./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/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 bf50661cace84e24af5f399094bd98fed0ff7444 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:02:13,417 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:02:13,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:02:13,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:02:13,428 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:02:13,429 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:02:13,430 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:02:13,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:02:13,432 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:02:13,433 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:02:13,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:02:13,434 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:02:13,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:02:13,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:02:13,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:02:13,436 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:02:13,437 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:02:13,438 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:02:13,439 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:02:13,441 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:02:13,441 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:02:13,442 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:02:13,444 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:02:13,444 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:02:13,444 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:02:13,445 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:02:13,445 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:02:13,446 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:02:13,446 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:02:13,447 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:02:13,447 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:02:13,448 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:02:13,448 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:02:13,448 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:02:13,449 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:02:13,449 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:02:13,450 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:02:13,460 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:02:13,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:02:13,461 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:02:13,461 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:02:13,462 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:02:13,462 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:02:13,462 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:02:13,462 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:02:13,462 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:02:13,462 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:02:13,462 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:02:13,463 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:02:13,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:02:13,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:02:13,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:02:13,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:02:13,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:02:13,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:02:13,465 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:02:13,465 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:02:13,465 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:02:13,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:02:13,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:02:13,465 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_b998dd58-5944-443a-b495-084c564b4970/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 -> bf50661cace84e24af5f399094bd98fed0ff7444 [2018-11-28 12:02:13,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:02:13,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:02:13,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:02:13,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:02:13,500 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:02:13,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-28 12:02:13,537 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/data/305ce1d1a/14f050b6bca74a8aa944a7884d16947f/FLAG3daa416f2 [2018-11-28 12:02:13,978 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:02:13,979 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/sv-benchmarks/c/product-lines/minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-28 12:02:13,985 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/data/305ce1d1a/14f050b6bca74a8aa944a7884d16947f/FLAG3daa416f2 [2018-11-28 12:02:13,993 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/data/305ce1d1a/14f050b6bca74a8aa944a7884d16947f [2018-11-28 12:02:13,995 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:02:13,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:02:13,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:02:13,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:02:13,999 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:02:13,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:02:13" (1/1) ... [2018-11-28 12:02:14,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14, skipping insertion in model container [2018-11-28 12:02:14,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:02:13" (1/1) ... [2018-11-28 12:02:14,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:02:14,031 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:02:14,209 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:02:14,219 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:02:14,321 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:02:14,345 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:02:14,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14 WrapperNode [2018-11-28 12:02:14,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:02:14,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:02:14,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:02:14,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:02:14,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:02:14,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:02:14,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:02:14,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:02:14,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... [2018-11-28 12:02:14,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:02:14,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:02:14,407 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:02:14,407 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:02:14,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:02:14,443 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:02:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:02:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:02:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:02:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:02:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:02:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:02:14,444 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:02:14,444 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:02:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:02:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:02:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:02:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:02:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:02:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:02:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:02:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:02:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:02:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:02:14,445 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:02:14,445 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:02:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:02:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:02:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:02:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:02:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:02:14,446 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:02:14,446 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:02:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:02:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:02:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:02:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:02:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:02:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:02:14,447 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:02:14,447 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:02:14,448 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:02:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:02:14,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:02:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:02:14,448 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:02:14,448 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:02:14,448 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:02:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:02:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:02:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:02:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:02:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:02:14,449 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:02:14,449 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:02:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:02:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:02:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:02:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:02:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:02:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:02:14,450 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:02:14,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:02:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:02:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:02:14,451 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:02:14,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:02:14,828 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:02:14,828 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:02:14,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:02:14 BoogieIcfgContainer [2018-11-28 12:02:14,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:02:14,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:02:14,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:02:14,832 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:02:14,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:02:13" (1/3) ... [2018-11-28 12:02:14,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b852dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:02:14, skipping insertion in model container [2018-11-28 12:02:14,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:02:14" (2/3) ... [2018-11-28 12:02:14,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b852dbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:02:14, skipping insertion in model container [2018-11-28 12:02:14,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:02:14" (3/3) ... [2018-11-28 12:02:14,834 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product61_true-unreach-call_false-termination.cil.c [2018-11-28 12:02:14,840 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:02:14,848 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:02:14,857 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:02:14,877 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:02:14,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:02:14,877 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:02:14,877 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:02:14,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:02:14,878 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:02:14,878 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:02:14,878 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:02:14,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:02:14,892 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-28 12:02:14,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:02:14,898 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:14,898 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] [2018-11-28 12:02:14,900 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:14,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:14,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1498738476, now seen corresponding path program 1 times [2018-11-28 12:02:14,905 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:14,905 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:14,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:14,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:14,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:15,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:15,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:15,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:02:15,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:02:15,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:02:15,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:02:15,085 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-28 12:02:15,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:15,110 INFO L93 Difference]: Finished difference Result 300 states and 375 transitions. [2018-11-28 12:02:15,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:02:15,111 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:02:15,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:15,118 INFO L225 Difference]: With dead ends: 300 [2018-11-28 12:02:15,119 INFO L226 Difference]: Without dead ends: 150 [2018-11-28 12:02:15,121 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:02:15,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-28 12:02:15,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-28 12:02:15,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 12:02:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 179 transitions. [2018-11-28 12:02:15,153 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 179 transitions. Word has length 46 [2018-11-28 12:02:15,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:15,153 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 179 transitions. [2018-11-28 12:02:15,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:02:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 179 transitions. [2018-11-28 12:02:15,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:02:15,156 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:15,156 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] [2018-11-28 12:02:15,156 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:15,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:15,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1709760892, now seen corresponding path program 1 times [2018-11-28 12:02:15,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:15,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:15,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:15,231 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:15,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:02:15,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:02:15,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:02:15,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:02:15,233 INFO L87 Difference]: Start difference. First operand 150 states and 179 transitions. Second operand 3 states. [2018-11-28 12:02:15,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:15,254 INFO L93 Difference]: Finished difference Result 249 states and 297 transitions. [2018-11-28 12:02:15,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:02:15,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:02:15,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:15,256 INFO L225 Difference]: With dead ends: 249 [2018-11-28 12:02:15,256 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 12:02:15,257 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:02:15,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 12:02:15,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 12:02:15,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 12:02:15,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 167 transitions. [2018-11-28 12:02:15,269 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 167 transitions. Word has length 47 [2018-11-28 12:02:15,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:15,270 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 167 transitions. [2018-11-28 12:02:15,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:02:15,270 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 167 transitions. [2018-11-28 12:02:15,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:02:15,271 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:15,271 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] [2018-11-28 12:02:15,271 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:15,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:15,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1598085398, now seen corresponding path program 1 times [2018-11-28 12:02:15,272 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:15,272 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:15,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:15,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:15,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:15,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:15,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:02:15,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:02:15,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:02:15,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:02:15,372 INFO L87 Difference]: Start difference. First operand 141 states and 167 transitions. Second operand 7 states. [2018-11-28 12:02:15,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:15,619 INFO L93 Difference]: Finished difference Result 258 states and 311 transitions. [2018-11-28 12:02:15,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:02:15,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:02:15,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:15,622 INFO L225 Difference]: With dead ends: 258 [2018-11-28 12:02:15,622 INFO L226 Difference]: Without dead ends: 141 [2018-11-28 12:02:15,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:02:15,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-28 12:02:15,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-28 12:02:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-28 12:02:15,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-28 12:02:15,637 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-11-28 12:02:15,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:15,637 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-28 12:02:15,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:02:15,637 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-28 12:02:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 12:02:15,639 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:15,639 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:15,639 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:15,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:15,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1284631829, now seen corresponding path program 1 times [2018-11-28 12:02:15,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:15,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:15,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:15,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:15,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:15,715 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:15,715 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:02:15,716 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:02:15,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:02:15,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:02:15,716 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 5 states. [2018-11-28 12:02:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:16,094 INFO L93 Difference]: Finished difference Result 367 states and 446 transitions. [2018-11-28 12:02:16,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:02:16,095 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-11-28 12:02:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:16,097 INFO L225 Difference]: With dead ends: 367 [2018-11-28 12:02:16,097 INFO L226 Difference]: Without dead ends: 250 [2018-11-28 12:02:16,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:02:16,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-11-28 12:02:16,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 232. [2018-11-28 12:02:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-28 12:02:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 264 transitions. [2018-11-28 12:02:16,120 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 264 transitions. Word has length 69 [2018-11-28 12:02:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:16,120 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 264 transitions. [2018-11-28 12:02:16,120 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:02:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 264 transitions. [2018-11-28 12:02:16,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:02:16,122 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:16,122 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:16,122 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:16,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:16,123 INFO L82 PathProgramCache]: Analyzing trace with hash -65271002, now seen corresponding path program 1 times [2018-11-28 12:02:16,123 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:16,123 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:16,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:16,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:16,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:16,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:16,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:02:16,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:02:16,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:02:16,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:02:16,208 INFO L87 Difference]: Start difference. First operand 232 states and 264 transitions. Second operand 8 states. [2018-11-28 12:02:16,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:16,242 INFO L93 Difference]: Finished difference Result 447 states and 523 transitions. [2018-11-28 12:02:16,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:02:16,243 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-28 12:02:16,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:16,245 INFO L225 Difference]: With dead ends: 447 [2018-11-28 12:02:16,245 INFO L226 Difference]: Without dead ends: 239 [2018-11-28 12:02:16,246 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 [2018-11-28 12:02:16,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-28 12:02:16,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 236. [2018-11-28 12:02:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2018-11-28 12:02:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 268 transitions. [2018-11-28 12:02:16,262 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 268 transitions. Word has length 83 [2018-11-28 12:02:16,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:16,262 INFO L480 AbstractCegarLoop]: Abstraction has 236 states and 268 transitions. [2018-11-28 12:02:16,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:02:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 268 transitions. [2018-11-28 12:02:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 12:02:16,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:16,264 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:16,264 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:16,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:16,264 INFO L82 PathProgramCache]: Analyzing trace with hash -766870876, now seen corresponding path program 1 times [2018-11-28 12:02:16,264 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:16,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:16,265 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:16,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:16,339 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:16,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:02:16,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:02:16,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:02:16,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:02:16,340 INFO L87 Difference]: Start difference. First operand 236 states and 268 transitions. Second operand 6 states. [2018-11-28 12:02:16,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:16,477 INFO L93 Difference]: Finished difference Result 645 states and 754 transitions. [2018-11-28 12:02:16,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:02:16,478 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 12:02:16,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:16,480 INFO L225 Difference]: With dead ends: 645 [2018-11-28 12:02:16,481 INFO L226 Difference]: Without dead ends: 433 [2018-11-28 12:02:16,481 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 [2018-11-28 12:02:16,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2018-11-28 12:02:16,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 427. [2018-11-28 12:02:16,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-28 12:02:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 486 transitions. [2018-11-28 12:02:16,504 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 486 transitions. Word has length 83 [2018-11-28 12:02:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:16,505 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 486 transitions. [2018-11-28 12:02:16,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:02:16,505 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 486 transitions. [2018-11-28 12:02:16,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 12:02:16,506 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:16,506 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:16,506 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:16,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:16,507 INFO L82 PathProgramCache]: Analyzing trace with hash 1867403624, now seen corresponding path program 1 times [2018-11-28 12:02:16,507 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:16,507 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:16,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:16,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:16,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:16,579 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:02:16,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:02:16,580 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:02:16,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:02:16,580 INFO L87 Difference]: Start difference. First operand 427 states and 486 transitions. Second operand 7 states. [2018-11-28 12:02:16,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:16,912 INFO L93 Difference]: Finished difference Result 460 states and 536 transitions. [2018-11-28 12:02:16,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 12:02:16,913 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-11-28 12:02:16,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:16,915 INFO L225 Difference]: With dead ends: 460 [2018-11-28 12:02:16,915 INFO L226 Difference]: Without dead ends: 457 [2018-11-28 12:02:16,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 12:02:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2018-11-28 12:02:16,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 427. [2018-11-28 12:02:16,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2018-11-28 12:02:16,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 485 transitions. [2018-11-28 12:02:16,933 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 485 transitions. Word has length 87 [2018-11-28 12:02:16,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:16,934 INFO L480 AbstractCegarLoop]: Abstraction has 427 states and 485 transitions. [2018-11-28 12:02:16,934 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:02:16,934 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 485 transitions. [2018-11-28 12:02:16,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 12:02:16,935 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:16,935 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:16,935 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:16,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:16,935 INFO L82 PathProgramCache]: Analyzing trace with hash 157461945, now seen corresponding path program 1 times [2018-11-28 12:02:16,935 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:16,936 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:16,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:16,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:16,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:02:16,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:16,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:02:16,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:02:16,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:02:16,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:02:16,989 INFO L87 Difference]: Start difference. First operand 427 states and 485 transitions. Second operand 6 states. [2018-11-28 12:02:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:17,015 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2018-11-28 12:02:17,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:02:17,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 12:02:17,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:17,019 INFO L225 Difference]: With dead ends: 844 [2018-11-28 12:02:17,019 INFO L226 Difference]: Without dead ends: 441 [2018-11-28 12:02:17,019 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 [2018-11-28 12:02:17,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-11-28 12:02:17,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 437. [2018-11-28 12:02:17,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-11-28 12:02:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 495 transitions. [2018-11-28 12:02:17,036 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 495 transitions. Word has length 103 [2018-11-28 12:02:17,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:17,036 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 495 transitions. [2018-11-28 12:02:17,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:02:17,036 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 495 transitions. [2018-11-28 12:02:17,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 12:02:17,038 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:17,038 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:17,038 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:17,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:17,039 INFO L82 PathProgramCache]: Analyzing trace with hash 937564156, now seen corresponding path program 1 times [2018-11-28 12:02:17,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:17,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:17,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:17,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:17,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:17,096 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:02:17,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:02:17,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:02:17,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:02:17,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:02:17,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:02:17,097 INFO L87 Difference]: Start difference. First operand 437 states and 495 transitions. Second operand 4 states. [2018-11-28 12:02:17,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:17,226 INFO L93 Difference]: Finished difference Result 1297 states and 1546 transitions. [2018-11-28 12:02:17,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:02:17,228 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-28 12:02:17,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:17,231 INFO L225 Difference]: With dead ends: 1297 [2018-11-28 12:02:17,231 INFO L226 Difference]: Without dead ends: 884 [2018-11-28 12:02:17,232 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 [2018-11-28 12:02:17,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 884 states. [2018-11-28 12:02:17,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 884 to 869. [2018-11-28 12:02:17,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-28 12:02:17,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1015 transitions. [2018-11-28 12:02:17,261 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1015 transitions. Word has length 103 [2018-11-28 12:02:17,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:17,261 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1015 transitions. [2018-11-28 12:02:17,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:02:17,261 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1015 transitions. [2018-11-28 12:02:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 12:02:17,263 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:17,263 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:17,263 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:17,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:17,263 INFO L82 PathProgramCache]: Analyzing trace with hash 1484540002, now seen corresponding path program 1 times [2018-11-28 12:02:17,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:17,264 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:17,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:17,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:17,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:17,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:02:17,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:17,353 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:02:17,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:17,454 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:02:17,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:02:17,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:02:17,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:02:17,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:02:17,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:02:17,605 INFO L87 Difference]: Start difference. First operand 869 states and 1015 transitions. Second operand 19 states. [2018-11-28 12:02:18,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:18,418 INFO L93 Difference]: Finished difference Result 1682 states and 1988 transitions. [2018-11-28 12:02:18,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:02:18,418 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-28 12:02:18,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:18,421 INFO L225 Difference]: With dead ends: 1682 [2018-11-28 12:02:18,421 INFO L226 Difference]: Without dead ends: 837 [2018-11-28 12:02:18,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:02:18,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2018-11-28 12:02:18,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 837. [2018-11-28 12:02:18,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 837 states. [2018-11-28 12:02:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 837 states and 963 transitions. [2018-11-28 12:02:18,449 INFO L78 Accepts]: Start accepts. Automaton has 837 states and 963 transitions. Word has length 107 [2018-11-28 12:02:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:18,449 INFO L480 AbstractCegarLoop]: Abstraction has 837 states and 963 transitions. [2018-11-28 12:02:18,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:02:18,449 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 963 transitions. [2018-11-28 12:02:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-28 12:02:18,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:02:18,452 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:02:18,452 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:02:18,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:02:18,452 INFO L82 PathProgramCache]: Analyzing trace with hash 98941654, now seen corresponding path program 1 times [2018-11-28 12:02:18,452 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:02:18,452 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:02:18,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:18,453 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:18,453 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:02:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 12:02:18,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:02:18,557 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:02:18,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:02:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:02:18,640 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:02:18,765 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 12:02:18,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:02:18,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:02:18,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:02:18,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:02:18,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:02:18,782 INFO L87 Difference]: Start difference. First operand 837 states and 963 transitions. Second operand 19 states. [2018-11-28 12:02:19,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:02:19,353 INFO L93 Difference]: Finished difference Result 1397 states and 1636 transitions. [2018-11-28 12:02:19,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:02:19,354 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-11-28 12:02:19,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:02:19,355 INFO L225 Difference]: With dead ends: 1397 [2018-11-28 12:02:19,355 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:02:19,356 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:02:19,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:02:19,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:02:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:02:19,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:02:19,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-28 12:02:19,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:02:19,357 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:02:19,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:02:19,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:02:19,358 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:02:19,360 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:02:19,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:02:19,945 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-11-28 12:02:20,814 WARN L180 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-11-28 12:02:21,364 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 12:02:21,364 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 12:02:21,364 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 12:02:21,364 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 12:02:21,364 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 300 322) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 300 322) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L312-1(line 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 317) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point L310-1(lines 310 317) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L306-1(line 306) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 300 322) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 387 411) no Hoare annotation was computed. [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L401(line 401) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 387 411) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-28 12:02:21,365 INFO L444 ceAbstractionStarter]: At program point L397(line 397) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-28 12:02:21,365 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 387 411) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L444 ceAbstractionStarter]: At program point L393(line 393) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L393-1(line 393) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 408) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 482 490) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 482 490) the Hoare annotation is: true [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 482 490) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 559) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 546 564) the Hoare annotation is: true [2018-11-28 12:02:21,366 INFO L451 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L555-2(lines 555 559) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 546 564) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 546 564) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 12:02:21,366 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 290 299) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 290 299) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 290 299) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 471 481) the Hoare annotation is: true [2018-11-28 12:02:21,366 INFO L451 ceAbstractionStarter]: At program point L476(line 476) the Hoare annotation is: true [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point L476-1(line 476) no Hoare annotation was computed. [2018-11-28 12:02:21,366 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 471 481) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 471 481) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 463 470) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 463 470) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 463 470) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 434) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 413 437) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 413 437) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 12:02:21,367 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 413 437) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 12:02:21,367 INFO L444 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 429) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point L419-1(line 419) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-11-28 12:02:21,367 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 353 359) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 353 359) the Hoare annotation is: true [2018-11-28 12:02:21,368 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 566 629) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,368 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 566 629) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L444 ceAbstractionStarter]: At program point L622(lines 575 623) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:02:21,368 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 616) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L444 ceAbstractionStarter]: At program point L612-2(lines 606 617) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 12:02:21,368 INFO L448 ceAbstractionStarter]: For program point L577(lines 576 621) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 617) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 12:02:21,368 INFO L448 ceAbstractionStarter]: For program point L596(lines 596 602) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L448 ceAbstractionStarter]: For program point L596-1(lines 596 602) no Hoare annotation was computed. [2018-11-28 12:02:21,368 INFO L444 ceAbstractionStarter]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 12:02:21,369 INFO L444 ceAbstractionStarter]: At program point L619(lines 576 621) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 592) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point L586-1(lines 586 592) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 566 629) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 582) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 438 445) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 438 445) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 438 445) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-11-28 12:02:21,369 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:02:21,370 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 12:02:21,370 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:02:21,370 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 446 462) no Hoare annotation was computed. [2018-11-28 12:02:21,370 INFO L444 ceAbstractionStarter]: At program point L457(line 457) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:02:21,370 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 446 462) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-28 12:02:21,370 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 446 462) no Hoare annotation was computed. [2018-11-28 12:02:21,370 INFO L448 ceAbstractionStarter]: For program point L453(lines 453 459) no Hoare annotation was computed. [2018-11-28 12:02:21,370 INFO L444 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-28 12:02:21,370 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-28 12:02:21,370 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 527 545) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 540) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L451 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: true [2018-11-28 12:02:21,371 INFO L448 ceAbstractionStarter]: For program point L536-2(lines 536 540) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 527 545) the Hoare annotation is: true [2018-11-28 12:02:21,371 INFO L448 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 527 545) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-28 12:02:21,371 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-11-28 12:02:21,371 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-11-28 12:02:21,372 INFO L444 ceAbstractionStarter]: At program point L340(lines 340 346) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-11-28 12:02:21,372 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 329 352) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-11-28 12:02:21,372 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-11-28 12:02:21,372 INFO L448 ceAbstractionStarter]: For program point L333(lines 332 351) no Hoare annotation was computed. [2018-11-28 12:02:21,372 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 329 352) no Hoare annotation was computed. [2018-11-28 12:02:21,372 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 329 352) no Hoare annotation was computed. [2018-11-28 12:02:21,372 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2018-11-28 12:02:21,372 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 227 256) the Hoare annotation is: true [2018-11-28 12:02:21,372 INFO L451 ceAbstractionStarter]: At program point L252(lines 227 256) the Hoare annotation is: true [2018-11-28 12:02:21,372 INFO L448 ceAbstractionStarter]: For program point L248(line 248) no Hoare annotation was computed. [2018-11-28 12:02:21,372 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 245) no Hoare annotation was computed. [2018-11-28 12:02:21,372 INFO L451 ceAbstractionStarter]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point L238(line 238) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L451 ceAbstractionStarter]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2018-11-28 12:02:21,373 INFO L451 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: true [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: true [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 282 288) no Hoare annotation was computed. [2018-11-28 12:02:21,373 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 282 288) the Hoare annotation is: true [2018-11-28 12:02:21,373 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:02:21,374 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 12:02:21,374 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:02:21,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:02:21,374 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 361 385) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-11-28 12:02:21,374 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-11-28 12:02:21,374 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 361 385) no Hoare annotation was computed. [2018-11-28 12:02:21,374 INFO L448 ceAbstractionStarter]: For program point L380-1(lines 361 385) no Hoare annotation was computed. [2018-11-28 12:02:21,374 INFO L444 ceAbstractionStarter]: At program point L375(line 375) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-28 12:02:21,374 INFO L444 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-11-28 12:02:21,374 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 377) no Hoare annotation was computed. [2018-11-28 12:02:21,374 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 382) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 189 196) the Hoare annotation is: true [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-11-28 12:02:21,375 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 199 223) the Hoare annotation is: true [2018-11-28 12:02:21,375 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 199 223) no Hoare annotation was computed. [2018-11-28 12:02:21,376 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:02:21,376 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-11-28 12:02:21,376 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:02:21,376 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-11-28 12:02:21,376 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 220) no Hoare annotation was computed. [2018-11-28 12:02:21,376 INFO L448 ceAbstractionStarter]: For program point L207-1(lines 199 223) no Hoare annotation was computed. [2018-11-28 12:02:21,376 INFO L451 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: true [2018-11-28 12:02:21,376 INFO L448 ceAbstractionStarter]: For program point L205-1(line 205) no Hoare annotation was computed. [2018-11-28 12:02:21,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:02:21 BoogieIcfgContainer [2018-11-28 12:02:21,390 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:02:21,391 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:02:21,391 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:02:21,391 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:02:21,391 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:02:14" (3/4) ... [2018-11-28 12:02:21,394 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:02:21,398 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:02:21,399 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:02:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:02:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:02:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:02:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:02:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:02:21,400 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:02:21,407 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 12:02:21,407 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:02:21,407 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:02:21,408 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:02:21,408 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:02:21,408 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:02:21,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-11-28 12:02:21,433 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:02:21,466 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b998dd58-5944-443a-b495-084c564b4970/bin-2019/uautomizer/witness.graphml [2018-11-28 12:02:21,467 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:02:21,467 INFO L168 Benchmark]: Toolchain (without parser) took 7471.83 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 367.0 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -291.7 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:21,468 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:02:21,468 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:21,468 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.38 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:02:21,468 INFO L168 Benchmark]: Boogie Preprocessor took 31.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:21,468 INFO L168 Benchmark]: RCFGBuilder took 421.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:21,468 INFO L168 Benchmark]: TraceAbstraction took 6561.25 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -233.1 MB). Peak memory consumption was 415.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:21,469 INFO L168 Benchmark]: Witness Printer took 75.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:02:21,470 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -136.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.38 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 31.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 421.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.9 MB). Peak memory consumption was 61.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6561.25 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 266.9 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -233.1 MB). Peak memory consumption was 415.6 MB. Max. memory is 11.5 GB. * Witness Printer took 75.96 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 163 locations, 1 error locations. SAFE Result, 6.5s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2180 SDtfs, 1524 SDslu, 7924 SDs, 0 SdLazy, 3314 SolverSat, 362 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 430 GetRequests, 320 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=869occurred in iteration=9, 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 76 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 1753 PreInvPairs, 1841 NumberOfFragments, 1651 HoareAnnotationTreeSize, 1753 FomulaSimplifications, 2066 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 68 FomulaSimplificationsInter, 6713 FormulaSimplificationTreeSizeReductionInter, 1.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1238 NumberOfCodeBlocks, 1238 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1225 ConstructedInterpolants, 0 QuantifiedInterpolants, 214738 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 112/116 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...