./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/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 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 03:42:25,021 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 03:42:25,022 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 03:42:25,030 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 03:42:25,030 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 03:42:25,031 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 03:42:25,031 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 03:42:25,033 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 03:42:25,034 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 03:42:25,034 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 03:42:25,035 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 03:42:25,035 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 03:42:25,036 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 03:42:25,037 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 03:42:25,037 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 03:42:25,038 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 03:42:25,039 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 03:42:25,040 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 03:42:25,041 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 03:42:25,042 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 03:42:25,043 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 03:42:25,044 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 03:42:25,046 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 03:42:25,046 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 03:42:25,046 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 03:42:25,047 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 03:42:25,047 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 03:42:25,048 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 03:42:25,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 03:42:25,049 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 03:42:25,049 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 03:42:25,050 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 03:42:25,050 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 03:42:25,050 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 03:42:25,051 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 03:42:25,051 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 03:42:25,052 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 03:42:25,062 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 03:42:25,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 03:42:25,063 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 03:42:25,063 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 03:42:25,063 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 03:42:25,063 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 03:42:25,063 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 03:42:25,064 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 03:42:25,064 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 03:42:25,065 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 03:42:25,065 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 03:42:25,065 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 03:42:25,065 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 03:42:25,065 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 03:42:25,065 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 03:42:25,065 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:42:25,066 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 03:42:25,066 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 03:42:25,066 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_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/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 -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2018-11-23 03:42:25,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 03:42:25,096 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 03:42:25,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 03:42:25,100 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 03:42:25,100 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 03:42:25,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-23 03:42:25,138 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/data/8a8af8690/e2dde25981204fb68af4d6d62fdd9e7c/FLAGec3eed7e5 [2018-11-23 03:42:25,508 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 03:42:25,508 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-23 03:42:25,517 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/data/8a8af8690/e2dde25981204fb68af4d6d62fdd9e7c/FLAGec3eed7e5 [2018-11-23 03:42:25,901 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/data/8a8af8690/e2dde25981204fb68af4d6d62fdd9e7c [2018-11-23 03:42:25,904 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 03:42:25,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 03:42:25,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 03:42:25,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 03:42:25,908 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 03:42:25,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:25" (1/1) ... [2018-11-23 03:42:25,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:25, skipping insertion in model container [2018-11-23 03:42:25,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:25" (1/1) ... [2018-11-23 03:42:25,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 03:42:25,953 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 03:42:26,170 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:42:26,179 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 03:42:26,288 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 03:42:26,306 INFO L195 MainTranslator]: Completed translation [2018-11-23 03:42:26,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26 WrapperNode [2018-11-23 03:42:26,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 03:42:26,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 03:42:26,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 03:42:26,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 03:42:26,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 03:42:26,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 03:42:26,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 03:42:26,336 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 03:42:26,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... [2018-11-23 03:42:26,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 03:42:26,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 03:42:26,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 03:42:26,370 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 03:42:26,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 03:42:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 03:42:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 03:42:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 03:42:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 03:42:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 03:42:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 03:42:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 03:42:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 03:42:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 03:42:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 03:42:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 03:42:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 03:42:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 03:42:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 03:42:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 03:42:26,419 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 03:42:26,419 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 03:42:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 03:42:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 03:42:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:42:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:42:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 03:42:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 03:42:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:42:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:42:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:42:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:42:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 03:42:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 03:42:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 03:42:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 03:42:26,421 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 03:42:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 03:42:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 03:42:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 03:42:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 03:42:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 03:42:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 03:42:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 03:42:26,422 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:42:26,422 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:42:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 03:42:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 03:42:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 03:42:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 03:42:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 03:42:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 03:42:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 03:42:26,423 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 03:42:26,423 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 03:42:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 03:42:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 03:42:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 03:42:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 03:42:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 03:42:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 03:42:26,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 03:42:26,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 03:42:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 03:42:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 03:42:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 03:42:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 03:42:26,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 03:42:26,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 03:42:26,871 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 03:42:26,871 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 03:42:26,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:26 BoogieIcfgContainer [2018-11-23 03:42:26,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 03:42:26,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 03:42:26,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 03:42:26,875 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 03:42:26,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:42:25" (1/3) ... [2018-11-23 03:42:26,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a835919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:26, skipping insertion in model container [2018-11-23 03:42:26,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:26" (2/3) ... [2018-11-23 03:42:26,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a835919 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:26, skipping insertion in model container [2018-11-23 03:42:26,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:26" (3/3) ... [2018-11-23 03:42:26,878 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-23 03:42:26,886 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 03:42:26,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 03:42:26,905 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 03:42:26,932 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 03:42:26,933 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 03:42:26,933 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 03:42:26,933 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 03:42:26,933 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 03:42:26,933 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 03:42:26,933 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 03:42:26,934 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 03:42:26,934 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 03:42:26,947 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-11-23 03:42:26,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 03:42:26,952 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:26,952 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:26,955 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:26,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:26,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1200213217, now seen corresponding path program 1 times [2018-11-23 03:42:26,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:26,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:26,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:26,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:26,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:27,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:42:27,152 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:27,152 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 03:42:27,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 03:42:27,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 03:42:27,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:42:27,168 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-11-23 03:42:27,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:27,196 INFO L93 Difference]: Finished difference Result 298 states and 369 transitions. [2018-11-23 03:42:27,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 03:42:27,197 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-23 03:42:27,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:27,205 INFO L225 Difference]: With dead ends: 298 [2018-11-23 03:42:27,205 INFO L226 Difference]: Without dead ends: 151 [2018-11-23 03:42:27,208 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 03:42:27,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-23 03:42:27,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-23 03:42:27,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-23 03:42:27,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-11-23 03:42:27,242 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 51 [2018-11-23 03:42:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:27,243 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-11-23 03:42:27,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 03:42:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-11-23 03:42:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 03:42:27,245 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:27,245 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:27,245 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:27,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:27,245 INFO L82 PathProgramCache]: Analyzing trace with hash -240844160, now seen corresponding path program 1 times [2018-11-23 03:42:27,245 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:27,245 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:27,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:27,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:27,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:42:27,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:27,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:42:27,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:42:27,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:42:27,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:42:27,327 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2018-11-23 03:42:27,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:27,347 INFO L93 Difference]: Finished difference Result 241 states and 283 transitions. [2018-11-23 03:42:27,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:42:27,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-23 03:42:27,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:27,349 INFO L225 Difference]: With dead ends: 241 [2018-11-23 03:42:27,350 INFO L226 Difference]: Without dead ends: 142 [2018-11-23 03:42:27,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:42:27,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-23 03:42:27,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-23 03:42:27,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-23 03:42:27,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-11-23 03:42:27,363 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 52 [2018-11-23 03:42:27,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:27,363 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-11-23 03:42:27,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:42:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-11-23 03:42:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-23 03:42:27,365 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:27,365 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] [2018-11-23 03:42:27,365 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:27,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:27,366 INFO L82 PathProgramCache]: Analyzing trace with hash 422680117, now seen corresponding path program 1 times [2018-11-23 03:42:27,366 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:27,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:27,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:27,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:42:27,492 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:27,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:42:27,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:42:27,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:42:27,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:42:27,494 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 7 states. [2018-11-23 03:42:27,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:27,857 INFO L93 Difference]: Finished difference Result 421 states and 510 transitions. [2018-11-23 03:42:27,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 03:42:27,857 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-23 03:42:27,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:27,860 INFO L225 Difference]: With dead ends: 421 [2018-11-23 03:42:27,860 INFO L226 Difference]: Without dead ends: 307 [2018-11-23 03:42:27,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 03:42:27,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-11-23 03:42:27,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 299. [2018-11-23 03:42:27,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-23 03:42:27,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 362 transitions. [2018-11-23 03:42:27,899 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 362 transitions. Word has length 56 [2018-11-23 03:42:27,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:27,900 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 362 transitions. [2018-11-23 03:42:27,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:42:27,900 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 362 transitions. [2018-11-23 03:42:27,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 03:42:27,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:27,903 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] [2018-11-23 03:42:27,903 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:27,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:27,903 INFO L82 PathProgramCache]: Analyzing trace with hash 77319119, now seen corresponding path program 1 times [2018-11-23 03:42:27,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:27,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:27,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:27,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:42:28,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:28,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:42:28,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:42:28,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:42:28,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:42:28,006 INFO L87 Difference]: Start difference. First operand 299 states and 362 transitions. Second operand 6 states. [2018-11-23 03:42:28,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:28,161 INFO L93 Difference]: Finished difference Result 823 states and 1020 transitions. [2018-11-23 03:42:28,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:42:28,161 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-23 03:42:28,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:28,166 INFO L225 Difference]: With dead ends: 823 [2018-11-23 03:42:28,166 INFO L226 Difference]: Without dead ends: 552 [2018-11-23 03:42:28,168 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 03:42:28,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2018-11-23 03:42:28,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 546. [2018-11-23 03:42:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-11-23 03:42:28,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 664 transitions. [2018-11-23 03:42:28,208 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 664 transitions. Word has length 62 [2018-11-23 03:42:28,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:28,209 INFO L480 AbstractCegarLoop]: Abstraction has 546 states and 664 transitions. [2018-11-23 03:42:28,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:42:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 664 transitions. [2018-11-23 03:42:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-23 03:42:28,212 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:28,212 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] [2018-11-23 03:42:28,212 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:28,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:28,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1043357355, now seen corresponding path program 1 times [2018-11-23 03:42:28,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:28,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:28,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:28,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:28,214 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:42:28,293 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:28,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 03:42:28,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 03:42:28,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 03:42:28,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:42:28,294 INFO L87 Difference]: Start difference. First operand 546 states and 664 transitions. Second operand 7 states. [2018-11-23 03:42:28,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:28,740 INFO L93 Difference]: Finished difference Result 1389 states and 1810 transitions. [2018-11-23 03:42:28,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 03:42:28,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-23 03:42:28,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:28,745 INFO L225 Difference]: With dead ends: 1389 [2018-11-23 03:42:28,745 INFO L226 Difference]: Without dead ends: 871 [2018-11-23 03:42:28,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:42:28,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-23 03:42:28,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 775. [2018-11-23 03:42:28,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-11-23 03:42:28,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 939 transitions. [2018-11-23 03:42:28,797 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 939 transitions. Word has length 66 [2018-11-23 03:42:28,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:28,797 INFO L480 AbstractCegarLoop]: Abstraction has 775 states and 939 transitions. [2018-11-23 03:42:28,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 03:42:28,798 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 939 transitions. [2018-11-23 03:42:28,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 03:42:28,800 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:28,800 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:28,800 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:28,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:28,800 INFO L82 PathProgramCache]: Analyzing trace with hash -1726608816, now seen corresponding path program 1 times [2018-11-23 03:42:28,800 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:28,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:28,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:28,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:28,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:42:28,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:28,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 03:42:28,862 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 03:42:28,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 03:42:28,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 03:42:28,863 INFO L87 Difference]: Start difference. First operand 775 states and 939 transitions. Second operand 6 states. [2018-11-23 03:42:28,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:28,930 INFO L93 Difference]: Finished difference Result 1550 states and 1938 transitions. [2018-11-23 03:42:28,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 03:42:28,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 03:42:28,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:28,935 INFO L225 Difference]: With dead ends: 1550 [2018-11-23 03:42:28,935 INFO L226 Difference]: Without dead ends: 803 [2018-11-23 03:42:28,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 03:42:28,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-11-23 03:42:28,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 795. [2018-11-23 03:42:28,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-11-23 03:42:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 959 transitions. [2018-11-23 03:42:28,980 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 959 transitions. Word has length 103 [2018-11-23 03:42:28,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:28,980 INFO L480 AbstractCegarLoop]: Abstraction has 795 states and 959 transitions. [2018-11-23 03:42:28,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 03:42:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 959 transitions. [2018-11-23 03:42:28,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 03:42:28,982 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:28,982 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:28,982 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:28,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:28,983 INFO L82 PathProgramCache]: Analyzing trace with hash 201663886, now seen corresponding path program 1 times [2018-11-23 03:42:28,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:28,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:28,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:28,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:28,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:29,054 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:42:29,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:29,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 03:42:29,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 03:42:29,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 03:42:29,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:42:29,056 INFO L87 Difference]: Start difference. First operand 795 states and 959 transitions. Second operand 8 states. [2018-11-23 03:42:29,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:29,108 INFO L93 Difference]: Finished difference Result 1590 states and 1978 transitions. [2018-11-23 03:42:29,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 03:42:29,108 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 03:42:29,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:29,112 INFO L225 Difference]: With dead ends: 1590 [2018-11-23 03:42:29,112 INFO L226 Difference]: Without dead ends: 823 [2018-11-23 03:42:29,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 03:42:29,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-11-23 03:42:29,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 811. [2018-11-23 03:42:29,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-23 03:42:29,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 975 transitions. [2018-11-23 03:42:29,154 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 975 transitions. Word has length 103 [2018-11-23 03:42:29,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:29,155 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 975 transitions. [2018-11-23 03:42:29,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 03:42:29,155 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 975 transitions. [2018-11-23 03:42:29,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 03:42:29,156 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:29,157 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:29,157 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:29,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:29,157 INFO L82 PathProgramCache]: Analyzing trace with hash -38876243, now seen corresponding path program 1 times [2018-11-23 03:42:29,157 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:29,157 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:29,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:29,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:29,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:29,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 03:42:29,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:29,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 03:42:29,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 03:42:29,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 03:42:29,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:42:29,215 INFO L87 Difference]: Start difference. First operand 811 states and 975 transitions. Second operand 4 states. [2018-11-23 03:42:29,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:29,470 INFO L93 Difference]: Finished difference Result 2557 states and 3226 transitions. [2018-11-23 03:42:29,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 03:42:29,471 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 03:42:29,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:29,479 INFO L225 Difference]: With dead ends: 2557 [2018-11-23 03:42:29,479 INFO L226 Difference]: Without dead ends: 1774 [2018-11-23 03:42:29,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 03:42:29,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1774 states. [2018-11-23 03:42:29,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1774 to 1743. [2018-11-23 03:42:29,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1743 states. [2018-11-23 03:42:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1743 states to 1743 states and 2151 transitions. [2018-11-23 03:42:29,594 INFO L78 Accepts]: Start accepts. Automaton has 1743 states and 2151 transitions. Word has length 103 [2018-11-23 03:42:29,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:29,595 INFO L480 AbstractCegarLoop]: Abstraction has 1743 states and 2151 transitions. [2018-11-23 03:42:29,595 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 03:42:29,595 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2151 transitions. [2018-11-23 03:42:29,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 03:42:29,599 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:29,599 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:29,599 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:29,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:29,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1131627277, now seen corresponding path program 1 times [2018-11-23 03:42:29,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:29,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:29,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:29,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:29,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 03:42:29,717 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:42:29,717 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:42:29,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:29,857 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:42:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 03:42:30,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:42:30,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 03:42:30,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 03:42:30,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 03:42:30,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 03:42:30,064 INFO L87 Difference]: Start difference. First operand 1743 states and 2151 transitions. Second operand 19 states. [2018-11-23 03:42:30,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:30,824 INFO L93 Difference]: Finished difference Result 3428 states and 4278 transitions. [2018-11-23 03:42:30,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 03:42:30,825 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-23 03:42:30,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:30,830 INFO L225 Difference]: With dead ends: 3428 [2018-11-23 03:42:30,830 INFO L226 Difference]: Without dead ends: 1713 [2018-11-23 03:42:30,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 03:42:30,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1713 states. [2018-11-23 03:42:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1713 to 1713. [2018-11-23 03:42:30,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-11-23 03:42:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2069 transitions. [2018-11-23 03:42:30,893 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2069 transitions. Word has length 107 [2018-11-23 03:42:30,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:30,893 INFO L480 AbstractCegarLoop]: Abstraction has 1713 states and 2069 transitions. [2018-11-23 03:42:30,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 03:42:30,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2069 transitions. [2018-11-23 03:42:30,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 03:42:30,897 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:30,897 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] [2018-11-23 03:42:30,897 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:30,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:30,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1843334848, now seen corresponding path program 1 times [2018-11-23 03:42:30,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:30,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:30,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:30,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:30,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:30,960 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 03:42:30,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 03:42:30,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 03:42:30,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 03:42:30,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 03:42:30,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 03:42:30,962 INFO L87 Difference]: Start difference. First operand 1713 states and 2069 transitions. Second operand 3 states. [2018-11-23 03:42:31,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:31,030 INFO L93 Difference]: Finished difference Result 2730 states and 3387 transitions. [2018-11-23 03:42:31,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 03:42:31,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-11-23 03:42:31,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:31,038 INFO L225 Difference]: With dead ends: 2730 [2018-11-23 03:42:31,038 INFO L226 Difference]: Without dead ends: 2727 [2018-11-23 03:42:31,039 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 [2018-11-23 03:42:31,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2727 states. [2018-11-23 03:42:31,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2727 to 2569. [2018-11-23 03:42:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2569 states. [2018-11-23 03:42:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3195 transitions. [2018-11-23 03:42:31,158 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3195 transitions. Word has length 160 [2018-11-23 03:42:31,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:31,158 INFO L480 AbstractCegarLoop]: Abstraction has 2569 states and 3195 transitions. [2018-11-23 03:42:31,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 03:42:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3195 transitions. [2018-11-23 03:42:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 03:42:31,165 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:31,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:31,166 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:31,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1507278449, now seen corresponding path program 1 times [2018-11-23 03:42:31,166 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:31,166 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:31,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:31,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:31,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 47 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-23 03:42:31,308 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:42:31,308 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:42:31,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:31,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:42:31,559 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 101 proven. 19 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 03:42:31,575 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 03:42:31,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10] total 16 [2018-11-23 03:42:31,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 03:42:31,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 03:42:31,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-11-23 03:42:31,577 INFO L87 Difference]: Start difference. First operand 2569 states and 3195 transitions. Second operand 16 states. [2018-11-23 03:42:33,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:33,383 INFO L93 Difference]: Finished difference Result 8486 states and 12250 transitions. [2018-11-23 03:42:33,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 03:42:33,384 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 220 [2018-11-23 03:42:33,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:33,404 INFO L225 Difference]: With dead ends: 8486 [2018-11-23 03:42:33,404 INFO L226 Difference]: Without dead ends: 6261 [2018-11-23 03:42:33,412 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=234, Invalid=888, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 03:42:33,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6261 states. [2018-11-23 03:42:33,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6261 to 5307. [2018-11-23 03:42:33,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5307 states. [2018-11-23 03:42:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5307 states to 5307 states and 6574 transitions. [2018-11-23 03:42:33,654 INFO L78 Accepts]: Start accepts. Automaton has 5307 states and 6574 transitions. Word has length 220 [2018-11-23 03:42:33,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:33,654 INFO L480 AbstractCegarLoop]: Abstraction has 5307 states and 6574 transitions. [2018-11-23 03:42:33,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 03:42:33,654 INFO L276 IsEmpty]: Start isEmpty. Operand 5307 states and 6574 transitions. [2018-11-23 03:42:33,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 03:42:33,667 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 03:42:33,667 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 03:42:33,667 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 03:42:33,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 03:42:33,668 INFO L82 PathProgramCache]: Analyzing trace with hash 623769459, now seen corresponding path program 1 times [2018-11-23 03:42:33,668 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 03:42:33,668 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 03:42:33,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:33,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:33,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 03:42:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 43 proven. 8 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-11-23 03:42:33,762 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 03:42:33,762 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 03:42:33,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 03:42:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 03:42:33,878 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 03:42:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-11-23 03:42:33,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 03:42:33,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 03:42:33,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 03:42:33,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 03:42:33,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 03:42:33,984 INFO L87 Difference]: Start difference. First operand 5307 states and 6574 transitions. Second operand 13 states. [2018-11-23 03:42:34,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 03:42:34,097 INFO L93 Difference]: Finished difference Result 6573 states and 8056 transitions. [2018-11-23 03:42:34,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 03:42:34,097 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 220 [2018-11-23 03:42:34,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 03:42:34,099 INFO L225 Difference]: With dead ends: 6573 [2018-11-23 03:42:34,099 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 03:42:34,107 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 [2018-11-23 03:42:34,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 03:42:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 03:42:34,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 03:42:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 03:42:34,108 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 220 [2018-11-23 03:42:34,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 03:42:34,108 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 03:42:34,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 03:42:34,108 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 03:42:34,108 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 03:42:34,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 03:42:34,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:34,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 03:42:35,456 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 27 [2018-11-23 03:42:35,748 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 47 [2018-11-23 03:42:35,869 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 28 [2018-11-23 03:42:36,010 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-11-23 03:42:36,139 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 31 [2018-11-23 03:42:36,289 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 28 [2018-11-23 03:42:37,155 WARN L180 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-11-23 03:42:37,999 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2018-11-23 03:42:38,334 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 28 [2018-11-23 03:42:38,336 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 518 524) the Hoare annotation is: true [2018-11-23 03:42:38,337 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 518 524) no Hoare annotation was computed. [2018-11-23 03:42:38,337 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 525 533) no Hoare annotation was computed. [2018-11-23 03:42:38,337 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 525 533) the Hoare annotation is: true [2018-11-23 03:42:38,337 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 525 533) no Hoare annotation was computed. [2018-11-23 03:42:38,337 INFO L444 ceAbstractionStarter]: At program point L482-1(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,337 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 476 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,337 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 476 498) no Hoare annotation was computed. [2018-11-23 03:42:38,337 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 476 498) no Hoare annotation was computed. [2018-11-23 03:42:38,337 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:42:38,337 INFO L444 ceAbstractionStarter]: At program point L488-1(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 493) no Hoare annotation was computed. [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 486 493) no Hoare annotation was computed. [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 03:42:38,338 INFO L444 ceAbstractionStarter]: At program point L483(line 483) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,338 INFO L444 ceAbstractionStarter]: At program point L482(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2018-11-23 03:42:38,338 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (let ((.cse4 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse4 (or .cse1 .cse2 .cse3 .cse5)) (or .cse6 .cse3 .cse5) (or .cse0 .cse6 .cse3))) [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-23 03:42:38,338 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (and (not (= ~systemActive~0 0)) .cse6)) (.cse1 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse4 (or .cse1 .cse2 .cse3 .cse5)) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 .cse7 .cse3 .cse5)))) [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2018-11-23 03:42:38,338 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L451 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 511 517) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 511 517) the Hoare annotation is: true [2018-11-23 03:42:38,339 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L444 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,339 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L451 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-23 03:42:38,339 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 981 994) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 981 994) the Hoare annotation is: true [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 981 994) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L444 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse1 .cse2 .cse3))) [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 143) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 122 146) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 122 146) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 03:42:38,340 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 122 146) no Hoare annotation was computed. [2018-11-23 03:42:38,340 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (= 0 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse2 .cse3 .cse5 .cse4) (or .cse1 .cse2 .cse3 .cse5))) [2018-11-23 03:42:38,340 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (and (= processEnvironment_~tmp~1 1) .cse7)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= 0 ~waterLevel~0) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse6) (or .cse2 .cse5 .cse3 .cse6 .cse4)))) [2018-11-23 03:42:38,340 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 138) no Hoare annotation was computed. [2018-11-23 03:42:38,341 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2018-11-23 03:42:38,341 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2018-11-23 03:42:38,341 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 294 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-23 03:42:38,341 INFO L444 ceAbstractionStarter]: At program point L349(lines 304 351) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:42:38,341 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0)) (.cse2 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse0 .cse1) .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:42:38,341 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-11-23 03:42:38,341 INFO L448 ceAbstractionStarter]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2018-11-23 03:42:38,341 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 294 359) no Hoare annotation was computed. [2018-11-23 03:42:38,341 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 310) no Hoare annotation was computed. [2018-11-23 03:42:38,341 INFO L444 ceAbstractionStarter]: At program point L352(lines 303 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 03:42:38,341 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:42:38,341 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L444 ceAbstractionStarter]: At program point L340-1(lines 334 347) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse3 .cse2) (and .cse4 .cse5 .cse6 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point L305(lines 304 351) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 347) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 330) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 294 359) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 147 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 147 154) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 147 154) no Hoare annotation was computed. [2018-11-23 03:42:38,342 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 995 1003) no Hoare annotation was computed. [2018-11-23 03:42:38,343 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 995 1003) the Hoare annotation is: true [2018-11-23 03:42:38,343 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 995 1003) no Hoare annotation was computed. [2018-11-23 03:42:38,343 INFO L444 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (or .cse4 .cse3)) (.cse5 (not (= ~waterLevel~0 0)))) (and (or .cse0 .cse1) (or .cse2 (< ~waterLevel~0 2)) (or .cse1 .cse3) (or .cse0 .cse4 .cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse2 .cse5)))) [2018-11-23 03:42:38,343 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2018-11-23 03:42:38,343 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2018-11-23 03:42:38,343 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse5 (or .cse2 .cse7)) (.cse3 (not (= ~waterLevel~0 0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (< ~waterLevel~0 2)) (or .cse6 .cse7) (or .cse5 .cse3) (or .cse1 .cse0 .cse6 (not (= ~waterLevel~0 1)) .cse4)))) [2018-11-23 03:42:38,343 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-11-23 03:42:38,343 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-23 03:42:38,343 INFO L448 ceAbstractionStarter]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L444 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse5 (not (= ~waterLevel~0 0)) .cse3) (or .cse6 .cse0 .cse5 .cse3 .cse1) (or .cse1 .cse6 .cse0 .cse2 .cse3))) [2018-11-23 03:42:38,344 INFO L448 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse1 .cse5 (not (= ~waterLevel~0 0)) .cse3) (or .cse6 .cse0 .cse5 .cse3 .cse1) (or .cse1 .cse6 .cse0 .cse2 .cse3))) [2018-11-23 03:42:38,344 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 03:42:38,344 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 03:42:38,344 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:42:38,344 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse0 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 156 172) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 156 172) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse0 .cse4 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 03:42:38,345 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 156 172) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2018-11-23 03:42:38,345 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2018-11-23 03:42:38,345 INFO L451 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 928 939) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 .cse1) (or .cse3 (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse1 .cse2))) [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 928 939) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point L932-1(lines 928 939) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L451 ceAbstractionStarter]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2018-11-23 03:42:38,346 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2018-11-23 03:42:38,346 INFO L448 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-23 03:42:38,346 INFO L451 ceAbstractionStarter]: At program point L411-2(lines 411 425) the Hoare annotation is: true [2018-11-23 03:42:38,346 INFO L451 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2018-11-23 03:42:38,347 INFO L448 ceAbstractionStarter]: For program point L407-1(line 407) no Hoare annotation was computed. [2018-11-23 03:42:38,347 INFO L451 ceAbstractionStarter]: At program point L426(lines 401 430) the Hoare annotation is: true [2018-11-23 03:42:38,347 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-23 03:42:38,347 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 940 948) the Hoare annotation is: true [2018-11-23 03:42:38,347 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 940 948) no Hoare annotation was computed. [2018-11-23 03:42:38,347 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 940 948) no Hoare annotation was computed. [2018-11-23 03:42:38,347 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse4 .cse0) (or .cse6 .cse1 .cse2 .cse3 .cse0) (or .cse0 .cse6 .cse5 .cse3))) [2018-11-23 03:42:38,347 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse2 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse8 .cse9)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (not .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse8 .cse9)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse6 .cse7 .cse4 .cse5)))) [2018-11-23 03:42:38,348 INFO L444 ceAbstractionStarter]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse12 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (let ((.cse8 (< |old(~waterLevel~0)| 2)) (.cse6 (and (= 0 ~pumpRunning~0) .cse5)) (.cse11 (and .cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse10 (and (<= 2 ~waterLevel~0) (not .cse7) .cse12)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (not (= ~waterLevel~0 1)) .cse5) .cse6 .cse7 .cse8 .cse4 .cse9) (or .cse10 .cse2 .cse11 .cse4 .cse9) (or .cse1 .cse7 .cse8 .cse4 .cse6) (or .cse1 .cse2 .cse11 .cse4) (or .cse2 .cse0 .cse3 .cse4 .cse9) (or .cse1 .cse2 .cse7 .cse4 .cse0) (or .cse10 .cse2 .cse7 .cse0 .cse4 .cse9)))) [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2018-11-23 03:42:38,348 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse8 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 (and .cse5 .cse6 .cse7) .cse8 .cse1) (or .cse4 (and .cse5 .cse7 .cse6) .cse8 .cse1 .cse2))) [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point L68(lines 67 86) no Hoare annotation was computed. [2018-11-23 03:42:38,348 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3))) [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2018-11-23 03:42:38,348 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2018-11-23 03:42:38,348 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 03:42:38,349 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-23 03:42:38,349 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 03:42:38,349 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 03:42:38,349 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 96 120) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3 .cse2) (or .cse5 .cse2 .cse1 .cse6 .cse3) (or .cse1 .cse6 .cse2 .cse3 .cse4))) [2018-11-23 03:42:38,349 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 96 120) no Hoare annotation was computed. [2018-11-23 03:42:38,349 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6 .cse3) (or .cse2 .cse6 .cse5 .cse3 .cse4))) [2018-11-23 03:42:38,349 INFO L448 ceAbstractionStarter]: For program point L115-1(lines 96 120) no Hoare annotation was computed. [2018-11-23 03:42:38,349 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (not (= ~waterLevel~0 0))) (.cse6 (and (= 0 ~pumpRunning~0) .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) .cse8)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7 .cse3) (or .cse1 .cse7 .cse6 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse2 .cse3)))) [2018-11-23 03:42:38,350 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~waterLevel~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0)) (.cse6 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse0 .cse6 .cse2 .cse3))) [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-11-23 03:42:38,350 INFO L444 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 0))) (.cse0 (and (= 0 ~pumpRunning~0) .cse6)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse1 .cse2 .cse0 .cse3)))) [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 117) no Hoare annotation was computed. [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 916 927) no Hoare annotation was computed. [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2018-11-23 03:42:38,350 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 916 927) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) (= ~systemActive~0 0) .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse3) (or .cse0 .cse3 .cse1 .cse2))) [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 03:42:38,350 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 03:42:38,351 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 03:42:38,351 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 03:42:38,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:42:38 BoogieIcfgContainer [2018-11-23 03:42:38,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 03:42:38,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 03:42:38,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 03:42:38,362 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 03:42:38,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:26" (3/4) ... [2018-11-23 03:42:38,365 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 03:42:38,371 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 03:42:38,372 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 03:42:38,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 03:42:38,373 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 03:42:38,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 03:42:38,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 03:42:38,378 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 03:42:38,379 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 03:42:38,379 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 03:42:38,380 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:42:38,380 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 03:42:38,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:42:38,401 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 03:42:38,437 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a0f8c8b2-267e-42e3-94c9-d3b870d6e3a5/bin-2019/uautomizer/witness.graphml [2018-11-23 03:42:38,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 03:42:38,438 INFO L168 Benchmark]: Toolchain (without parser) took 12533.53 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 584.6 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 416.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:42:38,438 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:42:38,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -206.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 03:42:38,439 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:42:38,439 INFO L168 Benchmark]: Boogie Preprocessor took 34.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 03:42:38,439 INFO L168 Benchmark]: RCFGBuilder took 501.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2018-11-23 03:42:38,439 INFO L168 Benchmark]: TraceAbstraction took 11489.14 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 409.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.0 MB). Peak memory consumption was 666.0 MB. Max. memory is 11.5 GB. [2018-11-23 03:42:38,439 INFO L168 Benchmark]: Witness Printer took 75.31 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 03:42:38,441 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 401.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 957.1 MB in the beginning and 1.2 GB in the end (delta: -206.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 501.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11489.14 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 409.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -31.0 MB). Peak memory consumption was 666.0 MB. Max. memory is 11.5 GB. * Witness Printer took 75.31 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 303]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 164 locations, 1 error locations. SAFE Result, 11.4s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 4.2s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2410 SDtfs, 2178 SDslu, 8447 SDs, 0 SdLazy, 4850 SolverSat, 842 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 697 GetRequests, 580 SyntacticMatches, 2 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 378 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5307occurred in iteration=11, 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: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 1273 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 5875 PreInvPairs, 6173 NumberOfFragments, 2799 HoareAnnotationTreeSize, 5875 FomulaSimplifications, 14640 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 68 FomulaSimplificationsInter, 26327 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1850 NumberOfCodeBlocks, 1850 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1835 ConstructedInterpolants, 0 QuantifiedInterpolants, 423265 SizeOfPredicates, 9 NumberOfNonLiveVariables, 2901 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 508/549 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...