./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 19:02:20,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 19:02:20,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 19:02:20,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 19:02:20,527 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 19:02:20,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 19:02:20,528 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 19:02:20,529 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 19:02:20,530 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 19:02:20,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 19:02:20,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 19:02:20,531 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 19:02:20,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 19:02:20,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 19:02:20,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 19:02:20,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 19:02:20,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 19:02:20,534 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 19:02:20,535 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 19:02:20,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 19:02:20,536 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 19:02:20,536 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 19:02:20,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 19:02:20,538 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 19:02:20,538 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 19:02:20,538 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 19:02:20,539 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 19:02:20,539 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 19:02:20,539 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 19:02:20,540 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 19:02:20,540 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 19:02:20,541 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 19:02:20,541 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 19:02:20,541 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 19:02:20,541 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 19:02:20,542 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 19:02:20,542 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 19:02:20,549 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 19:02:20,549 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 19:02:20,549 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 19:02:20,549 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 19:02:20,550 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 19:02:20,550 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 19:02:20,550 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 19:02:20,551 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 19:02:20,551 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:02:20,552 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 19:02:20,552 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 19:02:20,552 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 19:02:20,552 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 19:02:20,552 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 19:02:20,552 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 19:02:20,552 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b859e272d72137c2ddb07ede97bfa3dea2dc5e9 [2018-12-08 19:02:20,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 19:02:20,576 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 19:02:20,578 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 19:02:20,579 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 19:02:20,579 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 19:02:20,579 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-12-08 19:02:20,612 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/data/05d18dc1b/6b4d51a522e042159b25c52f09694fac/FLAG8eb3cea28 [2018-12-08 19:02:21,083 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 19:02:21,084 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/sv-benchmarks/c/product-lines/minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-12-08 19:02:21,090 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/data/05d18dc1b/6b4d51a522e042159b25c52f09694fac/FLAG8eb3cea28 [2018-12-08 19:02:21,597 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/data/05d18dc1b/6b4d51a522e042159b25c52f09694fac [2018-12-08 19:02:21,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 19:02:21,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 19:02:21,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 19:02:21,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 19:02:21,602 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 19:02:21,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@186e2be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21, skipping insertion in model container [2018-12-08 19:02:21,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 19:02:21,630 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 19:02:21,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:02:21,824 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 19:02:21,879 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 19:02:21,894 INFO L195 MainTranslator]: Completed translation [2018-12-08 19:02:21,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21 WrapperNode [2018-12-08 19:02:21,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 19:02:21,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 19:02:21,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 19:02:21,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 19:02:21,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 19:02:21,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 19:02:21,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 19:02:21,916 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 19:02:21,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,934 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... [2018-12-08 19:02:21,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 19:02:21,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 19:02:21,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 19:02:21,938 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 19:02:21,939 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 19:02:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 19:02:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 19:02:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 19:02:21,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 19:02:21,972 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 19:02:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 19:02:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 19:02:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 19:02:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 19:02:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 19:02:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 19:02:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 19:02:21,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 19:02:21,973 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 19:02:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 19:02:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 19:02:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 19:02:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 19:02:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 19:02:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:02:21,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:02:21,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:02:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 19:02:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 19:02:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 19:02:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 19:02:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 19:02:21,975 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 19:02:21,975 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 19:02:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:02:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:02:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 19:02:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 19:02:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 19:02:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 19:02:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 19:02:21,976 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 19:02:21,976 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 19:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 19:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 19:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 19:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 19:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 19:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 19:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 19:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 19:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 19:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 19:02:21,977 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 19:02:21,977 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 19:02:21,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 19:02:21,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 19:02:22,277 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 19:02:22,277 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 19:02:22,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:02:22 BoogieIcfgContainer [2018-12-08 19:02:22,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 19:02:22,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 19:02:22,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 19:02:22,280 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 19:02:22,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 07:02:21" (1/3) ... [2018-12-08 19:02:22,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee2b966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:02:22, skipping insertion in model container [2018-12-08 19:02:22,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 07:02:21" (2/3) ... [2018-12-08 19:02:22,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ee2b966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 07:02:22, skipping insertion in model container [2018-12-08 19:02:22,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:02:22" (3/3) ... [2018-12-08 19:02:22,282 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product49_true-unreach-call_false-termination.cil.c [2018-12-08 19:02:22,288 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 19:02:22,293 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 19:02:22,303 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 19:02:22,321 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 19:02:22,322 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 19:02:22,322 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 19:02:22,322 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 19:02:22,322 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 19:02:22,322 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 19:02:22,322 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 19:02:22,322 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 19:02:22,322 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 19:02:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-12-08 19:02:22,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 19:02:22,340 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:22,340 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:22,342 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:22,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:22,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1919739820, now seen corresponding path program 1 times [2018-12-08 19:02:22,347 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:22,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:22,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:22,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:22,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:22,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:22,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 19:02:22,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 19:02:22,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 19:02:22,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:02:22,500 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-12-08 19:02:22,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:22,521 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2018-12-08 19:02:22,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 19:02:22,522 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 19:02:22,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:22,529 INFO L225 Difference]: With dead ends: 262 [2018-12-08 19:02:22,529 INFO L226 Difference]: Without dead ends: 133 [2018-12-08 19:02:22,531 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 19:02:22,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-08 19:02:22,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-08 19:02:22,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-08 19:02:22,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-12-08 19:02:22,560 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 51 [2018-12-08 19:02:22,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:22,560 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-12-08 19:02:22,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 19:02:22,560 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-12-08 19:02:22,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 19:02:22,562 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:22,562 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:22,562 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:22,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:22,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1005326354, now seen corresponding path program 1 times [2018-12-08 19:02:22,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:22,563 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:22,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:22,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:22,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:22,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:22,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:02:22,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:02:22,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:02:22,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:22,615 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-12-08 19:02:22,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:22,631 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-12-08 19:02:22,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:02:22,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 19:02:22,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:22,633 INFO L225 Difference]: With dead ends: 211 [2018-12-08 19:02:22,633 INFO L226 Difference]: Without dead ends: 124 [2018-12-08 19:02:22,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:22,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-08 19:02:22,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-08 19:02:22,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-08 19:02:22,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-12-08 19:02:22,641 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2018-12-08 19:02:22,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:22,642 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-12-08 19:02:22,642 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:02:22,642 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-12-08 19:02:22,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 19:02:22,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:22,643 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:22,643 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:22,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:22,643 INFO L82 PathProgramCache]: Analyzing trace with hash -462648115, now seen corresponding path program 1 times [2018-12-08 19:02:22,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:22,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:22,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:22,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:22,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:22,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:22,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:02:22,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:02:22,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:02:22,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:02:22,739 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-12-08 19:02:22,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:22,884 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2018-12-08 19:02:22,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:02:22,885 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 19:02:22,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:22,886 INFO L225 Difference]: With dead ends: 220 [2018-12-08 19:02:22,886 INFO L226 Difference]: Without dead ends: 124 [2018-12-08 19:02:22,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:02:22,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-08 19:02:22,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-08 19:02:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-08 19:02:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-12-08 19:02:22,898 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 56 [2018-12-08 19:02:22,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:22,898 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-12-08 19:02:22,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:02:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-12-08 19:02:22,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-08 19:02:22,900 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:22,901 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:22,901 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:22,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:22,901 INFO L82 PathProgramCache]: Analyzing trace with hash 2108365034, now seen corresponding path program 1 times [2018-12-08 19:02:22,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:22,901 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:22,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:22,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:22,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:22,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:22,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 19:02:22,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 19:02:22,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 19:02:22,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 19:02:22,979 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-12-08 19:02:23,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:23,262 INFO L93 Difference]: Finished difference Result 316 states and 383 transitions. [2018-12-08 19:02:23,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 19:02:23,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-08 19:02:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:23,265 INFO L225 Difference]: With dead ends: 316 [2018-12-08 19:02:23,265 INFO L226 Difference]: Without dead ends: 220 [2018-12-08 19:02:23,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:02:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-08 19:02:23,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 202. [2018-12-08 19:02:23,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-12-08 19:02:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 232 transitions. [2018-12-08 19:02:23,289 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 232 transitions. Word has length 69 [2018-12-08 19:02:23,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:23,289 INFO L480 AbstractCegarLoop]: Abstraction has 202 states and 232 transitions. [2018-12-08 19:02:23,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 19:02:23,290 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 232 transitions. [2018-12-08 19:02:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 19:02:23,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:23,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:23,292 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:23,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:23,293 INFO L82 PathProgramCache]: Analyzing trace with hash 923888339, now seen corresponding path program 1 times [2018-12-08 19:02:23,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:23,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:23,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:23,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:23,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:23,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:23,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:23,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:02:23,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:02:23,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:02:23,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:02:23,377 INFO L87 Difference]: Start difference. First operand 202 states and 232 transitions. Second operand 6 states. [2018-12-08 19:02:23,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:23,497 INFO L93 Difference]: Finished difference Result 532 states and 632 transitions. [2018-12-08 19:02:23,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:02:23,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-08 19:02:23,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:23,501 INFO L225 Difference]: With dead ends: 532 [2018-12-08 19:02:23,501 INFO L226 Difference]: Without dead ends: 358 [2018-12-08 19:02:23,503 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:02:23,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-12-08 19:02:23,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 352. [2018-12-08 19:02:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2018-12-08 19:02:23,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 404 transitions. [2018-12-08 19:02:23,532 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 404 transitions. Word has length 83 [2018-12-08 19:02:23,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:23,533 INFO L480 AbstractCegarLoop]: Abstraction has 352 states and 404 transitions. [2018-12-08 19:02:23,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:02:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 404 transitions. [2018-12-08 19:02:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 19:02:23,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:23,535 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:23,535 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:23,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:23,535 INFO L82 PathProgramCache]: Analyzing trace with hash -968028617, now seen corresponding path program 1 times [2018-12-08 19:02:23,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:23,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:23,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:23,536 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:23,536 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:23,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:23,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 19:02:23,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 19:02:23,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 19:02:23,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:02:23,620 INFO L87 Difference]: Start difference. First operand 352 states and 404 transitions. Second operand 7 states. [2018-12-08 19:02:23,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:23,896 INFO L93 Difference]: Finished difference Result 705 states and 832 transitions. [2018-12-08 19:02:23,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 19:02:23,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-08 19:02:23,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:23,899 INFO L225 Difference]: With dead ends: 705 [2018-12-08 19:02:23,899 INFO L226 Difference]: Without dead ends: 381 [2018-12-08 19:02:23,900 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 19:02:23,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-08 19:02:23,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 351. [2018-12-08 19:02:23,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-12-08 19:02:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 401 transitions. [2018-12-08 19:02:23,919 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 401 transitions. Word has length 87 [2018-12-08 19:02:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:23,919 INFO L480 AbstractCegarLoop]: Abstraction has 351 states and 401 transitions. [2018-12-08 19:02:23,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 19:02:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 401 transitions. [2018-12-08 19:02:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 19:02:23,921 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:23,921 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:23,921 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:23,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:23,921 INFO L82 PathProgramCache]: Analyzing trace with hash 319859695, now seen corresponding path program 1 times [2018-12-08 19:02:23,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:23,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:23,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:23,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:23,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:23,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:23,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:23,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 19:02:23,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 19:02:23,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 19:02:23,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 19:02:23,977 INFO L87 Difference]: Start difference. First operand 351 states and 401 transitions. Second operand 6 states. [2018-12-08 19:02:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:24,004 INFO L93 Difference]: Finished difference Result 684 states and 794 transitions. [2018-12-08 19:02:24,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:02:24,005 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 19:02:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:24,006 INFO L225 Difference]: With dead ends: 684 [2018-12-08 19:02:24,007 INFO L226 Difference]: Without dead ends: 361 [2018-12-08 19:02:24,007 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 19:02:24,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-12-08 19:02:24,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-12-08 19:02:24,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-12-08 19:02:24,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 411 transitions. [2018-12-08 19:02:24,025 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 411 transitions. Word has length 88 [2018-12-08 19:02:24,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:24,025 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 411 transitions. [2018-12-08 19:02:24,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 19:02:24,025 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 411 transitions. [2018-12-08 19:02:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 19:02:24,026 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:24,026 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:24,026 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:24,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:24,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1021459569, now seen corresponding path program 1 times [2018-12-08 19:02:24,026 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:24,026 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:24,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:24,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:24,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 19:02:24,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:02:24,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:02:24,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:02:24,097 INFO L87 Difference]: Start difference. First operand 361 states and 411 transitions. Second operand 8 states. [2018-12-08 19:02:24,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:24,119 INFO L93 Difference]: Finished difference Result 708 states and 828 transitions. [2018-12-08 19:02:24,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 19:02:24,119 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-08 19:02:24,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:24,120 INFO L225 Difference]: With dead ends: 708 [2018-12-08 19:02:24,121 INFO L226 Difference]: Without dead ends: 375 [2018-12-08 19:02:24,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:02:24,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-12-08 19:02:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 369. [2018-12-08 19:02:24,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-12-08 19:02:24,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 419 transitions. [2018-12-08 19:02:24,134 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 419 transitions. Word has length 88 [2018-12-08 19:02:24,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:24,134 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 419 transitions. [2018-12-08 19:02:24,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:02:24,134 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 419 transitions. [2018-12-08 19:02:24,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 19:02:24,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:24,135 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:24,136 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:24,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:24,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1548026830, now seen corresponding path program 1 times [2018-12-08 19:02:24,136 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:24,136 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:24,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:24,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:24,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 19:02:24,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 19:02:24,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 19:02:24,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:02:24,180 INFO L87 Difference]: Start difference. First operand 369 states and 419 transitions. Second operand 4 states. [2018-12-08 19:02:24,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:24,296 INFO L93 Difference]: Finished difference Result 1106 states and 1326 transitions. [2018-12-08 19:02:24,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 19:02:24,296 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-08 19:02:24,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:24,300 INFO L225 Difference]: With dead ends: 1106 [2018-12-08 19:02:24,300 INFO L226 Difference]: Without dead ends: 765 [2018-12-08 19:02:24,301 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 19:02:24,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2018-12-08 19:02:24,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 493. [2018-12-08 19:02:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2018-12-08 19:02:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 556 transitions. [2018-12-08 19:02:24,334 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 556 transitions. Word has length 88 [2018-12-08 19:02:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:24,334 INFO L480 AbstractCegarLoop]: Abstraction has 493 states and 556 transitions. [2018-12-08 19:02:24,334 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 19:02:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 556 transitions. [2018-12-08 19:02:24,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 19:02:24,335 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:24,336 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:24,336 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:24,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:24,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1421535980, now seen corresponding path program 1 times [2018-12-08 19:02:24,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:24,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:24,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:24,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:24,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 19:02:24,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 19:02:24,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 19:02:24,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:24,364 INFO L87 Difference]: Start difference. First operand 493 states and 556 transitions. Second operand 3 states. [2018-12-08 19:02:24,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:24,400 INFO L93 Difference]: Finished difference Result 764 states and 876 transitions. [2018-12-08 19:02:24,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 19:02:24,400 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-08 19:02:24,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:24,403 INFO L225 Difference]: With dead ends: 764 [2018-12-08 19:02:24,403 INFO L226 Difference]: Without dead ends: 761 [2018-12-08 19:02:24,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 19:02:24,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2018-12-08 19:02:24,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 634. [2018-12-08 19:02:24,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 634 states. [2018-12-08 19:02:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 725 transitions. [2018-12-08 19:02:24,439 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 725 transitions. Word has length 92 [2018-12-08 19:02:24,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:24,439 INFO L480 AbstractCegarLoop]: Abstraction has 634 states and 725 transitions. [2018-12-08 19:02:24,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 19:02:24,439 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 725 transitions. [2018-12-08 19:02:24,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-08 19:02:24,442 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:24,442 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:24,442 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:24,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:24,442 INFO L82 PathProgramCache]: Analyzing trace with hash -2077363115, now seen corresponding path program 1 times [2018-12-08 19:02:24,442 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:24,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:24,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 19:02:24,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:02:24,500 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 19:02:24,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:02:24,669 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:24,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:02:24,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-08 19:02:24,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 19:02:24,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 19:02:24,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:02:24,688 INFO L87 Difference]: Start difference. First operand 634 states and 725 transitions. Second operand 8 states. [2018-12-08 19:02:24,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:24,767 INFO L93 Difference]: Finished difference Result 1060 states and 1221 transitions. [2018-12-08 19:02:24,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 19:02:24,768 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-08 19:02:24,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:24,769 INFO L225 Difference]: With dead ends: 1060 [2018-12-08 19:02:24,770 INFO L226 Difference]: Without dead ends: 574 [2018-12-08 19:02:24,771 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 19:02:24,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-08 19:02:24,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 574. [2018-12-08 19:02:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2018-12-08 19:02:24,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 646 transitions. [2018-12-08 19:02:24,795 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 646 transitions. Word has length 150 [2018-12-08 19:02:24,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:24,796 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 646 transitions. [2018-12-08 19:02:24,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 19:02:24,796 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 646 transitions. [2018-12-08 19:02:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 19:02:24,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:24,798 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:24,798 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:24,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:24,799 INFO L82 PathProgramCache]: Analyzing trace with hash 532177712, now seen corresponding path program 1 times [2018-12-08 19:02:24,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:24,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:24,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 19:02:24,894 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 19:02:24,894 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 19:02:24,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:24,981 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 19:02:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 19:02:25,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 19:02:25,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-08 19:02:25,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 19:02:25,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 19:02:25,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-08 19:02:25,080 INFO L87 Difference]: Start difference. First operand 574 states and 646 transitions. Second operand 14 states. [2018-12-08 19:02:26,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:26,046 INFO L93 Difference]: Finished difference Result 2072 states and 2717 transitions. [2018-12-08 19:02:26,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-08 19:02:26,047 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 152 [2018-12-08 19:02:26,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:26,051 INFO L225 Difference]: With dead ends: 2072 [2018-12-08 19:02:26,051 INFO L226 Difference]: Without dead ends: 1646 [2018-12-08 19:02:26,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-08 19:02:26,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2018-12-08 19:02:26,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1460. [2018-12-08 19:02:26,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1460 states. [2018-12-08 19:02:26,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1460 states and 1750 transitions. [2018-12-08 19:02:26,109 INFO L78 Accepts]: Start accepts. Automaton has 1460 states and 1750 transitions. Word has length 152 [2018-12-08 19:02:26,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:26,109 INFO L480 AbstractCegarLoop]: Abstraction has 1460 states and 1750 transitions. [2018-12-08 19:02:26,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 19:02:26,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1750 transitions. [2018-12-08 19:02:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-08 19:02:26,111 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 19:02:26,111 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 19:02:26,111 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 19:02:26,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 19:02:26,111 INFO L82 PathProgramCache]: Analyzing trace with hash 459791154, now seen corresponding path program 1 times [2018-12-08 19:02:26,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 19:02:26,111 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 19:02:26,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:26,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 19:02:26,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 19:02:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 19:02:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-08 19:02:26,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 19:02:26,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 19:02:26,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 19:02:26,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 19:02:26,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 19:02:26,201 INFO L87 Difference]: Start difference. First operand 1460 states and 1750 transitions. Second operand 9 states. [2018-12-08 19:02:26,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 19:02:26,264 INFO L93 Difference]: Finished difference Result 1915 states and 2287 transitions. [2018-12-08 19:02:26,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 19:02:26,264 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-12-08 19:02:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 19:02:26,265 INFO L225 Difference]: With dead ends: 1915 [2018-12-08 19:02:26,265 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 19:02:26,267 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 19:02:26,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 19:02:26,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 19:02:26,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 19:02:26,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 19:02:26,267 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-12-08 19:02:26,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 19:02:26,268 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 19:02:26,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 19:02:26,268 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 19:02:26,268 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 19:02:26,270 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 19:02:26,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:26,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 19:02:28,336 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 953 959) the Hoare annotation is: true [2018-12-08 19:02:28,336 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 953 959) no Hoare annotation was computed. [2018-12-08 19:02:28,336 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 960 968) no Hoare annotation was computed. [2018-12-08 19:02:28,336 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 960 968) the Hoare annotation is: true [2018-12-08 19:02:28,336 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 960 968) no Hoare annotation was computed. [2018-12-08 19:02:28,336 INFO L444 ceAbstractionStarter]: At program point L129(line 129) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,337 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,337 INFO L444 ceAbstractionStarter]: At program point L128-1(line 128) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,337 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:02:28,337 INFO L444 ceAbstractionStarter]: At program point L134-1(line 134) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 139) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 476 484) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 476 484) the Hoare annotation is: true [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 476 484) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 540 558) the Hoare annotation is: true [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 540 558) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 553) no Hoare annotation was computed. [2018-12-08 19:02:28,337 INFO L451 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: true [2018-12-08 19:02:28,337 INFO L448 ceAbstractionStarter]: For program point L549-2(lines 549 553) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point L547-1(line 547) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 540 558) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 946 952) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 946 952) the Hoare annotation is: true [2018-12-08 19:02:28,338 INFO L444 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,338 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 457 464) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= 1 |old(~pumpRunning~0)|))) [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 457 464) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 457 464) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L444 ceAbstractionStarter]: At program point L443(line 443) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 424 448) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 424 448) no Hoare annotation was computed. [2018-12-08 19:02:28,338 INFO L444 ceAbstractionStarter]: At program point L438(line 438) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-12-08 19:02:28,338 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 424 448) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0) (or .cse2 .cse3 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-12-08 19:02:28,339 INFO L444 ceAbstractionStarter]: At program point L434(line 434) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 .cse0 (not (= 1 |old(~pumpRunning~0)|)) (and (= processEnvironment_~tmp~4 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 440) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L444 ceAbstractionStarter]: At program point L430(line 430) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0) (or .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point L430-1(line 430) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 445) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 241) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 231 244) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 231 244) the Hoare annotation is: true [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 231 244) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 390 396) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 390 396) the Hoare annotation is: true [2018-12-08 19:02:28,339 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-08 19:02:28,339 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 19:02:28,339 INFO L444 ceAbstractionStarter]: At program point L349(lines 306 351) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-12-08 19:02:28,339 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 359) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L444 ceAbstractionStarter]: At program point L352(lines 305 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 346) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L444 ceAbstractionStarter]: At program point L342-2(lines 336 347) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 351) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 347) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0 (= 0 ~methAndRunningLastTime~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 359) no Hoare annotation was computed. [2018-12-08 19:02:28,340 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 245 253) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 245 253) the Hoare annotation is: true [2018-12-08 19:02:28,341 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 245 253) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 2)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or (or (not (= 0 ~pumpRunning~0)) .cse2) (< ~waterLevel~0 1)))) [2018-12-08 19:02:28,341 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 288) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) (< ~waterLevel~0 1)) (or .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse4) (or .cse3 .cse5 .cse6 .cse1 .cse4) (or .cse5 .cse6 (or .cse1 .cse2)))) [2018-12-08 19:02:28,341 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 291) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 266 294) no Hoare annotation was computed. [2018-12-08 19:02:28,341 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 266 294) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-12-08 19:02:28,342 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2))) [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point L272-1(line 272) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 266 294) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 258 265) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 258 265) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 258 265) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 449 456) no Hoare annotation was computed. [2018-12-08 19:02:28,342 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 449 456) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 449 456) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 2)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse1))) [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 521 539) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L451 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: true [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 534) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point L528-1(line 528) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 521 539) the Hoare annotation is: true [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 521 539) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 534) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 178 189) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse4) (or .cse4 .cse5 (not (= 1 ~pumpRunning~0)) (or .cse1 .cse3) .cse2) (or .cse4 (or .cse0 .cse1 .cse3) .cse5 .cse2))) [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 178 189) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 178 189) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 190 198) the Hoare annotation is: true [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 190 198) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 190 198) no Hoare annotation was computed. [2018-12-08 19:02:28,343 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse1 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3)) (or .cse3 .cse0 .cse4 .cse5 .cse1) (or .cse0 .cse4 .cse5 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse2)))) [2018-12-08 19:02:28,344 INFO L444 ceAbstractionStarter]: At program point L377(lines 377 383) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0 .cse1) (< |old(~waterLevel~0)| 1) (or .cse2 .cse3) (and .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse4)) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse3 (< |old(~waterLevel~0)| 2) (not (= 1 |old(~pumpRunning~0)|))) (or .cse2 .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse4))) [2018-12-08 19:02:28,344 INFO L444 ceAbstractionStarter]: At program point L372(line 372) the Hoare annotation is: (let ((.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3 (= 0 ~methAndRunningLastTime~0)) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse3))) [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point L370(lines 369 388) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 366 389) the Hoare annotation is: (let ((.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0) .cse4 (and .cse5 .cse6 .cse3)) (or .cse0 .cse1 .cse2 (and .cse5 .cse6)))) [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 366 389) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 366 389) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-08 19:02:28,344 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-08 19:02:28,344 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 154 165) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0))) [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 154 165) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 154 165) no Hoare annotation was computed. [2018-12-08 19:02:28,344 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 19:02:28,345 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse0))) [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 398 422) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 398 422) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 .cse3 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 398 422) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse2 (< ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3) (or .cse2 (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point L406(lines 406 414) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1))) (and (or .cse0 (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0)) .cse3) (or (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3 .cse0))) [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point L404-1(line 404) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 419) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 166 177) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 166 177) no Hoare annotation was computed. [2018-12-08 19:02:28,345 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 166 177) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse1) (or (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0) (not (= ~methAndRunningLastTime~0 0)) .cse1))) [2018-12-08 19:02:28,346 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 930) no Hoare annotation was computed. [2018-12-08 19:02:28,346 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 926 933) no Hoare annotation was computed. [2018-12-08 19:02:28,346 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 926 933) the Hoare annotation is: true [2018-12-08 19:02:28,346 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 926 933) no Hoare annotation was computed. [2018-12-08 19:02:28,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 07:02:28 BoogieIcfgContainer [2018-12-08 19:02:28,354 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 19:02:28,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 19:02:28,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 19:02:28,354 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 19:02:28,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 07:02:22" (3/4) ... [2018-12-08 19:02:28,358 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 19:02:28,363 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 19:02:28,363 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 19:02:28,363 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 19:02:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 19:02:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 19:02:28,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 19:02:28,371 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 19:02:28,371 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 19:02:28,371 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 19:02:28,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 19:02:28,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 19:02:28,372 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 19:02:28,391 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 <= waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 19:02:28,391 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 19:02:28,417 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_254fba24-991b-4784-9d76-285d9f70b7fb/bin-2019/uautomizer/witness.graphml [2018-12-08 19:02:28,417 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 19:02:28,417 INFO L168 Benchmark]: Toolchain (without parser) took 6818.08 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.3 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -64.7 MB). Peak memory consumption was 286.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:28,418 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:02:28,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:28,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:28,419 INFO L168 Benchmark]: Boogie Preprocessor took 21.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 19:02:28,419 INFO L168 Benchmark]: RCFGBuilder took 339.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:28,419 INFO L168 Benchmark]: TraceAbstraction took 6075.98 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 264.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -12.6 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:28,419 INFO L168 Benchmark]: Witness Printer took 62.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-08 19:02:28,420 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -114.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.81 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6075.98 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 264.2 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -12.6 MB). Peak memory consumption was 428.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.98 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 930]: 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: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((2 <= waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(systemActive == 1)) || (((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 2.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2149 SDtfs, 1667 SDslu, 5153 SDs, 0 SdLazy, 2589 SolverSat, 644 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 446 GetRequests, 358 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1460occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 645 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1864 PreInvPairs, 1940 NumberOfFragments, 1752 HoareAnnotationTreeSize, 1864 FomulaSimplifications, 11334 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 11542 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1495 ConstructedInterpolants, 0 QuantifiedInterpolants, 269339 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1759 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 203/213 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...