./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/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 324eb41748355c32a9add81086317d66d1f7b200 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 13:21:16,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:21:16,566 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:21:16,573 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:21:16,573 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:21:16,574 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:21:16,575 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:21:16,576 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:21:16,577 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:21:16,578 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:21:16,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:21:16,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:21:16,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:21:16,579 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:21:16,580 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:21:16,580 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:21:16,581 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:21:16,582 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:21:16,583 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:21:16,584 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:21:16,584 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:21:16,585 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:21:16,587 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:21:16,587 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:21:16,587 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:21:16,588 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:21:16,588 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:21:16,589 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:21:16,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:21:16,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:21:16,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:21:16,591 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:21:16,591 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:21:16,591 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:21:16,591 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:21:16,592 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:21:16,592 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:21:16,601 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:21:16,602 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:21:16,602 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:21:16,602 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:21:16,603 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:21:16,603 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:21:16,603 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:21:16,603 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:21:16,603 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:21:16,603 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:21:16,604 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:21:16,605 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:21:16,605 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:21:16,605 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:21:16,606 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:21:16,606 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:21:16,606 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_abf781eb-3bae-4afd-9ae3-466c441d3a04/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 -> 324eb41748355c32a9add81086317d66d1f7b200 [2018-11-28 13:21:16,633 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:21:16,640 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:21:16,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:21:16,643 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:21:16,644 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:21:16,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:21:16,681 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/data/b4fe1e15c/08ff3c9fec224dd8aecb65d395fac5eb/FLAG1eb10e42a [2018-11-28 13:21:17,116 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:21:17,117 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/sv-benchmarks/c/product-lines/minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:21:17,127 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/data/b4fe1e15c/08ff3c9fec224dd8aecb65d395fac5eb/FLAG1eb10e42a [2018-11-28 13:21:17,138 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/data/b4fe1e15c/08ff3c9fec224dd8aecb65d395fac5eb [2018-11-28 13:21:17,140 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:21:17,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:21:17,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:21:17,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:21:17,144 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:21:17,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17, skipping insertion in model container [2018-11-28 13:21:17,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:21:17,179 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:21:17,358 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:21:17,415 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:21:17,469 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:21:17,488 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:21:17,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17 WrapperNode [2018-11-28 13:21:17,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:21:17,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:21:17,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:21:17,489 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:21:17,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:21:17,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:21:17,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:21:17,518 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:21:17,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... [2018-11-28 13:21:17,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:21:17,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:21:17,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:21:17,551 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:21:17,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/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 [2018-11-28 13:21:17,598 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:21:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:21:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:21:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:21:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:21:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:21:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:21:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:21:17,599 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:21:17,599 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:21:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:21:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:21:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:21:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:21:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:21:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:21:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:21:17,600 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:21:17,600 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:21:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:21:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:21:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:21:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:21:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:21:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:21:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:21:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:21:17,601 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:21:17,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:21:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:21:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:21:17,602 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:21:17,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:21:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:21:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:21:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:21:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:21:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:21:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:21:17,603 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:21:17,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:21:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:21:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:21:17,604 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:21:17,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:21:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:21:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:21:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:21:17,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:21:17,605 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:21:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:21:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:21:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:21:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:21:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:21:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:21:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:21:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:21:17,606 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:21:17,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:21:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:21:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:21:18,049 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:21:18,050 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:21:18,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:21:18 BoogieIcfgContainer [2018-11-28 13:21:18,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:21:18,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:21:18,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:21:18,053 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:21:18,054 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:21:17" (1/3) ... [2018-11-28 13:21:18,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e305250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:21:18, skipping insertion in model container [2018-11-28 13:21:18,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:21:17" (2/3) ... [2018-11-28 13:21:18,055 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e305250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:21:18, skipping insertion in model container [2018-11-28 13:21:18,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:21:18" (3/3) ... [2018-11-28 13:21:18,056 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product57_true-unreach-call_false-termination.cil.c [2018-11-28 13:21:18,064 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:21:18,069 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:21:18,080 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:21:18,101 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:21:18,101 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:21:18,101 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:21:18,102 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:21:18,102 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:21:18,102 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:21:18,102 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:21:18,102 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:21:18,102 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:21:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2018-11-28 13:21:18,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:21:18,123 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:18,124 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:18,125 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:18,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:18,129 INFO L82 PathProgramCache]: Analyzing trace with hash 309497542, now seen corresponding path program 1 times [2018-11-28 13:21:18,130 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:18,130 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:18,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,161 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:18,161 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:18,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:18,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:21:18,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:21:18,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:21:18,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:21:18,326 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 2 states. [2018-11-28 13:21:18,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:18,357 INFO L93 Difference]: Finished difference Result 292 states and 359 transitions. [2018-11-28 13:21:18,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:21:18,358 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 13:21:18,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:18,367 INFO L225 Difference]: With dead ends: 292 [2018-11-28 13:21:18,367 INFO L226 Difference]: Without dead ends: 146 [2018-11-28 13:21:18,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:21:18,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-28 13:21:18,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-28 13:21:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-28 13:21:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2018-11-28 13:21:18,408 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 52 [2018-11-28 13:21:18,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:18,408 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2018-11-28 13:21:18,409 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:21:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2018-11-28 13:21:18,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 13:21:18,411 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:18,412 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:18,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:18,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:18,412 INFO L82 PathProgramCache]: Analyzing trace with hash 50384909, now seen corresponding path program 1 times [2018-11-28 13:21:18,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:18,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:18,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:18,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:18,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:18,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:18,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:21:18,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:21:18,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:21:18,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:21:18,508 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 3 states. [2018-11-28 13:21:18,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:18,525 INFO L93 Difference]: Finished difference Result 241 states and 281 transitions. [2018-11-28 13:21:18,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:21:18,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 13:21:18,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:18,529 INFO L225 Difference]: With dead ends: 241 [2018-11-28 13:21:18,529 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 13:21:18,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:21:18,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 13:21:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 13:21:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 13:21:18,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 159 transitions. [2018-11-28 13:21:18,542 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 159 transitions. Word has length 53 [2018-11-28 13:21:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:18,543 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 159 transitions. [2018-11-28 13:21:18,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:21:18,543 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 159 transitions. [2018-11-28 13:21:18,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:21:18,544 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:18,544 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:18,545 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:18,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:18,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1719848662, now seen corresponding path program 1 times [2018-11-28 13:21:18,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:18,545 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:18,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,546 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:18,546 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:18,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:18,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:18,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:21:18,657 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:21:18,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:21:18,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:21:18,658 INFO L87 Difference]: Start difference. First operand 137 states and 159 transitions. Second operand 7 states. [2018-11-28 13:21:18,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:18,894 INFO L93 Difference]: Finished difference Result 250 states and 295 transitions. [2018-11-28 13:21:18,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:21:18,894 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 13:21:18,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:18,896 INFO L225 Difference]: With dead ends: 250 [2018-11-28 13:21:18,896 INFO L226 Difference]: Without dead ends: 137 [2018-11-28 13:21:18,896 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 [2018-11-28 13:21:18,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-11-28 13:21:18,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-11-28 13:21:18,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-11-28 13:21:18,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 158 transitions. [2018-11-28 13:21:18,907 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 158 transitions. Word has length 57 [2018-11-28 13:21:18,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:18,907 INFO L480 AbstractCegarLoop]: Abstraction has 137 states and 158 transitions. [2018-11-28 13:21:18,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:21:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 158 transitions. [2018-11-28 13:21:18,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 13:21:18,909 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:18,909 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:18,909 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:18,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:18,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1872109176, now seen corresponding path program 1 times [2018-11-28 13:21:18,909 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:18,909 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:18,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:18,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:19,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:19,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:19,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:21:19,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:21:19,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:21:19,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:21:19,030 INFO L87 Difference]: Start difference. First operand 137 states and 158 transitions. Second operand 5 states. [2018-11-28 13:21:19,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:19,526 INFO L93 Difference]: Finished difference Result 358 states and 429 transitions. [2018-11-28 13:21:19,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:21:19,527 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 13:21:19,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:19,529 INFO L225 Difference]: With dead ends: 358 [2018-11-28 13:21:19,529 INFO L226 Difference]: Without dead ends: 245 [2018-11-28 13:21:19,530 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 [2018-11-28 13:21:19,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-28 13:21:19,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-11-28 13:21:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-28 13:21:19,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-11-28 13:21:19,552 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 70 [2018-11-28 13:21:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:19,552 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-11-28 13:21:19,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:21:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-11-28 13:21:19,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 13:21:19,555 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:19,555 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:19,559 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:19,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:19,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1423110013, now seen corresponding path program 1 times [2018-11-28 13:21:19,559 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:19,559 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:19,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:19,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:19,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:19,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:19,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:21:19,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:21:19,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:21:19,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:21:19,652 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 6 states. [2018-11-28 13:21:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:19,808 INFO L93 Difference]: Finished difference Result 556 states and 667 transitions. [2018-11-28 13:21:19,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:21:19,809 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-11-28 13:21:19,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:19,812 INFO L225 Difference]: With dead ends: 556 [2018-11-28 13:21:19,812 INFO L226 Difference]: Without dead ends: 353 [2018-11-28 13:21:19,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:21:19,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-11-28 13:21:19,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 349. [2018-11-28 13:21:19,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 349 states. [2018-11-28 13:21:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 405 transitions. [2018-11-28 13:21:19,841 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 405 transitions. Word has length 84 [2018-11-28 13:21:19,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:19,841 INFO L480 AbstractCegarLoop]: Abstraction has 349 states and 405 transitions. [2018-11-28 13:21:19,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:21:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 405 transitions. [2018-11-28 13:21:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:21:19,843 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:19,843 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] [2018-11-28 13:21:19,843 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:19,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:19,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1055268227, now seen corresponding path program 1 times [2018-11-28 13:21:19,843 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:19,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:19,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:19,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:19,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:20,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:20,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:20,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:21:20,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:21:20,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:21:20,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:21:20,011 INFO L87 Difference]: Start difference. First operand 349 states and 405 transitions. Second operand 6 states. [2018-11-28 13:21:20,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:20,168 INFO L93 Difference]: Finished difference Result 750 states and 904 transitions. [2018-11-28 13:21:20,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:21:20,169 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-11-28 13:21:20,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:20,173 INFO L225 Difference]: With dead ends: 750 [2018-11-28 13:21:20,173 INFO L226 Difference]: Without dead ends: 547 [2018-11-28 13:21:20,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:21:20,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2018-11-28 13:21:20,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 529. [2018-11-28 13:21:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-11-28 13:21:20,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 627 transitions. [2018-11-28 13:21:20,206 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 627 transitions. Word has length 88 [2018-11-28 13:21:20,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:20,207 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 627 transitions. [2018-11-28 13:21:20,207 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:21:20,207 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 627 transitions. [2018-11-28 13:21:20,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:21:20,208 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:20,209 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] [2018-11-28 13:21:20,209 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:20,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:20,209 INFO L82 PathProgramCache]: Analyzing trace with hash -1977951810, now seen corresponding path program 1 times [2018-11-28 13:21:20,209 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:20,209 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:20,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:20,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:20,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:20,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:20,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:20,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:20,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:21:20,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 13:21:20,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 13:21:20,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:21:20,261 INFO L87 Difference]: Start difference. First operand 529 states and 627 transitions. Second operand 5 states. [2018-11-28 13:21:20,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:20,295 INFO L93 Difference]: Finished difference Result 922 states and 1114 transitions. [2018-11-28 13:21:20,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:21:20,296 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-11-28 13:21:20,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:20,299 INFO L225 Difference]: With dead ends: 922 [2018-11-28 13:21:20,299 INFO L226 Difference]: Without dead ends: 539 [2018-11-28 13:21:20,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:21:20,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-11-28 13:21:20,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 533. [2018-11-28 13:21:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 533 states. [2018-11-28 13:21:20,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 630 transitions. [2018-11-28 13:21:20,328 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 630 transitions. Word has length 88 [2018-11-28 13:21:20,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:20,329 INFO L480 AbstractCegarLoop]: Abstraction has 533 states and 630 transitions. [2018-11-28 13:21:20,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 13:21:20,329 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 630 transitions. [2018-11-28 13:21:20,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:21:20,330 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:20,331 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] [2018-11-28 13:21:20,331 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:20,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:20,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1473009984, now seen corresponding path program 1 times [2018-11-28 13:21:20,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:20,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:20,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:20,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:20,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:20,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:20,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:20,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 13:21:20,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 13:21:20,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 13:21:20,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 13:21:20,410 INFO L87 Difference]: Start difference. First operand 533 states and 630 transitions. Second operand 9 states. [2018-11-28 13:21:20,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:20,464 INFO L93 Difference]: Finished difference Result 1059 states and 1278 transitions. [2018-11-28 13:21:20,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 13:21:20,465 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-11-28 13:21:20,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:20,468 INFO L225 Difference]: With dead ends: 1059 [2018-11-28 13:21:20,468 INFO L226 Difference]: Without dead ends: 550 [2018-11-28 13:21:20,469 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 [2018-11-28 13:21:20,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2018-11-28 13:21:20,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 540. [2018-11-28 13:21:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2018-11-28 13:21:20,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 637 transitions. [2018-11-28 13:21:20,497 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 637 transitions. Word has length 88 [2018-11-28 13:21:20,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:20,497 INFO L480 AbstractCegarLoop]: Abstraction has 540 states and 637 transitions. [2018-11-28 13:21:20,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 13:21:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 637 transitions. [2018-11-28 13:21:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-28 13:21:20,499 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:20,499 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:20,499 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:20,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:20,500 INFO L82 PathProgramCache]: Analyzing trace with hash 341149841, now seen corresponding path program 1 times [2018-11-28 13:21:20,500 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:20,500 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:20,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:20,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:20,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:20,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:21:20,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:21:20,589 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/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 [2018-11-28 13:21:20,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:20,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:21:20,825 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:21:20,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:21:20,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-28 13:21:20,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 13:21:20,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 13:21:20,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-28 13:21:20,843 INFO L87 Difference]: Start difference. First operand 540 states and 637 transitions. Second operand 14 states. [2018-11-28 13:21:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:21,295 INFO L93 Difference]: Finished difference Result 1457 states and 1779 transitions. [2018-11-28 13:21:21,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 13:21:21,296 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 100 [2018-11-28 13:21:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:21,299 INFO L225 Difference]: With dead ends: 1457 [2018-11-28 13:21:21,299 INFO L226 Difference]: Without dead ends: 941 [2018-11-28 13:21:21,300 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:21:21,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2018-11-28 13:21:21,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 938. [2018-11-28 13:21:21,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 938 states. [2018-11-28 13:21:21,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1098 transitions. [2018-11-28 13:21:21,339 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1098 transitions. Word has length 100 [2018-11-28 13:21:21,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:21,340 INFO L480 AbstractCegarLoop]: Abstraction has 938 states and 1098 transitions. [2018-11-28 13:21:21,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 13:21:21,340 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1098 transitions. [2018-11-28 13:21:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 13:21:21,342 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:21,342 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:21,342 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:21,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:21,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1406056147, now seen corresponding path program 1 times [2018-11-28 13:21:21,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:21,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:21,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:21,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:21,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:21,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 13:21:21,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:21,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:21:21,426 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:21:21,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:21:21,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:21:21,427 INFO L87 Difference]: Start difference. First operand 938 states and 1098 transitions. Second operand 10 states. [2018-11-28 13:21:21,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:21,563 INFO L93 Difference]: Finished difference Result 1862 states and 2183 transitions. [2018-11-28 13:21:21,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:21:21,563 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-28 13:21:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:21,582 INFO L225 Difference]: With dead ends: 1862 [2018-11-28 13:21:21,583 INFO L226 Difference]: Without dead ends: 948 [2018-11-28 13:21:21,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:21:21,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2018-11-28 13:21:21,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 908. [2018-11-28 13:21:21,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2018-11-28 13:21:21,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1031 transitions. [2018-11-28 13:21:21,612 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1031 transitions. Word has length 104 [2018-11-28 13:21:21,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:21,612 INFO L480 AbstractCegarLoop]: Abstraction has 908 states and 1031 transitions. [2018-11-28 13:21:21,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:21:21,612 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1031 transitions. [2018-11-28 13:21:21,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-28 13:21:21,613 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:21,614 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:21,614 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:21,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:21,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1778836691, now seen corresponding path program 1 times [2018-11-28 13:21:21,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:21,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:21,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:21,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:21,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:21:21,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:21:21,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:21:21,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:21:21,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:21:21,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:21:21,690 INFO L87 Difference]: Start difference. First operand 908 states and 1031 transitions. Second operand 10 states. [2018-11-28 13:21:21,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:21,803 INFO L93 Difference]: Finished difference Result 1766 states and 2027 transitions. [2018-11-28 13:21:21,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 13:21:21,804 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-11-28 13:21:21,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:21,806 INFO L225 Difference]: With dead ends: 1766 [2018-11-28 13:21:21,806 INFO L226 Difference]: Without dead ends: 882 [2018-11-28 13:21:21,808 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:21:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2018-11-28 13:21:21,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 866. [2018-11-28 13:21:21,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2018-11-28 13:21:21,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 981 transitions. [2018-11-28 13:21:21,834 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 981 transitions. Word has length 104 [2018-11-28 13:21:21,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:21,834 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 981 transitions. [2018-11-28 13:21:21,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:21:21,834 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 981 transitions. [2018-11-28 13:21:21,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 13:21:21,836 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:21,836 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:21,836 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:21,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:21,837 INFO L82 PathProgramCache]: Analyzing trace with hash -968247840, now seen corresponding path program 1 times [2018-11-28 13:21:21,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:21,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:21,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:21,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:21,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:21,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 13:21:21,891 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:21:21,891 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/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 [2018-11-28 13:21:21,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:21,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:21:22,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 13:21:22,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:21:22,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-28 13:21:22,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 13:21:22,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 13:21:22,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 13:21:22,088 INFO L87 Difference]: Start difference. First operand 866 states and 981 transitions. Second operand 13 states. [2018-11-28 13:21:23,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:23,101 INFO L93 Difference]: Finished difference Result 2287 states and 2787 transitions. [2018-11-28 13:21:23,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:21:23,102 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 149 [2018-11-28 13:21:23,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:23,105 INFO L225 Difference]: With dead ends: 2287 [2018-11-28 13:21:23,105 INFO L226 Difference]: Without dead ends: 1445 [2018-11-28 13:21:23,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-28 13:21:23,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-28 13:21:23,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1234. [2018-11-28 13:21:23,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1234 states. [2018-11-28 13:21:23,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 1234 states and 1385 transitions. [2018-11-28 13:21:23,150 INFO L78 Accepts]: Start accepts. Automaton has 1234 states and 1385 transitions. Word has length 149 [2018-11-28 13:21:23,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:23,151 INFO L480 AbstractCegarLoop]: Abstraction has 1234 states and 1385 transitions. [2018-11-28 13:21:23,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 13:21:23,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1234 states and 1385 transitions. [2018-11-28 13:21:23,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-28 13:21:23,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:21:23,153 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:21:23,154 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:21:23,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:21:23,154 INFO L82 PathProgramCache]: Analyzing trace with hash -387257149, now seen corresponding path program 1 times [2018-11-28 13:21:23,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:21:23,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:21:23,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:23,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:23,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:21:23,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:23,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 13:21:23,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:21:23,227 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:21:23,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:21:23,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:21:23,309 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:21:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-28 13:21:23,414 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:21:23,414 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-28 13:21:23,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 13:21:23,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 13:21:23,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:21:23,415 INFO L87 Difference]: Start difference. First operand 1234 states and 1385 transitions. Second operand 15 states. [2018-11-28 13:21:24,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:21:24,924 INFO L93 Difference]: Finished difference Result 3081 states and 3990 transitions. [2018-11-28 13:21:24,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-28 13:21:24,924 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 153 [2018-11-28 13:21:24,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:21:24,925 INFO L225 Difference]: With dead ends: 3081 [2018-11-28 13:21:24,925 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 13:21:24,929 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-28 13:21:24,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 13:21:24,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 13:21:24,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 13:21:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 13:21:24,930 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-28 13:21:24,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:21:24,930 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 13:21:24,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 13:21:24,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 13:21:24,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 13:21:24,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 13:21:25,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 13:21:25,903 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 13:21:26,353 WARN L180 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 51 [2018-11-28 13:21:26,974 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-11-28 13:21:27,160 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-11-28 13:21:27,319 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-11-28 13:21:27,868 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-11-28 13:21:27,996 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-28 13:21:28,804 WARN L180 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-28 13:21:29,092 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-11-28 13:21:29,338 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 36 [2018-11-28 13:21:29,594 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-28 13:21:29,692 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 538 544) the Hoare annotation is: true [2018-11-28 13:21:29,692 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 538 544) no Hoare annotation was computed. [2018-11-28 13:21:29,692 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 545 553) no Hoare annotation was computed. [2018-11-28 13:21:29,692 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 545 553) the Hoare annotation is: true [2018-11-28 13:21:29,692 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 545 553) no Hoare annotation was computed. [2018-11-28 13:21:29,692 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 957 979) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,693 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 957 979) no Hoare annotation was computed. [2018-11-28 13:21:29,693 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 957 979) no Hoare annotation was computed. [2018-11-28 13:21:29,693 INFO L444 ceAbstractionStarter]: At program point L969(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-11-28 13:21:29,693 INFO L444 ceAbstractionStarter]: At program point L969-1(line 969) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1))) [2018-11-28 13:21:29,693 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 974) no Hoare annotation was computed. [2018-11-28 13:21:29,693 INFO L448 ceAbstractionStarter]: For program point L967-1(lines 967 974) no Hoare annotation was computed. [2018-11-28 13:21:29,693 INFO L448 ceAbstractionStarter]: For program point L965(line 965) no Hoare annotation was computed. [2018-11-28 13:21:29,693 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,693 INFO L444 ceAbstractionStarter]: At program point L963(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,694 INFO L444 ceAbstractionStarter]: At program point L963-1(line 963) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 735 743) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 735 743) the Hoare annotation is: true [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 735 743) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 799 817) the Hoare annotation is: true [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 812) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L451 ceAbstractionStarter]: At program point L806(line 806) the Hoare annotation is: true [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point L808-2(lines 808 812) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 799 817) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point L806-1(line 806) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 799 817) no Hoare annotation was computed. [2018-11-28 13:21:29,694 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 531 537) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 531 537) the Hoare annotation is: true [2018-11-28 13:21:29,695 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 947 956) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 947 956) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 947 956) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 724 734) the Hoare annotation is: true [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 724 734) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L451 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: true [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 724 734) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 716 723) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 716 723) no Hoare annotation was computed. [2018-11-28 13:21:29,695 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 716 723) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 665 689) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 665 689) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 13:21:29,696 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 13:21:29,696 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 493 506) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 493 506) the Hoare annotation is: true [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 493 506) no Hoare annotation was computed. [2018-11-28 13:21:29,696 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L832(lines 832 836) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 820 883) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 820 883) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L444 ceAbstractionStarter]: At program point L876(lines 829 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L444 ceAbstractionStarter]: At program point L866-2(lines 860 871) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L831(lines 830 875) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L860(lines 860 871) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse2 .cse4 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (and .cse2 .cse4 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L850(lines 850 856) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L850-1(lines 850 856) no Hoare annotation was computed. [2018-11-28 13:21:29,697 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1 .cse5 .cse3) (not (= ~systemActive~0 1)) (and .cse4 (and (not (= ~waterLevel~0 2)) .cse0 .cse3) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse5 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:21:29,697 INFO L444 ceAbstractionStarter]: At program point L873(lines 830 875) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse5 .cse3) (and .cse0 .cse4 .cse6 .cse3) (not (= ~systemActive~0 1)) (and .cse2 .cse6 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 13:21:29,697 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 846) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point L840-1(lines 840 846) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 820 883) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 690 697) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 507 515) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 507 515) the Hoare annotation is: true [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 507 515) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:21:29,698 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)) [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 699 715) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 699 715) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-28 13:21:29,698 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 699 715) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 780 798) no Hoare annotation was computed. [2018-11-28 13:21:29,698 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 780 798) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 780 798) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L789-2(lines 789 793) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L787-1(line 787) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 484 492) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 484 492) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 484 492) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 440 451) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 440 451) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 440 451) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L897(line 897) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 886 915) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point L896-2(lines 896 910) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 886 915) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point L892(line 892) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L892-1(line 892) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point L911(lines 886 915) the Hoare annotation is: true [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 904) no Hoare annotation was computed. [2018-11-28 13:21:29,699 INFO L451 ceAbstractionStarter]: At program point L900-1(lines 900 904) the Hoare annotation is: true [2018-11-28 13:21:29,700 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-11-28 13:21:29,700 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse16 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (or .cse16 .cse3)) (.cse9 (and (<= ~waterLevel~0 1) .cse15)) (.cse8 (and .cse12 (<= ~waterLevel~0 0))) (.cse11 (or .cse14 .cse16 .cse3)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (and (<= ~waterLevel~0 2) .cse15)) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse5 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 .cse8) (or .cse9 .cse10 .cse7 .cse5) (or .cse0 .cse9 .cse10 .cse11) (or .cse0 .cse6 .cse8 .cse11) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse12) (or (or .cse6 .cse1 .cse3) .cse5 .cse12) (or .cse0 .cse1 .cse10 .cse13 .cse3) (or .cse1 .cse13 .cse10 .cse3 .cse5)))) [2018-11-28 13:21:29,700 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-11-28 13:21:29,700 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-11-28 13:21:29,700 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-11-28 13:21:29,700 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-11-28 13:21:29,700 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-11-28 13:21:29,700 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 452 460) the Hoare annotation is: true [2018-11-28 13:21:29,700 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 452 460) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 452 460) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point L576(lines 576 582) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse5 .cse3 .cse6) (or .cse4 .cse1 .cse3 .cse6) (or .cse4 .cse5 .cse3 .cse6))) [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point L574-1(line 574) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 557 589) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 585) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 557 589) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (< 1 ~waterLevel~0) .cse4 .cse3) (or .cse5 .cse2 .cse4 .cse3 .cse6) (or (< 0 ~waterLevel~0) .cse1 .cse5 .cse3 .cse6) (or .cse1 .cse5 .cse3 (not (= ~waterLevel~0 1)) .cse6))) [2018-11-28 13:21:29,701 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 557 589) the Hoare annotation is: true [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-11-28 13:21:29,701 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 586) no Hoare annotation was computed. [2018-11-28 13:21:29,702 INFO L451 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: true [2018-11-28 13:21:29,702 INFO L448 ceAbstractionStarter]: For program point L564-1(line 564) no Hoare annotation was computed. [2018-11-28 13:21:29,702 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-28 13:21:29,702 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-11-28 13:21:29,702 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-11-28 13:21:29,702 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-11-28 13:21:29,702 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 940 946) no Hoare annotation was computed. [2018-11-28 13:21:29,702 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 940 946) the Hoare annotation is: true [2018-11-28 13:21:29,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 13:21:29,702 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)) [2018-11-28 13:21:29,703 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 13:21:29,703 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 13:21:29,703 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-28 13:21:29,703 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-11-28 13:21:29,703 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 13:21:29,703 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-11-28 13:21:29,703 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 .cse5 .cse6) (or (or (< 0 ~waterLevel~0) .cse7 .cse0 .cse5) .cse1) (or .cse8 .cse9 .cse5 .cse6) (or .cse7 .cse0 .cse5 .cse1 (not (= ~waterLevel~0 1))) (or .cse7 .cse0 .cse4 .cse5 (and .cse2 .cse3)) (or .cse7 .cse8 .cse9 .cse5))) [2018-11-28 13:21:29,703 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (and (<= ~waterLevel~0 1) .cse9)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse4) (or .cse8 .cse6 .cse7 .cse3) (or .cse8 .cse1 .cse0 .cse2 .cse5 .cse3)))) [2018-11-28 13:21:29,703 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-28 13:21:29,704 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 428 439) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 428 439) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 428 439) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-11-28 13:21:29,704 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 595) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 591 598) no Hoare annotation was computed. [2018-11-28 13:21:29,704 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 591 598) the Hoare annotation is: true [2018-11-28 13:21:29,705 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 591 598) no Hoare annotation was computed. [2018-11-28 13:21:29,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:21:29 BoogieIcfgContainer [2018-11-28 13:21:29,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:21:29,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:21:29,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:21:29,714 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:21:29,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:21:18" (3/4) ... [2018-11-28 13:21:29,718 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 13:21:29,724 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 13:21:29,725 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:21:29,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 13:21:29,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 13:21:29,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:21:29,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 13:21:29,726 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 13:21:29,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 13:21:29,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 13:21:29,733 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 13:21:29,733 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 13:21:29,733 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 13:21:29,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 13:21:29,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:21:29,758 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 13:21:29,794 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_abf781eb-3bae-4afd-9ae3-466c441d3a04/bin-2019/uautomizer/witness.graphml [2018-11-28 13:21:29,794 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:21:29,795 INFO L168 Benchmark]: Toolchain (without parser) took 12654.29 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 535.3 MB). Free memory was 950.6 MB in the beginning and 1.5 GB in the end (delta: -535.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:21:29,795 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:21:29,795 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:21:29,796 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.95 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. [2018-11-28 13:21:29,796 INFO L168 Benchmark]: Boogie Preprocessor took 33.46 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. [2018-11-28 13:21:29,796 INFO L168 Benchmark]: RCFGBuilder took 498.94 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. [2018-11-28 13:21:29,796 INFO L168 Benchmark]: TraceAbstraction took 11663.16 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -469.4 MB). Peak memory consumption was 687.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:21:29,797 INFO L168 Benchmark]: Witness Printer took 79.90 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:21:29,798 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.4 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.46 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. * RCFGBuilder took 498.94 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: 61.2 MB). Peak memory consumption was 61.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11663.16 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -469.4 MB). Peak memory consumption was 687.8 MB. Max. memory is 11.5 GB. * Witness Printer took 79.90 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 595]: 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: 886]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 159 locations, 1 error locations. SAFE Result, 11.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.5s AutomataDifference, 0.0s DeadEndRemovalTime, 4.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2526 SDtfs, 2418 SDslu, 9366 SDs, 0 SdLazy, 6165 SolverSat, 1217 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 591 GetRequests, 443 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1234occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 326 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3379 PreInvPairs, 3913 NumberOfFragments, 3096 HoareAnnotationTreeSize, 3379 FomulaSimplifications, 19541 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 30624 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1576 ConstructedInterpolants, 0 QuantifiedInterpolants, 303641 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2446 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 114/132 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...