./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_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_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c36260bdfb38a7ddcc128caab61da79dda5fd60 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:50:43,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:50:43,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:50:43,725 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:50:43,725 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:50:43,726 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:50:43,727 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:50:43,728 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:50:43,729 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:50:43,730 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:50:43,730 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:50:43,730 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:50:43,731 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:50:43,731 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:50:43,732 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:50:43,733 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:50:43,733 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:50:43,734 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:50:43,736 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:50:43,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:50:43,737 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:50:43,738 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:50:43,740 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:50:43,740 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:50:43,740 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:50:43,741 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:50:43,741 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:50:43,742 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:50:43,742 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:50:43,743 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:50:43,743 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:50:43,744 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:50:43,744 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:50:43,744 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:50:43,745 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:50:43,745 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:50:43,745 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:50:43,753 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:50:43,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:50:43,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:50:43,754 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:50:43,754 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:50:43,754 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:50:43,754 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:50:43,754 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:50:43,754 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:50:43,755 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:50:43,755 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:50:43,755 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:50:43,755 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:50:43,755 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:50:43,755 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:50:43,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:50:43,757 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:50:43,757 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:50:43,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:50:43,757 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:50:43,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:50:43,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:50:43,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:50:43,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:50:43,758 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:50:43,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:50:43,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:50:43,758 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:50:43,758 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2018-12-03 05:50:43,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:50:43,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:50:43,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:50:43,789 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:50:43,789 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:50:43,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-12-03 05:50:43,830 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/data/37440cf3a/44f4226b340a4b85a5dcd4580b62083b/FLAGa71ccc93f [2018-12-03 05:50:44,235 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:50:44,236 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-12-03 05:50:44,241 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/data/37440cf3a/44f4226b340a4b85a5dcd4580b62083b/FLAGa71ccc93f [2018-12-03 05:50:44,250 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/data/37440cf3a/44f4226b340a4b85a5dcd4580b62083b [2018-12-03 05:50:44,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:50:44,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:50:44,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:50:44,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:50:44,255 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:50:44,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44, skipping insertion in model container [2018-12-03 05:50:44,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,261 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:50:44,281 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:50:44,430 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:50:44,472 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:50:44,514 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:50:44,529 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:50:44,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44 WrapperNode [2018-12-03 05:50:44,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:50:44,530 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:50:44,530 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:50:44,530 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:50:44,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,550 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:50:44,550 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:50:44,550 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:50:44,550 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:50:44,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,558 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,559 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... [2018-12-03 05:50:44,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:50:44,572 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:50:44,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:50:44,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:50:44,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:50:44,603 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 05:50:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 05:50:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:50:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:50:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 05:50:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 05:50:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 05:50:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 05:50:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 05:50:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 05:50:44,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 05:50:44,604 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 05:50:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 05:50:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 05:50:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 05:50:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 05:50:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 05:50:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 05:50:44,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 05:50:44,605 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 05:50:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 05:50:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 05:50:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 05:50:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 05:50:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 05:50:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 05:50:44,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 05:50:44,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 05:50:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 05:50:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 05:50:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 05:50:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 05:50:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 05:50:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:50:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:50:44,607 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-03 05:50:44,607 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-03 05:50:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 05:50:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 05:50:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 05:50:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 05:50:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 05:50:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 05:50:44,608 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 05:50:44,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 05:50:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 05:50:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 05:50:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 05:50:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 05:50:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 05:50:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:50:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:50:44,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 05:50:44,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 05:50:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 05:50:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 05:50:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 05:50:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 05:50:44,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:50:44,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:50:44,923 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:50:44,923 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 05:50:44,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:50:44 BoogieIcfgContainer [2018-12-03 05:50:44,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:50:44,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:50:44,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:50:44,926 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:50:44,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:50:44" (1/3) ... [2018-12-03 05:50:44,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c20590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:50:44, skipping insertion in model container [2018-12-03 05:50:44,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:50:44" (2/3) ... [2018-12-03 05:50:44,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c20590 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:50:44, skipping insertion in model container [2018-12-03 05:50:44,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:50:44" (3/3) ... [2018-12-03 05:50:44,929 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-12-03 05:50:44,935 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:50:44,941 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:50:44,950 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:50:44,971 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:50:44,971 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:50:44,971 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:50:44,971 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:50:44,971 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:50:44,971 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:50:44,972 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:50:44,972 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:50:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-12-03 05:50:44,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 05:50:44,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:44,992 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:44,993 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:44,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:44,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1664615398, now seen corresponding path program 1 times [2018-12-03 05:50:44,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:45,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:45,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,026 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:45,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:45,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 05:50:45,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:45,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 05:50:45,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 05:50:45,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:50:45,178 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-12-03 05:50:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:45,204 INFO L93 Difference]: Finished difference Result 276 states and 339 transitions. [2018-12-03 05:50:45,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 05:50:45,205 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 05:50:45,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:45,212 INFO L225 Difference]: With dead ends: 276 [2018-12-03 05:50:45,212 INFO L226 Difference]: Without dead ends: 138 [2018-12-03 05:50:45,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:50:45,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-12-03 05:50:45,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-12-03 05:50:45,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-12-03 05:50:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-12-03 05:50:45,246 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 52 [2018-12-03 05:50:45,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:45,247 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-12-03 05:50:45,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 05:50:45,247 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-12-03 05:50:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 05:50:45,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:45,249 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] [2018-12-03 05:50:45,249 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:45,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:45,249 INFO L82 PathProgramCache]: Analyzing trace with hash 163545993, now seen corresponding path program 1 times [2018-12-03 05:50:45,249 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:45,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:45,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,250 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:45,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:45,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:45,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:50:45,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:45,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:50:45,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:50:45,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:50:45,323 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 3 states. [2018-12-03 05:50:45,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:45,336 INFO L93 Difference]: Finished difference Result 221 states and 257 transitions. [2018-12-03 05:50:45,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:50:45,336 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 05:50:45,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:45,337 INFO L225 Difference]: With dead ends: 221 [2018-12-03 05:50:45,337 INFO L226 Difference]: Without dead ends: 129 [2018-12-03 05:50:45,338 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:50:45,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-03 05:50:45,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-03 05:50:45,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-03 05:50:45,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 149 transitions. [2018-12-03 05:50:45,345 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 149 transitions. Word has length 53 [2018-12-03 05:50:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:45,345 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 149 transitions. [2018-12-03 05:50:45,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:50:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 149 transitions. [2018-12-03 05:50:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-03 05:50:45,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:45,347 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] [2018-12-03 05:50:45,347 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:45,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:45,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1157605667, now seen corresponding path program 1 times [2018-12-03 05:50:45,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:45,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:45,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:45,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:45,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:45,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:50:45,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:45,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:50:45,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:50:45,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:50:45,412 INFO L87 Difference]: Start difference. First operand 129 states and 149 transitions. Second operand 7 states. [2018-12-03 05:50:45,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:45,581 INFO L93 Difference]: Finished difference Result 234 states and 275 transitions. [2018-12-03 05:50:45,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 05:50:45,582 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-03 05:50:45,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:45,583 INFO L225 Difference]: With dead ends: 234 [2018-12-03 05:50:45,583 INFO L226 Difference]: Without dead ends: 129 [2018-12-03 05:50:45,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:50:45,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-03 05:50:45,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-03 05:50:45,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-03 05:50:45,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 148 transitions. [2018-12-03 05:50:45,593 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 148 transitions. Word has length 58 [2018-12-03 05:50:45,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:45,594 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 148 transitions. [2018-12-03 05:50:45,594 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:50:45,594 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 148 transitions. [2018-12-03 05:50:45,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-03 05:50:45,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:45,595 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] [2018-12-03 05:50:45,595 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:45,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:45,596 INFO L82 PathProgramCache]: Analyzing trace with hash -175626351, now seen corresponding path program 1 times [2018-12-03 05:50:45,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:45,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:45,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:45,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:45,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:45,652 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:45,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 05:50:45,652 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:45,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 05:50:45,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 05:50:45,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 05:50:45,653 INFO L87 Difference]: Start difference. First operand 129 states and 148 transitions. Second operand 5 states. [2018-12-03 05:50:45,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:45,994 INFO L93 Difference]: Finished difference Result 345 states and 413 transitions. [2018-12-03 05:50:45,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:50:45,994 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-03 05:50:45,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:45,996 INFO L225 Difference]: With dead ends: 345 [2018-12-03 05:50:45,996 INFO L226 Difference]: Without dead ends: 240 [2018-12-03 05:50:45,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:50:45,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-12-03 05:50:46,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 221. [2018-12-03 05:50:46,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-12-03 05:50:46,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 251 transitions. [2018-12-03 05:50:46,018 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 251 transitions. Word has length 71 [2018-12-03 05:50:46,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:46,019 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 251 transitions. [2018-12-03 05:50:46,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 05:50:46,019 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 251 transitions. [2018-12-03 05:50:46,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-03 05:50:46,021 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:46,021 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] [2018-12-03 05:50:46,021 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:46,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:46,021 INFO L82 PathProgramCache]: Analyzing trace with hash 293779646, now seen corresponding path program 1 times [2018-12-03 05:50:46,022 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:46,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:46,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,023 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:46,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:46,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:46,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:50:46,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:46,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:50:46,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:50:46,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:50:46,089 INFO L87 Difference]: Start difference. First operand 221 states and 251 transitions. Second operand 6 states. [2018-12-03 05:50:46,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:46,192 INFO L93 Difference]: Finished difference Result 538 states and 643 transitions. [2018-12-03 05:50:46,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:50:46,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-03 05:50:46,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:46,195 INFO L225 Difference]: With dead ends: 538 [2018-12-03 05:50:46,195 INFO L226 Difference]: Without dead ends: 341 [2018-12-03 05:50:46,196 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 [2018-12-03 05:50:46,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-12-03 05:50:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 337. [2018-12-03 05:50:46,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-12-03 05:50:46,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 389 transitions. [2018-12-03 05:50:46,212 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 389 transitions. Word has length 85 [2018-12-03 05:50:46,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:46,212 INFO L480 AbstractCegarLoop]: Abstraction has 337 states and 389 transitions. [2018-12-03 05:50:46,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:50:46,212 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 389 transitions. [2018-12-03 05:50:46,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 05:50:46,213 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:46,213 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:46,213 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:46,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:46,214 INFO L82 PathProgramCache]: Analyzing trace with hash 298673348, now seen corresponding path program 1 times [2018-12-03 05:50:46,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:46,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:46,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:46,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:46,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:46,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:50:46,283 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:46,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:50:46,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:50:46,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:50:46,284 INFO L87 Difference]: Start difference. First operand 337 states and 389 transitions. Second operand 6 states. [2018-12-03 05:50:46,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:46,402 INFO L93 Difference]: Finished difference Result 726 states and 872 transitions. [2018-12-03 05:50:46,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:50:46,402 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-03 05:50:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:46,404 INFO L225 Difference]: With dead ends: 726 [2018-12-03 05:50:46,404 INFO L226 Difference]: Without dead ends: 529 [2018-12-03 05:50:46,405 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 [2018-12-03 05:50:46,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-12-03 05:50:46,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 511. [2018-12-03 05:50:46,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2018-12-03 05:50:46,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 603 transitions. [2018-12-03 05:50:46,425 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 603 transitions. Word has length 89 [2018-12-03 05:50:46,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:46,425 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 603 transitions. [2018-12-03 05:50:46,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:50:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 603 transitions. [2018-12-03 05:50:46,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 05:50:46,426 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:46,426 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:46,427 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:46,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash -624010235, now seen corresponding path program 1 times [2018-12-03 05:50:46,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:46,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:46,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,428 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:46,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:46,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:46,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 05:50:46,465 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:46,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 05:50:46,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 05:50:46,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 05:50:46,465 INFO L87 Difference]: Start difference. First operand 511 states and 603 transitions. Second operand 5 states. [2018-12-03 05:50:46,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:46,485 INFO L93 Difference]: Finished difference Result 892 states and 1074 transitions. [2018-12-03 05:50:46,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-03 05:50:46,485 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-03 05:50:46,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:46,487 INFO L225 Difference]: With dead ends: 892 [2018-12-03 05:50:46,487 INFO L226 Difference]: Without dead ends: 521 [2018-12-03 05:50:46,488 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 [2018-12-03 05:50:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-03 05:50:46,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-12-03 05:50:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-12-03 05:50:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 606 transitions. [2018-12-03 05:50:46,505 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 606 transitions. Word has length 89 [2018-12-03 05:50:46,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:46,505 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 606 transitions. [2018-12-03 05:50:46,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 05:50:46,505 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 606 transitions. [2018-12-03 05:50:46,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-03 05:50:46,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:46,507 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:46,507 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:46,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:46,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1468015737, now seen corresponding path program 1 times [2018-12-03 05:50:46,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:46,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:46,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,508 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:46,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:46,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 05:50:46,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:46,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 05:50:46,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 05:50:46,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:50:46,565 INFO L87 Difference]: Start difference. First operand 515 states and 606 transitions. Second operand 9 states. [2018-12-03 05:50:46,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:46,606 INFO L93 Difference]: Finished difference Result 1012 states and 1214 transitions. [2018-12-03 05:50:46,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 05:50:46,607 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-03 05:50:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:46,609 INFO L225 Difference]: With dead ends: 1012 [2018-12-03 05:50:46,609 INFO L226 Difference]: Without dead ends: 521 [2018-12-03 05:50:46,610 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 [2018-12-03 05:50:46,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-03 05:50:46,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-12-03 05:50:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-12-03 05:50:46,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 604 transitions. [2018-12-03 05:50:46,626 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 604 transitions. Word has length 89 [2018-12-03 05:50:46,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:46,626 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 604 transitions. [2018-12-03 05:50:46,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 05:50:46,626 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 604 transitions. [2018-12-03 05:50:46,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-03 05:50:46,627 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:46,627 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:46,627 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:46,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:46,628 INFO L82 PathProgramCache]: Analyzing trace with hash -2075112032, now seen corresponding path program 1 times [2018-12-03 05:50:46,628 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:46,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:46,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,629 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:50:46,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:50:46,688 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-03 05:50:46,688 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:46,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 05:50:46,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 05:50:46,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:50:46,688 INFO L87 Difference]: Start difference. First operand 515 states and 604 transitions. Second operand 10 states. [2018-12-03 05:50:46,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:46,809 INFO L93 Difference]: Finished difference Result 1012 states and 1190 transitions. [2018-12-03 05:50:46,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 05:50:46,809 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-12-03 05:50:46,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:46,811 INFO L225 Difference]: With dead ends: 1012 [2018-12-03 05:50:46,812 INFO L226 Difference]: Without dead ends: 521 [2018-12-03 05:50:46,813 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 [2018-12-03 05:50:46,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-03 05:50:46,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 500. [2018-12-03 05:50:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2018-12-03 05:50:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 569 transitions. [2018-12-03 05:50:46,828 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 569 transitions. Word has length 90 [2018-12-03 05:50:46,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:46,828 INFO L480 AbstractCegarLoop]: Abstraction has 500 states and 569 transitions. [2018-12-03 05:50:46,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 05:50:46,828 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 569 transitions. [2018-12-03 05:50:46,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-03 05:50:46,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:46,830 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:46,830 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:46,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:46,830 INFO L82 PathProgramCache]: Analyzing trace with hash -270038364, now seen corresponding path program 1 times [2018-12-03 05:50:46,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:46,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:46,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:46,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 05:50:46,880 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:50:46,880 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:50:46,881 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-03 05:50:46,882 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [101], [104], [114], [115], [116], [117], [118], [119], [120], [122], [125], [129], [130], [131], [132], [142], [145], [149], [155], [182], [183], [184], [186], [189], [191], [193], [196], [198], [203], [209], [212], [216], [217], [221], [224], [226], [229], [239], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [298], [299], [300], [301], [302], [304], [305], [306], [308], [309], [310], [311] [2018-12-03 05:50:46,906 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:50:46,907 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:50:47,322 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:50:47,323 INFO L272 AbstractInterpreter]: Visited 63 different actions 93 times. Merged at 6 different actions 6 times. Never widened. Performed 4682 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4682 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-03 05:50:47,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:47,333 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:50:47,608 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.4% of their original sizes. [2018-12-03 05:50:47,608 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:50:47,710 INFO L418 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-12-03 05:50:47,710 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:50:47,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:50:47,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-03 05:50:47,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:50:47,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 05:50:47,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 05:50:47,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-03 05:50:47,712 INFO L87 Difference]: Start difference. First operand 500 states and 569 transitions. Second operand 19 states. [2018-12-03 05:50:50,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:50,240 INFO L93 Difference]: Finished difference Result 1132 states and 1317 transitions. [2018-12-03 05:50:50,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-03 05:50:50,240 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 140 [2018-12-03 05:50:50,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:50,242 INFO L225 Difference]: With dead ends: 1132 [2018-12-03 05:50:50,242 INFO L226 Difference]: Without dead ends: 656 [2018-12-03 05:50:50,244 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-12-03 05:50:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2018-12-03 05:50:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 645. [2018-12-03 05:50:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2018-12-03 05:50:50,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 730 transitions. [2018-12-03 05:50:50,269 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 730 transitions. Word has length 140 [2018-12-03 05:50:50,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:50,269 INFO L480 AbstractCegarLoop]: Abstraction has 645 states and 730 transitions. [2018-12-03 05:50:50,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 05:50:50,269 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 730 transitions. [2018-12-03 05:50:50,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-03 05:50:50,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:50:50,270 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:50:50,271 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:50:50,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:50,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1290081535, now seen corresponding path program 1 times [2018-12-03 05:50:50,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:50:50,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:50,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:50,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:50:50,271 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:50:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:50,326 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-03 05:50:50,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:50:50,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:50:50,326 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-03 05:50:50,327 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [59], [60], [62], [71], [75], [79], [82], [85], [87], [93], [95], [101], [104], [114], [115], [116], [117], [118], [119], [120], [122], [127], [129], [130], [131], [132], [142], [145], [149], [155], [182], [183], [184], [186], [189], [191], [193], [196], [198], [203], [209], [212], [216], [217], [221], [224], [226], [229], [239], [244], [248], [249], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [296], [297], [298], [299], [300], [301], [302], [304], [305], [306], [308], [309], [310], [311] [2018-12-03 05:50:50,329 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:50:50,329 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:50:50,774 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:50:50,775 INFO L272 AbstractInterpreter]: Visited 115 different actions 352 times. Merged at 14 different actions 27 times. Never widened. Performed 12566 root evaluator evaluations with a maximum evaluation depth of 5. Performed 12566 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 4 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-03 05:50:50,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:50:50,781 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:50:50,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:50:50,781 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:50:50,788 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:50:50,788 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:50:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:50:50,872 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:50:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 05:50:50,975 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:50:51,203 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 05:50:51,223 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:50:51,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-03 05:50:51,224 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:50:51,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 05:50:51,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 05:50:51,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-03 05:50:51,225 INFO L87 Difference]: Start difference. First operand 645 states and 730 transitions. Second operand 15 states. [2018-12-03 05:50:52,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:50:52,791 INFO L93 Difference]: Finished difference Result 2079 states and 2851 transitions. [2018-12-03 05:50:52,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-03 05:50:52,791 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 140 [2018-12-03 05:50:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:50:52,792 INFO L225 Difference]: With dead ends: 2079 [2018-12-03 05:50:52,792 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:50:52,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 270 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-03 05:50:52,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:50:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:50:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:50:52,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:50:52,796 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 140 [2018-12-03 05:50:52,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:50:52,796 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:50:52,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 05:50:52,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:50:52,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:50:52,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:50:52,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:52,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:50:53,924 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-12-03 05:50:54,129 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2018-12-03 05:50:54,444 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2018-12-03 05:50:55,168 WARN L180 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-12-03 05:50:55,466 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-12-03 05:50:56,074 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-12-03 05:50:56,339 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-03 05:50:56,539 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-03 05:50:56,705 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 21 [2018-12-03 05:50:57,990 WARN L180 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-12-03 05:50:58,022 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-12-03 05:50:58,022 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-12-03 05:50:58,022 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-03 05:50:58,022 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-12-03 05:50:58,022 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-03 05:50:58,023 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2018-12-03 05:50:58,023 INFO L448 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2018-12-03 05:50:58,023 INFO L448 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-12-03 05:50:58,024 INFO L444 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,024 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,024 INFO L444 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,025 INFO L444 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,025 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2018-12-03 05:50:58,025 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2018-12-03 05:50:58,026 INFO L444 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:50:58,026 INFO L444 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-03 05:50:58,027 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2018-12-03 05:50:58,027 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2018-12-03 05:50:58,027 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2018-12-03 05:50:58,028 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2018-12-03 05:50:58,028 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2018-12-03 05:50:58,028 INFO L451 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2018-12-03 05:50:58,029 INFO L448 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2018-12-03 05:50:58,029 INFO L448 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2018-12-03 05:50:58,029 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2018-12-03 05:50:58,029 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2018-12-03 05:50:58,030 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-12-03 05:50:58,030 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-12-03 05:50:58,031 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,031 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2018-12-03 05:50:58,031 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2018-12-03 05:50:58,032 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-03 05:50:58,032 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2018-12-03 05:50:58,032 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2018-12-03 05:50:58,032 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2018-12-03 05:50:58,033 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-03 05:50:58,033 INFO L444 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-03 05:50:58,033 INFO L448 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2018-12-03 05:50:58,034 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-03 05:50:58,034 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-03 05:50:58,034 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2018-12-03 05:50:58,034 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-03 05:50:58,034 INFO L448 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2018-12-03 05:50:58,034 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2018-12-03 05:50:58,035 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2018-12-03 05:50:58,035 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-12-03 05:50:58,035 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2018-12-03 05:50:58,035 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2018-12-03 05:50:58,036 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2018-12-03 05:50:58,036 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2018-12-03 05:50:58,036 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,037 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2018-12-03 05:50:58,037 INFO L444 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:50:58,037 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-12-03 05:50:58,038 INFO L444 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:50:58,038 INFO L448 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2018-12-03 05:50:58,038 INFO L444 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:50:58,039 INFO L448 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2018-12-03 05:50:58,039 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:50:58,040 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-12-03 05:50:58,040 INFO L448 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2018-12-03 05:50:58,040 INFO L444 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:50:58,040 INFO L444 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:50:58,040 INFO L448 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2018-12-03 05:50:58,040 INFO L448 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2018-12-03 05:50:58,041 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2018-12-03 05:50:58,041 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2018-12-03 05:50:58,041 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2018-12-03 05:50:58,041 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2018-12-03 05:50:58,041 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2018-12-03 05:50:58,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:50:58,041 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 05:50:58,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:50:58,042 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2018-12-03 05:50:58,042 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2018-12-03 05:50:58,042 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-03 05:50:58,042 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2018-12-03 05:50:58,042 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2018-12-03 05:50:58,042 INFO L451 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-12-03 05:50:58,042 INFO L448 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2018-12-03 05:50:58,042 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2018-12-03 05:50:58,042 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-12-03 05:50:58,043 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2018-12-03 05:50:58,043 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-12-03 05:50:58,043 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-12-03 05:50:58,043 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-12-03 05:50:58,043 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-12-03 05:50:58,043 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-12-03 05:50:58,044 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-12-03 05:50:58,044 INFO L444 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-12-03 05:50:58,044 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-12-03 05:50:58,045 INFO L444 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-12-03 05:50:58,045 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2018-12-03 05:50:58,045 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-12-03 05:50:58,045 INFO L448 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2018-12-03 05:50:58,045 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2018-12-03 05:50:58,045 INFO L448 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2018-12-03 05:50:58,045 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2018-12-03 05:50:58,046 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2018-12-03 05:50:58,046 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-12-03 05:50:58,046 INFO L451 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2018-12-03 05:50:58,046 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-03 05:50:58,046 INFO L451 ceAbstractionStarter]: At program point L565-2(lines 565 579) the Hoare annotation is: true [2018-12-03 05:50:58,046 INFO L451 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2018-12-03 05:50:58,046 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-12-03 05:50:58,046 INFO L451 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2018-12-03 05:50:58,046 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-12-03 05:50:58,046 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-12-03 05:50:58,046 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-12-03 05:50:58,047 INFO L451 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2018-12-03 05:50:58,047 INFO L448 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2018-12-03 05:50:58,047 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2018-12-03 05:50:58,047 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2018-12-03 05:50:58,047 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-03 05:50:58,047 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-12-03 05:50:58,047 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse3 .cse1) (or .cse0 .cse3 .cse1) (or (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse1))) [2018-12-03 05:50:58,047 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-12-03 05:50:58,047 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-12-03 05:50:58,047 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse6 .cse4 .cse5 .cse3))) [2018-12-03 05:50:58,048 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-12-03 05:50:58,048 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2018-12-03 05:50:58,048 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:50:58,048 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 05:50:58,049 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:50:58,049 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:50:58,049 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-03 05:50:58,049 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2018-12-03 05:50:58,049 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-03 05:50:58,049 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2018-12-03 05:50:58,049 INFO L444 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-03 05:50:58,049 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse1 (not (= ~waterLevel~0 2))))) [2018-12-03 05:50:58,049 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L444 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse6 .cse5) (or .cse2 .cse4 .cse0 .cse1))) [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-12-03 05:50:58,050 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2018-12-03 05:50:58,051 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2018-12-03 05:50:58,051 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2018-12-03 05:50:58,051 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2018-12-03 05:50:58,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:50:58 BoogieIcfgContainer [2018-12-03 05:50:58,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:50:58,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:50:58,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:50:58,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:50:58,064 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:50:44" (3/4) ... [2018-12-03 05:50:58,067 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:50:58,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 05:50:58,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 05:50:58,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:50:58,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 05:50:58,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 05:50:58,070 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 05:50:58,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 05:50:58,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:50:58,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-03 05:50:58,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 05:50:58,072 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 05:50:58,077 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-03 05:50:58,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 05:50:58,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-03 05:50:58,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 05:50:58,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 05:50:58,079 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 05:50:58,096 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:50:58,097 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:50:58,126 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f0da95a-3527-4002-96b6-66b05a2c9130/bin-2019/utaipan/witness.graphml [2018-12-03 05:50:58,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:50:58,127 INFO L168 Benchmark]: Toolchain (without parser) took 13874.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 415.2 MB). Free memory was 948.1 MB in the beginning and 848.1 MB in the end (delta: 100.0 MB). Peak memory consumption was 515.2 MB. Max. memory is 11.5 GB. [2018-12-03 05:50:58,127 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:50:58,127 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-03 05:50:58,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:50:58,127 INFO L168 Benchmark]: Boogie Preprocessor took 21.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 05:50:58,128 INFO L168 Benchmark]: RCFGBuilder took 352.30 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-12-03 05:50:58,128 INFO L168 Benchmark]: TraceAbstraction took 13138.75 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 312.5 MB). Free memory was 1.0 GB in the beginning and 859.8 MB in the end (delta: 175.0 MB). Peak memory consumption was 542.6 MB. Max. memory is 11.5 GB. [2018-12-03 05:50:58,128 INFO L168 Benchmark]: Witness Printer took 62.64 ms. Allocated memory is still 1.4 GB. Free memory was 859.8 MB in the beginning and 848.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-03 05:50:58,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.81 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 21.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 352.30 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: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13138.75 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 312.5 MB). Free memory was 1.0 GB in the beginning and 859.8 MB in the end (delta: 175.0 MB). Peak memory consumption was 542.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.64 ms. Allocated memory is still 1.4 GB. Free memory was 859.8 MB in the beginning and 848.1 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 151 locations, 1 error locations. SAFE Result, 13.0s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1880 SDtfs, 2083 SDslu, 6781 SDs, 0 SdLazy, 3776 SolverSat, 1192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 564 GetRequests, 427 SyntacticMatches, 14 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 649 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=645occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.9s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9978833301187071 AbsIntWeakeningRatio, 0.935251798561151 AbsIntAvgWeakeningVarsNumRemoved, 28.179856115107913 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 85 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1918 PreInvPairs, 2317 NumberOfFragments, 1875 HoareAnnotationTreeSize, 1918 FomulaSimplifications, 7369 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20156 FormulaSimplificationTreeSizeReductionInter, 4.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1096 NumberOfCodeBlocks, 1096 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1223 ConstructedInterpolants, 0 QuantifiedInterpolants, 222470 SizeOfPredicates, 7 NumberOfNonLiveVariables, 847 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 84/100 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...