./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/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 59e8ffce74c1b6945f19c84278937c63a4a3dd33 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:11:49,586 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:11:49,587 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:11:49,594 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:11:49,595 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:11:49,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:11:49,596 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:11:49,597 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:11:49,598 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:11:49,599 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:11:49,599 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:11:49,599 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:11:49,600 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:11:49,601 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:11:49,602 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:11:49,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:11:49,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:11:49,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:11:49,606 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:11:49,607 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:11:49,608 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:11:49,609 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:11:49,611 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:11:49,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:11:49,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:11:49,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:11:49,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:11:49,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:11:49,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:11:49,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:11:49,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:11:49,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:11:49,615 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:11:49,615 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:11:49,616 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:11:49,616 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:11:49,617 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:11:49,627 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:11:49,627 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:11:49,628 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:11:49,628 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:11:49,628 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:11:49,628 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:11:49,628 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:11:49,628 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:11:49,629 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:11:49,629 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:11:49,629 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:11:49,629 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:11:49,629 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:11:49,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:11:49,630 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:11:49,630 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:11:49,630 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:11:49,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:11:49,630 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:11:49,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:11:49,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:11:49,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:11:49,632 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:11:49,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:11:49,633 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:11:49,633 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_bc83ae9f-8ae4-4326-9439-f8d440981d79/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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-11-18 15:11:49,656 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:11:49,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:11:49,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:11:49,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:11:49,667 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:11:49,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-18 15:11:49,703 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/data/9c24d3930/2ffa3891dcbb4b38b1bd8a11a789440c/FLAG4b7864712 [2018-11-18 15:11:50,136 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:11:50,136 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-18 15:11:50,145 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/data/9c24d3930/2ffa3891dcbb4b38b1bd8a11a789440c/FLAG4b7864712 [2018-11-18 15:11:50,154 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/data/9c24d3930/2ffa3891dcbb4b38b1bd8a11a789440c [2018-11-18 15:11:50,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:11:50,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:11:50,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:50,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:11:50,160 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:11:50,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50, skipping insertion in model container [2018-11-18 15:11:50,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:11:50,197 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:11:50,393 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:50,400 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:11:50,503 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:11:50,519 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:11:50,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50 WrapperNode [2018-11-18 15:11:50,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:11:50,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:50,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:11:50,520 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:11:50,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:11:50,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:11:50,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:11:50,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:11:50,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... [2018-11-18 15:11:50,569 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:11:50,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:11:50,570 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:11:50,570 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:11:50,571 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:11:50,604 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:11:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:11:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:11:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:11:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:11:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:11:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:11:50,605 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:11:50,605 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:11:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:11:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:11:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:11:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:11:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:11:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:11:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:11:50,606 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:11:50,606 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:11:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:11:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:11:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:11:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:11:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:11:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:11:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:11:50,607 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:11:50,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:11:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:11:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:11:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:11:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:11:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:11:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:11:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:11:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:11:50,608 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 15:11:50,608 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 15:11:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:11:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:11:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:11:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:11:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:11:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:11:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:11:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:11:50,609 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:11:50,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:11:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:11:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:11:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:11:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:11:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:11:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:11:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:11:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:11:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:11:50,610 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:11:50,610 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 15:11:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 15:11:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:11:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:11:50,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:11:50,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:11:51,047 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:11:51,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:51 BoogieIcfgContainer [2018-11-18 15:11:51,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:11:51,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:11:51,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:11:51,051 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:11:51,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:11:50" (1/3) ... [2018-11-18 15:11:51,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7446e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:11:51, skipping insertion in model container [2018-11-18 15:11:51,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:11:50" (2/3) ... [2018-11-18 15:11:51,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7446e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:11:51, skipping insertion in model container [2018-11-18 15:11:51,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:51" (3/3) ... [2018-11-18 15:11:51,054 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-11-18 15:11:51,062 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:11:51,069 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:11:51,081 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:11:51,107 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:11:51,107 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:11:51,107 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:11:51,107 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:11:51,108 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:11:51,108 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:11:51,108 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:11:51,108 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:11:51,123 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-11-18 15:11:51,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:11:51,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:51,129 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:51,131 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:51,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:51,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1701738480, now seen corresponding path program 1 times [2018-11-18 15:11:51,136 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:51,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:51,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:51,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:51,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:51,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:51,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:51,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:11:51,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:51,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:11:51,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:11:51,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:11:51,367 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-11-18 15:11:51,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:51,404 INFO L93 Difference]: Finished difference Result 310 states and 383 transitions. [2018-11-18 15:11:51,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:11:51,405 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 15:11:51,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:51,415 INFO L225 Difference]: With dead ends: 310 [2018-11-18 15:11:51,415 INFO L226 Difference]: Without dead ends: 155 [2018-11-18 15:11:51,418 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:11:51,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-11-18 15:11:51,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-11-18 15:11:51,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-11-18 15:11:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 183 transitions. [2018-11-18 15:11:51,455 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 183 transitions. Word has length 52 [2018-11-18 15:11:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:51,455 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 183 transitions. [2018-11-18 15:11:51,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:11:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 183 transitions. [2018-11-18 15:11:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 15:11:51,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:51,457 INFO L375 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] [2018-11-18 15:11:51,457 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:51,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:51,458 INFO L82 PathProgramCache]: Analyzing trace with hash -671306921, now seen corresponding path program 1 times [2018-11-18 15:11:51,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:51,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:51,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:51,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:51,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:51,545 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:51,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:11:51,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:51,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:11:51,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:11:51,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:11:51,547 INFO L87 Difference]: Start difference. First operand 155 states and 183 transitions. Second operand 3 states. [2018-11-18 15:11:51,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:51,568 INFO L93 Difference]: Finished difference Result 253 states and 299 transitions. [2018-11-18 15:11:51,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:11:51,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 15:11:51,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:51,572 INFO L225 Difference]: With dead ends: 253 [2018-11-18 15:11:51,572 INFO L226 Difference]: Without dead ends: 145 [2018-11-18 15:11:51,574 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:11:51,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-18 15:11:51,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 15:11:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 15:11:51,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-11-18 15:11:51,584 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 54 [2018-11-18 15:11:51,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:51,584 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-11-18 15:11:51,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:11:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-11-18 15:11:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 15:11:51,586 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:51,586 INFO L375 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] [2018-11-18 15:11:51,586 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:51,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:51,587 INFO L82 PathProgramCache]: Analyzing trace with hash -572797112, now seen corresponding path program 1 times [2018-11-18 15:11:51,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:51,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:51,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:51,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:51,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:51,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:51,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:51,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:11:51,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:51,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:11:51,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:11:51,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:11:51,708 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 7 states. [2018-11-18 15:11:52,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:52,055 INFO L93 Difference]: Finished difference Result 266 states and 317 transitions. [2018-11-18 15:11:52,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:11:52,055 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2018-11-18 15:11:52,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:52,057 INFO L225 Difference]: With dead ends: 266 [2018-11-18 15:11:52,057 INFO L226 Difference]: Without dead ends: 145 [2018-11-18 15:11:52,058 INFO L604 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 [2018-11-18 15:11:52,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-18 15:11:52,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 15:11:52,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 15:11:52,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 169 transitions. [2018-11-18 15:11:52,069 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 169 transitions. Word has length 59 [2018-11-18 15:11:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:52,070 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 169 transitions. [2018-11-18 15:11:52,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:11:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 169 transitions. [2018-11-18 15:11:52,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 15:11:52,072 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:52,072 INFO L375 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] [2018-11-18 15:11:52,072 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:52,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:52,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1764962710, now seen corresponding path program 1 times [2018-11-18 15:11:52,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:52,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:52,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:52,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:52,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:52,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:52,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:52,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:11:52,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:52,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:11:52,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:11:52,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:11:52,175 INFO L87 Difference]: Start difference. First operand 145 states and 169 transitions. Second operand 5 states. [2018-11-18 15:11:52,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:52,573 INFO L93 Difference]: Finished difference Result 387 states and 467 transitions. [2018-11-18 15:11:52,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:11:52,573 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-18 15:11:52,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:52,575 INFO L225 Difference]: With dead ends: 387 [2018-11-18 15:11:52,575 INFO L226 Difference]: Without dead ends: 266 [2018-11-18 15:11:52,576 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:11:52,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-11-18 15:11:52,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 246. [2018-11-18 15:11:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-18 15:11:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 279 transitions. [2018-11-18 15:11:52,597 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 279 transitions. Word has length 77 [2018-11-18 15:11:52,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:52,598 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 279 transitions. [2018-11-18 15:11:52,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:11:52,598 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 279 transitions. [2018-11-18 15:11:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 15:11:52,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:52,600 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:52,600 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:52,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:52,601 INFO L82 PathProgramCache]: Analyzing trace with hash -434017360, now seen corresponding path program 1 times [2018-11-18 15:11:52,601 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:52,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:52,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:52,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:52,602 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:52,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:52,697 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:52,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:11:52,697 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:52,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:11:52,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:11:52,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:11:52,698 INFO L87 Difference]: Start difference. First operand 246 states and 279 transitions. Second operand 6 states. [2018-11-18 15:11:52,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:52,944 INFO L93 Difference]: Finished difference Result 597 states and 710 transitions. [2018-11-18 15:11:52,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:11:52,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-11-18 15:11:52,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:52,948 INFO L225 Difference]: With dead ends: 597 [2018-11-18 15:11:52,948 INFO L226 Difference]: Without dead ends: 375 [2018-11-18 15:11:52,950 INFO L604 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 [2018-11-18 15:11:52,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-11-18 15:11:52,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 371. [2018-11-18 15:11:52,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-18 15:11:52,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 426 transitions. [2018-11-18 15:11:52,974 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 426 transitions. Word has length 91 [2018-11-18 15:11:52,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:52,975 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 426 transitions. [2018-11-18 15:11:52,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:11:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 426 transitions. [2018-11-18 15:11:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:11:52,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:52,976 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:52,977 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:52,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:52,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1576813642, now seen corresponding path program 1 times [2018-11-18 15:11:52,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:52,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:52,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:52,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:52,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:53,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:53,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:53,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:11:53,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:53,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:11:53,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:11:53,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:11:53,077 INFO L87 Difference]: Start difference. First operand 371 states and 426 transitions. Second operand 6 states. [2018-11-18 15:11:53,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:53,296 INFO L93 Difference]: Finished difference Result 810 states and 967 transitions. [2018-11-18 15:11:53,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:11:53,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-18 15:11:53,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:53,300 INFO L225 Difference]: With dead ends: 810 [2018-11-18 15:11:53,300 INFO L226 Difference]: Without dead ends: 588 [2018-11-18 15:11:53,301 INFO L604 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 [2018-11-18 15:11:53,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2018-11-18 15:11:53,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 570. [2018-11-18 15:11:53,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2018-11-18 15:11:53,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 670 transitions. [2018-11-18 15:11:53,333 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 670 transitions. Word has length 95 [2018-11-18 15:11:53,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:53,333 INFO L480 AbstractCegarLoop]: Abstraction has 570 states and 670 transitions. [2018-11-18 15:11:53,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:11:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 670 transitions. [2018-11-18 15:11:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:11:53,335 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:53,335 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:53,335 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:53,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:53,336 INFO L82 PathProgramCache]: Analyzing trace with hash -358846645, now seen corresponding path program 1 times [2018-11-18 15:11:53,336 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:53,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:53,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:53,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:53,337 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:53,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:53,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:11:53,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:53,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:11:53,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:11:53,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:11:53,390 INFO L87 Difference]: Start difference. First operand 570 states and 670 transitions. Second operand 5 states. [2018-11-18 15:11:53,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:53,424 INFO L93 Difference]: Finished difference Result 1001 states and 1203 transitions. [2018-11-18 15:11:53,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:11:53,424 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-11-18 15:11:53,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:53,427 INFO L225 Difference]: With dead ends: 1001 [2018-11-18 15:11:53,427 INFO L226 Difference]: Without dead ends: 580 [2018-11-18 15:11:53,428 INFO L604 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 [2018-11-18 15:11:53,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 580 states. [2018-11-18 15:11:53,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 580 to 574. [2018-11-18 15:11:53,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-11-18 15:11:53,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 673 transitions. [2018-11-18 15:11:53,464 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 673 transitions. Word has length 95 [2018-11-18 15:11:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:53,464 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 673 transitions. [2018-11-18 15:11:53,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:11:53,464 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 673 transitions. [2018-11-18 15:11:53,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 15:11:53,466 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:53,466 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:53,466 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:53,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:53,466 INFO L82 PathProgramCache]: Analyzing trace with hash 300684877, now seen corresponding path program 1 times [2018-11-18 15:11:53,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:53,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:53,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:53,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:53,467 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:53,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:53,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 15:11:53,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:53,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 15:11:53,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 15:11:53,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:11:53,567 INFO L87 Difference]: Start difference. First operand 574 states and 673 transitions. Second operand 9 states. [2018-11-18 15:11:53,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:53,631 INFO L93 Difference]: Finished difference Result 1128 states and 1350 transitions. [2018-11-18 15:11:53,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:11:53,632 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-11-18 15:11:53,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:53,635 INFO L225 Difference]: With dead ends: 1128 [2018-11-18 15:11:53,635 INFO L226 Difference]: Without dead ends: 578 [2018-11-18 15:11:53,636 INFO L604 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 [2018-11-18 15:11:53,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-11-18 15:11:53,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 572. [2018-11-18 15:11:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 572 states. [2018-11-18 15:11:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 669 transitions. [2018-11-18 15:11:53,667 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 669 transitions. Word has length 95 [2018-11-18 15:11:53,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:53,668 INFO L480 AbstractCegarLoop]: Abstraction has 572 states and 669 transitions. [2018-11-18 15:11:53,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 15:11:53,668 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 669 transitions. [2018-11-18 15:11:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 15:11:53,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:53,671 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:53,671 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:53,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:53,671 INFO L82 PathProgramCache]: Analyzing trace with hash 659424292, now seen corresponding path program 1 times [2018-11-18 15:11:53,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:53,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:53,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:53,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:53,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:53,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:11:53,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:11:53,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:11:53,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:53,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:11:53,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:11:53,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:11:53,777 INFO L87 Difference]: Start difference. First operand 572 states and 669 transitions. Second operand 10 states. [2018-11-18 15:11:54,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:54,035 INFO L93 Difference]: Finished difference Result 1126 states and 1320 transitions. [2018-11-18 15:11:54,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 15:11:54,035 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 96 [2018-11-18 15:11:54,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:54,037 INFO L225 Difference]: With dead ends: 1126 [2018-11-18 15:11:54,037 INFO L226 Difference]: Without dead ends: 578 [2018-11-18 15:11:54,038 INFO L604 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 [2018-11-18 15:11:54,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2018-11-18 15:11:54,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 557. [2018-11-18 15:11:54,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-18 15:11:54,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 634 transitions. [2018-11-18 15:11:54,055 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 634 transitions. Word has length 96 [2018-11-18 15:11:54,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:54,055 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 634 transitions. [2018-11-18 15:11:54,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:11:54,055 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 634 transitions. [2018-11-18 15:11:54,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:11:54,057 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:54,057 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:54,057 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:54,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:54,057 INFO L82 PathProgramCache]: Analyzing trace with hash 1120675165, now seen corresponding path program 1 times [2018-11-18 15:11:54,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:54,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:54,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:54,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:54,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 15:11:54,106 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:54,106 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:11:54,107 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-18 15:11:54,108 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [106], [109], [121], [122], [123], [124], [125], [127], [130], [134], [135], [136], [137], [147], [150], [154], [160], [188], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [223], [227], [230], [232], [235], [245], [250], [254], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [307], [308], [311], [312], [313], [314], [315], [316], [317], [318], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-18 15:11:54,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:11:54,134 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:11:54,641 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:11:54,643 INFO L272 AbstractInterpreter]: Visited 67 different actions 100 times. Merged at 6 different actions 6 times. Never widened. Performed 5224 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 15:11:54,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:54,657 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:11:54,919 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.39% of their original sizes. [2018-11-18 15:11:54,919 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:11:55,027 INFO L415 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2018-11-18 15:11:55,027 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:11:55,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:11:55,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-18 15:11:55,028 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:11:55,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:11:55,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:11:55,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:11:55,029 INFO L87 Difference]: Start difference. First operand 557 states and 634 transitions. Second operand 19 states. [2018-11-18 15:11:58,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:11:58,419 INFO L93 Difference]: Finished difference Result 1258 states and 1462 transitions. [2018-11-18 15:11:58,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 15:11:58,419 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 145 [2018-11-18 15:11:58,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:11:58,422 INFO L225 Difference]: With dead ends: 1258 [2018-11-18 15:11:58,422 INFO L226 Difference]: Without dead ends: 725 [2018-11-18 15:11:58,423 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-11-18 15:11:58,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2018-11-18 15:11:58,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 714. [2018-11-18 15:11:58,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2018-11-18 15:11:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 807 transitions. [2018-11-18 15:11:58,455 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 807 transitions. Word has length 145 [2018-11-18 15:11:58,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:11:58,455 INFO L480 AbstractCegarLoop]: Abstraction has 714 states and 807 transitions. [2018-11-18 15:11:58,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:11:58,455 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 807 transitions. [2018-11-18 15:11:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 15:11:58,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:11:58,457 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:11:58,458 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:11:58,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:58,458 INFO L82 PathProgramCache]: Analyzing trace with hash -994859844, now seen corresponding path program 1 times [2018-11-18 15:11:58,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:11:58,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:58,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:58,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:11:58,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:11:58,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:11:58,542 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:11:58,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:58,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:11:58,542 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-18 15:11:58,543 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [106], [109], [121], [122], [123], [124], [125], [127], [132], [134], [135], [136], [137], [142], [144], [147], [150], [154], [160], [188], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [223], [227], [230], [232], [235], [245], [250], [254], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [303], [304], [307], [308], [311], [312], [313], [314], [315], [316], [317], [318], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-18 15:11:58,546 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:11:58,546 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:11:59,987 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:11:59,987 INFO L272 AbstractInterpreter]: Visited 126 different actions 785 times. Merged at 22 different actions 70 times. Never widened. Performed 40937 root evaluator evaluations with a maximum evaluation depth of 3. Performed 40937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 6 different actions. Largest state had 133 variables. [2018-11-18 15:11:59,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:11:59,990 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:11:59,990 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:11:59,990 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:11:59,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:11:59,997 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:12:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:12:00,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:12:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 15:12:00,223 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:12:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 15:12:00,509 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:12:00,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 12 [2018-11-18 15:12:00,509 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:12:00,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:12:00,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:12:00,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:12:00,510 INFO L87 Difference]: Start difference. First operand 714 states and 807 transitions. Second operand 6 states. [2018-11-18 15:12:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:12:00,730 INFO L93 Difference]: Finished difference Result 1711 states and 1987 transitions. [2018-11-18 15:12:00,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:12:00,731 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-18 15:12:00,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:12:00,735 INFO L225 Difference]: With dead ends: 1711 [2018-11-18 15:12:00,736 INFO L226 Difference]: Without dead ends: 1178 [2018-11-18 15:12:00,737 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 293 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:12:00,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2018-11-18 15:12:00,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1178. [2018-11-18 15:12:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2018-11-18 15:12:00,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1337 transitions. [2018-11-18 15:12:00,791 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1337 transitions. Word has length 149 [2018-11-18 15:12:00,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:12:00,792 INFO L480 AbstractCegarLoop]: Abstraction has 1178 states and 1337 transitions. [2018-11-18 15:12:00,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:12:00,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1337 transitions. [2018-11-18 15:12:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-18 15:12:00,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:12:00,796 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:12:00,796 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:12:00,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:12:00,796 INFO L82 PathProgramCache]: Analyzing trace with hash -435892064, now seen corresponding path program 1 times [2018-11-18 15:12:00,797 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:12:00,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:12:00,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:12:00,798 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:12:00,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:12:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:12:00,871 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:12:00,871 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:12:00,871 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:12:00,872 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-11-18 15:12:00,872 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [106], [109], [121], [122], [123], [124], [125], [127], [132], [134], [135], [136], [137], [147], [150], [154], [160], [188], [189], [190], [192], [195], [197], [199], [202], [204], [209], [215], [218], [222], [223], [227], [230], [232], [235], [245], [250], [254], [255], [258], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [285], [289], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [307], [308], [311], [312], [313], [314], [315], [316], [317], [318], [323], [324], [325], [326], [327], [328], [329], [331], [332], [333], [335], [336], [337], [338], [349], [350] [2018-11-18 15:12:00,875 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:12:00,875 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:12:01,347 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 15:12:01,348 INFO L272 AbstractInterpreter]: Visited 100 different actions 124 times. Merged at 6 different actions 6 times. Never widened. Performed 6735 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6735 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 15:12:01,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:12:01,361 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 15:12:01,361 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:12:01,361 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:12:01,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:12:01,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 15:12:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:12:01,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:12:01,609 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:12:01,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 15:12:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-11-18 15:12:01,936 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 15:12:01,936 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 15:12:01,936 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 15:12:01,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 15:12:01,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 15:12:01,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 15:12:01,937 INFO L87 Difference]: Start difference. First operand 1178 states and 1337 transitions. Second operand 15 states. [2018-11-18 15:12:04,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:12:04,228 INFO L93 Difference]: Finished difference Result 2770 states and 3546 transitions. [2018-11-18 15:12:04,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 15:12:04,229 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 145 [2018-11-18 15:12:04,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:12:04,230 INFO L225 Difference]: With dead ends: 2770 [2018-11-18 15:12:04,230 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:12:04,237 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 280 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 15:12:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:12:04,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:12:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:12:04,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:12:04,238 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 145 [2018-11-18 15:12:04,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:12:04,238 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:12:04,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 15:12:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:12:04,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:12:04,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:12:04,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:04,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:12:05,022 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 28 [2018-11-18 15:12:05,575 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2018-11-18 15:12:05,705 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 50 [2018-11-18 15:12:06,068 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 52 [2018-11-18 15:12:06,527 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 55 [2018-11-18 15:12:06,993 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-11-18 15:12:07,410 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2018-11-18 15:12:07,515 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2018-11-18 15:12:07,647 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 38 [2018-11-18 15:12:07,933 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 36 [2018-11-18 15:12:08,457 WARN L180 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2018-11-18 15:12:08,573 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-11-18 15:12:08,573 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-18 15:12:08,573 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-11-18 15:12:08,573 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-11-18 15:12:08,573 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-11-18 15:12:08,573 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) 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))) [2018-11-18 15:12:08,573 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-11-18 15:12:08,573 INFO L421 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:12:08,573 INFO L421 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L421 ceAbstractionStarter]: At program point L236(line 236) 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))) [2018-11-18 15:12:08,574 INFO L421 ceAbstractionStarter]: At program point L235(line 235) 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))) [2018-11-18 15:12:08,574 INFO L421 ceAbstractionStarter]: At program point L235-1(line 235) 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))) [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L425 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-11-18 15:12:08,574 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L428 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-11-18 15:12:08,575 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) 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))) [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-18 15:12:08,575 INFO L428 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-11-18 15:12:08,575 INFO L425 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:12:08,576 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L421 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse5 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse3 .cse4 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,576 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L421 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse5 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse3 .cse4 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,576 INFO L425 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-11-18 15:12:08,576 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:12:08,576 INFO L421 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse3 .cse7))) [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L421 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse5 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse3 .cse4 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-18 15:12:08,577 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 699 764) 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))) [2018-11-18 15:12:08,577 INFO L421 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse6 .cse5 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-18 15:12:08,577 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-18 15:12:08,578 INFO L421 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:12:08,578 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse5 .cse7 .cse3 .cse4) (and .cse0 .cse6 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 15:12:08,578 INFO L425 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-18 15:12:08,578 INFO L425 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-18 15:12:08,578 INFO L425 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-18 15:12:08,578 INFO L425 ceAbstractionStarter]: For program point L709-1(lines 709 756) no Hoare annotation was computed. [2018-11-18 15:12:08,578 INFO L421 ceAbstractionStarter]: At program point L757(lines 708 758) 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))) [2018-11-18 15:12:08,578 INFO L425 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-18 15:12:08,578 INFO L421 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (and (= ~waterLevel~0 2) .cse6 .cse3 .cse4)) (and .cse0 (<= ~waterLevel~0 1) .cse6 .cse3 .cse4))) [2018-11-18 15:12:08,578 INFO L425 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L421 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (and (= ~waterLevel~0 2) .cse6 .cse3 .cse4)) (and .cse0 (<= ~waterLevel~0 1) .cse6 .cse3 .cse4))) [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-11-18 15:12:08,579 INFO L428 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse4 (or (not (= 1 ~pumpRunning~0)) .cse2)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2 .cse3) (or (= ~methaneLevelCritical~0 0) .cse4 .cse1 .cse3) (or .cse5 .cse0 .cse6 .cse1 .cse2) (or .cse6 .cse5 .cse4 .cse1)))) [2018-11-18 15:12:08,580 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-11-18 15:12:08,580 INFO L421 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse13 (not (= |old(~waterLevel~0)| 2))) (.cse11 (or .cse14 .cse1))) (let ((.cse7 (and (or .cse14 .cse1 .cse3) (or (or .cse4 .cse13) .cse11))) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse2 (= 1 ~waterLevel~0)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse12 .cse6)) (.cse10 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6) .cse7 .cse4) (or .cse8 .cse7 .cse5) (or .cse0 .cse9 .cse10 .cse1 .cse4) (or .cse8 .cse0 .cse1 .cse3 .cse2) (or (< 1 |old(~waterLevel~0)|) .cse11 .cse9 .cse4) (or .cse8 (and .cse12 (<= ~waterLevel~0 1) .cse6) .cse11 .cse10) (or .cse0 (= ~waterLevel~0 2) .cse1 .cse4 .cse13) (or .cse8 .cse0 .cse9 .cse10 .cse1))))) [2018-11-18 15:12:08,581 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse18 (= ~systemActive~0 1))) (let ((.cse19 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not .cse18)) (.cse16 (= ~methaneLevelCritical~0 0))) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= ~waterLevel~0 2)) (.cse6 (= 1 ~waterLevel~0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not .cse16)) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse9 (or .cse19 .cse5))) (let ((.cse2 (and (or .cse19 .cse5 .cse7) (or (or .cse3 .cse15) .cse9))) (.cse1 (let ((.cse17 (= ~pumpRunning~0 1))) (or (and (and .cse14 .cse16) .cse17 .cse18 .cse8) (and .cse6 .cse17 .cse18 .cse8)))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and .cse12 .cse8)) (.cse10 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3) (or (and (<= ~waterLevel~0 2) .cse8) .cse0 .cse9 .cse10) (or .cse0 .cse11 .cse9 .cse12) (or .cse4 .cse13 .cse10 .cse5 .cse3) (or .cse11 .cse9 .cse13 .cse3) (or .cse0 .cse4 .cse5 .cse7 .cse6) (or .cse4 .cse14 .cse5 .cse3 .cse15) (or .cse0 .cse4 .cse13 .cse10 .cse5)))))) [2018-11-18 15:12:08,581 INFO L421 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse18 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (not (= ~systemActive~0 1)))) (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse18 .cse12))) (let ((.cse11 (= 1 ~waterLevel~0)) (.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (and (or .cse18 .cse12 .cse13) (or (or .cse5 .cse15) .cse1))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse17 (< 2 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (= ~pumpRunning~0 1)) (.cse4 (and .cse2 .cse7))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (and .cse6 .cse7) .cse8 (and .cse6 .cse3) .cse5) (or .cse9 .cse10 .cse11 .cse12 .cse13) (or .cse10 .cse12 (and .cse11 .cse7) .cse13 .cse5) (or .cse9 .cse0 .cse10 .cse2 .cse12) (or .cse10 (and .cse14 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse12 .cse5 .cse15) (or .cse9 .cse10 (and .cse16 .cse7) .cse17 (and (<= ~waterLevel~0 2) .cse14) .cse12) (or .cse9 .cse6 .cse8) (or .cse9 (and .cse2 .cse16 .cse7) .cse1 (and .cse2 .cse3 .cse16) .cse17) (or .cse0 .cse10 (and .cse2 .cse14) .cse12 .cse5 .cse4))))) [2018-11-18 15:12:08,581 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-18 15:12:08,581 INFO L421 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse13 (= ~systemActive~0 1))) (let ((.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not .cse13)) (.cse14 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not .cse14)) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse8 (or .cse11 .cse6)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (let ((.cse12 (= ~pumpRunning~0 1))) (or (and (= 1 ~waterLevel~0) .cse12 .cse13 .cse10) (and .cse12 .cse10 (and (= ~waterLevel~0 2) .cse14 .cse13))))) (.cse0 (and (or .cse11 .cse6 (not (= |old(~waterLevel~0)| 1))) (or (or .cse2 .cse9) .cse8))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse7 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse10)) (.cse4 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse5 .cse2) (or .cse1 .cse3 .cse0) (or .cse3 .cse8 .cse5 .cse7) (or .cse4 .cse6 .cse2 .cse9) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse6 .cse2)))))) [2018-11-18 15:12:08,581 INFO L425 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-18 15:12:08,581 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-18 15:12:08,581 INFO L428 ceAbstractionStarter]: At program point L163-3(lines 163 177) the Hoare annotation is: true [2018-11-18 15:12:08,581 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-11-18 15:12:08,581 INFO L428 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L428 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L428 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 177) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L421 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L425 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-11-18 15:12:08,582 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-11-18 15:12:08,583 INFO L421 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (< 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4) (or .cse0 .cse6 .cse5 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) .cse6 .cse5 .cse3 .cse4))) [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L421 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse5 .cse6 .cse7 .cse3) (or .cse1 .cse6 .cse7 .cse3 .cse4))) [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L428 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 1))) (.cse8 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (not .cse8)) (.cse3 (or (= ~pumpRunning~0 0) .cse7)) (.cse1 (not (= 1 ~pumpRunning~0)))) (let ((.cse4 (or (= 1 ~waterLevel~0) (and (= ~waterLevel~0 2) .cse8))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (and (or (or .cse6 (not (= |old(~waterLevel~0)| 2))) .cse1 .cse3) (or .cse1 .cse7 (not (= |old(~waterLevel~0)| 1))))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< 2 |old(~waterLevel~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse0 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse2 .cse1 .cse6 .cse3))))) [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-11-18 15:12:08,583 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-11-18 15:12:08,584 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-11-18 15:12:08,584 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-11-18 15:12:08,584 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:12:08,584 INFO L421 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)) [2018-11-18 15:12:08,584 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:12:08,584 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:12:08,584 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:12:08,584 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-18 15:12:08,584 INFO L421 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:12:08,584 INFO L425 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-18 15:12:08,584 INFO L421 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse4 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2) (or .cse5 .cse0 .cse4 .cse1 .cse2) (or .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse6 .cse7 .cse2 .cse3))) [2018-11-18 15:12:08,585 INFO L421 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1)) (.cse5 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 1) .cse2) .cse3 (and .cse4 .cse2) .cse5) (or .cse0 .cse6 .cse7 .cse5) (or .cse1 .cse2 .cse3 .cse5 .cse8) (or .cse1 .cse5 (not (= ~waterLevel~0 1)) .cse8) (or .cse6 .cse7 .cse5 .cse8) (or .cse1 .cse4 .cse5 .cse8 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L421 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse3 .cse7))) [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 1)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse3) (or .cse5 .cse2 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse6)))) [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-11-18 15:12:08,585 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (= 1 ~waterLevel~0)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse4 .cse7) (or .cse0 .cse2 .cse4 .cse8 .cse9) (or (not (= |old(~waterLevel~0)| 2)) .cse6 .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) .cse7) (or .cse2 .cse4 .cse9 .cse8 .cse7) (or .cse6 .cse4 .cse8 .cse7 .cse9) (or .cse0 .cse6 .cse4 .cse8 .cse9) (or .cse0 .cse1 .cse6 .cse4 .cse3) (or .cse1 .cse2 .cse4 .cse7 .cse3) (or (<= ~waterLevel~0 2) .cse0 .cse5 .cse6 .cse4))) [2018-11-18 15:12:08,586 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-18 15:12:08,586 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-11-18 15:12:08,586 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-11-18 15:12:08,586 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-18 15:12:08,586 INFO L425 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-18 15:12:08,586 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-18 15:12:08,586 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse6 .cse3) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-11-18 15:12:08,586 INFO L421 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse3 .cse7))) [2018-11-18 15:12:08,586 INFO L425 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-18 15:12:08,586 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse5 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse3 .cse4 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,586 INFO L421 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse5 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse3 .cse4 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,587 INFO L425 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-18 15:12:08,587 INFO L421 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse4) (or .cse6 .cse5 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse5 .cse3 .cse4 (not (= ~waterLevel~0 2))))) [2018-11-18 15:12:08,587 INFO L425 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-18 15:12:08,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:12:08 BoogieIcfgContainer [2018-11-18 15:12:08,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:12:08,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:12:08,597 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:12:08,597 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:12:08,597 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:11:51" (3/4) ... [2018-11-18 15:12:08,600 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:12:08,605 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:12:08,606 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:12:08,607 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:12:08,607 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 15:12:08,607 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:12:08,607 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:12:08,607 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 15:12:08,613 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 15:12:08,613 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:12:08,613 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:12:08,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((waterLevel <= 2 && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:12:08,637 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 15:12:08,671 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bc83ae9f-8ae4-4326-9439-f8d440981d79/bin-2019/utaipan/witness.graphml [2018-11-18 15:12:08,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:12:08,672 INFO L168 Benchmark]: Toolchain (without parser) took 18515.41 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 990.9 MB). Free memory was 951.1 MB in the beginning and 1.4 GB in the end (delta: -413.8 MB). Peak memory consumption was 577.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:12:08,672 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:12:08,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:12:08,673 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:12:08,673 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:12:08,673 INFO L168 Benchmark]: RCFGBuilder took 477.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:12:08,673 INFO L168 Benchmark]: TraceAbstraction took 17548.47 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 832.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -307.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 15:12:08,673 INFO L168 Benchmark]: Witness Printer took 74.35 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:12:08,675 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -194.8 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 477.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.7 MB). Peak memory consumption was 63.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17548.47 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 832.6 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -307.2 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 74.35 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((waterLevel <= 2 && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 17.4s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 7.6s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2432 SDtfs, 2032 SDslu, 8371 SDs, 0 SdLazy, 4399 SolverSat, 1005 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 890 GetRequests, 737 SyntacticMatches, 18 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1178occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9978979743765911 AbsIntWeakeningRatio, 0.8819444444444444 AbsIntAvgWeakeningVarsNumRemoved, 28.78472222222222 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 86 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 2666 PreInvPairs, 3065 NumberOfFragments, 4041 HoareAnnotationTreeSize, 2666 FomulaSimplifications, 7400 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 69 FomulaSimplificationsInter, 22217 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1447 NumberOfCodeBlocks, 1447 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1725 ConstructedInterpolants, 0 QuantifiedInterpolants, 337518 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1552 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 200/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...