./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8271090c98217a098933d4a7a6aa5b00a536c5c8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 18:34:48,885 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 18:34:48,886 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 18:34:48,892 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 18:34:48,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 18:34:48,893 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 18:34:48,893 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 18:34:48,894 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 18:34:48,895 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 18:34:48,895 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 18:34:48,896 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 18:34:48,896 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 18:34:48,897 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 18:34:48,897 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 18:34:48,898 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 18:34:48,898 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 18:34:48,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 18:34:48,899 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 18:34:48,900 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 18:34:48,901 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 18:34:48,902 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 18:34:48,902 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 18:34:48,904 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 18:34:48,904 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 18:34:48,904 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 18:34:48,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 18:34:48,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 18:34:48,905 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 18:34:48,906 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 18:34:48,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 18:34:48,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 18:34:48,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 18:34:48,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 18:34:48,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 18:34:48,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 18:34:48,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 18:34:48,908 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 18:34:48,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 18:34:48,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 18:34:48,916 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 18:34:48,916 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 18:34:48,916 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 18:34:48,916 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 18:34:48,917 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 18:34:48,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 18:34:48,918 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 18:34:48,918 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 18:34:48,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 18:34:48,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 18:34:48,920 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer 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 -> Automizer 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 -> 8271090c98217a098933d4a7a6aa5b00a536c5c8 [2018-12-01 18:34:48,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 18:34:48,944 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 18:34:48,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 18:34:48,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 18:34:48,947 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 18:34:48,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-01 18:34:48,981 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/data/d024acf8c/421c8b696a9d4875af39dfe8502143ab/FLAG0d7d2abe7 [2018-12-01 18:34:49,291 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 18:34:49,292 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-01 18:34:49,299 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/data/d024acf8c/421c8b696a9d4875af39dfe8502143ab/FLAG0d7d2abe7 [2018-12-01 18:34:49,310 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/data/d024acf8c/421c8b696a9d4875af39dfe8502143ab [2018-12-01 18:34:49,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 18:34:49,314 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 18:34:49,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 18:34:49,314 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 18:34:49,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 18:34:49,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49, skipping insertion in model container [2018-12-01 18:34:49,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 18:34:49,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 18:34:49,542 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:34:49,593 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 18:34:49,647 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 18:34:49,668 INFO L195 MainTranslator]: Completed translation [2018-12-01 18:34:49,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49 WrapperNode [2018-12-01 18:34:49,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 18:34:49,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 18:34:49,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 18:34:49,669 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 18:34:49,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 18:34:49,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 18:34:49,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 18:34:49,691 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 18:34:49,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... [2018-12-01 18:34:49,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 18:34:49,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 18:34:49,712 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 18:34:49,712 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 18:34:49,713 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 18:34:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 18:34:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 18:34:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 18:34:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 18:34:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 18:34:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 18:34:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 18:34:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 18:34:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 18:34:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 18:34:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 18:34:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 18:34:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 18:34:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 18:34:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 18:34:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 18:34:49,746 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 18:34:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 18:34:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 18:34:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 18:34:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 18:34:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 18:34:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 18:34:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 18:34:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 18:34:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 18:34:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 18:34:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 18:34:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 18:34:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 18:34:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 18:34:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 18:34:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 18:34:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-01 18:34:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-01 18:34:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 18:34:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 18:34:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 18:34:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 18:34:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 18:34:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-01 18:34:49,749 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-01 18:34:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 18:34:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 18:34:49,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 18:34:49,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 18:34:50,034 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 18:34:50,034 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 18:34:50,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:50 BoogieIcfgContainer [2018-12-01 18:34:50,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 18:34:50,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 18:34:50,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 18:34:50,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 18:34:50,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 06:34:49" (1/3) ... [2018-12-01 18:34:50,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fc9508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:34:50, skipping insertion in model container [2018-12-01 18:34:50,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:34:49" (2/3) ... [2018-12-01 18:34:50,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fc9508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 06:34:50, skipping insertion in model container [2018-12-01 18:34:50,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:50" (3/3) ... [2018-12-01 18:34:50,039 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-01 18:34:50,045 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 18:34:50,049 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 18:34:50,058 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 18:34:50,075 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 18:34:50,076 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 18:34:50,076 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 18:34:50,076 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 18:34:50,076 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 18:34:50,076 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 18:34:50,076 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 18:34:50,076 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 18:34:50,076 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 18:34:50,087 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-01 18:34:50,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 18:34:50,092 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:50,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:50,094 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:50,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:50,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1860578828, now seen corresponding path program 1 times [2018-12-01 18:34:50,099 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:50,099 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:50,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:50,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:50,235 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:50,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 18:34:50,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 18:34:50,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 18:34:50,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 18:34:50,247 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-01 18:34:50,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:50,270 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-12-01 18:34:50,270 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 18:34:50,271 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-01 18:34:50,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:50,278 INFO L225 Difference]: With dead ends: 272 [2018-12-01 18:34:50,278 INFO L226 Difference]: Without dead ends: 136 [2018-12-01 18:34:50,280 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 18:34:50,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-01 18:34:50,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-01 18:34:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-01 18:34:50,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 161 transitions. [2018-12-01 18:34:50,312 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 161 transitions. Word has length 52 [2018-12-01 18:34:50,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:50,312 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 161 transitions. [2018-12-01 18:34:50,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 18:34:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2018-12-01 18:34:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 18:34:50,314 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:50,314 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] [2018-12-01 18:34:50,314 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:50,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:50,315 INFO L82 PathProgramCache]: Analyzing trace with hash -1322586247, now seen corresponding path program 1 times [2018-12-01 18:34:50,315 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:50,315 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:50,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:50,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:50,367 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:50,367 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:34:50,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 18:34:50,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:34:50,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:34:50,368 INFO L87 Difference]: Start difference. First operand 136 states and 161 transitions. Second operand 3 states. [2018-12-01 18:34:50,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:50,381 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-12-01 18:34:50,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:34:50,382 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-01 18:34:50,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:50,383 INFO L225 Difference]: With dead ends: 221 [2018-12-01 18:34:50,383 INFO L226 Difference]: Without dead ends: 127 [2018-12-01 18:34:50,383 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:34:50,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-01 18:34:50,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-01 18:34:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-01 18:34:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2018-12-01 18:34:50,391 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 53 [2018-12-01 18:34:50,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:50,391 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2018-12-01 18:34:50,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 18:34:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-12-01 18:34:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 18:34:50,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:50,392 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] [2018-12-01 18:34:50,392 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:50,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:50,393 INFO L82 PathProgramCache]: Analyzing trace with hash 462616749, now seen corresponding path program 1 times [2018-12-01 18:34:50,393 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:50,393 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:50,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:50,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:50,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:50,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:50,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 18:34:50,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 18:34:50,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 18:34:50,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:34:50,443 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 3 states. [2018-12-01 18:34:50,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:50,461 INFO L93 Difference]: Finished difference Result 230 states and 275 transitions. [2018-12-01 18:34:50,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 18:34:50,461 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-01 18:34:50,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:50,463 INFO L225 Difference]: With dead ends: 230 [2018-12-01 18:34:50,463 INFO L226 Difference]: Without dead ends: 127 [2018-12-01 18:34:50,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 18:34:50,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-01 18:34:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-01 18:34:50,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-01 18:34:50,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-12-01 18:34:50,473 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 57 [2018-12-01 18:34:50,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:50,473 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-12-01 18:34:50,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 18:34:50,474 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-12-01 18:34:50,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 18:34:50,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:50,475 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:50,475 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:50,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:50,475 INFO L82 PathProgramCache]: Analyzing trace with hash 1347282160, now seen corresponding path program 1 times [2018-12-01 18:34:50,475 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:50,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:50,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:50,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:50,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:50,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 18:34:50,557 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 18:34:50,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 18:34:50,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:34:50,557 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 5 states. [2018-12-01 18:34:50,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:50,912 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2018-12-01 18:34:50,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 18:34:50,913 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-01 18:34:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:50,914 INFO L225 Difference]: With dead ends: 343 [2018-12-01 18:34:50,914 INFO L226 Difference]: Without dead ends: 240 [2018-12-01 18:34:50,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 18:34:50,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-12-01 18:34:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 222. [2018-12-01 18:34:50,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-12-01 18:34:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2018-12-01 18:34:50,931 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 70 [2018-12-01 18:34:50,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:50,932 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2018-12-01 18:34:50,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 18:34:50,932 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2018-12-01 18:34:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 18:34:50,933 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:50,933 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:50,933 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:50,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:50,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1274279089, now seen corresponding path program 1 times [2018-12-01 18:34:50,934 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:50,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:50,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:50,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:50,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:50,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:50,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:34:50,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:34:50,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:34:50,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:34:50,986 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 6 states. [2018-12-01 18:34:51,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:51,099 INFO L93 Difference]: Finished difference Result 546 states and 657 transitions. [2018-12-01 18:34:51,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 18:34:51,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-01 18:34:51,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:51,102 INFO L225 Difference]: With dead ends: 546 [2018-12-01 18:34:51,102 INFO L226 Difference]: Without dead ends: 348 [2018-12-01 18:34:51,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:34:51,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-12-01 18:34:51,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2018-12-01 18:34:51,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-12-01 18:34:51,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 400 transitions. [2018-12-01 18:34:51,122 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 400 transitions. Word has length 84 [2018-12-01 18:34:51,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:51,123 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 400 transitions. [2018-12-01 18:34:51,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:34:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 400 transitions. [2018-12-01 18:34:51,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:34:51,124 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:51,125 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:51,125 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:51,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:51,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1982194633, now seen corresponding path program 1 times [2018-12-01 18:34:51,125 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:51,125 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:51,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:51,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:51,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:51,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:51,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 18:34:51,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 18:34:51,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 18:34:51,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 18:34:51,196 INFO L87 Difference]: Start difference. First operand 344 states and 400 transitions. Second operand 6 states. [2018-12-01 18:34:51,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:51,346 INFO L93 Difference]: Finished difference Result 735 states and 889 transitions. [2018-12-01 18:34:51,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:34:51,347 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-01 18:34:51,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:51,349 INFO L225 Difference]: With dead ends: 735 [2018-12-01 18:34:51,350 INFO L226 Difference]: Without dead ends: 537 [2018-12-01 18:34:51,350 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:34:51,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-12-01 18:34:51,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 519. [2018-12-01 18:34:51,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-12-01 18:34:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 617 transitions. [2018-12-01 18:34:51,385 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 617 transitions. Word has length 88 [2018-12-01 18:34:51,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:51,386 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 617 transitions. [2018-12-01 18:34:51,386 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 18:34:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 617 transitions. [2018-12-01 18:34:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:34:51,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:51,387 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:51,387 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:51,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:51,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1059511050, now seen corresponding path program 1 times [2018-12-01 18:34:51,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:51,388 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:51,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:51,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:51,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:51,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 18:34:51,430 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 18:34:51,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 18:34:51,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:34:51,431 INFO L87 Difference]: Start difference. First operand 519 states and 617 transitions. Second operand 5 states. [2018-12-01 18:34:51,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:51,458 INFO L93 Difference]: Finished difference Result 902 states and 1094 transitions. [2018-12-01 18:34:51,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-01 18:34:51,458 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-01 18:34:51,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:51,460 INFO L225 Difference]: With dead ends: 902 [2018-12-01 18:34:51,460 INFO L226 Difference]: Without dead ends: 529 [2018-12-01 18:34:51,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 18:34:51,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-12-01 18:34:51,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2018-12-01 18:34:51,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-12-01 18:34:51,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 620 transitions. [2018-12-01 18:34:51,478 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 620 transitions. Word has length 88 [2018-12-01 18:34:51,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:51,478 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 620 transitions. [2018-12-01 18:34:51,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 18:34:51,479 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 620 transitions. [2018-12-01 18:34:51,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 18:34:51,479 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:51,479 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:51,480 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:51,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:51,480 INFO L82 PathProgramCache]: Analyzing trace with hash 215505548, now seen corresponding path program 1 times [2018-12-01 18:34:51,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:51,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:51,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:51,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:51,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:51,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:51,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 18:34:51,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 18:34:51,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 18:34:51,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 18:34:51,531 INFO L87 Difference]: Start difference. First operand 523 states and 620 transitions. Second operand 9 states. [2018-12-01 18:34:51,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:51,576 INFO L93 Difference]: Finished difference Result 1039 states and 1258 transitions. [2018-12-01 18:34:51,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 18:34:51,576 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-01 18:34:51,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:51,579 INFO L225 Difference]: With dead ends: 1039 [2018-12-01 18:34:51,579 INFO L226 Difference]: Without dead ends: 540 [2018-12-01 18:34:51,580 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:34:51,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-12-01 18:34:51,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 530. [2018-12-01 18:34:51,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-12-01 18:34:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 627 transitions. [2018-12-01 18:34:51,604 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 627 transitions. Word has length 88 [2018-12-01 18:34:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:51,604 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 627 transitions. [2018-12-01 18:34:51,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 18:34:51,605 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 627 transitions. [2018-12-01 18:34:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-01 18:34:51,605 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:51,606 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] [2018-12-01 18:34:51,606 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:51,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:51,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1682882973, now seen corresponding path program 1 times [2018-12-01 18:34:51,606 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:51,606 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:51,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 18:34:51,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:34:51,659 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:34:51,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:51,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:34:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 18:34:51,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:34:51,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-12-01 18:34:51,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 18:34:51,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 18:34:51,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-12-01 18:34:51,846 INFO L87 Difference]: Start difference. First operand 530 states and 627 transitions. Second operand 14 states. [2018-12-01 18:34:52,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:52,361 INFO L93 Difference]: Finished difference Result 1427 states and 1749 transitions. [2018-12-01 18:34:52,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-01 18:34:52,362 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-12-01 18:34:52,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:52,366 INFO L225 Difference]: With dead ends: 1427 [2018-12-01 18:34:52,366 INFO L226 Difference]: Without dead ends: 921 [2018-12-01 18:34:52,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-12-01 18:34:52,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states. [2018-12-01 18:34:52,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 918. [2018-12-01 18:34:52,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 918 states. [2018-12-01 18:34:52,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 918 states and 1078 transitions. [2018-12-01 18:34:52,409 INFO L78 Accepts]: Start accepts. Automaton has 918 states and 1078 transitions. Word has length 100 [2018-12-01 18:34:52,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:52,409 INFO L480 AbstractCegarLoop]: Abstraction has 918 states and 1078 transitions. [2018-12-01 18:34:52,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 18:34:52,409 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1078 transitions. [2018-12-01 18:34:52,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 18:34:52,411 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:52,411 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] [2018-12-01 18:34:52,412 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:52,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:52,412 INFO L82 PathProgramCache]: Analyzing trace with hash -506496737, now seen corresponding path program 1 times [2018-12-01 18:34:52,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:52,412 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:52,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:52,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:52,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 18:34:52,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:52,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 18:34:52,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 18:34:52,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 18:34:52,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:34:52,502 INFO L87 Difference]: Start difference. First operand 918 states and 1078 transitions. Second operand 10 states. [2018-12-01 18:34:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:52,660 INFO L93 Difference]: Finished difference Result 1786 states and 2128 transitions. [2018-12-01 18:34:52,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 18:34:52,660 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-01 18:34:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:52,663 INFO L225 Difference]: With dead ends: 1786 [2018-12-01 18:34:52,663 INFO L226 Difference]: Without dead ends: 892 [2018-12-01 18:34:52,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-01 18:34:52,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 892 states. [2018-12-01 18:34:52,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 892 to 876. [2018-12-01 18:34:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-12-01 18:34:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1027 transitions. [2018-12-01 18:34:52,698 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1027 transitions. Word has length 104 [2018-12-01 18:34:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:52,698 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1027 transitions. [2018-12-01 18:34:52,698 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 18:34:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1027 transitions. [2018-12-01 18:34:52,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 18:34:52,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:52,700 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] [2018-12-01 18:34:52,700 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:52,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:52,700 INFO L82 PathProgramCache]: Analyzing trace with hash 904531589, now seen corresponding path program 1 times [2018-12-01 18:34:52,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:52,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:52,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:52,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:52,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:52,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 18:34:52,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 18:34:52,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-01 18:34:52,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 18:34:52,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 18:34:52,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-01 18:34:52,783 INFO L87 Difference]: Start difference. First operand 876 states and 1027 transitions. Second operand 10 states. [2018-12-01 18:34:52,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:52,949 INFO L93 Difference]: Finished difference Result 1734 states and 2036 transitions. [2018-12-01 18:34:52,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 18:34:52,949 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-01 18:34:52,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:52,951 INFO L225 Difference]: With dead ends: 1734 [2018-12-01 18:34:52,952 INFO L226 Difference]: Without dead ends: 882 [2018-12-01 18:34:52,953 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-01 18:34:52,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-12-01 18:34:52,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 846. [2018-12-01 18:34:52,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 846 states. [2018-12-01 18:34:52,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 846 states and 961 transitions. [2018-12-01 18:34:52,977 INFO L78 Accepts]: Start accepts. Automaton has 846 states and 961 transitions. Word has length 104 [2018-12-01 18:34:52,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:52,977 INFO L480 AbstractCegarLoop]: Abstraction has 846 states and 961 transitions. [2018-12-01 18:34:52,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 18:34:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 961 transitions. [2018-12-01 18:34:52,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-01 18:34:52,979 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:52,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:52,979 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:52,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:52,979 INFO L82 PathProgramCache]: Analyzing trace with hash 548965287, now seen corresponding path program 1 times [2018-12-01 18:34:52,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:52,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:52,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:52,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:52,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 18:34:53,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:34:53,029 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:34:53,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:53,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:34:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-01 18:34:53,233 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 18:34:53,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-12-01 18:34:53,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 18:34:53,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 18:34:53,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-01 18:34:53,234 INFO L87 Difference]: Start difference. First operand 846 states and 961 transitions. Second operand 13 states. [2018-12-01 18:34:54,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:54,197 INFO L93 Difference]: Finished difference Result 2237 states and 2737 transitions. [2018-12-01 18:34:54,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 18:34:54,198 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 147 [2018-12-01 18:34:54,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:54,201 INFO L225 Difference]: With dead ends: 2237 [2018-12-01 18:34:54,201 INFO L226 Difference]: Without dead ends: 1415 [2018-12-01 18:34:54,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-12-01 18:34:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2018-12-01 18:34:54,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1204. [2018-12-01 18:34:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2018-12-01 18:34:54,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1355 transitions. [2018-12-01 18:34:54,241 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1355 transitions. Word has length 147 [2018-12-01 18:34:54,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:54,241 INFO L480 AbstractCegarLoop]: Abstraction has 1204 states and 1355 transitions. [2018-12-01 18:34:54,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 18:34:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1355 transitions. [2018-12-01 18:34:54,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 18:34:54,244 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:54,244 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:54,244 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:54,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:54,244 INFO L82 PathProgramCache]: Analyzing trace with hash 721284779, now seen corresponding path program 1 times [2018-12-01 18:34:54,244 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:54,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:54,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:54,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:54,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-01 18:34:54,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:34:54,324 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:34:54,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:54,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:54,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:34:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 18:34:54,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 18:34:54,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-12-01 18:34:54,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 18:34:54,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 18:34:54,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-01 18:34:54,473 INFO L87 Difference]: Start difference. First operand 1204 states and 1355 transitions. Second operand 11 states. [2018-12-01 18:34:54,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:54,513 INFO L93 Difference]: Finished difference Result 2174 states and 2480 transitions. [2018-12-01 18:34:54,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 18:34:54,513 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 151 [2018-12-01 18:34:54,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:54,515 INFO L225 Difference]: With dead ends: 2174 [2018-12-01 18:34:54,516 INFO L226 Difference]: Without dead ends: 994 [2018-12-01 18:34:54,517 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-12-01 18:34:54,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2018-12-01 18:34:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 992. [2018-12-01 18:34:54,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2018-12-01 18:34:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1109 transitions. [2018-12-01 18:34:54,545 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1109 transitions. Word has length 151 [2018-12-01 18:34:54,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:54,545 INFO L480 AbstractCegarLoop]: Abstraction has 992 states and 1109 transitions. [2018-12-01 18:34:54,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 18:34:54,545 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1109 transitions. [2018-12-01 18:34:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-01 18:34:54,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 18:34:54,547 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 18:34:54,547 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 18:34:54,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 18:34:54,547 INFO L82 PathProgramCache]: Analyzing trace with hash -339982134, now seen corresponding path program 1 times [2018-12-01 18:34:54,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 18:34:54,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 18:34:54,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:54,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:54,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 18:34:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:54,587 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 18:34:54,588 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 18:34:54,588 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 18:34:54,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 18:34:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 18:34:54,657 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 18:34:54,741 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-01 18:34:54,757 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 18:34:54,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-01 18:34:54,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 18:34:54,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 18:34:54,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-01 18:34:54,758 INFO L87 Difference]: Start difference. First operand 992 states and 1109 transitions. Second operand 15 states. [2018-12-01 18:34:56,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 18:34:56,097 INFO L93 Difference]: Finished difference Result 2531 states and 3244 transitions. [2018-12-01 18:34:56,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-01 18:34:56,098 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2018-12-01 18:34:56,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 18:34:56,098 INFO L225 Difference]: With dead ends: 2531 [2018-12-01 18:34:56,099 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 18:34:56,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-01 18:34:56,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 18:34:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 18:34:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 18:34:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 18:34:56,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2018-12-01 18:34:56,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 18:34:56,104 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 18:34:56,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 18:34:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 18:34:56,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 18:34:56,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 18:34:56,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:56,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 18:34:57,040 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 28 [2018-12-01 18:34:57,151 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 29 [2018-12-01 18:34:57,425 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 39 [2018-12-01 18:34:57,743 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 40 [2018-12-01 18:34:57,923 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 44 [2018-12-01 18:34:58,527 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 52 [2018-12-01 18:34:58,651 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 36 [2018-12-01 18:34:59,976 WARN L180 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 55 [2018-12-01 18:35:00,098 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2018-12-01 18:35:00,098 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 566 574) no Hoare annotation was computed. [2018-12-01 18:35:00,098 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-12-01 18:35:00,098 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,098 INFO L444 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-12-01 18:35:00,098 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse3 .cse4))) [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~2)) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 (or (< 0 ~waterLevel~0) .cse1 .cse2 .cse3)) (or .cse2 .cse4 (and .cse0 .cse5 .cse6) .cse7 .cse3) (or .cse1 .cse8 .cse9 .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse8 .cse9 .cse7 .cse3) (or .cse1 .cse2 .cse4 (and .cse5 .cse6) .cse3))) [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= 0 ~pumpRunning~0) (= processEnvironment__wrappee__methaneQuery_~tmp~2 1))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse5 .cse2) (or .cse1 .cse6 .cse7 .cse3 .cse2) (or .cse0 .cse5 .cse3 .cse2) (or .cse4 .cse1 .cse6 .cse7 .cse2) (or .cse4 .cse0 .cse1 .cse2))) [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2018-12-01 18:35:00,099 INFO L444 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse3) (or .cse0 .cse6 .cse5 .cse7 .cse3))) [2018-12-01 18:35:00,099 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2018-12-01 18:35:00,100 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2018-12-01 18:35:00,100 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-01 18:35:00,100 INFO L448 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse0 .cse2 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse3 .cse4))) [2018-12-01 18:35:00,101 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 0 ~pumpRunning~0)) (.cse7 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse4 .cse3) (or .cse0 .cse6 .cse5 .cse7 .cse3))) [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 172) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 162 175) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2018-12-01 18:35:00,101 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,101 INFO L444 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (< ~systemActive~0 1) (and .cse2 .cse5 .cse4 .cse3) (and .cse0 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-12-01 18:35:00,101 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L444 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse6 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1) (and .cse4 .cse0 .cse6 .cse3))) [2018-12-01 18:35:00,102 INFO L444 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (and .cse6 .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1) (and .cse4 .cse0 .cse6 .cse3))) [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L444 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L444 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse4 .cse3) (< ~systemActive~0 1) (and .cse2 .cse5 .cse4 .cse3) (and .cse0 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 527) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) (< ~systemActive~0 1)) [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 367 374) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:35:00,102 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-01 18:35:00,102 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-01 18:35:00,103 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~systemActive~0 1))) (and (or .cse0 (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-12-01 18:35:00,103 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-01 18:35:00,103 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 153 161) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (< 2 ~waterLevel~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (< ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse4 .cse3 .cse2) (or .cse6 (or .cse1 .cse2) .cse3 .cse7) (or .cse6 .cse5 .cse3 .cse7 .cse2))) [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2018-12-01 18:35:00,104 INFO L448 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2018-12-01 18:35:00,105 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (and .cse6 (= ~pumpRunning~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 0 ~pumpRunning~0)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse9 (= 1 ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~systemActive~0 1))) (and (or .cse0 (or .cse1 .cse2) .cse3 .cse4) (or (or .cse5 .cse1 .cse2) .cse3 .cse0) (or .cse6 (or .cse5 (< 1 |old(~waterLevel~0)|) .cse7 .cse2)) (or .cse5 .cse7 .cse8 .cse2 .cse9) (or (and .cse6 .cse10) .cse7 .cse3 .cse4 .cse2) (or .cse5 .cse7 (and .cse10 (<= ~waterLevel~0 2)) .cse3 .cse2) (or .cse9 .cse7 .cse8 .cse4 .cse2)))) [2018-12-01 18:35:00,105 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2018-12-01 18:35:00,105 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (< ~systemActive~0 1))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse10 (or .cse7 .cse0 .cse1)) (.cse5 (<= ~waterLevel~0 0)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= 0 ~pumpRunning~0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse12 (= 1 ~waterLevel~0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1) .cse2 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse3) (and .cse4 .cse3 .cse5) .cse6) (or .cse4 (or .cse7 .cse8 .cse9 .cse1)) (or .cse10 (and (<= ~waterLevel~0 1) .cse3) .cse2) (or .cse7 .cse9 .cse11 .cse1 .cse12) (or .cse8 .cse10 (and .cse4 .cse5)) (or (and .cse4 .cse13) .cse9 .cse2 .cse6 .cse1) (or .cse7 .cse9 (and .cse13 (<= ~waterLevel~0 2)) .cse2 .cse1) (or .cse12 .cse9 .cse11 .cse6 .cse1)))) [2018-12-01 18:35:00,105 INFO L444 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse17 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse18 (<= ~waterLevel~0 0)) (.cse19 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse16 (= 0 ~pumpRunning~0))) (let ((.cse11 (and .cse19 .cse16)) (.cse12 (and .cse17 .cse16 .cse18)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (and .cse19 .cse4)) (.cse10 (and .cse17 .cse4 .cse18)) (.cse2 (and .cse17 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse16 (<= ~waterLevel~0 1) (<= 1 ~systemActive~0))) (.cse3 (<= ~waterLevel~0 2)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse15 (< 1 |old(~waterLevel~0)|)) (.cse14 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5 .cse6) (or (or .cse7 .cse8 .cse6) .cse9 .cse1 .cse10 .cse11 .cse12) (or .cse11 .cse12 (or .cse8 .cse6) .cse1 .cse9 .cse10 .cse5) (or .cse7 .cse0 .cse13 .cse6 .cse14) (or (or .cse15 .cse0 .cse6) .cse2 .cse5) (or .cse7 .cse0 (and .cse16 .cse3) .cse1 .cse6) (or (or .cse7 .cse15 .cse0 .cse6) .cse17) (or .cse14 .cse0 .cse13 .cse5 .cse6)))) [2018-12-01 18:35:00,105 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2018-12-01 18:35:00,105 INFO L444 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< ~systemActive~0 1))) (let ((.cse1 (or .cse7 .cse8 .cse5)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (<= ~waterLevel~0 2) .cse0) .cse1 .cse2) (or (< 1 |old(~waterLevel~0)|) .cse1 (<= ~waterLevel~0 1)) (or .cse3 .cse2 .cse4 .cse5) (or (< 0 |old(~waterLevel~0)|) .cse1 .cse6) (or .cse7 .cse3 .cse2 .cse5) (or (or .cse8 .cse5) .cse2 (and .cse6 .cse0) .cse4)))) [2018-12-01 18:35:00,105 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-12-01 18:35:00,105 INFO L451 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-01 18:35:00,106 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-12-01 18:35:00,106 INFO L451 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2018-12-01 18:35:00,106 INFO L451 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-12-01 18:35:00,106 INFO L451 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-12-01 18:35:00,106 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 121 129) no Hoare annotation was computed. [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2018-12-01 18:35:00,106 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse2 .cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0) .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse3) (or .cse4 .cse5 .cse6 .cse3))) [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-01 18:35:00,107 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse2 .cse5 .cse6 .cse7 .cse3) (or .cse4 .cse1 .cse6 .cse7 .cse3))) [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-01 18:35:00,107 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-01 18:35:00,107 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse2 .cse5 .cse6 .cse3) (or .cse4 .cse1 .cse6 .cse3))) [2018-12-01 18:35:00,108 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (or (= 0 ~pumpRunning~0) (< ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 85 96) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (<= 1 ~systemActive~0)) [2018-12-01 18:35:00,108 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse5 (< ~systemActive~0 1))) (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (or .cse6 .cse8 .cse5)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1) (or .cse2 .cse3 .cse1 .cse4 .cse5) (or (or .cse6 .cse2 .cse3 .cse5) .cse1) (or .cse2 .cse0 (<= ~waterLevel~0 1)) (or .cse6 .cse3 (<= ~waterLevel~0 2) .cse7 .cse5) (or .cse7 .cse8 .cse4 .cse1 .cse5)))) [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-12-01 18:35:00,108 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2018-12-01 18:35:00,108 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2018-12-01 18:35:00,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 06:35:00 BoogieIcfgContainer [2018-12-01 18:35:00,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 18:35:00,117 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 18:35:00,117 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 18:35:00,117 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 18:35:00,117 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:34:50" (3/4) ... [2018-12-01 18:35:00,120 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 18:35:00,126 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 18:35:00,127 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 18:35:00,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 18:35:00,128 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 18:35:00,132 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 18:35:00,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 18:35:00,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 18:35:00,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 18:35:00,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 18:35:00,133 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 18:35:00,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) [2018-12-01 18:35:00,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 [2018-12-01 18:35:00,179 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3acee439-e39f-453e-a7d7-2c63a36c8019/bin-2019/uautomizer/witness.graphml [2018-12-01 18:35:00,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 18:35:00,180 INFO L168 Benchmark]: Toolchain (without parser) took 10866.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 449.8 MB). Free memory was 950.6 MB in the beginning and 857.1 MB in the end (delta: 93.5 MB). Peak memory consumption was 543.3 MB. Max. memory is 11.5 GB. [2018-12-01 18:35:00,180 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:35:00,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-01 18:35:00,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:35:00,181 INFO L168 Benchmark]: Boogie Preprocessor took 21.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 18:35:00,181 INFO L168 Benchmark]: RCFGBuilder took 322.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:35:00,181 INFO L168 Benchmark]: TraceAbstraction took 10081.39 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 338.7 MB). Free memory was 1.0 GB in the beginning and 871.0 MB in the end (delta: 172.1 MB). Peak memory consumption was 534.6 MB. Max. memory is 11.5 GB. [2018-12-01 18:35:00,181 INFO L168 Benchmark]: Witness Printer took 62.46 ms. Allocated memory is still 1.5 GB. Free memory was 871.0 MB in the beginning and 857.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-01 18:35:00,182 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 322.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10081.39 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 338.7 MB). Free memory was 1.0 GB in the beginning and 871.0 MB in the end (delta: 172.1 MB). Peak memory consumption was 534.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.46 ms. Allocated memory is still 1.5 GB. Free memory was 871.0 MB in the beginning and 857.1 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || systemActive < 1) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 10.0s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 4.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2550 SDtfs, 1985 SDslu, 10087 SDs, 0 SdLazy, 6037 SolverSat, 999 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 740 GetRequests, 591 SyntacticMatches, 1 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 584 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1204occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 324 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 3695 PreInvPairs, 4130 NumberOfFragments, 2844 HoareAnnotationTreeSize, 3695 FomulaSimplifications, 18910 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 62 FomulaSimplificationsInter, 25544 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1886 NumberOfCodeBlocks, 1886 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 1868 ConstructedInterpolants, 0 QuantifiedInterpolants, 346681 SizeOfPredicates, 22 NumberOfNonLiveVariables, 3291 ConjunctsInSsa, 75 ConjunctsInUnsatCore, 18 InterpolantComputations, 12 PerfectInterpolantSequences, 254/276 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...