./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/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 712263c6c933aaef268a48b623f3b4ee6fd9ad4b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:04:38,978 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:04:38,979 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:04:38,988 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:04:38,988 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:04:38,988 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:04:38,989 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:04:38,991 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:04:38,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:04:38,993 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:04:38,994 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:04:38,994 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:04:38,995 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:04:38,996 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:04:38,996 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:04:38,997 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:04:38,998 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:04:39,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:04:39,001 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:04:39,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:04:39,004 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:04:39,005 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:04:39,007 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:04:39,007 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:04:39,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:04:39,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:04:39,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:04:39,010 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:04:39,011 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:04:39,012 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:04:39,012 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:04:39,013 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:04:39,013 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:04:39,013 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:04:39,014 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:04:39,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:04:39,015 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 15:04:39,026 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:04:39,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:04:39,027 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:04:39,027 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 15:04:39,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:04:39,028 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:04:39,028 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:04:39,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:04:39,028 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:04:39,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:04:39,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:04:39,028 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:04:39,029 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:04:39,029 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:04:39,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:04:39,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:04:39,032 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:04:39,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:04:39,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:04:39,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:04:39,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:04:39,032 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:04:39,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:04:39,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:04:39,033 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_eb49d1ee-da1e-4ade-9c95-37474fe26135/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 -> 712263c6c933aaef268a48b623f3b4ee6fd9ad4b [2018-11-18 15:04:39,059 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:04:39,068 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:04:39,070 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:04:39,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:04:39,072 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:04:39,072 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-18 15:04:39,126 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/data/c49ca265e/af377f5df29d43cda36862eaf76a4e6a/FLAG6f3f5c8a8 [2018-11-18 15:04:39,532 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:04:39,533 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/sv-benchmarks/c/product-lines/minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-18 15:04:39,542 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/data/c49ca265e/af377f5df29d43cda36862eaf76a4e6a/FLAG6f3f5c8a8 [2018-11-18 15:04:39,930 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/data/c49ca265e/af377f5df29d43cda36862eaf76a4e6a [2018-11-18 15:04:39,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:04:39,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 15:04:39,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:04:39,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:04:39,937 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:04:39,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:04:39" (1/1) ... [2018-11-18 15:04:39,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4af2d54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:39, skipping insertion in model container [2018-11-18 15:04:39,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:04:39" (1/1) ... [2018-11-18 15:04:39,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:04:40,001 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:04:40,231 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:04:40,240 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:04:40,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:04:40,402 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:04:40,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40 WrapperNode [2018-11-18 15:04:40,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:04:40,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:04:40,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:04:40,403 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:04:40,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,428 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... [2018-11-18 15:04:40,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:04:40,463 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:04:40,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:04:40,463 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:04:40,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/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 [2018-11-18 15:04:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:04:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:04:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 15:04:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:04:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 15:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 15:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 15:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 15:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 15:04:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 15:04:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 15:04:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 15:04:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 15:04:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:04:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:04:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:04:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 15:04:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 15:04:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:04:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 15:04:41,194 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:04:41,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:04:41 BoogieIcfgContainer [2018-11-18 15:04:41,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:04:41,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:04:41,195 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:04:41,197 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:04:41,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:04:39" (1/3) ... [2018-11-18 15:04:41,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a5cee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:04:41, skipping insertion in model container [2018-11-18 15:04:41,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:04:40" (2/3) ... [2018-11-18 15:04:41,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55a5cee5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:04:41, skipping insertion in model container [2018-11-18 15:04:41,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:04:41" (3/3) ... [2018-11-18 15:04:41,200 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product49_true-unreach-call_false-termination.cil.c [2018-11-18 15:04:41,208 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:04:41,214 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:04:41,223 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:04:41,244 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:04:41,244 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:04:41,244 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:04:41,245 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:04:41,245 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:04:41,245 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:04:41,245 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:04:41,245 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:04:41,245 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:04:41,261 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-11-18 15:04:41,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:04:41,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:41,267 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:41,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:41,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:41,275 INFO L82 PathProgramCache]: Analyzing trace with hash 1853188478, now seen corresponding path program 1 times [2018-11-18 15:04:41,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:41,277 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:41,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:41,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:41,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:41,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:41,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:41,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:04:41,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:04:41,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:04:41,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:04:41,509 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-11-18 15:04:41,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:41,537 INFO L93 Difference]: Finished difference Result 260 states and 321 transitions. [2018-11-18 15:04:41,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:04:41,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 15:04:41,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:41,547 INFO L225 Difference]: With dead ends: 260 [2018-11-18 15:04:41,547 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 15:04:41,550 INFO L604 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 [2018-11-18 15:04:41,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 15:04:41,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 15:04:41,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 15:04:41,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-18 15:04:41,585 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 46 [2018-11-18 15:04:41,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:41,585 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-18 15:04:41,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:04:41,585 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-18 15:04:41,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 15:04:41,587 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:41,587 INFO L375 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] [2018-11-18 15:04:41,587 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:41,587 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:41,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1960688316, now seen corresponding path program 1 times [2018-11-18 15:04:41,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:41,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:41,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:41,588 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:41,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:41,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:41,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:04:41,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:04:41,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:04:41,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:04:41,692 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 3 states. [2018-11-18 15:04:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:41,709 INFO L93 Difference]: Finished difference Result 207 states and 241 transitions. [2018-11-18 15:04:41,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:04:41,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 15:04:41,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:41,711 INFO L225 Difference]: With dead ends: 207 [2018-11-18 15:04:41,711 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 15:04:41,712 INFO L604 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 [2018-11-18 15:04:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 15:04:41,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 15:04:41,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 15:04:41,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-11-18 15:04:41,720 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 48 [2018-11-18 15:04:41,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:41,720 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-11-18 15:04:41,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:04:41,720 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-11-18 15:04:41,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:04:41,721 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:41,722 INFO L375 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] [2018-11-18 15:04:41,722 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:41,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:41,722 INFO L82 PathProgramCache]: Analyzing trace with hash -135625829, now seen corresponding path program 1 times [2018-11-18 15:04:41,722 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:41,722 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:41,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:41,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:41,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:41,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:41,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:41,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:04:41,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:04:41,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:04:41,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:04:41,839 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 7 states. [2018-11-18 15:04:42,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:42,122 INFO L93 Difference]: Finished difference Result 216 states and 255 transitions. [2018-11-18 15:04:42,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:04:42,124 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 15:04:42,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:42,126 INFO L225 Difference]: With dead ends: 216 [2018-11-18 15:04:42,126 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 15:04:42,127 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:04:42,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 15:04:42,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-11-18 15:04:42,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-11-18 15:04:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 138 transitions. [2018-11-18 15:04:42,139 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 138 transitions. Word has length 52 [2018-11-18 15:04:42,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:42,139 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 138 transitions. [2018-11-18 15:04:42,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:04:42,139 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 138 transitions. [2018-11-18 15:04:42,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 15:04:42,141 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:42,141 INFO L375 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] [2018-11-18 15:04:42,141 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:42,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:42,143 INFO L82 PathProgramCache]: Analyzing trace with hash 313359909, now seen corresponding path program 1 times [2018-11-18 15:04:42,143 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:42,143 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:42,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:42,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:42,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:42,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:42,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:04:42,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 15:04:42,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 15:04:42,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 15:04:42,239 INFO L87 Difference]: Start difference. First operand 120 states and 138 transitions. Second operand 5 states. [2018-11-18 15:04:42,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:42,588 INFO L93 Difference]: Finished difference Result 312 states and 375 transitions. [2018-11-18 15:04:42,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:04:42,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-18 15:04:42,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:42,590 INFO L225 Difference]: With dead ends: 312 [2018-11-18 15:04:42,590 INFO L226 Difference]: Without dead ends: 216 [2018-11-18 15:04:42,591 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 15:04:42,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-11-18 15:04:42,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 197. [2018-11-18 15:04:42,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-11-18 15:04:42,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 224 transitions. [2018-11-18 15:04:42,611 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 224 transitions. Word has length 65 [2018-11-18 15:04:42,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:42,611 INFO L480 AbstractCegarLoop]: Abstraction has 197 states and 224 transitions. [2018-11-18 15:04:42,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 15:04:42,611 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 224 transitions. [2018-11-18 15:04:42,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 15:04:42,613 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:42,613 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:42,613 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:42,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:42,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1913532516, now seen corresponding path program 1 times [2018-11-18 15:04:42,614 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:42,614 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:42,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:42,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:42,615 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:42,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:42,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:42,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:04:42,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:04:42,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:04:42,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:04:42,727 INFO L87 Difference]: Start difference. First operand 197 states and 224 transitions. Second operand 10 states. [2018-11-18 15:04:43,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:43,125 INFO L93 Difference]: Finished difference Result 626 states and 780 transitions. [2018-11-18 15:04:43,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:04:43,125 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 79 [2018-11-18 15:04:43,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:43,129 INFO L225 Difference]: With dead ends: 626 [2018-11-18 15:04:43,129 INFO L226 Difference]: Without dead ends: 453 [2018-11-18 15:04:43,130 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:04:43,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-11-18 15:04:43,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 443. [2018-11-18 15:04:43,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-11-18 15:04:43,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 523 transitions. [2018-11-18 15:04:43,159 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 523 transitions. Word has length 79 [2018-11-18 15:04:43,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:43,160 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 523 transitions. [2018-11-18 15:04:43,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:04:43,160 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 523 transitions. [2018-11-18 15:04:43,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 15:04:43,162 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:43,162 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:43,162 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:43,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:43,162 INFO L82 PathProgramCache]: Analyzing trace with hash 490135173, now seen corresponding path program 1 times [2018-11-18 15:04:43,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:43,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:43,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:43,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:43,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:43,276 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 15:04:43,276 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:04:43,277 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/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 [2018-11-18 15:04:43,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:43,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:04:43,540 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:43,568 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:04:43,568 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2018-11-18 15:04:43,569 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 15:04:43,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 15:04:43,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2018-11-18 15:04:43,569 INFO L87 Difference]: Start difference. First operand 443 states and 523 transitions. Second operand 12 states. [2018-11-18 15:04:44,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:44,825 INFO L93 Difference]: Finished difference Result 1277 states and 1693 transitions. [2018-11-18 15:04:44,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 15:04:44,825 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 138 [2018-11-18 15:04:44,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:44,829 INFO L225 Difference]: With dead ends: 1277 [2018-11-18 15:04:44,829 INFO L226 Difference]: Without dead ends: 858 [2018-11-18 15:04:44,830 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=650, Unknown=0, NotChecked=0, Total=812 [2018-11-18 15:04:44,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-18 15:04:44,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 785. [2018-11-18 15:04:44,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-11-18 15:04:44,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 966 transitions. [2018-11-18 15:04:44,870 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 966 transitions. Word has length 138 [2018-11-18 15:04:44,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:44,870 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 966 transitions. [2018-11-18 15:04:44,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 15:04:44,871 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 966 transitions. [2018-11-18 15:04:44,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-18 15:04:44,872 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:44,873 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:44,873 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:44,873 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:44,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1258772471, now seen corresponding path program 1 times [2018-11-18 15:04:44,873 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:44,873 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:44,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:44,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:44,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 15:04:44,982 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:04:44,982 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/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 [2018-11-18 15:04:44,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:45,087 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:04:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 15:04:45,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:04:45,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-18 15:04:45,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 15:04:45,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 15:04:45,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:04:45,162 INFO L87 Difference]: Start difference. First operand 785 states and 966 transitions. Second operand 11 states. [2018-11-18 15:04:45,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:45,207 INFO L93 Difference]: Finished difference Result 1419 states and 1782 transitions. [2018-11-18 15:04:45,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:04:45,211 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 130 [2018-11-18 15:04:45,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:45,214 INFO L225 Difference]: With dead ends: 1419 [2018-11-18 15:04:45,214 INFO L226 Difference]: Without dead ends: 658 [2018-11-18 15:04:45,215 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:04:45,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2018-11-18 15:04:45,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 658. [2018-11-18 15:04:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 658 states. [2018-11-18 15:04:45,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 658 states to 658 states and 796 transitions. [2018-11-18 15:04:45,240 INFO L78 Accepts]: Start accepts. Automaton has 658 states and 796 transitions. Word has length 130 [2018-11-18 15:04:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:45,241 INFO L480 AbstractCegarLoop]: Abstraction has 658 states and 796 transitions. [2018-11-18 15:04:45,241 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 15:04:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 796 transitions. [2018-11-18 15:04:45,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 15:04:45,243 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:45,243 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:45,243 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:45,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:45,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1172398596, now seen corresponding path program 1 times [2018-11-18 15:04:45,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:45,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:45,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:45,244 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:45,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:04:45,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:45,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:04:45,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:04:45,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:04:45,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:04:45,333 INFO L87 Difference]: Start difference. First operand 658 states and 796 transitions. Second operand 6 states. [2018-11-18 15:04:45,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:45,368 INFO L93 Difference]: Finished difference Result 1247 states and 1531 transitions. [2018-11-18 15:04:45,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:04:45,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-18 15:04:45,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:45,372 INFO L225 Difference]: With dead ends: 1247 [2018-11-18 15:04:45,373 INFO L226 Difference]: Without dead ends: 673 [2018-11-18 15:04:45,374 INFO L604 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 [2018-11-18 15:04:45,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 673 states. [2018-11-18 15:04:45,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 673 to 673. [2018-11-18 15:04:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-18 15:04:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 811 transitions. [2018-11-18 15:04:45,396 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 811 transitions. Word has length 134 [2018-11-18 15:04:45,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:45,396 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 811 transitions. [2018-11-18 15:04:45,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:04:45,396 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 811 transitions. [2018-11-18 15:04:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 15:04:45,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:45,398 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:45,398 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:45,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:45,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1681871686, now seen corresponding path program 1 times [2018-11-18 15:04:45,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:45,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:45,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:45,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:45,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:45,472 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 15:04:45,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:04:45,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 15:04:45,472 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 15:04:45,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:04:45,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:04:45,473 INFO L87 Difference]: Start difference. First operand 673 states and 811 transitions. Second operand 6 states. [2018-11-18 15:04:45,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:45,594 INFO L93 Difference]: Finished difference Result 690 states and 830 transitions. [2018-11-18 15:04:45,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:04:45,594 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2018-11-18 15:04:45,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:45,596 INFO L225 Difference]: With dead ends: 690 [2018-11-18 15:04:45,597 INFO L226 Difference]: Without dead ends: 687 [2018-11-18 15:04:45,597 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 15:04:45,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2018-11-18 15:04:45,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 673. [2018-11-18 15:04:45,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-11-18 15:04:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 807 transitions. [2018-11-18 15:04:45,618 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 807 transitions. Word has length 134 [2018-11-18 15:04:45,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:45,618 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 807 transitions. [2018-11-18 15:04:45,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 15:04:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 807 transitions. [2018-11-18 15:04:45,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 15:04:45,620 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:45,620 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:45,620 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:45,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:45,620 INFO L82 PathProgramCache]: Analyzing trace with hash 1835382727, now seen corresponding path program 1 times [2018-11-18 15:04:45,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:45,620 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:45,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:45,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:45,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:45,726 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 15:04:45,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:04:45,726 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/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 [2018-11-18 15:04:45,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:45,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:04:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:04:45,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 15:04:45,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-18 15:04:45,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 15:04:45,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 15:04:45,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:04:45,898 INFO L87 Difference]: Start difference. First operand 673 states and 807 transitions. Second operand 14 states. [2018-11-18 15:04:47,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:47,422 INFO L93 Difference]: Finished difference Result 1447 states and 1831 transitions. [2018-11-18 15:04:47,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 15:04:47,422 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 138 [2018-11-18 15:04:47,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:47,426 INFO L225 Difference]: With dead ends: 1447 [2018-11-18 15:04:47,426 INFO L226 Difference]: Without dead ends: 858 [2018-11-18 15:04:47,428 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=206, Invalid=850, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 15:04:47,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2018-11-18 15:04:47,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 730. [2018-11-18 15:04:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 730 states. [2018-11-18 15:04:47,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 730 states and 863 transitions. [2018-11-18 15:04:47,470 INFO L78 Accepts]: Start accepts. Automaton has 730 states and 863 transitions. Word has length 138 [2018-11-18 15:04:47,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:47,470 INFO L480 AbstractCegarLoop]: Abstraction has 730 states and 863 transitions. [2018-11-18 15:04:47,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 15:04:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 730 states and 863 transitions. [2018-11-18 15:04:47,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-18 15:04:47,473 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:04:47,473 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:04:47,473 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:04:47,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:04:47,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1386341399, now seen corresponding path program 1 times [2018-11-18 15:04:47,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:04:47,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:04:47,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:47,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:47,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:04:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 41 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-18 15:04:47,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:04:47,602 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 15:04:47,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:04:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:04:47,709 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 15:04:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 15:04:47,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:04:47,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-18 15:04:47,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 15:04:47,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 15:04:47,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 15:04:47,816 INFO L87 Difference]: Start difference. First operand 730 states and 863 transitions. Second operand 13 states. [2018-11-18 15:04:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:04:47,877 INFO L93 Difference]: Finished difference Result 964 states and 1143 transitions. [2018-11-18 15:04:47,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 15:04:47,878 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 192 [2018-11-18 15:04:47,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:04:47,879 INFO L225 Difference]: With dead ends: 964 [2018-11-18 15:04:47,879 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:04:47,881 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-18 15:04:47,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:04:47,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:04:47,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:04:47,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:04:47,881 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 192 [2018-11-18 15:04:47,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:04:47,881 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:04:47,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 15:04:47,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:04:47,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:04:47,885 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:04:47,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:47,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:04:48,267 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L672(lines 672 676) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L672-1(lines 672 676) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L667(line 667) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L666-1(lines 666 687) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L666-3(lines 666 687) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 641 696) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L688(lines 665 689) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 641 696) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 641 696) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L729-1(lines 729 733) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L723-1(lines 723 748) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point L723-3(lines 723 748) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 697 756) no Hoare annotation was computed. [2018-11-18 15:04:49,399 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 697 756) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 697 756) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point L724(line 724) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point L749(lines 722 750) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 546 552) the Hoare annotation is: true [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 546 552) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 553 561) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 553 561) the Hoare annotation is: true [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 553 561) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L421 ceAbstractionStarter]: At program point L577(line 577) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-18 15:04:49,400 INFO L425 ceAbstractionStarter]: For program point L575(lines 575 581) no Hoare annotation was computed. [2018-11-18 15:04:49,400 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 563 587) the Hoare annotation is: true [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0) (or (< ~waterLevel~0 2) .cse0))) [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L573-1(line 573) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 584) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 563 587) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L428 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: true [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L569-1(line 569) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 563 587) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 ~waterLevel~0) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,401 INFO L421 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-11-18 15:04:49,401 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-11-18 15:04:49,402 INFO L425 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 379 387) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 379 387) the Hoare annotation is: true [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 379 387) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L428 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L418-1(line 418) no Hoare annotation was computed. [2018-11-18 15:04:49,403 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 415) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point L407-2(lines 407 415) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 388 423) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point L395(lines 395 403) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point L395-2(lines 395 403) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 388 423) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 388 423) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 539 545) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 539 545) the Hoare annotation is: true [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 595 640) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 595 640) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 595 640) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point L928(lines 928 935) no Hoare annotation was computed. [2018-11-18 15:04:49,404 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 942) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 908 953) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point L922-1(lines 922 942) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 908 953) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 908 953) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 368 378) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 368 378) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 368 378) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point L373-1(line 373) no Hoare annotation was computed. [2018-11-18 15:04:49,405 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 360 367) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,405 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 360 367) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 360 367) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L421 ceAbstractionStarter]: At program point L346(line 346) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| 0) .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point L346-1(lines 327 351) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 327 351) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L421 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (or (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,406 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 327 351) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,406 INFO L421 ceAbstractionStarter]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 15:04:49,406 INFO L425 ceAbstractionStarter]: For program point L335(lines 335 343) no Hoare annotation was computed. [2018-11-18 15:04:49,406 INFO L421 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1))) [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L333-1(line 333) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 348) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 293 299) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 293 299) the Hoare annotation is: true [2018-11-18 15:04:49,407 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 463 526) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L475(lines 475 479) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L473-1(lines 473 518) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 463 526) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L421 ceAbstractionStarter]: At program point L519(lines 472 520) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L509(lines 509 513) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L421 ceAbstractionStarter]: At program point L509-2(lines 503 514) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L474(lines 473 518) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L503(lines 503 514) no Hoare annotation was computed. [2018-11-18 15:04:49,407 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:04:49,407 INFO L425 ceAbstractionStarter]: For program point L493(lines 493 499) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 493 499) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L421 ceAbstractionStarter]: At program point L485(line 485) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:04:49,408 INFO L421 ceAbstractionStarter]: At program point L516(lines 473 518) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 489) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 463 526) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 483 489) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 862 907) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 862 907) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 889) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 862 907) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 896) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point L876-1(lines 876 896) no Hoare annotation was computed. [2018-11-18 15:04:49,408 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 529 538) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 529 538) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 529 538) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 759 861) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point L783(lines 783 787) no Hoare annotation was computed. [2018-11-18 15:04:49,409 INFO L425 ceAbstractionStarter]: For program point L847(lines 847 858) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L810(lines 810 814) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L808-1(lines 808 828) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 759 861) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L808-3(lines 808 828) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L829(lines 807 830) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L788(lines 788 804) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 759 861) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L848(lines 848 855) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L809(lines 808 828) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L840-1(line 840) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point L805(lines 805 846) no Hoare annotation was computed. [2018-11-18 15:04:49,410 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 352 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,411 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 127 135) the Hoare annotation is: true [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point L433(lines 433 437) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 424 442) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L428 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: true [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point L433-2(lines 433 437) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L425 ceAbstractionStarter]: For program point L431-1(line 431) no Hoare annotation was computed. [2018-11-18 15:04:49,411 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 424 442) the Hoare annotation is: true [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 424 442) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: true [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 95 103) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-11-18 15:04:49,412 INFO L421 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0) (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-18 15:04:49,413 INFO L421 ceAbstractionStarter]: At program point L280(lines 280 286) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= ~systemActive~0 1))) (let ((.cse1 (and (<= 2 ~waterLevel~0) .cse2 .cse3)) (.cse0 (not .cse3))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0 .cse1 (and .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) .cse1 (or (< |old(~waterLevel~0)| 2) .cse0))))) [2018-11-18 15:04:49,413 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< |old(~waterLevel~0)| 2) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) (< |old(~waterLevel~0)| 1) .cse0))) [2018-11-18 15:04:49,413 INFO L425 ceAbstractionStarter]: For program point L273(lines 272 291) no Hoare annotation was computed. [2018-11-18 15:04:49,413 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 269 292) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< |old(~waterLevel~0)| 2) .cse1)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< |old(~waterLevel~0)| 1) .cse1))) [2018-11-18 15:04:49,413 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 269 292) no Hoare annotation was computed. [2018-11-18 15:04:49,413 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 269 292) no Hoare annotation was computed. [2018-11-18 15:04:49,413 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-18 15:04:49,413 INFO L425 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-18 15:04:49,413 INFO L428 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-18 15:04:49,413 INFO L425 ceAbstractionStarter]: For program point L172-1(lines 172 186) no Hoare annotation was computed. [2018-11-18 15:04:49,413 INFO L428 ceAbstractionStarter]: At program point L172-3(lines 172 186) the Hoare annotation is: true [2018-11-18 15:04:49,413 INFO L428 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-18 15:04:49,414 INFO L428 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))) (< |old(~waterLevel~0)| 2)) [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-18 15:04:49,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,414 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~waterLevel~0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-18 15:04:49,415 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:04:49,415 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:04:49,415 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 301 325) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,415 INFO L421 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,415 INFO L425 ceAbstractionStarter]: For program point L320-1(lines 301 325) no Hoare annotation was computed. [2018-11-18 15:04:49,415 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 301 325) no Hoare annotation was computed. [2018-11-18 15:04:49,415 INFO L421 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,415 INFO L421 ceAbstractionStarter]: At program point L311(line 311) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,415 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 317) no Hoare annotation was computed. [2018-11-18 15:04:49,415 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1) (not (= ~systemActive~0 1))) [2018-11-18 15:04:49,415 INFO L425 ceAbstractionStarter]: For program point L307-1(line 307) no Hoare annotation was computed. [2018-11-18 15:04:49,415 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 322) no Hoare annotation was computed. [2018-11-18 15:04:49,416 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-11-18 15:04:49,416 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-11-18 15:04:49,416 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse1 (< |old(~waterLevel~0)| 1) (or (not (= 0 ~pumpRunning~0)) .cse0)))) [2018-11-18 15:04:49,416 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:04:49,416 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 15:04:49,416 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 15:04:49,416 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 15:04:49,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:04:49 BoogieIcfgContainer [2018-11-18 15:04:49,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:04:49,427 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:04:49,427 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:04:49,427 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:04:49,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:04:41" (3/4) ... [2018-11-18 15:04:49,435 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:04:49,441 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 15:04:49,442 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:04:49,443 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:04:49,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:04:49,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 15:04:49,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:04:49,444 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:04:49,451 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 15:04:49,451 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:04:49,452 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:04:49,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:04:49,473 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:04:49,511 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb49d1ee-da1e-4ade-9c95-37474fe26135/bin-2019/uautomizer/witness.graphml [2018-11-18 15:04:49,511 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:04:49,511 INFO L168 Benchmark]: Toolchain (without parser) took 9578.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 351.3 MB). Free memory was 956.9 MB in the beginning and 1.2 GB in the end (delta: -289.5 MB). Peak memory consumption was 61.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:04:49,512 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:04:49,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.9 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:04:49,512 INFO L168 Benchmark]: Boogie Preprocessor took 59.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:04:49,512 INFO L168 Benchmark]: RCFGBuilder took 731.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2018-11-18 15:04:49,513 INFO L168 Benchmark]: TraceAbstraction took 8231.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -228.5 MB). Peak memory consumption was 308.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:04:49,513 INFO L168 Benchmark]: Witness Printer took 83.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:04:49,514 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.9 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 33.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 731.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8231.90 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.5 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -228.5 MB). Peak memory consumption was 308.3 MB. Max. memory is 11.5 GB. * Witness Printer took 83.76 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: (((((0 == pumpRunning && 1 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (2 <= waterLevel && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 240 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1743 SDtfs, 2175 SDslu, 6060 SDs, 0 SdLazy, 4122 SolverSat, 1156 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 627 SyntacticMatches, 1 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 411 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=785occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 244 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1595 PreInvPairs, 1640 NumberOfFragments, 845 HoareAnnotationTreeSize, 1595 FomulaSimplifications, 2877 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 4606 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1754 NumberOfCodeBlocks, 1754 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 323995 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3033 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 412/440 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...