]: At program point L524(line 524) the Hoare annotation is: true [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point L524-1(line 524) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 519 529) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 519 529) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 511 518) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 511 518) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 511 518) no Hoare annotation was computed. [2018-11-23 05:08:15,695 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse4 .cse0 .cse5 .cse1) (or .cse3 .cse4 .cse0 .cse5))) [2018-11-23 05:08:15,696 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 461 485) no Hoare annotation was computed. [2018-11-23 05:08:15,699 INFO L444 ceAbstractionStarter]: At program point L475(line 475) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or (not .cse2) .cse1 .cse4 .cse3) (or .cse0 .cse1 .cse4))) [2018-11-23 05:08:15,699 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse3)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse2) .cse0 .cse3) (or .cse6 .cse4 .cse0 .cse5)))) [2018-11-23 05:08:15,700 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 461 485) no Hoare annotation was computed. [2018-11-23 05:08:15,700 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 477) no Hoare annotation was computed. [2018-11-23 05:08:15,700 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 461 485) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse4 .cse2 .cse0 .cse5))) [2018-11-23 05:08:15,700 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse3)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse1) (or .cse6 .cse0 .cse2 .cse3) (or .cse6 .cse4 .cse0 .cse5)))) [2018-11-23 05:08:15,700 INFO L448 ceAbstractionStarter]: For program point L467-1(line 467) no Hoare annotation was computed. [2018-11-23 05:08:15,700 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 482) no Hoare annotation was computed. [2018-11-23 05:08:15,700 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 290) no Hoare annotation was computed. [2018-11-23 05:08:15,700 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 280 293) no Hoare annotation was computed. [2018-11-23 05:08:15,700 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 280 293) the Hoare annotation is: true [2018-11-23 05:08:15,701 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 280 293) no Hoare annotation was computed. [2018-11-23 05:08:15,701 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 401 407) no Hoare annotation was computed. [2018-11-23 05:08:15,701 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 401 407) the Hoare annotation is: true [2018-11-23 05:08:15,701 INFO L444 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) .cse0))) [2018-11-23 05:08:15,701 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 305 370) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 05:08:15,701 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 357) no Hoare annotation was computed. [2018-11-23 05:08:15,701 INFO L444 ceAbstractionStarter]: At program point L351-1(lines 345 358) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0))) (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 .cse2 .cse3 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 (and .cse5 .cse3 .cse6 .cse0)) (and .cse2 .cse5 .cse3 .cse6 .cse0) (and .cse1 (= ~methaneLevelCritical~0 1) .cse3 .cse0) (and .cse1 .cse4 .cse7 .cse3 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 05:08:15,701 INFO L448 ceAbstractionStarter]: For program point L316(lines 315 362) no Hoare annotation was computed. [2018-11-23 05:08:15,701 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 358) no Hoare annotation was computed. [2018-11-23 05:08:15,701 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 305 370) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L444 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse2 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (and (<= 2 ~waterLevel~0) .cse2 (not .cse4) .cse0)) (and .cse1 .cse3 .cse4 .cse2 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 341) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L444 ceAbstractionStarter]: At program point L360(lines 315 362) the Hoare annotation is: (let ((.cse1 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse1 (= 0 ~methaneLevelCritical~0) .cse2 .cse0) (and (<= 2 ~waterLevel~0) .cse3 (= ~pumpRunning~0 1) .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 (= ~pumpRunning~0 0) .cse2 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:08:15,702 INFO L444 ceAbstractionStarter]: At program point L327(line 327) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 (= ~pumpRunning~0 0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse1 (= ~pumpRunning~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point L325(lines 325 331) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point L325-1(lines 325 331) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 321) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L444 ceAbstractionStarter]: At program point L363(lines 314 364) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 305 370) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 486 493) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 .cse4))) [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 486 493) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 486 493) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 294 302) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 294 302) the Hoare annotation is: true [2018-11-23 05:08:15,702 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 294 302) no Hoare annotation was computed. [2018-11-23 05:08:15,702 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~systemActive~0 0))))) [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 188) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 166 194) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse8)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3 .cse7) (or .cse6 .cse2 .cse3 .cse7 .cse8) (or .cse4 .cse2 .cse5 (not (= 1 ~pumpRunning~0)) .cse6 .cse3) (or .cse2 .cse0 .cse1 .cse6 .cse3) (or .cse6 .cse3 (not (= ~waterLevel~0 1)) .cse7 .cse2)))) [2018-11-23 05:08:15,703 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse3 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse5 .cse4) (or .cse5 .cse6) (or .cse1 .cse2 .cse6) (or .cse3 .cse0 .cse1 .cse5 .cse4))) [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point L176-1(line 176) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 191) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 166 194) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not .cse8)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse2 .cse5 .cse6 .cse3 .cse7) (or .cse6 .cse2 .cse3 .cse7 .cse8) (or .cse4 .cse2 .cse5 (not (= 1 ~pumpRunning~0)) .cse6 .cse3) (or .cse2 .cse0 .cse1 .cse6 .cse3) (or .cse6 .cse3 (not (= ~waterLevel~0 1)) .cse7 .cse2)))) [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 166 194) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 158 165) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~methAndRunningLastTime~0 0)) [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 158 165) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 158 165) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:08:15,703 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 494 510) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L444 ceAbstractionStarter]: At program point L505(line 505) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4))) [2018-11-23 05:08:15,704 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 494 510) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 494 510) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 507) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point L499-1(line 499) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 575 593) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 588) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L451 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: true [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point L584-2(lines 584 588) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 575 593) the Hoare annotation is: true [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point L582-1(line 582) no Hoare annotation was computed. [2018-11-23 05:08:15,704 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 575 593) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 227 238) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0))) (let ((.cse0 (< |old(~methaneLevelCritical~0)| 1)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse7 (not (= ~systemActive~0 0))) (.cse8 (= 0 ~methaneLevelCritical~0)) (.cse9 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not .cse3)) (.cse10 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse11 (= ~methaneLevelCritical~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse0 .cse5 .cse4 .cse2 .cse6) (or .cse5 .cse7 .cse8 .cse9) (or .cse10 .cse5 .cse7 .cse11 .cse6) (or .cse8 .cse2 .cse6 .cse9) (or .cse11 .cse10 .cse5 .cse2 .cse6) (or (or .cse10 .cse1 .cse2 .cse6) .cse11)))) [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 227 238) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 227 238) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 239 247) the Hoare annotation is: true [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 239 247) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 239 247) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L444 ceAbstractionStarter]: At program point L383(line 383) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse10 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse9 .cse10 .cse11)) (.cse0 (not .cse6)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (and .cse10 .cse11))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (or .cse5 .cse1 .cse3 .cse6)) (or (or .cse1 .cse2 .cse3) .cse7) (or .cse8 (or .cse5 .cse1 .cse2) .cse9) (or .cse7 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse0 (not (= ~systemActive~0 0))) (or .cse8 .cse0 .cse1 .cse2) (or .cse8 (or .cse5 .cse1 .cse6) .cse4)))) [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point L381(lines 380 399) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 377 400) the Hoare annotation is: (let ((.cse10 (= ~methAndRunningLastTime~0 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= 0 |old(~pumpRunning~0)|))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse12 (= |old(~waterLevel~0)| 1)) (.cse6 (not .cse3)) (.cse7 (not (= ~systemActive~0 0))) (.cse11 (and .cse10 .cse14 .cse9)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse13 (< ~methaneLevelCritical~0 1)) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (and .cse14 .cse9))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse7 (= ~waterLevel~0 2) .cse8 (not (= |old(~waterLevel~0)| 2))) (or .cse9 .cse6 .cse7) (or .cse5 .cse6 .cse7 .cse10 .cse8) (or .cse11 (or .cse5 .cse1 .cse8)) (or .cse6 .cse7 (not .cse12) (= 1 ~waterLevel~0)) (or .cse13 .cse6 .cse11 .cse1 .cse8) (or (not (= ~waterLevel~0 1)) .cse12 .cse6 .cse7) (or .cse11 .cse1 .cse8 .cse2) (or .cse10 .cse13 (or .cse0 .cse1 .cse8)) (or .cse13 (or .cse0 .cse1 .cse3) .cse4)))) [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 377 400) no Hoare annotation was computed. [2018-11-23 05:08:15,705 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 377 400) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse12 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse12 .cse7)) (.cse0 (or .cse4 .cse11 .cse5 .cse6)) (.cse14 (and .cse12 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7)) (.cse13 (not .cse6)) (.cse10 (< ~methaneLevelCritical~0 1)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse8 (< 0 |old(~waterLevel~0)|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (or (not (= ~methaneLevelCritical~0 1)) .cse4 .cse11 .cse6))) (and (or .cse0 .cse1) (or .cse1 .cse2) (or (or .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 .cse8 .cse9) (or .cse10 (or .cse3 .cse4 .cse11) .cse12) (or .cse13 (not (= ~systemActive~0 0))) (or .cse10 .cse13 .cse14 .cse4 .cse11) (or .cse14 .cse13 .cse4 .cse11 .cse5) (or .cse10 .cse7 (or .cse3 .cse4 .cse6)) (or .cse8 .cse9 .cse2)))) [2018-11-23 05:08:15,706 INFO L444 ceAbstractionStarter]: At program point L388(lines 388 394) the Hoare annotation is: (let ((.cse21 (= ~systemActive~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse20 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= ~pumpRunning~0 0)) (.cse12 (not .cse21)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse19 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= 0 |old(~pumpRunning~0)|))) (let ((.cse10 (< ~methaneLevelCritical~0 1)) (.cse6 (or .cse12 .cse5 .cse19 .cse13)) (.cse18 (and (= 0 ~methaneLevelCritical~0) .cse14 .cse21)) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse15 (and .cse4 .cse20 .cse0)) (.cse16 (and .cse4 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse20)) (.cse9 (= |old(~waterLevel~0)| 1)) (.cse1 (not .cse13)) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (< 0 |old(~waterLevel~0)|)) (.cse8 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse17 (or .cse3 .cse12 .cse5 .cse13))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse1 .cse2 (not .cse9) (= 1 ~waterLevel~0)) (or .cse10 (or .cse11 .cse12 .cse13) .cse14) (or .cse0 .cse3 .cse1 .cse12 .cse5) (or .cse10 .cse1 .cse15 .cse12 .cse5 .cse16) (or (and .cse4 .cse14) .cse17) (or .cse6 .cse18 (and .cse4 .cse0)) (or .cse3 .cse1 .cse2 (= ~waterLevel~0 2) .cse5 (not (= |old(~waterLevel~0)| 2))) (or .cse18 (or .cse11 .cse12 .cse19 .cse13) .cse0) (or .cse15 .cse1 .cse16 .cse12 .cse5 .cse19) (or (not (= ~waterLevel~0 1)) .cse9 .cse1 .cse2) (or .cse7 .cse8 .cse17))))) [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 05:08:15,706 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 05:08:15,706 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 203 214) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse4 (or .cse1 (not (= ~methaneLevelCritical~0 0)))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) (or .cse5 .cse1 .cse3) .cse0) (or .cse0 (or .cse5 .cse4 .cse3))))) [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 203 214) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 203 214) no Hoare annotation was computed. [2018-11-23 05:08:15,706 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 05:08:15,707 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 425) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 409 433) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse3) .cse2 .cse0 .cse4))) [2018-11-23 05:08:15,707 INFO L444 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point L415-1(line 415) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 430) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 409 433) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L444 ceAbstractionStarter]: At program point L428(line 428) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse2)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 .cse0 .cse4)))) [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point L428-1(lines 409 433) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (not .cse2)) (.cse7 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse0 .cse6) (or .cse7 .cse0 .cse6 .cse1) (or .cse3 .cse4 .cse7 .cse0 .cse6) (or .cse5 .cse0 .cse6 .cse1)))) [2018-11-23 05:08:15,707 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (and (<= 2 ~waterLevel~0) (= processEnvironment__wrappee__highWaterSensor_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1 .cse4) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse4 .cse0 .cse3))) [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 215 226) no Hoare annotation was computed. [2018-11-23 05:08:15,707 INFO L448 ceAbstractionStarter]: For program point L219-1(lines 215 226) no Hoare annotation was computed. [2018-11-23 05:08:15,708 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 215 226) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0)))) (and (or (= ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2))) (or .cse3 .cse4 (or .cse2 .cse5 .cse1)) (or .cse3 .cse4 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse5) (or .cse4 (or (or .cse5 (not (= ~methaneLevelCritical~0 0))) .cse1)) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-11-23 05:08:15,708 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 146 153) no Hoare annotation was computed. [2018-11-23 05:08:15,708 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 150) no Hoare annotation was computed. [2018-11-23 05:08:15,708 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 146 153) the Hoare annotation is: true [2018-11-23 05:08:15,708 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 146 153) no Hoare annotation was computed. [2018-11-23 05:08:15,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:08:15 BoogieIcfgContainer [2018-11-23 05:08:15,717 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:08:15,717 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:08:15,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:08:15,718 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:08:15,718 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:07:31" (3/4) ... [2018-11-23 05:08:15,721 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:08:15,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 05:08:15,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 05:08:15,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:08:15,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 05:08:15,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:08:15,729 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 05:08:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 05:08:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 05:08:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:08:15,730 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 05:08:15,739 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 05:08:15,739 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 05:08:15,739 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:08:15,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:08:15,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:08:15,740 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:08:15,741 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:08:15,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(systemActive) == 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 05:08:15,773 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 05:08:15,808 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_874a6dc1-0319-4df7-b0ba-fc1f1985ad8d/bin-2019/utaipan/witness.graphml [2018-11-23 05:08:15,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:08:15,809 INFO L168 Benchmark]: Toolchain (without parser) took 44909.11 ms. Allocated memory was 1.0 GB in the beginning and 3.2 GB in the end (delta: 2.1 GB). Free memory was 956.6 MB in the beginning and 2.8 GB in the end (delta: -1.8 GB). Peak memory consumption was 324.7 MB. Max. memory is 11.5 GB. [2018-11-23 05:08:15,810 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:08:15,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-23 05:08:15,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 05:08:15,810 INFO L168 Benchmark]: Boogie Preprocessor took 34.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 05:08:15,811 INFO L168 Benchmark]: RCFGBuilder took 535.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 05:08:15,811 INFO L168 Benchmark]: TraceAbstraction took 43813.82 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-23 05:08:15,811 INFO L168 Benchmark]: Witness Printer took 91.16 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 22.2 kB). Peak memory consumption was 22.2 kB. Max. memory is 11.5 GB. [2018-11-23 05:08:15,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 402.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.21 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 535.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 43813.82 ms. Allocated memory was 1.2 GB in the beginning and 3.2 GB in the end (delta: 2.0 GB). Free memory was 1.1 GB in the beginning and 2.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 91.16 ms. Allocated memory is still 3.2 GB. Free memory was 2.8 GB in the beginning and 2.8 GB in the end (delta: 22.2 kB). Peak memory consumption was 22.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 150]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: (((((((!(\old(systemActive) == 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || (((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || ((((2 <= waterLevel && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 174 locations, 1 error locations. SAFE Result, 43.7s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 27.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 3318 SDtfs, 4322 SDslu, 13182 SDs, 0 SdLazy, 6324 SolverSat, 2420 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1542 GetRequests, 1280 SyntacticMatches, 16 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5416 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2975occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.6s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964523875438346 AbsIntWeakeningRatio, 0.864406779661017 AbsIntAvgWeakeningVarsNumRemoved, 94.34237288135593 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 572 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 6439 PreInvPairs, 6710 NumberOfFragments, 3689 HoareAnnotationTreeSize, 6439 FomulaSimplifications, 15379 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 73 FomulaSimplificationsInter, 43036 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 2113 NumberOfCodeBlocks, 2113 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2610 ConstructedInterpolants, 0 QuantifiedInterpolants, 735300 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2282 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1120/1224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...