./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 17:45:35,406 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 17:45:35,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 17:45:35,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 17:45:35,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 17:45:35,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 17:45:35,414 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 17:45:35,415 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 17:45:35,415 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 17:45:35,416 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 17:45:35,416 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 17:45:35,416 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 17:45:35,417 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 17:45:35,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 17:45:35,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 17:45:35,418 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 17:45:35,419 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 17:45:35,419 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 17:45:35,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 17:45:35,421 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 17:45:35,422 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 17:45:35,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 17:45:35,423 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 17:45:35,423 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 17:45:35,423 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 17:45:35,424 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 17:45:35,424 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 17:45:35,425 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 17:45:35,425 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 17:45:35,426 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 17:45:35,426 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 17:45:35,426 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 17:45:35,426 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 17:45:35,426 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 17:45:35,427 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 17:45:35,427 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 17:45:35,427 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 17:45:35,434 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 17:45:35,434 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 17:45:35,435 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 17:45:35,435 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 17:45:35,435 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 17:45:35,435 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 17:45:35,435 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 17:45:35,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 17:45:35,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 17:45:35,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:45:35,437 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 17:45:35,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 17:45:35,437 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_41ba8a46-8756-47ec-9618-b843bcec576c/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-12-01 17:45:35,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 17:45:35,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 17:45:35,463 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 17:45:35,464 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 17:45:35,464 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 17:45:35,464 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-01 17:45:35,498 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/data/fdb8c03f3/4ad65084bf2b47b5855d8cd8bfd4a0c6/FLAG024be6f30 [2018-12-01 17:45:35,945 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 17:45:35,945 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-01 17:45:35,951 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/data/fdb8c03f3/4ad65084bf2b47b5855d8cd8bfd4a0c6/FLAG024be6f30 [2018-12-01 17:45:35,960 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/data/fdb8c03f3/4ad65084bf2b47b5855d8cd8bfd4a0c6 [2018-12-01 17:45:35,962 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 17:45:35,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 17:45:35,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 17:45:35,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 17:45:35,965 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 17:45:35,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:45:35" (1/1) ... [2018-12-01 17:45:35,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:35, skipping insertion in model container [2018-12-01 17:45:35,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 05:45:35" (1/1) ... [2018-12-01 17:45:35,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 17:45:35,992 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 17:45:36,140 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:45:36,186 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 17:45:36,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 17:45:36,242 INFO L195 MainTranslator]: Completed translation [2018-12-01 17:45:36,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36 WrapperNode [2018-12-01 17:45:36,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 17:45:36,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 17:45:36,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 17:45:36,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 17:45:36,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,262 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 17:45:36,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 17:45:36,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 17:45:36,262 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 17:45:36,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,281 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... [2018-12-01 17:45:36,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 17:45:36,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 17:45:36,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 17:45:36,284 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 17:45:36,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 17:45:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 17:45:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 17:45:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 17:45:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 17:45:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 17:45:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 17:45:36,315 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 17:45:36,315 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 17:45:36,316 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 17:45:36,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 17:45:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 17:45:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 17:45:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 17:45:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 17:45:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:45:36,317 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:45:36,317 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 17:45:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 17:45:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 17:45:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 17:45:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 17:45:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 17:45:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 17:45:36,318 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 17:45:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 17:45:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 17:45:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 17:45:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 17:45:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 17:45:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 17:45:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 17:45:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 17:45:36,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 17:45:36,603 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 17:45:36,604 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 17:45:36,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:45:36 BoogieIcfgContainer [2018-12-01 17:45:36,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 17:45:36,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 17:45:36,605 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 17:45:36,607 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 17:45:36,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 05:45:35" (1/3) ... [2018-12-01 17:45:36,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b77ec89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:45:36, skipping insertion in model container [2018-12-01 17:45:36,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 05:45:36" (2/3) ... [2018-12-01 17:45:36,608 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b77ec89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 05:45:36, skipping insertion in model container [2018-12-01 17:45:36,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:45:36" (3/3) ... [2018-12-01 17:45:36,610 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-12-01 17:45:36,616 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 17:45:36,621 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 17:45:36,629 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 17:45:36,648 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 17:45:36,648 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 17:45:36,648 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 17:45:36,648 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 17:45:36,648 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 17:45:36,648 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 17:45:36,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 17:45:36,649 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 17:45:36,649 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 17:45:36,663 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-01 17:45:36,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 17:45:36,668 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:36,669 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:36,670 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:36,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:36,674 INFO L82 PathProgramCache]: Analyzing trace with hash 260930450, now seen corresponding path program 1 times [2018-12-01 17:45:36,675 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:36,675 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:36,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:36,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:36,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:36,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:36,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 17:45:36,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 17:45:36,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 17:45:36,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 17:45:36,822 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-01 17:45:36,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:36,845 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2018-12-01 17:45:36,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 17:45:36,846 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-01 17:45:36,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:36,853 INFO L225 Difference]: With dead ends: 260 [2018-12-01 17:45:36,853 INFO L226 Difference]: Without dead ends: 132 [2018-12-01 17:45:36,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 17:45:36,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-01 17:45:36,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-01 17:45:36,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-01 17:45:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-12-01 17:45:36,884 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 51 [2018-12-01 17:45:36,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:36,884 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-12-01 17:45:36,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 17:45:36,884 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-12-01 17:45:36,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 17:45:36,886 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:36,886 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:36,886 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:36,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:36,887 INFO L82 PathProgramCache]: Analyzing trace with hash -5097234, now seen corresponding path program 1 times [2018-12-01 17:45:36,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:36,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:36,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:36,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:36,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:36,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:36,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:36,933 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:36,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 17:45:36,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:45:36,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:45:36,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:45:36,935 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-12-01 17:45:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:36,947 INFO L93 Difference]: Finished difference Result 205 states and 241 transitions. [2018-12-01 17:45:36,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:45:36,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-01 17:45:36,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:36,948 INFO L225 Difference]: With dead ends: 205 [2018-12-01 17:45:36,948 INFO L226 Difference]: Without dead ends: 123 [2018-12-01 17:45:36,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:45:36,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-01 17:45:36,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-01 17:45:36,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-01 17:45:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-01 17:45:36,956 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 52 [2018-12-01 17:45:36,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:36,957 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-01 17:45:36,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:45:36,957 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-01 17:45:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 17:45:36,958 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:36,958 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:36,958 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:36,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:36,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1184972056, now seen corresponding path program 1 times [2018-12-01 17:45:36,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:36,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:36,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:36,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:36,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:37,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:37,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:37,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 17:45:37,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:45:37,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:45:37,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:45:37,026 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-12-01 17:45:37,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:37,200 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-12-01 17:45:37,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:45:37,201 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-01 17:45:37,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:37,202 INFO L225 Difference]: With dead ends: 218 [2018-12-01 17:45:37,202 INFO L226 Difference]: Without dead ends: 123 [2018-12-01 17:45:37,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 17:45:37,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-01 17:45:37,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-01 17:45:37,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-01 17:45:37,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 142 transitions. [2018-12-01 17:45:37,214 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 142 transitions. Word has length 57 [2018-12-01 17:45:37,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:37,214 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 142 transitions. [2018-12-01 17:45:37,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:45:37,215 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 142 transitions. [2018-12-01 17:45:37,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-01 17:45:37,217 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:37,217 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:37,217 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:37,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:37,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1851907157, now seen corresponding path program 1 times [2018-12-01 17:45:37,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:37,218 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:37,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:37,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:37,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:37,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:37,287 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:37,287 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 17:45:37,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 17:45:37,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 17:45:37,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 17:45:37,288 INFO L87 Difference]: Start difference. First operand 123 states and 142 transitions. Second operand 5 states. [2018-12-01 17:45:37,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:37,542 INFO L93 Difference]: Finished difference Result 319 states and 387 transitions. [2018-12-01 17:45:37,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 17:45:37,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-01 17:45:37,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:37,545 INFO L225 Difference]: With dead ends: 319 [2018-12-01 17:45:37,545 INFO L226 Difference]: Without dead ends: 224 [2018-12-01 17:45:37,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:45:37,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-12-01 17:45:37,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 205. [2018-12-01 17:45:37,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-01 17:45:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-12-01 17:45:37,564 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 70 [2018-12-01 17:45:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:37,565 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-12-01 17:45:37,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 17:45:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-12-01 17:45:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-01 17:45:37,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:37,567 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:37,567 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:37,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:37,567 INFO L82 PathProgramCache]: Analyzing trace with hash 127778148, now seen corresponding path program 1 times [2018-12-01 17:45:37,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:37,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:37,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:37,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:37,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:37,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:37,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 17:45:37,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:45:37,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:45:37,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:45:37,640 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 6 states. [2018-12-01 17:45:37,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:37,760 INFO L93 Difference]: Finished difference Result 541 states and 641 transitions. [2018-12-01 17:45:37,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:45:37,761 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-01 17:45:37,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:37,763 INFO L225 Difference]: With dead ends: 541 [2018-12-01 17:45:37,763 INFO L226 Difference]: Without dead ends: 364 [2018-12-01 17:45:37,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 17:45:37,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-12-01 17:45:37,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 358. [2018-12-01 17:45:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-12-01 17:45:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 410 transitions. [2018-12-01 17:45:37,792 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 410 transitions. Word has length 84 [2018-12-01 17:45:37,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:37,792 INFO L480 AbstractCegarLoop]: Abstraction has 358 states and 410 transitions. [2018-12-01 17:45:37,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:45:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 410 transitions. [2018-12-01 17:45:37,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 17:45:37,794 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:37,794 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:37,794 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:37,794 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:37,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1375705536, now seen corresponding path program 1 times [2018-12-01 17:45:37,795 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:37,795 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:37,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:37,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:37,795 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:37,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:37,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:37,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 17:45:37,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 17:45:37,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 17:45:37,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:45:37,886 INFO L87 Difference]: Start difference. First operand 358 states and 410 transitions. Second operand 7 states. [2018-12-01 17:45:38,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:38,292 INFO L93 Difference]: Finished difference Result 719 states and 848 transitions. [2018-12-01 17:45:38,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 17:45:38,293 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-12-01 17:45:38,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:38,294 INFO L225 Difference]: With dead ends: 719 [2018-12-01 17:45:38,294 INFO L226 Difference]: Without dead ends: 389 [2018-12-01 17:45:38,295 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-01 17:45:38,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2018-12-01 17:45:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 357. [2018-12-01 17:45:38,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-12-01 17:45:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 407 transitions. [2018-12-01 17:45:38,309 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 407 transitions. Word has length 88 [2018-12-01 17:45:38,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:38,309 INFO L480 AbstractCegarLoop]: Abstraction has 357 states and 407 transitions. [2018-12-01 17:45:38,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 17:45:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 407 transitions. [2018-12-01 17:45:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:45:38,310 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:38,311 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:38,311 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:38,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:38,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1659091839, now seen corresponding path program 1 times [2018-12-01 17:45:38,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:38,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:38,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:38,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:38,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:38,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 17:45:38,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 17:45:38,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 17:45:38,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 17:45:38,344 INFO L87 Difference]: Start difference. First operand 357 states and 407 transitions. Second operand 6 states. [2018-12-01 17:45:38,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:38,376 INFO L93 Difference]: Finished difference Result 696 states and 806 transitions. [2018-12-01 17:45:38,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:45:38,376 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-01 17:45:38,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:38,378 INFO L225 Difference]: With dead ends: 696 [2018-12-01 17:45:38,378 INFO L226 Difference]: Without dead ends: 367 [2018-12-01 17:45:38,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 17:45:38,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2018-12-01 17:45:38,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2018-12-01 17:45:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-01 17:45:38,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2018-12-01 17:45:38,390 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 89 [2018-12-01 17:45:38,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:38,390 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2018-12-01 17:45:38,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 17:45:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2018-12-01 17:45:38,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:45:38,391 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:38,391 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:38,391 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:38,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:38,392 INFO L82 PathProgramCache]: Analyzing trace with hash -957491965, now seen corresponding path program 1 times [2018-12-01 17:45:38,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:38,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:38,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:38,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:38,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:38,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:38,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 17:45:38,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:45:38,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:45:38,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:45:38,444 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 8 states. [2018-12-01 17:45:38,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:38,473 INFO L93 Difference]: Finished difference Result 720 states and 840 transitions. [2018-12-01 17:45:38,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 17:45:38,474 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2018-12-01 17:45:38,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:38,475 INFO L225 Difference]: With dead ends: 720 [2018-12-01 17:45:38,475 INFO L226 Difference]: Without dead ends: 381 [2018-12-01 17:45:38,476 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:45:38,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-01 17:45:38,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-12-01 17:45:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-12-01 17:45:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 425 transitions. [2018-12-01 17:45:38,487 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 425 transitions. Word has length 89 [2018-12-01 17:45:38,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:38,487 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 425 transitions. [2018-12-01 17:45:38,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:45:38,487 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 425 transitions. [2018-12-01 17:45:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-01 17:45:38,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:38,488 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:38,488 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:38,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:38,488 INFO L82 PathProgramCache]: Analyzing trace with hash 767988932, now seen corresponding path program 1 times [2018-12-01 17:45:38,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:38,488 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:38,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:38,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:38,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:38,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 17:45:38,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 17:45:38,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 17:45:38,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 17:45:38,530 INFO L87 Difference]: Start difference. First operand 375 states and 425 transitions. Second operand 4 states. [2018-12-01 17:45:38,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:38,658 INFO L93 Difference]: Finished difference Result 1132 states and 1352 transitions. [2018-12-01 17:45:38,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 17:45:38,658 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 89 [2018-12-01 17:45:38,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:38,662 INFO L225 Difference]: With dead ends: 1132 [2018-12-01 17:45:38,662 INFO L226 Difference]: Without dead ends: 785 [2018-12-01 17:45:38,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 17:45:38,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2018-12-01 17:45:38,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 507. [2018-12-01 17:45:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-01 17:45:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 570 transitions. [2018-12-01 17:45:38,698 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 570 transitions. Word has length 89 [2018-12-01 17:45:38,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:38,699 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 570 transitions. [2018-12-01 17:45:38,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 17:45:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 570 transitions. [2018-12-01 17:45:38,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-01 17:45:38,700 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:38,700 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:38,701 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:38,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:38,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1891514934, now seen corresponding path program 1 times [2018-12-01 17:45:38,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:38,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:38,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:38,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:38,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 17:45:38,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 17:45:38,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 17:45:38,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 17:45:38,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:45:38,737 INFO L87 Difference]: Start difference. First operand 507 states and 570 transitions. Second operand 3 states. [2018-12-01 17:45:38,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:38,777 INFO L93 Difference]: Finished difference Result 776 states and 888 transitions. [2018-12-01 17:45:38,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 17:45:38,777 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 93 [2018-12-01 17:45:38,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:38,780 INFO L225 Difference]: With dead ends: 776 [2018-12-01 17:45:38,780 INFO L226 Difference]: Without dead ends: 773 [2018-12-01 17:45:38,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 17:45:38,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-01 17:45:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 647. [2018-12-01 17:45:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2018-12-01 17:45:38,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 738 transitions. [2018-12-01 17:45:38,812 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 738 transitions. Word has length 93 [2018-12-01 17:45:38,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:38,812 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 738 transitions. [2018-12-01 17:45:38,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 17:45:38,812 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 738 transitions. [2018-12-01 17:45:38,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:45:38,814 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:38,814 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, 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] [2018-12-01 17:45:38,814 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:38,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:38,814 INFO L82 PathProgramCache]: Analyzing trace with hash -891413890, now seen corresponding path program 1 times [2018-12-01 17:45:38,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:38,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:38,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:38,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:38,909 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 17:45:38,910 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:45:38,910 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 17:45:38,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:39,015 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:45:39,180 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 17:45:39,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:45:39,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 17:45:39,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 17:45:39,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 17:45:39,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 17:45:39,207 INFO L87 Difference]: Start difference. First operand 647 states and 738 transitions. Second operand 19 states. [2018-12-01 17:45:39,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:39,821 INFO L93 Difference]: Finished difference Result 1203 states and 1382 transitions. [2018-12-01 17:45:39,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 17:45:39,821 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 152 [2018-12-01 17:45:39,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:39,824 INFO L225 Difference]: With dead ends: 1203 [2018-12-01 17:45:39,824 INFO L226 Difference]: Without dead ends: 584 [2018-12-01 17:45:39,825 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 149 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-01 17:45:39,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-12-01 17:45:39,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 555. [2018-12-01 17:45:39,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-12-01 17:45:39,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 623 transitions. [2018-12-01 17:45:39,854 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 623 transitions. Word has length 152 [2018-12-01 17:45:39,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:39,854 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 623 transitions. [2018-12-01 17:45:39,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 17:45:39,854 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 623 transitions. [2018-12-01 17:45:39,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 17:45:39,856 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 17:45:39,856 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 17:45:39,857 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 17:45:39,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 17:45:39,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1898100891, now seen corresponding path program 1 times [2018-12-01 17:45:39,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 17:45:39,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 17:45:39,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:39,858 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:39,858 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 17:45:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:39,916 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-01 17:45:39,917 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 17:45:39,917 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 17:45:39,925 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 17:45:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 17:45:40,000 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 17:45:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 17:45:40,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 17:45:40,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-01 17:45:40,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 17:45:40,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 17:45:40,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:45:40,040 INFO L87 Difference]: Start difference. First operand 555 states and 623 transitions. Second operand 8 states. [2018-12-01 17:45:40,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 17:45:40,105 INFO L93 Difference]: Finished difference Result 891 states and 1009 transitions. [2018-12-01 17:45:40,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 17:45:40,105 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-01 17:45:40,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 17:45:40,106 INFO L225 Difference]: With dead ends: 891 [2018-12-01 17:45:40,106 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 17:45:40,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-01 17:45:40,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 17:45:40,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 17:45:40,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 17:45:40,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 17:45:40,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 152 [2018-12-01 17:45:40,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 17:45:40,108 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 17:45:40,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 17:45:40,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 17:45:40,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 17:45:40,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 17:45:40,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 17:45:40,525 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 37 [2018-12-01 17:45:40,632 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-12-01 17:45:41,226 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-12-01 17:45:41,893 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 42 [2018-12-01 17:45:42,402 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-12-01 17:45:42,402 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-12-01 17:45:42,402 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-01 17:45:42,402 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-12-01 17:45:42,402 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-01 17:45:42,402 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-12-01 17:45:42,403 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,403 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L451 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (or (or (not (= ~methaneLevelCritical~0 1)) (not (= ~systemActive~0 1))) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse0 .cse3) .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-12-01 17:45:42,404 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or (or .cse0 .cse5) .cse4 .cse2)))) [2018-12-01 17:45:42,404 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse2 .cse3 .cse4 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (or .cse0 .cse3) .cse2) (or .cse1 .cse4)))) [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 .cse1) .cse2) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse5)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or (or .cse0 .cse5) .cse4 .cse3)))) [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 17:45:42,405 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-12-01 17:45:42,405 INFO L444 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse0 .cse4 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2 .cse3))) [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L444 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse6 .cse2 .cse3))) [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-01 17:45:42,406 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-12-01 17:45:42,406 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-01 17:45:42,407 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L451 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or (or .cse0 .cse6) .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-12-01 17:45:42,407 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L451 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L451 ceAbstractionStarter]: At program point L403-2(lines 403 417) the Hoare annotation is: true [2018-12-01 17:45:42,408 INFO L451 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L451 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-12-01 17:45:42,408 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-01 17:45:42,408 INFO L444 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (or .cse10 .cse1)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse11 (and (= 1 ~waterLevel~0) .cse9))) (and (or .cse0 (= 0 ~pumpRunning~0) .cse1 .cse2) (or .cse3 .cse1 .cse2 .cse4) (or .cse5 .cse3 (and .cse6 .cse7) .cse8 .cse4) (or .cse0 .cse3 .cse5 (and .cse6 .cse7 .cse9) .cse8) (or .cse10 .cse11 .cse1 .cse12 .cse8 .cse4) (or .cse0 .cse10 .cse1 .cse12 .cse8 .cse11)))) [2018-12-01 17:45:42,408 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 .cse4 .cse5)))) [2018-12-01 17:45:42,408 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-12-01 17:45:42,408 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-12-01 17:45:42,408 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-01 17:45:42,409 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse4 (not (= |old(~systemActive~0)| 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (or (not (= 0 ~pumpRunning~0)) .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse1) (or .cse6 .cse0 .cse1 .cse2) (or .cse6 .cse4 .cse5 .cse1)))) [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-01 17:45:42,409 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-12-01 17:45:42,409 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-12-01 17:45:42,409 INFO L444 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-01 17:45:42,409 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-01 17:45:42,410 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-01 17:45:42,410 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-01 17:45:42,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 05:45:42 BoogieIcfgContainer [2018-12-01 17:45:42,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 17:45:42,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 17:45:42,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 17:45:42,418 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 17:45:42,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 05:45:36" (3/4) ... [2018-12-01 17:45:42,421 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 17:45:42,425 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 17:45:42,426 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 17:45:42,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 17:45:42,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 17:45:42,427 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 17:45:42,431 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-01 17:45:42,431 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 17:45:42,431 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 17:45:42,432 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 17:45:42,432 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 17:45:42,432 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 17:45:42,449 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) [2018-12-01 17:45:42,449 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 17:45:42,469 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_41ba8a46-8756-47ec-9618-b843bcec576c/bin-2019/uautomizer/witness.graphml [2018-12-01 17:45:42,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 17:45:42,469 INFO L168 Benchmark]: Toolchain (without parser) took 6507.30 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 303.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -224.2 MB). Peak memory consumption was 79.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.51 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: Boogie Preprocessor took 20.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: RCFGBuilder took 320.73 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: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: TraceAbstraction took 5813.21 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 219.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -172.7 MB). Peak memory consumption was 424.0 MB. Max. memory is 11.5 GB. [2018-12-01 17:45:42,470 INFO L168 Benchmark]: Witness Printer took 50.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-12-01 17:45:42,471 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 84.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.51 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 20.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 320.73 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: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5813.21 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 219.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -172.7 MB). Peak memory consumption was 424.0 MB. Max. memory is 11.5 GB. * Witness Printer took 50.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((pumpRunning == 1 && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 5.7s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1970 SDtfs, 1213 SDslu, 5735 SDs, 0 SdLazy, 2001 SolverSat, 275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 438 GetRequests, 352 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 496 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1349 PreInvPairs, 1406 NumberOfFragments, 2490 HoareAnnotationTreeSize, 1349 FomulaSimplifications, 5804 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7440 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1370 NumberOfCodeBlocks, 1370 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1356 ConstructedInterpolants, 0 QuantifiedInterpolants, 253346 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1802 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 186/194 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...