./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/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 57406ed1e8515a3807c9750d676c6ccf8b3f94ad ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 19:13:48,051 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:13:48,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:13:48,060 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:13:48,061 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:13:48,061 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:13:48,062 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:13:48,063 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:13:48,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:13:48,065 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:13:48,066 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:13:48,066 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:13:48,067 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:13:48,067 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:13:48,068 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:13:48,069 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:13:48,069 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:13:48,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:13:48,072 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:13:48,073 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:13:48,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:13:48,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:13:48,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:13:48,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:13:48,076 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:13:48,077 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:13:48,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:13:48,078 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:13:48,079 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:13:48,079 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:13:48,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:13:48,080 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:13:48,080 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:13:48,080 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:13:48,081 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:13:48,081 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:13:48,081 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 19:13:48,091 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:13:48,092 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:13:48,092 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:13:48,092 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 19:13:48,093 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:13:48,093 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:13:48,093 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 19:13:48,093 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:13:48,093 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:13:48,093 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:13:48,093 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:13:48,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:13:48,094 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:13:48,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:13:48,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:13:48,095 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_3fcf50ad-3593-4fca-b336-4c17c3d97beb/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 -> 57406ed1e8515a3807c9750d676c6ccf8b3f94ad [2018-12-01 19:13:48,118 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:13:48,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:13:48,129 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:13:48,130 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:13:48,131 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:13:48,131 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-12-01 19:13:48,169 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/data/571fe4d52/0878b080b1024db5b4dabf42a265dc02/FLAG91d08e1b4 [2018-12-01 19:13:48,631 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:13:48,632 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/sv-benchmarks/c/product-lines/minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-12-01 19:13:48,638 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/data/571fe4d52/0878b080b1024db5b4dabf42a265dc02/FLAG91d08e1b4 [2018-12-01 19:13:49,153 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/data/571fe4d52/0878b080b1024db5b4dabf42a265dc02 [2018-12-01 19:13:49,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:13:49,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:13:49,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:13:49,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:13:49,160 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:13:49,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49, skipping insertion in model container [2018-12-01 19:13:49,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:13:49,191 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:13:49,348 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:13:49,397 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:13:49,442 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:13:49,457 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:13:49,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49 WrapperNode [2018-12-01 19:13:49,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:13:49,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:13:49,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:13:49,458 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:13:49,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:13:49,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:13:49,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:13:49,479 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:13:49,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... [2018-12-01 19:13:49,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:13:49,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:13:49,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:13:49,503 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:13:49,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:13:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 19:13:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 19:13:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 19:13:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 19:13:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 19:13:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 19:13:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:13:49,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 19:13:49,540 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 19:13:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 19:13:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 19:13:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 19:13:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 19:13:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 19:13:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 19:13:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 19:13:49,541 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 19:13:49,541 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 19:13:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 19:13:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 19:13:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 19:13:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-01 19:13:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-01 19:13:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-01 19:13:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-01 19:13:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 19:13:49,542 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 19:13:49,542 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 19:13:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 19:13:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 19:13:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 19:13:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 19:13:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 19:13:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 19:13:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 19:13:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 19:13:49,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 19:13:49,543 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:13:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:13:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 19:13:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 19:13:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 19:13:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 19:13:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 19:13:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 19:13:49,544 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 19:13:49,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 19:13:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 19:13:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 19:13:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 19:13:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 19:13:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 19:13:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 19:13:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 19:13:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 19:13:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 19:13:49,545 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 19:13:49,545 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 19:13:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 19:13:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 19:13:49,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:13:49,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:13:49,820 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:13:49,820 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 19:13:49,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:13:49 BoogieIcfgContainer [2018-12-01 19:13:49,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:13:49,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 19:13:49,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 19:13:49,823 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 19:13:49,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 07:13:49" (1/3) ... [2018-12-01 19:13:49,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6e6dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:13:49, skipping insertion in model container [2018-12-01 19:13:49,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:13:49" (2/3) ... [2018-12-01 19:13:49,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a6e6dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:13:49, skipping insertion in model container [2018-12-01 19:13:49,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:13:49" (3/3) ... [2018-12-01 19:13:49,825 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product57_true-unreach-call_false-termination.cil.c [2018-12-01 19:13:49,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 19:13:49,835 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 19:13:49,844 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 19:13:49,861 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 19:13:49,862 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 19:13:49,862 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 19:13:49,862 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 19:13:49,862 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 19:13:49,862 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 19:13:49,862 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 19:13:49,862 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 19:13:49,862 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 19:13:49,874 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-12-01 19:13:49,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 19:13:49,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:49,879 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:49,881 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:49,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:49,884 INFO L82 PathProgramCache]: Analyzing trace with hash 695158578, now seen corresponding path program 1 times [2018-12-01 19:13:49,885 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:49,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:49,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:49,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:49,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:50,026 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:50,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 19:13:50,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 19:13:50,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 19:13:50,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 19:13:50,038 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-12-01 19:13:50,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:50,061 INFO L93 Difference]: Finished difference Result 286 states and 353 transitions. [2018-12-01 19:13:50,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 19:13:50,061 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-01 19:13:50,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:50,069 INFO L225 Difference]: With dead ends: 286 [2018-12-01 19:13:50,069 INFO L226 Difference]: Without dead ends: 145 [2018-12-01 19:13:50,071 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 19:13:50,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-12-01 19:13:50,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-12-01 19:13:50,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-12-01 19:13:50,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 170 transitions. [2018-12-01 19:13:50,102 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 170 transitions. Word has length 51 [2018-12-01 19:13:50,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:50,102 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 170 transitions. [2018-12-01 19:13:50,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 19:13:50,103 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 170 transitions. [2018-12-01 19:13:50,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 19:13:50,104 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:50,105 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:50,105 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:50,105 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:50,105 INFO L82 PathProgramCache]: Analyzing trace with hash 382336584, now seen corresponding path program 1 times [2018-12-01 19:13:50,105 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:50,105 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:50,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:50,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:50,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:50,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:50,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:13:50,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:13:50,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:13:50,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:13:50,165 INFO L87 Difference]: Start difference. First operand 145 states and 170 transitions. Second operand 3 states. [2018-12-01 19:13:50,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:50,179 INFO L93 Difference]: Finished difference Result 235 states and 275 transitions. [2018-12-01 19:13:50,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:13:50,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-01 19:13:50,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:50,180 INFO L225 Difference]: With dead ends: 235 [2018-12-01 19:13:50,180 INFO L226 Difference]: Without dead ends: 136 [2018-12-01 19:13:50,181 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:13:50,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-01 19:13:50,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-01 19:13:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-01 19:13:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 158 transitions. [2018-12-01 19:13:50,189 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 158 transitions. Word has length 52 [2018-12-01 19:13:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:50,190 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 158 transitions. [2018-12-01 19:13:50,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:13:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 158 transitions. [2018-12-01 19:13:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 19:13:50,191 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:50,191 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:50,191 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:50,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:50,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1306371855, now seen corresponding path program 1 times [2018-12-01 19:13:50,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:50,192 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:50,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:50,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:50,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:50,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:50,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 19:13:50,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 19:13:50,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 19:13:50,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 19:13:50,266 INFO L87 Difference]: Start difference. First operand 136 states and 158 transitions. Second operand 7 states. [2018-12-01 19:13:50,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:50,448 INFO L93 Difference]: Finished difference Result 244 states and 289 transitions. [2018-12-01 19:13:50,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:13:50,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-01 19:13:50,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:50,450 INFO L225 Difference]: With dead ends: 244 [2018-12-01 19:13:50,450 INFO L226 Difference]: Without dead ends: 136 [2018-12-01 19:13:50,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 19:13:50,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-01 19:13:50,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-01 19:13:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-01 19:13:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-12-01 19:13:50,463 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 56 [2018-12-01 19:13:50,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:50,463 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-12-01 19:13:50,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 19:13:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-12-01 19:13:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-01 19:13:50,465 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:50,465 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:50,465 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:50,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1404980815, now seen corresponding path program 1 times [2018-12-01 19:13:50,466 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:50,466 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:50,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:50,467 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:50,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:50,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 19:13:50,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 19:13:50,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 19:13:50,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-01 19:13:50,529 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 5 states. [2018-12-01 19:13:50,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:50,887 INFO L93 Difference]: Finished difference Result 342 states and 413 transitions. [2018-12-01 19:13:50,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 19:13:50,888 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-01 19:13:50,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:50,889 INFO L225 Difference]: With dead ends: 342 [2018-12-01 19:13:50,889 INFO L226 Difference]: Without dead ends: 234 [2018-12-01 19:13:50,890 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-01 19:13:50,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-12-01 19:13:50,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 216. [2018-12-01 19:13:50,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-01 19:13:50,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 248 transitions. [2018-12-01 19:13:50,905 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 248 transitions. Word has length 69 [2018-12-01 19:13:50,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:50,906 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 248 transitions. [2018-12-01 19:13:50,906 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 19:13:50,906 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 248 transitions. [2018-12-01 19:13:50,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 19:13:50,907 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:50,907 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:50,907 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:50,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:50,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1644843742, now seen corresponding path program 1 times [2018-12-01 19:13:50,908 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:50,908 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:50,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:50,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:50,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:50,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 19:13:50,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 19:13:50,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 19:13:50,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 19:13:50,976 INFO L87 Difference]: Start difference. First operand 216 states and 248 transitions. Second operand 4 states. [2018-12-01 19:13:51,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:51,104 INFO L93 Difference]: Finished difference Result 719 states and 881 transitions. [2018-12-01 19:13:51,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 19:13:51,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-12-01 19:13:51,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:51,107 INFO L225 Difference]: With dead ends: 719 [2018-12-01 19:13:51,107 INFO L226 Difference]: Without dead ends: 531 [2018-12-01 19:13:51,108 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 19:13:51,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-12-01 19:13:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 519. [2018-12-01 19:13:51,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-12-01 19:13:51,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 623 transitions. [2018-12-01 19:13:51,143 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 623 transitions. Word has length 83 [2018-12-01 19:13:51,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:51,143 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 623 transitions. [2018-12-01 19:13:51,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 19:13:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 623 transitions. [2018-12-01 19:13:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-01 19:13:51,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:51,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:51,146 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:51,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:51,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1624631555, now seen corresponding path program 1 times [2018-12-01 19:13:51,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:51,146 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:51,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:51,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:51,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:51,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:51,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:13:51,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:13:51,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:13:51,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:13:51,213 INFO L87 Difference]: Start difference. First operand 519 states and 623 transitions. Second operand 6 states. [2018-12-01 19:13:51,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:51,319 INFO L93 Difference]: Finished difference Result 1458 states and 1805 transitions. [2018-12-01 19:13:51,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 19:13:51,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-01 19:13:51,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:51,322 INFO L225 Difference]: With dead ends: 1458 [2018-12-01 19:13:51,322 INFO L226 Difference]: Without dead ends: 967 [2018-12-01 19:13:51,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 19:13:51,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 967 states. [2018-12-01 19:13:51,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 967 to 951. [2018-12-01 19:13:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 951 states. [2018-12-01 19:13:51,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 951 states and 1136 transitions. [2018-12-01 19:13:51,356 INFO L78 Accepts]: Start accepts. Automaton has 951 states and 1136 transitions. Word has length 83 [2018-12-01 19:13:51,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:51,356 INFO L480 AbstractCegarLoop]: Abstraction has 951 states and 1136 transitions. [2018-12-01 19:13:51,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:13:51,356 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1136 transitions. [2018-12-01 19:13:51,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-01 19:13:51,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:51,357 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:51,357 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:51,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:51,357 INFO L82 PathProgramCache]: Analyzing trace with hash 1746225127, now seen corresponding path program 1 times [2018-12-01 19:13:51,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:51,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:51,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:51,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:51,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:51,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:51,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 19:13:51,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 19:13:51,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 19:13:51,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 19:13:51,409 INFO L87 Difference]: Start difference. First operand 951 states and 1136 transitions. Second operand 7 states. [2018-12-01 19:13:51,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:51,775 INFO L93 Difference]: Finished difference Result 1957 states and 2403 transitions. [2018-12-01 19:13:51,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 19:13:51,775 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-01 19:13:51,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:51,779 INFO L225 Difference]: With dead ends: 1957 [2018-12-01 19:13:51,779 INFO L226 Difference]: Without dead ends: 1034 [2018-12-01 19:13:51,781 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-01 19:13:51,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states. [2018-12-01 19:13:51,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 948. [2018-12-01 19:13:51,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-12-01 19:13:51,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1127 transitions. [2018-12-01 19:13:51,820 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1127 transitions. Word has length 87 [2018-12-01 19:13:51,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:51,821 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1127 transitions. [2018-12-01 19:13:51,821 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 19:13:51,821 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1127 transitions. [2018-12-01 19:13:51,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 19:13:51,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:51,823 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] [2018-12-01 19:13:51,823 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:51,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:51,823 INFO L82 PathProgramCache]: Analyzing trace with hash 94127644, now seen corresponding path program 1 times [2018-12-01 19:13:51,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:51,823 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:51,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:51,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:51,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:13:51,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:51,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:13:51,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:13:51,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:13:51,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:13:51,857 INFO L87 Difference]: Start difference. First operand 948 states and 1127 transitions. Second operand 6 states. [2018-12-01 19:13:51,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:51,902 INFO L93 Difference]: Finished difference Result 1910 states and 2342 transitions. [2018-12-01 19:13:51,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 19:13:51,903 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-01 19:13:51,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:51,905 INFO L225 Difference]: With dead ends: 1910 [2018-12-01 19:13:51,906 INFO L226 Difference]: Without dead ends: 990 [2018-12-01 19:13:51,907 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 19:13:51,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2018-12-01 19:13:51,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 978. [2018-12-01 19:13:51,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 978 states. [2018-12-01 19:13:51,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 978 states and 1159 transitions. [2018-12-01 19:13:51,935 INFO L78 Accepts]: Start accepts. Automaton has 978 states and 1159 transitions. Word has length 103 [2018-12-01 19:13:51,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:51,935 INFO L480 AbstractCegarLoop]: Abstraction has 978 states and 1159 transitions. [2018-12-01 19:13:51,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:13:51,935 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1159 transitions. [2018-12-01 19:13:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-01 19:13:51,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:51,937 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] [2018-12-01 19:13:51,937 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:51,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:51,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2022400346, now seen corresponding path program 1 times [2018-12-01 19:13:51,937 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:51,937 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:51,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:51,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:52,002 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:13:52,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:52,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 19:13:52,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 19:13:52,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 19:13:52,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 19:13:52,003 INFO L87 Difference]: Start difference. First operand 978 states and 1159 transitions. Second operand 8 states. [2018-12-01 19:13:52,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:52,046 INFO L93 Difference]: Finished difference Result 1734 states and 2104 transitions. [2018-12-01 19:13:52,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 19:13:52,047 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-01 19:13:52,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:52,049 INFO L225 Difference]: With dead ends: 1734 [2018-12-01 19:13:52,049 INFO L226 Difference]: Without dead ends: 784 [2018-12-01 19:13:52,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 19:13:52,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2018-12-01 19:13:52,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2018-12-01 19:13:52,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2018-12-01 19:13:52,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 917 transitions. [2018-12-01 19:13:52,073 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 917 transitions. Word has length 103 [2018-12-01 19:13:52,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:52,073 INFO L480 AbstractCegarLoop]: Abstraction has 784 states and 917 transitions. [2018-12-01 19:13:52,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 19:13:52,073 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 917 transitions. [2018-12-01 19:13:52,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-01 19:13:52,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:52,075 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] [2018-12-01 19:13:52,075 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:52,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:52,075 INFO L82 PathProgramCache]: Analyzing trace with hash 785672447, now seen corresponding path program 1 times [2018-12-01 19:13:52,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:52,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:52,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:52,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:52,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 19:13:52,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:13:52,162 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:13:52,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:52,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:13:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:13:52,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:13:52,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 19:13:52,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 19:13:52,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 19:13:52,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 19:13:52,378 INFO L87 Difference]: Start difference. First operand 784 states and 917 transitions. Second operand 19 states. [2018-12-01 19:13:52,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:52,992 INFO L93 Difference]: Finished difference Result 1509 states and 1785 transitions. [2018-12-01 19:13:52,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 19:13:52,993 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-01 19:13:52,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:52,996 INFO L225 Difference]: With dead ends: 1509 [2018-12-01 19:13:52,996 INFO L226 Difference]: Without dead ends: 753 [2018-12-01 19:13:52,998 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 [2018-12-01 19:13:52,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-12-01 19:13:53,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 753. [2018-12-01 19:13:53,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 753 states. [2018-12-01 19:13:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 866 transitions. [2018-12-01 19:13:53,034 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 866 transitions. Word has length 107 [2018-12-01 19:13:53,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:53,034 INFO L480 AbstractCegarLoop]: Abstraction has 753 states and 866 transitions. [2018-12-01 19:13:53,034 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 19:13:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 866 transitions. [2018-12-01 19:13:53,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-01 19:13:53,037 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:53,037 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:53,037 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:53,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:53,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1918824001, now seen corresponding path program 1 times [2018-12-01 19:13:53,038 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:53,038 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:53,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:53,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:53,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:53,096 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 19:13:53,096 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:13:53,096 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:13:53,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:53,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:53,194 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:13:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 19:13:53,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:13:53,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-01 19:13:53,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:13:53,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:13:53,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:13:53,261 INFO L87 Difference]: Start difference. First operand 753 states and 866 transitions. Second operand 6 states. [2018-12-01 19:13:53,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:53,680 INFO L93 Difference]: Finished difference Result 1619 states and 1956 transitions. [2018-12-01 19:13:53,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 19:13:53,680 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 164 [2018-12-01 19:13:53,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:53,683 INFO L225 Difference]: With dead ends: 1619 [2018-12-01 19:13:53,684 INFO L226 Difference]: Without dead ends: 1014 [2018-12-01 19:13:53,685 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-01 19:13:53,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2018-12-01 19:13:53,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 919. [2018-12-01 19:13:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2018-12-01 19:13:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1076 transitions. [2018-12-01 19:13:53,749 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1076 transitions. Word has length 164 [2018-12-01 19:13:53,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:53,749 INFO L480 AbstractCegarLoop]: Abstraction has 919 states and 1076 transitions. [2018-12-01 19:13:53,749 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:13:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1076 transitions. [2018-12-01 19:13:53,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 19:13:53,752 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:53,752 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 19:13:53,752 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:53,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:53,752 INFO L82 PathProgramCache]: Analyzing trace with hash -265228281, now seen corresponding path program 1 times [2018-12-01 19:13:53,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:53,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:53,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:53,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:53,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:53,800 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-01 19:13:53,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:13:53,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:13:53,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:13:53,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:13:53,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:13:53,801 INFO L87 Difference]: Start difference. First operand 919 states and 1076 transitions. Second operand 3 states. [2018-12-01 19:13:53,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:53,855 INFO L93 Difference]: Finished difference Result 1494 states and 1788 transitions. [2018-12-01 19:13:53,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:13:53,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-01 19:13:53,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:53,859 INFO L225 Difference]: With dead ends: 1494 [2018-12-01 19:13:53,859 INFO L226 Difference]: Without dead ends: 1491 [2018-12-01 19:13:53,860 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:13:53,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2018-12-01 19:13:53,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1066. [2018-12-01 19:13:53,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2018-12-01 19:13:53,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1275 transitions. [2018-12-01 19:13:53,900 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1275 transitions. Word has length 160 [2018-12-01 19:13:53,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:53,900 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1275 transitions. [2018-12-01 19:13:53,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:13:53,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1275 transitions. [2018-12-01 19:13:53,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-01 19:13:53,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:53,903 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 19:13:53,903 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:53,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:53,903 INFO L82 PathProgramCache]: Analyzing trace with hash 257760553, now seen corresponding path program 1 times [2018-12-01 19:13:53,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:53,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:53,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:53,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:53,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 48 proven. 12 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-01 19:13:53,975 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:13:53,975 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:13:53,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:54,067 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:13:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 90 proven. 4 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-01 19:13:54,177 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 19:13:54,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2018-12-01 19:13:54,178 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 19:13:54,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 19:13:54,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:13:54,179 INFO L87 Difference]: Start difference. First operand 1066 states and 1275 transitions. Second operand 14 states. [2018-12-01 19:13:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:55,275 INFO L93 Difference]: Finished difference Result 3037 states and 4180 transitions. [2018-12-01 19:13:55,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 19:13:55,275 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2018-12-01 19:13:55,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:55,281 INFO L225 Difference]: With dead ends: 3037 [2018-12-01 19:13:55,282 INFO L226 Difference]: Without dead ends: 2123 [2018-12-01 19:13:55,284 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=200, Invalid=556, Unknown=0, NotChecked=0, Total=756 [2018-12-01 19:13:55,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2123 states. [2018-12-01 19:13:55,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2123 to 1658. [2018-12-01 19:13:55,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-01 19:13:55,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 1984 transitions. [2018-12-01 19:13:55,353 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 1984 transitions. Word has length 224 [2018-12-01 19:13:55,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:55,354 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 1984 transitions. [2018-12-01 19:13:55,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 19:13:55,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 1984 transitions. [2018-12-01 19:13:55,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 19:13:55,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:55,358 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 19:13:55,358 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:55,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:55,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1937127025, now seen corresponding path program 1 times [2018-12-01 19:13:55,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:55,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:55,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:55,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:55,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:55,425 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-01 19:13:55,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:13:55,425 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:13:55,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:55,515 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:13:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-12-01 19:13:55,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 19:13:55,601 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-01 19:13:55,602 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-01 19:13:55,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-01 19:13:55,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-01 19:13:55,602 INFO L87 Difference]: Start difference. First operand 1658 states and 1984 transitions. Second operand 13 states. [2018-12-01 19:13:55,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:55,677 INFO L93 Difference]: Finished difference Result 2886 states and 3464 transitions. [2018-12-01 19:13:55,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 19:13:55,677 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-12-01 19:13:55,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:55,681 INFO L225 Difference]: With dead ends: 2886 [2018-12-01 19:13:55,681 INFO L226 Difference]: Without dead ends: 1542 [2018-12-01 19:13:55,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:13:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1542 states. [2018-12-01 19:13:55,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1542 to 1530. [2018-12-01 19:13:55,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1530 states. [2018-12-01 19:13:55,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1530 states and 1790 transitions. [2018-12-01 19:13:55,738 INFO L78 Accepts]: Start accepts. Automaton has 1530 states and 1790 transitions. Word has length 220 [2018-12-01 19:13:55,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:55,739 INFO L480 AbstractCegarLoop]: Abstraction has 1530 states and 1790 transitions. [2018-12-01 19:13:55,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-01 19:13:55,739 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1790 transitions. [2018-12-01 19:13:55,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-12-01 19:13:55,742 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:13:55,742 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 19:13:55,742 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:13:55,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:13:55,743 INFO L82 PathProgramCache]: Analyzing trace with hash -1356245079, now seen corresponding path program 1 times [2018-12-01 19:13:55,743 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:13:55,743 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:13:55,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:55,743 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:55,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:13:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:55,853 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 52 proven. 26 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-01 19:13:55,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 19:13:55,853 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 19:13:55,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:13:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:13:55,943 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 19:13:56,011 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 91 proven. 25 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-01 19:13:56,026 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-01 19:13:56,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8] total 14 [2018-12-01 19:13:56,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 19:13:56,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 19:13:56,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-01 19:13:56,027 INFO L87 Difference]: Start difference. First operand 1530 states and 1790 transitions. Second operand 14 states. [2018-12-01 19:13:56,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:13:56,683 INFO L93 Difference]: Finished difference Result 2032 states and 2391 transitions. [2018-12-01 19:13:56,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 19:13:56,683 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 224 [2018-12-01 19:13:56,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:13:56,684 INFO L225 Difference]: With dead ends: 2032 [2018-12-01 19:13:56,684 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 19:13:56,688 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 229 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=391, Unknown=0, NotChecked=0, Total=506 [2018-12-01 19:13:56,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 19:13:56,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 19:13:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 19:13:56,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 19:13:56,689 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2018-12-01 19:13:56,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:13:56,689 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 19:13:56,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 19:13:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 19:13:56,690 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 19:13:56,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 19:13:56,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 19:13:57,497 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 37 [2018-12-01 19:13:57,981 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 47 [2018-12-01 19:13:58,312 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 39 [2018-12-01 19:13:58,619 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 45 [2018-12-01 19:13:59,059 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-12-01 19:13:59,813 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 54 [2018-12-01 19:13:59,927 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2018-12-01 19:14:00,235 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 33 [2018-12-01 19:14:00,349 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-01 19:14:00,349 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-01 19:14:00,349 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-01 19:14:00,349 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-01 19:14:00,349 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-01 19:14:00,349 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,349 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-12-01 19:14:00,349 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,349 INFO L444 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,350 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,350 INFO L444 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 464 472) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 464 472) the Hoare annotation is: true [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 464 472) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 528 546) the Hoare annotation is: true [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 541) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L451 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point L537-2(lines 537 541) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 528 546) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 528 546) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-01 19:14:00,350 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-01 19:14:00,350 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 255 265) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,350 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 255 265) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 255 265) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L444 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,351 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 453 463) the Hoare annotation is: true [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 453 463) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L451 ceAbstractionStarter]: At program point L458(line 458) the Hoare annotation is: true [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point L458-1(line 458) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 453 463) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 445 452) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2 (or .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))))) [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 445 452) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 445 452) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L444 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse5 (or .cse0 .cse11 .cse4)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (or .cse11 .cse4 .cse9)) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse6 .cse7 .cse8) (or .cse1 .cse2 (or .cse3 .cse4 .cse9)) (or .cse5 .cse1 .cse6 .cse2) (or .cse1 .cse10 .cse2 .cse6) (or .cse6 .cse10 .cse7 .cse8)))) [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point L413-1(lines 394 418) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L444 ceAbstractionStarter]: At program point L408(line 408) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 (or .cse5 .cse6 .cse2 .cse3)) (or (or .cse7 .cse5 .cse2) .cse0 .cse1) (or .cse4 (or .cse7 .cse5 .cse6 .cse2)) (or .cse7 .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-01 19:14:00,351 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 394 418) no Hoare annotation was computed. [2018-12-01 19:14:00,351 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse8 (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)) (or .cse7 .cse0 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse8) (or .cse0 .cse8 .cse4 (or .cse2 .cse3)))) [2018-12-01 19:14:00,352 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 394 418) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse8 .cse9 .cse3)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4)) (or .cse5 .cse0 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse5 .cse1 .cse0 .cse2) (or .cse0 (or .cse9 .cse3 .cse4) .cse6 .cse7)))) [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 410) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L444 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)) (or .cse8 .cse0 .cse4 (or .cse2 .cse3)) (or .cse8 .cse7 .cse0 .cse4 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L400-1(line 400) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 415) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 175) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 165 178) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 165 178) the Hoare annotation is: true [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 165 178) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 360 366) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 360 366) the Hoare annotation is: true [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 578 584) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 548 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,352 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse5 .cse6 .cse2 .cse3) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse6 .cse2 .cse3) (and .cse0 .cse4 .cse5 .cse2 .cse3))) [2018-12-01 19:14:00,352 INFO L444 ceAbstractionStarter]: At program point L601(lines 558 603) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse3 .cse2) (not (= ~systemActive~0 1)) (and .cse1 .cse4 .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse6 .cse2 .cse3))) [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 574) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 574) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 548 611) no Hoare annotation was computed. [2018-12-01 19:14:00,352 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 564) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L444 ceAbstractionStarter]: At program point L604(lines 557 605) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 598) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L444 ceAbstractionStarter]: At program point L594-2(lines 588 599) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= 0 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse6 .cse3 .cse5))) [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point L559(lines 558 603) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 599) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L444 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 .cse6 .cse7 .cse8 .cse4 .cse3) (and .cse0 .cse5 .cse6 .cse7 .cse4 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse5 .cse2 .cse8 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 548 611) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 584) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 419 426) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)))) [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 419 426) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 419 426) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 179 187) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 179 187) the Hoare annotation is: true [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 179 187) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse6 (< 1 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< ~waterLevel~0 1)) (.cse0 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse5 .cse1) .cse6 .cse7) (or .cse6 (or .cse5 .cse1 .cse2) .cse7) (or .cse0 (or .cse4 .cse5 .cse3 .cse1)))) [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-12-01 19:14:00,353 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 323) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 2 ~waterLevel~0) (or .cse0 .cse1) (< ~waterLevel~0 2)) (or (< 1 ~waterLevel~0) (or .cse2 .cse0 .cse1) (< ~waterLevel~0 1)) (or (not (= ~methaneLevelCritical~0 1)) .cse2 (= 0 ~methAndRunningLastTime~0) .cse0 (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L311-1(line 311) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 326) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L309-1(lines 301 329) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 301 329) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse1 .cse2 .cse3))) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 301 329) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 293 300) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 293 300) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 293 300) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4)))) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L433-1(line 433) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 428 444) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 428 444) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0)))) (or .cse0 .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse4)))) [2018-12-01 19:14:00,354 INFO L444 ceAbstractionStarter]: At program point L439(line 439) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3)) (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (and (= activatePump_~tmp~4 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 428 444) no Hoare annotation was computed. [2018-12-01 19:14:00,354 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 509 527) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 522) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 509 527) the Hoare annotation is: true [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 509 527) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L451 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: true [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point L518-2(lines 518 522) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point L516-1(line 516) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 112 123) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 2)) (.cse9 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse8 (< ~waterLevel~0 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse0 .cse8 .cse3 .cse4 .cse5) (or .cse9 .cse7 .cse10 .cse1 .cse2 .cse3 .cse4) (or .cse9 .cse6 .cse7 .cse8 .cse10 .cse3 .cse4))) [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 112 123) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 112 123) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L444 ceAbstractionStarter]: At program point L349(line 349) the Hoare annotation is: (let ((.cse15 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= 0 ~methAndRunningLastTime~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse15 .cse10 .cse14)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse13 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (= 0 ~pumpRunning~0) .cse15 .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (<= ~waterLevel~0 1)) (.cse9 (<= 1 ~waterLevel~0)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4 .cse5) (or .cse6 (and .cse7 .cse8 .cse9 .cse10) .cse11 (or .cse1 .cse3) .cse12) (or .cse4 (or .cse13 .cse0 .cse1 .cse2) .cse5) (or .cse13 .cse6 .cse11 .cse12 .cse1 (and .cse7 .cse8 .cse9 .cse14 .cse10) .cse5)))) [2018-12-01 19:14:00,355 INFO L444 ceAbstractionStarter]: At program point L347(lines 347 353) the Hoare annotation is: (let ((.cse10 (= 0 ~pumpRunning~0)) (.cse4 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= ~methaneLevelCritical~0 1))) (let ((.cse11 (<= ~waterLevel~0 1)) (.cse12 (<= 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not .cse15)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (and .cse10 .cse4 .cse15 .cse5)) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or (or .cse0 .cse1 .cse6 .cse3) .cse2 .cse7) (or .cse8 .cse9 (and .cse10 .cse11 .cse12) .cse13 .cse14 .cse1 .cse2) (or (and (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse11 .cse12) .cse4 .cse13 (or .cse1 .cse3) .cse14) (or (and .cse4 .cse7 .cse5) (or .cse8 .cse0 .cse1 .cse6) .cse2) (or .cse8 .cse0 .cse9 .cse13 .cse14 .cse1 .cse2)))) [2018-12-01 19:14:00,355 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< |old(~waterLevel~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (or .cse7 (or .cse3 .cse5) .cse8 (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10)) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse7 (and .cse9 (= 0 ~methAndRunningLastTime~0) .cse10) .cse8 .cse3 .cse4))) [2018-12-01 19:14:00,355 INFO L448 ceAbstractionStarter]: For program point L340(lines 339 358) no Hoare annotation was computed. [2018-12-01 19:14:00,355 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 336 359) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse1 (and .cse9 .cse8 .cse10)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse4 .cse5 .cse7 .cse8) (or (and .cse9 .cse10) .cse2 (or .cse4 .cse7) .cse3) (or (< 1 |old(~waterLevel~0)|) .cse6 .cse1 (< |old(~waterLevel~0)| 1) .cse4 .cse5 .cse7) (or (and .cse9 .cse10 .cse8) (or .cse0 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) .cse5)))) [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 336 359) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 336 359) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 191 220) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 191 220) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point L216(lines 191 220) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point L212(line 212) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 209) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point L205-1(lines 205 209) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point L201-2(lines 201 215) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 124 132) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 124 132) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 124 132) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 88 99) the Hoare annotation is: (let ((.cse0 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 88 99) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 88 99) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 246 252) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 246 252) the Hoare annotation is: true [2018-12-01 19:14:00,356 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 19:14:00,356 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-01 19:14:00,357 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 368 392) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (or .cse3 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (or .cse2 .cse3 .cse5) .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse0) (or .cse0 .cse8 .cse1 .cse4)))) [2018-12-01 19:14:00,357 INFO L444 ceAbstractionStarter]: At program point L382(line 382) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2)) (.cse4 (or .cse7 .cse8 (not (= ~methaneLevelCritical~0 0)))) (.cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse8)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 1)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse1 .cse3) (or .cse5 .cse4 .cse1 .cse6) (or .cse0 .cse5 .cse6 .cse1)))) [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 368 392) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L444 ceAbstractionStarter]: At program point L378(line 378) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (or .cse4 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse7 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4 .cse5) .cse0 .cse2) (or .cse6 .cse7 (or .cse3 .cse4 .cse8 .cse5)) (or .cse6 .cse1 .cse7 .cse8)))) [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 384) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (or .cse3 .cse5 (not (= ~methaneLevelCritical~0 0)))) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4 .cse5)) (or (or .cse2 .cse3 .cse5) .cse6 .cse0 .cse7) (or .cse6 .cse8 .cse7 .cse0) (or .cse0 .cse8 .cse1 .cse4)))) [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point L374-1(line 374) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 389) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L444 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse4 (< ~waterLevel~0 1)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse5 (or .cse1 .cse6 .cse2 .cse3)) (or (or .cse7 .cse1 .cse2) .cse0 .cse4) (or .cse5 (or .cse7 .cse1 .cse6 .cse2)))) [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point L387-1(lines 368 392) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 100 111) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 100 111) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 100 111) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse7 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse5 .cse0 .cse7 .cse2 .cse3) (or .cse6 .cse8 .cse5 .cse9 .cse7 .cse3) (or .cse8 .cse5 .cse9 .cse7 .cse3 .cse4)))) [2018-12-01 19:14:00,357 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 979 986) no Hoare annotation was computed. [2018-12-01 19:14:00,357 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 979 986) the Hoare annotation is: true [2018-12-01 19:14:00,358 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 979 986) no Hoare annotation was computed. [2018-12-01 19:14:00,358 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 983) no Hoare annotation was computed. [2018-12-01 19:14:00,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 07:14:00 BoogieIcfgContainer [2018-12-01 19:14:00,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 19:14:00,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:14:00,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:14:00,367 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:14:00,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:13:49" (3/4) ... [2018-12-01 19:14:00,371 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 19:14:00,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 19:14:00,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 19:14:00,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 19:14:00,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 19:14:00,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 19:14:00,376 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 19:14:00,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:14:00,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 19:14:00,377 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 19:14:00,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-01 19:14:00,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 19:14:00,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 19:14:00,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 19:14:00,382 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 19:14:00,383 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 19:14:00,400 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || (((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-12-01 19:14:00,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 19:14:00,432 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fcf50ad-3593-4fca-b336-4c17c3d97beb/bin-2019/uautomizer/witness.graphml [2018-12-01 19:14:00,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:14:00,433 INFO L168 Benchmark]: Toolchain (without parser) took 11277.59 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 437.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -240.7 MB). Peak memory consumption was 196.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,434 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:14:00,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 301.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.66 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,434 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,434 INFO L168 Benchmark]: RCFGBuilder took 317.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,435 INFO L168 Benchmark]: TraceAbstraction took 10545.76 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.8 MB). Peak memory consumption was 581.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,435 INFO L168 Benchmark]: Witness Printer took 65.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. [2018-12-01 19:14:00,436 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 301.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -130.4 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.66 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: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.14 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10545.76 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 345.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.8 MB). Peak memory consumption was 581.5 MB. Max. memory is 11.5 GB. * Witness Printer took 65.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 983]: 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: 558]: Loop Invariant Derived loop invariant: (((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && waterLevel <= 2) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(systemActive == 1)) || (((((0 == pumpRunning && 2 <= waterLevel) && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 158 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2858 SDtfs, 2761 SDslu, 7678 SDs, 0 SdLazy, 5340 SolverSat, 1251 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1141 GetRequests, 993 SyntacticMatches, 4 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1658occurred in iteration=13, 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: 0.4s AutomataMinimizationTime, 15 MinimizatonAttempts, 1141 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 3894 PreInvPairs, 3993 NumberOfFragments, 3322 HoareAnnotationTreeSize, 3894 FomulaSimplifications, 15324 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 65 FomulaSimplificationsInter, 17565 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2725 NumberOfCodeBlocks, 2725 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 2705 ConstructedInterpolants, 0 QuantifiedInterpolants, 667427 SizeOfPredicates, 12 NumberOfNonLiveVariables, 4833 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 20 InterpolantComputations, 13 PerfectInterpolantSequences, 807/888 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...