./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 59e8ffce74c1b6945f19c84278937c63a4a3dd33 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:13:23,514 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:13:23,515 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:13:23,521 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:13:23,521 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:13:23,521 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:13:23,522 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:13:23,523 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:13:23,523 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:13:23,524 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:13:23,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:13:23,524 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:13:23,525 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:13:23,525 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:13:23,526 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:13:23,526 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:13:23,526 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:13:23,527 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:13:23,528 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:13:23,529 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:13:23,529 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:13:23,530 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:13:23,531 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:13:23,531 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:13:23,531 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:13:23,531 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:13:23,532 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:13:23,532 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:13:23,533 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:13:23,533 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:13:23,533 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:13:23,534 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:13:23,534 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:13:23,534 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:13:23,534 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:13:23,535 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:13:23,535 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:13:23,542 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:13:23,542 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:13:23,542 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:13:23,542 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:13:23,543 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:13:23,543 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:13:23,544 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:13:23,544 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:13:23,545 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:13:23,545 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:13:23,545 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:13:23,546 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:13:23,546 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:13:23,546 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:13:23,546 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan 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 -> Taipan 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 -> 59e8ffce74c1b6945f19c84278937c63a4a3dd33 [2018-12-02 17:13:23,563 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:13:23,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:13:23,571 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:13:23,572 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:13:23,572 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:13:23,573 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-02 17:13:23,608 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/data/291fc755a/9eddcb6b59bc4f7ba6e9da83b59b3303/FLAGd4896a22f [2018-12-02 17:13:24,080 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:13:24,081 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/sv-benchmarks/c/product-lines/minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-02 17:13:24,086 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/data/291fc755a/9eddcb6b59bc4f7ba6e9da83b59b3303/FLAGd4896a22f [2018-12-02 17:13:24,095 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/data/291fc755a/9eddcb6b59bc4f7ba6e9da83b59b3303 [2018-12-02 17:13:24,097 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:13:24,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:13:24,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:13:24,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:13:24,101 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:13:24,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24, skipping insertion in model container [2018-12-02 17:13:24,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:13:24,128 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:13:24,282 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:13:24,289 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:13:24,367 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:13:24,382 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:13:24,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24 WrapperNode [2018-12-02 17:13:24,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:13:24,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:13:24,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:13:24,383 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:13:24,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:13:24,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:13:24,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:13:24,404 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:13:24,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,412 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... [2018-12-02 17:13:24,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:13:24,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:13:24,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:13:24,427 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:13:24,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 17:13:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:13:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 17:13:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 17:13:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 17:13:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 17:13:24,458 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 17:13:24,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 17:13:24,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 17:13:24,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 17:13:24,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 17:13:24,460 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:13:24,461 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 17:13:24,461 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 17:13:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:13:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:13:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 17:13:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 17:13:24,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:13:24,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:13:24,754 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:13:24,754 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 17:13:24,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:24 BoogieIcfgContainer [2018-12-02 17:13:24,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:13:24,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:13:24,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:13:24,758 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:13:24,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:13:24" (1/3) ... [2018-12-02 17:13:24,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:24, skipping insertion in model container [2018-12-02 17:13:24,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:24" (2/3) ... [2018-12-02 17:13:24,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273f9acc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:24, skipping insertion in model container [2018-12-02 17:13:24,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:24" (3/3) ... [2018-12-02 17:13:24,761 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product54_true-unreach-call_false-termination.cil.c [2018-12-02 17:13:24,769 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:13:24,775 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:13:24,784 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:13:24,803 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:13:24,803 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:13:24,803 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:13:24,803 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:13:24,803 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:13:24,803 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:13:24,803 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:13:24,803 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:13:24,816 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-12-02 17:13:24,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 17:13:24,822 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:24,822 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:24,824 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:24,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:24,827 INFO L82 PathProgramCache]: Analyzing trace with hash -2001401742, now seen corresponding path program 1 times [2018-12-02 17:13:24,829 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:24,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:24,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:24,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:24,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:24,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:24,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:24,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:13:24,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:24,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:13:24,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:13:24,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:13:24,976 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-12-02 17:13:25,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:25,000 INFO L93 Difference]: Finished difference Result 306 states and 379 transitions. [2018-12-02 17:13:25,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:13:25,001 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 17:13:25,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:25,008 INFO L225 Difference]: With dead ends: 306 [2018-12-02 17:13:25,008 INFO L226 Difference]: Without dead ends: 153 [2018-12-02 17:13:25,010 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:13:25,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-12-02 17:13:25,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-12-02 17:13:25,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-12-02 17:13:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 181 transitions. [2018-12-02 17:13:25,042 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 181 transitions. Word has length 52 [2018-12-02 17:13:25,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:25,043 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 181 transitions. [2018-12-02 17:13:25,043 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:13:25,043 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 181 transitions. [2018-12-02 17:13:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 17:13:25,045 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:25,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:25,045 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:25,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:25,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1725615412, now seen corresponding path program 1 times [2018-12-02 17:13:25,045 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:25,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:25,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,046 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:25,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:25,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:25,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 17:13:25,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:25,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 17:13:25,096 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 17:13:25,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:13:25,096 INFO L87 Difference]: Start difference. First operand 153 states and 181 transitions. Second operand 3 states. [2018-12-02 17:13:25,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:25,112 INFO L93 Difference]: Finished difference Result 251 states and 297 transitions. [2018-12-02 17:13:25,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 17:13:25,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 17:13:25,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:25,114 INFO L225 Difference]: With dead ends: 251 [2018-12-02 17:13:25,114 INFO L226 Difference]: Without dead ends: 144 [2018-12-02 17:13:25,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 17:13:25,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-02 17:13:25,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-02 17:13:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-02 17:13:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-12-02 17:13:25,127 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 53 [2018-12-02 17:13:25,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:25,128 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-12-02 17:13:25,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 17:13:25,128 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-12-02 17:13:25,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 17:13:25,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:25,130 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:25,130 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:25,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:25,130 INFO L82 PathProgramCache]: Analyzing trace with hash -625581009, now seen corresponding path program 1 times [2018-12-02 17:13:25,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:25,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:25,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:25,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:25,228 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:25,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:13:25,229 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:25,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:13:25,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:13:25,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:13:25,229 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 7 states. [2018-12-02 17:13:25,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:25,402 INFO L93 Difference]: Finished difference Result 264 states and 315 transitions. [2018-12-02 17:13:25,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:13:25,402 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 17:13:25,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:25,403 INFO L225 Difference]: With dead ends: 264 [2018-12-02 17:13:25,403 INFO L226 Difference]: Without dead ends: 144 [2018-12-02 17:13:25,404 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:13:25,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-12-02 17:13:25,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-12-02 17:13:25,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-12-02 17:13:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-12-02 17:13:25,413 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 58 [2018-12-02 17:13:25,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:25,413 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-12-02 17:13:25,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:13:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-12-02 17:13:25,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 17:13:25,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:25,415 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:25,415 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:25,415 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:25,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1965916871, now seen corresponding path program 1 times [2018-12-02 17:13:25,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:25,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:25,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,416 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:25,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:25,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:25,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:25,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:25,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:25,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:25,480 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 5 states. [2018-12-02 17:13:25,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:25,786 INFO L93 Difference]: Finished difference Result 383 states and 463 transitions. [2018-12-02 17:13:25,787 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:25,787 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-02 17:13:25,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:25,788 INFO L225 Difference]: With dead ends: 383 [2018-12-02 17:13:25,788 INFO L226 Difference]: Without dead ends: 263 [2018-12-02 17:13:25,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:13:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-12-02 17:13:25,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 244. [2018-12-02 17:13:25,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-12-02 17:13:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 277 transitions. [2018-12-02 17:13:25,804 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 277 transitions. Word has length 76 [2018-12-02 17:13:25,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:25,805 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 277 transitions. [2018-12-02 17:13:25,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 277 transitions. [2018-12-02 17:13:25,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 17:13:25,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:25,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:25,806 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:25,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:25,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1982144752, now seen corresponding path program 1 times [2018-12-02 17:13:25,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:25,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:25,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:25,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:25,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:25,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:25,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:25,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:25,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:25,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:25,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:25,862 INFO L87 Difference]: Start difference. First operand 244 states and 277 transitions. Second operand 6 states. [2018-12-02 17:13:25,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:25,999 INFO L93 Difference]: Finished difference Result 591 states and 704 transitions. [2018-12-02 17:13:25,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:13:26,000 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-12-02 17:13:26,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:26,002 INFO L225 Difference]: With dead ends: 591 [2018-12-02 17:13:26,002 INFO L226 Difference]: Without dead ends: 371 [2018-12-02 17:13:26,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:26,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-12-02 17:13:26,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-12-02 17:13:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-02 17:13:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 422 transitions. [2018-12-02 17:13:26,022 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 422 transitions. Word has length 90 [2018-12-02 17:13:26,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:26,023 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 422 transitions. [2018-12-02 17:13:26,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 422 transitions. [2018-12-02 17:13:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 17:13:26,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:26,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:26,024 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:26,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:26,025 INFO L82 PathProgramCache]: Analyzing trace with hash 685565194, now seen corresponding path program 1 times [2018-12-02 17:13:26,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:26,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:26,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:26,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:26,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:26,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:13:26,118 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:26,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:26,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:26,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:13:26,118 INFO L87 Difference]: Start difference. First operand 367 states and 422 transitions. Second operand 6 states. [2018-12-02 17:13:26,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:26,285 INFO L93 Difference]: Finished difference Result 802 states and 959 transitions. [2018-12-02 17:13:26,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:13:26,285 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 17:13:26,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:26,288 INFO L225 Difference]: With dead ends: 802 [2018-12-02 17:13:26,288 INFO L226 Difference]: Without dead ends: 582 [2018-12-02 17:13:26,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:26,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2018-12-02 17:13:26,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 564. [2018-12-02 17:13:26,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-02 17:13:26,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 664 transitions. [2018-12-02 17:13:26,312 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 664 transitions. Word has length 94 [2018-12-02 17:13:26,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:26,312 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 664 transitions. [2018-12-02 17:13:26,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:26,312 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 664 transitions. [2018-12-02 17:13:26,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 17:13:26,313 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:26,314 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:26,314 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:26,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:26,314 INFO L82 PathProgramCache]: Analyzing trace with hash -1250095093, now seen corresponding path program 1 times [2018-12-02 17:13:26,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:26,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:26,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:26,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:26,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:26,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 17:13:26,350 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:26,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 17:13:26,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 17:13:26,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:26,350 INFO L87 Difference]: Start difference. First operand 564 states and 664 transitions. Second operand 5 states. [2018-12-02 17:13:26,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:26,382 INFO L93 Difference]: Finished difference Result 991 states and 1193 transitions. [2018-12-02 17:13:26,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 17:13:26,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-12-02 17:13:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:26,385 INFO L225 Difference]: With dead ends: 991 [2018-12-02 17:13:26,385 INFO L226 Difference]: Without dead ends: 574 [2018-12-02 17:13:26,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 17:13:26,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-02 17:13:26,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 568. [2018-12-02 17:13:26,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-12-02 17:13:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 667 transitions. [2018-12-02 17:13:26,404 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 667 transitions. Word has length 94 [2018-12-02 17:13:26,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:26,405 INFO L480 AbstractCegarLoop]: Abstraction has 568 states and 667 transitions. [2018-12-02 17:13:26,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 17:13:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 667 transitions. [2018-12-02 17:13:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 17:13:26,406 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:26,406 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:26,406 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:26,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:26,406 INFO L82 PathProgramCache]: Analyzing trace with hash -590563571, now seen corresponding path program 1 times [2018-12-02 17:13:26,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:26,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:26,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:26,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:26,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:26,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:13:26,460 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:26,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:13:26,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:13:26,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:13:26,461 INFO L87 Difference]: Start difference. First operand 568 states and 667 transitions. Second operand 9 states. [2018-12-02 17:13:26,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:26,504 INFO L93 Difference]: Finished difference Result 1116 states and 1338 transitions. [2018-12-02 17:13:26,504 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:13:26,504 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-02 17:13:26,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:26,506 INFO L225 Difference]: With dead ends: 1116 [2018-12-02 17:13:26,506 INFO L226 Difference]: Without dead ends: 572 [2018-12-02 17:13:26,507 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:13:26,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-02 17:13:26,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 566. [2018-12-02 17:13:26,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 566 states. [2018-12-02 17:13:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 663 transitions. [2018-12-02 17:13:26,526 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 663 transitions. Word has length 94 [2018-12-02 17:13:26,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:26,526 INFO L480 AbstractCegarLoop]: Abstraction has 566 states and 663 transitions. [2018-12-02 17:13:26,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:13:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 663 transitions. [2018-12-02 17:13:26,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-02 17:13:26,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:26,528 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:26,528 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:26,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash -312273476, now seen corresponding path program 1 times [2018-12-02 17:13:26,529 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:26,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:26,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,529 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:13:26,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:13:26,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 17:13:26,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:26,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 17:13:26,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 17:13:26,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:13:26,620 INFO L87 Difference]: Start difference. First operand 566 states and 663 transitions. Second operand 10 states. [2018-12-02 17:13:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:26,755 INFO L93 Difference]: Finished difference Result 1114 states and 1308 transitions. [2018-12-02 17:13:26,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 17:13:26,755 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-12-02 17:13:26,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:26,758 INFO L225 Difference]: With dead ends: 1114 [2018-12-02 17:13:26,758 INFO L226 Difference]: Without dead ends: 572 [2018-12-02 17:13:26,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:13:26,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2018-12-02 17:13:26,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 551. [2018-12-02 17:13:26,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2018-12-02 17:13:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 628 transitions. [2018-12-02 17:13:26,783 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 628 transitions. Word has length 95 [2018-12-02 17:13:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:26,783 INFO L480 AbstractCegarLoop]: Abstraction has 551 states and 628 transitions. [2018-12-02 17:13:26,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 17:13:26,783 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 628 transitions. [2018-12-02 17:13:26,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 17:13:26,785 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:26,786 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:26,786 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:26,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:26,786 INFO L82 PathProgramCache]: Analyzing trace with hash 267209549, now seen corresponding path program 1 times [2018-12-02 17:13:26,786 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:26,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:26,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:26,787 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 17:13:26,836 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:26,836 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:13:26,837 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-02 17:13:26,838 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-02 17:13:26,861 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:13:26,861 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:13:27,224 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:13:27,225 INFO L272 AbstractInterpreter]: Visited 66 different actions 99 times. Merged at 6 different actions 6 times. Never widened. Performed 5308 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5308 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 17:13:27,237 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:27,237 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:13:27,488 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 96.41% of their original sizes. [2018-12-02 17:13:27,488 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:13:27,585 INFO L418 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-12-02 17:13:27,585 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:13:27,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:13:27,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-02 17:13:27,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:27,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 17:13:27,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 17:13:27,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:13:27,586 INFO L87 Difference]: Start difference. First operand 551 states and 628 transitions. Second operand 19 states. [2018-12-02 17:13:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:30,177 INFO L93 Difference]: Finished difference Result 1244 states and 1448 transitions. [2018-12-02 17:13:30,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 17:13:30,177 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 143 [2018-12-02 17:13:30,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:30,179 INFO L225 Difference]: With dead ends: 1244 [2018-12-02 17:13:30,179 INFO L226 Difference]: Without dead ends: 717 [2018-12-02 17:13:30,180 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-12-02 17:13:30,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-02 17:13:30,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 706. [2018-12-02 17:13:30,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 706 states. [2018-12-02 17:13:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 799 transitions. [2018-12-02 17:13:30,203 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 799 transitions. Word has length 143 [2018-12-02 17:13:30,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:30,204 INFO L480 AbstractCegarLoop]: Abstraction has 706 states and 799 transitions. [2018-12-02 17:13:30,204 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 17:13:30,204 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 799 transitions. [2018-12-02 17:13:30,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 17:13:30,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:30,205 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:30,205 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:30,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:30,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1284717658, now seen corresponding path program 1 times [2018-12-02 17:13:30,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:30,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:30,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:30,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:30,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:30,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:13:30,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:30,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:13:30,257 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-12-02 17:13:30,258 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [141], [143], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-02 17:13:30,260 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:13:30,260 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:13:31,420 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 17:13:31,420 INFO L272 AbstractInterpreter]: Visited 125 different actions 750 times. Merged at 21 different actions 64 times. Never widened. Performed 32888 root evaluator evaluations with a maximum evaluation depth of 3. Performed 32888 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 5 different actions. Largest state had 133 variables. [2018-12-02 17:13:31,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:31,423 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 17:13:31,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:31,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:13:31,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:31,430 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 17:13:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:31,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-02 17:13:31,570 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:13:31,695 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 17:13:31,712 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:13:31,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [7] total 12 [2018-12-02 17:13:31,712 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:31,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:13:31,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:13:31,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:13:31,731 INFO L87 Difference]: Start difference. First operand 706 states and 799 transitions. Second operand 6 states. [2018-12-02 17:13:31,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:31,852 INFO L93 Difference]: Finished difference Result 1691 states and 1967 transitions. [2018-12-02 17:13:31,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 17:13:31,853 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 147 [2018-12-02 17:13:31,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:31,857 INFO L225 Difference]: With dead ends: 1691 [2018-12-02 17:13:31,857 INFO L226 Difference]: Without dead ends: 1164 [2018-12-02 17:13:31,859 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 289 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:13:31,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2018-12-02 17:13:31,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1164. [2018-12-02 17:13:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1164 states. [2018-12-02 17:13:31,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1323 transitions. [2018-12-02 17:13:31,910 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1323 transitions. Word has length 147 [2018-12-02 17:13:31,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:31,911 INFO L480 AbstractCegarLoop]: Abstraction has 1164 states and 1323 transitions. [2018-12-02 17:13:31,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:13:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1323 transitions. [2018-12-02 17:13:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 17:13:31,913 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:31,913 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:31,913 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:31,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:31,913 INFO L82 PathProgramCache]: Analyzing trace with hash -2014247093, now seen corresponding path program 1 times [2018-12-02 17:13:31,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:31,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:31,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:31,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:31,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 17:13:31,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:31,959 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:13:31,959 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-12-02 17:13:31,959 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [86], [89], [91], [94], [99], [105], [108], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [139], [141], [143], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-02 17:13:31,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:13:31,962 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:13:32,155 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 17:13:32,155 INFO L272 AbstractInterpreter]: Visited 71 different actions 109 times. Merged at 7 different actions 7 times. Never widened. Performed 5943 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5943 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 17:13:32,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:32,160 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 17:13:32,313 INFO L227 lantSequenceWeakener]: Weakened 84 states. On average, predicates are now at 96.42% of their original sizes. [2018-12-02 17:13:32,313 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 17:13:32,432 INFO L418 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-12-02 17:13:32,432 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 17:13:32,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 17:13:32,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-12-02 17:13:32,432 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:13:32,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-02 17:13:32,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-02 17:13:32,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=357, Unknown=0, NotChecked=0, Total=420 [2018-12-02 17:13:32,433 INFO L87 Difference]: Start difference. First operand 1164 states and 1323 transitions. Second operand 21 states. [2018-12-02 17:13:35,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:35,631 INFO L93 Difference]: Finished difference Result 2510 states and 2950 transitions. [2018-12-02 17:13:35,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 17:13:35,631 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 151 [2018-12-02 17:13:35,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:35,637 INFO L225 Difference]: With dead ends: 2510 [2018-12-02 17:13:35,637 INFO L226 Difference]: Without dead ends: 1525 [2018-12-02 17:13:35,638 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=696, Unknown=0, NotChecked=0, Total=812 [2018-12-02 17:13:35,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1525 states. [2018-12-02 17:13:35,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1525 to 1340. [2018-12-02 17:13:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2018-12-02 17:13:35,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1533 transitions. [2018-12-02 17:13:35,683 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1533 transitions. Word has length 151 [2018-12-02 17:13:35,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:35,683 INFO L480 AbstractCegarLoop]: Abstraction has 1340 states and 1533 transitions. [2018-12-02 17:13:35,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-02 17:13:35,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1533 transitions. [2018-12-02 17:13:35,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 17:13:35,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:13:35,686 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:13:35,686 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:13:35,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:35,686 INFO L82 PathProgramCache]: Analyzing trace with hash -752833622, now seen corresponding path program 1 times [2018-12-02 17:13:35,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:13:35,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:35,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:35,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:13:35,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:13:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:13:35,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:35,755 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 17:13:35,755 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-02 17:13:35,755 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [146], [149], [153], [159], [186], [187], [188], [190], [193], [195], [197], [200], [202], [207], [213], [216], [220], [221], [225], [228], [230], [233], [243], [248], [252], [253], [256], [271], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [287], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [305], [306], [309], [310], [311], [312], [313], [314], [315], [316], [321], [322], [323], [324], [325], [326], [327], [329], [330], [331], [333], [334], [335], [336], [347], [348] [2018-12-02 17:13:35,757 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 17:13:35,757 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 17:13:36,020 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 17:13:36,020 INFO L272 AbstractInterpreter]: Visited 99 different actions 123 times. Merged at 6 different actions 6 times. Never widened. Performed 6819 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6819 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 17:13:36,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:13:36,025 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 17:13:36,025 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 17:13:36,025 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 17:13:36,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:13:36,033 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 17:13:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:13:36,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:13:36,173 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 17:13:36,173 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 17:13:36,394 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:13:36,410 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 17:13:36,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-02 17:13:36,410 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 17:13:36,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 17:13:36,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 17:13:36,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-02 17:13:36,411 INFO L87 Difference]: Start difference. First operand 1340 states and 1533 transitions. Second operand 15 states. [2018-12-02 17:13:38,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:13:38,040 INFO L93 Difference]: Finished difference Result 3176 states and 4092 transitions. [2018-12-02 17:13:38,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-02 17:13:38,040 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 143 [2018-12-02 17:13:38,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:13:38,041 INFO L225 Difference]: With dead ends: 3176 [2018-12-02 17:13:38,041 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:13:38,046 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 276 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-02 17:13:38,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:13:38,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:13:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:13:38,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:13:38,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 143 [2018-12-02 17:13:38,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:13:38,047 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:13:38,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 17:13:38,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:13:38,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:13:38,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:13:38,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 17:13:38,923 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2018-12-02 17:13:39,340 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2018-12-02 17:13:39,570 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2018-12-02 17:13:39,932 WARN L180 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 56 [2018-12-02 17:13:40,491 WARN L180 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 62 [2018-12-02 17:13:40,832 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 28 [2018-12-02 17:13:40,959 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 27 [2018-12-02 17:13:41,118 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2018-12-02 17:13:41,727 WARN L180 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 69 [2018-12-02 17:13:41,896 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 41 [2018-12-02 17:13:42,089 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2018-12-02 17:13:42,202 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 29 [2018-12-02 17:13:42,443 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 48 [2018-12-02 17:13:42,770 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 29 [2018-12-02 17:13:42,999 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 47 [2018-12-02 17:13:43,198 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 39 [2018-12-02 17:13:43,444 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 44 [2018-12-02 17:13:43,572 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2018-12-02 17:13:43,847 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 32 [2018-12-02 17:13:43,985 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2018-12-02 17:13:44,954 WARN L180 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 75 [2018-12-02 17:13:45,136 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 315 321) the Hoare annotation is: true [2018-12-02 17:13:45,136 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 315 321) no Hoare annotation was computed. [2018-12-02 17:13:45,136 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 322 330) no Hoare annotation was computed. [2018-12-02 17:13:45,136 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 322 330) the Hoare annotation is: true [2018-12-02 17:13:45,136 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 322 330) no Hoare annotation was computed. [2018-12-02 17:13:45,136 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 229 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,136 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 229 251) no Hoare annotation was computed. [2018-12-02 17:13:45,136 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,136 INFO L444 ceAbstractionStarter]: At program point L241-1(line 241) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,136 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 246) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 239 246) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point L237(line 237) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 229 251) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,137 INFO L444 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,137 INFO L444 ceAbstractionStarter]: At program point L235-1(line 235) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 907 915) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 907 915) the Hoare annotation is: true [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 907 915) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 971 989) the Hoare annotation is: true [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 971 989) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 984) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L451 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point L980-2(lines 980 984) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 971 989) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 308 314) no Hoare annotation was computed. [2018-12-02 17:13:45,137 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 308 314) the Hoare annotation is: true [2018-12-02 17:13:45,138 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 216 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 216 225) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 216 225) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 896 906) the Hoare annotation is: true [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 896 906) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 896 906) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L451 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 888 895) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 888 895) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 888 895) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 871) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 876) no Hoare annotation was computed. [2018-12-02 17:13:45,138 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 855 879) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 855 879) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse1 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,139 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or (or .cse0 .cse4 .cse3) .cse5 .cse6))) [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 855 879) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-02 17:13:45,139 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,139 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and (and .cse6 .cse5 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-02 17:13:45,139 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse7 .cse2 .cse3 .cse4) (and .cse5 .cse7 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:13:45,140 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (<= ~waterLevel~0 2)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse7 .cse2 .cse3 .cse4) (and .cse5 .cse7 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse5 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse0 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-02 17:13:45,140 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0))) (and (or (or .cse0 .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) .cse2 .cse3))) [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 965) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 952 970) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L451 ceAbstractionStarter]: At program point L959(line 959) the Hoare annotation is: true [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point L961-2(lines 961 965) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point L959-1(line 959) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 952 970) the Hoare annotation is: true [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 952 970) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 118 126) the Hoare annotation is: true [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 118 126) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 118 126) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-12-02 17:13:45,141 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (< |old(~methaneLevelCritical~0)| 1)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 (= 0 ~methaneLevelCritical~0) .cse0 .cse5 .cse6) (or (= ~methaneLevelCritical~0 0) .cse2 .cse0 .cse6) (or .cse1 .cse4 .cse3 .cse0 .cse5) (or (let ((.cse7 (not (= |old(~methaneLevelCritical~0)| 1)))) (and (or .cse7 (not (= ~waterLevel~0 2))) (or .cse7 (not (= ~waterLevel~0 1))))) (= ~methaneLevelCritical~0 1) .cse4 .cse5)))) [2018-12-02 17:13:45,141 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-12-02 17:13:45,142 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse16 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 1)))) (let ((.cse10 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse9 (or .cse16 .cse8))) (let ((.cse2 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse1 (and (or .cse16 .cse8 .cse15) (or (or .cse4 .cse14) .cse9))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (and .cse10 .cse3)) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse12 (= ~waterLevel~0 2)) (.cse11 (= ~waterLevel~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 .cse1) .cse2) (or (and .cse2 .cse3) .cse1 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse4) (or (< 1 |old(~waterLevel~0)|) .cse9 .cse6 .cse4) (or .cse0 (and .cse10 (<= ~waterLevel~0 1) .cse3) .cse9 .cse7) (or (or .cse0 .cse5 .cse8) .cse6 .cse7) (or (or .cse11 .cse12) (or (let ((.cse13 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse13 .cse14) (or .cse13 .cse15))) .cse5 .cse8)) (or .cse5 .cse12 .cse8 .cse4 .cse14) (or .cse11 (or .cse5 .cse8 .cse15) .cse4))))) [2018-12-02 17:13:45,142 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse20 (= ~systemActive~0 1))) (let ((.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse11 (not .cse20)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse13 (= ~waterLevel~0 2)) (.cse15 (not (= ~methaneLevelCritical~0 1))) (.cse16 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not .cse18)) (.cse17 (not (= |old(~waterLevel~0)| 2))) (.cse5 (or .cse21 .cse11)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (< 1 |old(~waterLevel~0)|)) (.cse10 (and .cse8 .cse3)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (and (or .cse21 .cse11 .cse16) (or (or .cse2 .cse17) .cse5))) (.cse14 (or .cse15 .cse17)) (.cse1 (let ((.cse19 (= ~pumpRunning~0 1))) (or (and (and .cse13 .cse18) .cse19 .cse20 .cse3) (and (= 1 ~waterLevel~0) .cse19 .cse20 .cse3)))) (.cse12 (= ~waterLevel~0 1)) (.cse9 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (and (<= ~waterLevel~0 2) .cse3) .cse4 .cse5 .cse6) (or .cse4 .cse7 .cse5 .cse8) (or .cse9 .cse10 .cse6 .cse11 .cse2) (or .cse7 .cse5 .cse10 .cse2) (or (or .cse4 .cse9 .cse11) .cse10 .cse6) (or (or .cse12 .cse13) (or (and .cse14 (or .cse15 .cse16)) .cse9 .cse11)) (or (and (or .cse4 .cse0) (or .cse5 .cse14)) (or .cse13 .cse1)) (or .cse9 .cse13 .cse11 .cse2 .cse17) (or .cse12 (or .cse9 .cse11 .cse16) .cse2)))))) [2018-12-02 17:13:45,142 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse20 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse19 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse6 (or .cse20 .cse2)) (.cse14 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (let ((.cse0 (let ((.cse21 (not (= ~methaneLevelCritical~0 1)))) (and (or .cse21 .cse14) (or .cse21 .cse4)))) (.cse15 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) (.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse12 (and (or .cse20 .cse2 .cse4) (or (or .cse10 .cse14) .cse6))) (.cse16 (or .cse19 .cse1 .cse2)) (.cse8 (= 0 ~pumpRunning~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse17 (< 2 |old(~waterLevel~0)|)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse13 (= ~pumpRunning~0 1)) (.cse9 (and .cse7 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8) .cse9 .cse10) (or (and .cse11 .cse3) .cse12 (and .cse11 .cse8) .cse10) (or .cse1 .cse13 .cse2 .cse10 .cse14) (or .cse15 (or .cse0 .cse1 .cse2)) (or .cse1 .cse2 (and (= 1 ~waterLevel~0) .cse3) .cse4 .cse10) (or .cse16 .cse17 (and .cse18 .cse3) (and (<= ~waterLevel~0 2) .cse13)) (or .cse1 .cse15 .cse2 .cse10 .cse14) (or .cse11 (or .cse19 .cse12)) (or .cse5 .cse16 .cse7) (or .cse19 (and .cse7 .cse18 .cse3) .cse6 (and .cse7 .cse8 .cse18) .cse17) (or .cse5 .cse1 (and .cse7 .cse13) .cse2 .cse10 .cse9))))) [2018-12-02 17:13:45,143 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-02 17:13:45,143 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse10 .cse5))) (let ((.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse9 (= ~waterLevel~0 2)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse8 (and (or .cse10 .cse5 (not (= |old(~waterLevel~0)| 1))) (or (or .cse3 .cse6) .cse1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse6) .cse3) (or .cse7 .cse1 .cse2 .cse0) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse5 .cse3) (or (or .cse7 .cse4 .cse5) .cse2) (or .cse8 (or .cse9 (= ~waterLevel~0 1)) .cse3) (or (or .cse9 (= 1 ~waterLevel~0)) (and (or .cse7 .cse8) (or .cse1 (or (not (= ~methaneLevelCritical~0 1)) .cse6)))))))) [2018-12-02 17:13:45,143 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-02 17:13:45,143 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-02 17:13:45,143 INFO L451 ceAbstractionStarter]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2018-12-02 17:13:45,143 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2018-12-02 17:13:45,143 INFO L451 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-12-02 17:13:45,143 INFO L448 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-12-02 17:13:45,143 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2018-12-02 17:13:45,143 INFO L451 ceAbstractionStarter]: At program point L178(lines 153 182) the Hoare annotation is: true [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L451 ceAbstractionStarter]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L444 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 263 295) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L448 ceAbstractionStarter]: For program point L282(lines 282 288) no Hoare annotation was computed. [2018-12-02 17:13:45,144 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 263 295) the Hoare annotation is: true [2018-12-02 17:13:45,145 INFO L444 ceAbstractionStarter]: At program point L280(line 280) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (< 1 ~waterLevel~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse1 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse3 .cse6) (or .cse4 .cse2 .cse3 .cse6) (or (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0) .cse0 .cse2 .cse3 .cse6))) [2018-12-02 17:13:45,145 INFO L448 ceAbstractionStarter]: For program point L280-1(line 280) no Hoare annotation was computed. [2018-12-02 17:13:45,145 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 291) no Hoare annotation was computed. [2018-12-02 17:13:45,145 INFO L448 ceAbstractionStarter]: For program point L278-1(lines 263 295) no Hoare annotation was computed. [2018-12-02 17:13:45,145 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~1 ~methaneLevelCritical~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse1 .cse4 .cse6 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse7))) [2018-12-02 17:13:45,145 INFO L448 ceAbstractionStarter]: For program point L276-1(line 276) no Hoare annotation was computed. [2018-12-02 17:13:45,145 INFO L448 ceAbstractionStarter]: For program point L272(lines 272 292) no Hoare annotation was computed. [2018-12-02 17:13:45,145 INFO L451 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: true [2018-12-02 17:13:45,145 INFO L448 ceAbstractionStarter]: For program point L270-1(line 270) no Hoare annotation was computed. [2018-12-02 17:13:45,146 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse8 (not (= ~systemActive~0 1)))) (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse3 (or (= ~pumpRunning~0 0) .cse8)) (.cse1 (not (= 1 ~pumpRunning~0)))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 2)) (.cse6 (and (or (or .cse7 .cse5) .cse1 .cse3) (or .cse1 .cse8 (not (= |old(~waterLevel~0)| 1))))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< 2 |old(~waterLevel~0)|) .cse1 .cse2 .cse3) (or (or .cse4 (= 1 ~waterLevel~0)) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse5) .cse1 .cse3) (or .cse0 .cse6))) (or (or .cse4 (= ~waterLevel~0 1)) .cse6 .cse7) (or (< 1 |old(~waterLevel~0)|) .cse2 .cse1 .cse7 .cse3))))) [2018-12-02 17:13:45,146 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-12-02 17:13:45,146 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-12-02 17:13:45,146 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 208 214) no Hoare annotation was computed. [2018-12-02 17:13:45,146 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 208 214) the Hoare annotation is: true [2018-12-02 17:13:45,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:13:45,146 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 17:13:45,146 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:13:45,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:13:45,146 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse1 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,146 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (< 2 ~waterLevel~0)) (.cse4 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse2) (or .cse0 .cse8 .cse2 .cse9 .cse3) (or (or .cse5 .cse0 .cse2) .cse1 .cse4) (or .cse6 .cse7 .cse2 .cse3) (or (or (not (= ~methaneLevelCritical~0 1)) .cse9) .cse0 .cse2 .cse8))) [2018-12-02 17:13:45,147 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse6 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse7)) (.cse5 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~waterLevel~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse4 .cse3) .cse5 (or .cse6 (and (not (= ~waterLevel~0 2)) .cse7))) (or .cse4 .cse6 .cse5 (and .cse7 (<= ~waterLevel~0 1)) .cse3 .cse8) (or .cse4 .cse3 .cse9 .cse8) (or .cse1 .cse2 .cse3 .cse8) (or (or (not (= ~methaneLevelCritical~0 1)) .cse9) .cse4 .cse3)))) [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or (or .cse0 .cse4 .cse3) .cse5 .cse6))) [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 990 997) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 990 997) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1)))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse4 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse0 .cse5 .cse4) (or .cse5 .cse3 .cse4 .cse6) (or .cse1 .cse3 .cse4 .cse2 .cse6)))) [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 990 997) no Hoare annotation was computed. [2018-12-02 17:13:45,147 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (let ((.cse5 (< 2 |old(~waterLevel~0)|)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= 1 ~pumpRunning~0))) (.cse13 (or .cse12 .cse11)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse5 .cse6 .cse4 .cse7) (or .cse8 .cse6 .cse4 .cse9 .cse7) (or .cse2 .cse4 .cse10 .cse11 .cse7) (or .cse6 .cse4 .cse11 .cse7 .cse10) (or .cse3 .cse5 (or .cse0 .cse6 .cse4)) (or .cse1 .cse2 .cse4 .cse7 .cse3) (or .cse9 (or (and (or .cse12 .cse8) .cse13) .cse6 .cse4)) (or .cse13 .cse2 .cse4 .cse10)))) [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 257) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 253 260) the Hoare annotation is: true [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 829 853) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse1 .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,148 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or (or .cse0 .cse4 .cse3) .cse5 .cse6))) [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-02 17:13:45,148 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,148 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,148 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-02 17:13:45,149 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or (or .cse7 .cse5 .cse3) .cse6) (or .cse7 .cse0 .cse1 .cse2 .cse3))) [2018-12-02 17:13:45,149 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-02 17:13:45,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:13:45 BoogieIcfgContainer [2018-12-02 17:13:45,158 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:13:45,158 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:13:45,158 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:13:45,158 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:13:45,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:24" (3/4) ... [2018-12-02 17:13:45,161 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:13:45,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 17:13:45,164 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 17:13:45,165 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 17:13:45,166 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-02 17:13:45,172 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 17:13:45,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 17:13:45,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 17:13:45,173 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 17:13:45,174 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 17:13:45,174 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:13:45,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((waterLevel <= 2 && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 17:13:45,198 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 17:13:45,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d93ab7d-35c6-4995-b05b-02391692bfd9/bin-2019/utaipan/witness.graphml [2018-12-02 17:13:45,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:13:45,226 INFO L168 Benchmark]: Toolchain (without parser) took 21128.23 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 948.1 MB in the beginning and 1.4 GB in the end (delta: -479.0 MB). Peak memory consumption was 562.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:45,226 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:45,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:45,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:13:45,226 INFO L168 Benchmark]: Boogie Preprocessor took 22.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:45,227 INFO L168 Benchmark]: RCFGBuilder took 328.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:45,227 INFO L168 Benchmark]: TraceAbstraction took 20402.49 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 944.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -417.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-02 17:13:45,227 INFO L168 Benchmark]: Witness Printer took 67.32 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:13:45,228 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -138.6 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.28 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 328.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20402.49 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 944.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -417.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 67.32 ms. Allocated memory is still 2.1 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 257]: 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: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((waterLevel <= 2 && 1 <= methaneLevelCritical) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 20.3s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 8.6s AutomataDifference, 0.0s DeadEndRemovalTime, 7.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2697 SDtfs, 2520 SDslu, 10280 SDs, 0 SdLazy, 5622 SolverSat, 1252 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1038 GetRequests, 858 SyntacticMatches, 18 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 832 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1340occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9979258258163166 AbsIntWeakeningRatio, 0.8698630136986302 AbsIntAvgWeakeningVarsNumRemoved, 26.828767123287673 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 270 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 69 LocationsWithAnnotation, 3342 PreInvPairs, 3807 NumberOfFragments, 4114 HoareAnnotationTreeSize, 3342 FomulaSimplifications, 17029 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 69 FomulaSimplificationsInter, 40653 FormulaSimplificationTreeSizeReductionInter, 6.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1580 NumberOfCodeBlocks, 1580 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1853 ConstructedInterpolants, 0 QuantifiedInterpolants, 352108 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1714 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 228/252 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...