./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 20:13:31,419 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:13:31,421 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:13:31,433 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:13:31,433 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:13:31,434 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:13:31,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:13:31,438 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:13:31,439 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:13:31,440 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:13:31,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:13:31,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:13:31,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:13:31,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:13:31,445 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:13:31,446 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:13:31,447 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:13:31,449 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:13:31,451 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:13:31,453 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:13:31,454 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:13:31,455 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:13:31,458 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:13:31,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:13:31,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:13:31,459 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:13:31,460 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:13:31,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:13:31,462 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:13:31,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:13:31,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:13:31,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:13:31,465 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:13:31,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:13:31,467 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:13:31,467 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:13:31,468 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:13:31,488 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:13:31,488 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:13:31,489 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:13:31,489 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:13:31,489 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:13:31,490 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:13:31,490 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:13:31,490 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:13:31,490 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:13:31,490 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:13:31,490 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:13:31,491 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:13:31,491 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:13:31,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:13:31,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:13:31,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:13:31,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:13:31,492 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:13:31,492 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:13:31,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:13:31,494 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:13:31,494 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:13:31,494 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:13:31,495 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:13:31,495 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:13:31,495 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:13:31,495 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:13:31,495 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:13:31,495 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:13:31,496 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:13:31,496 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:13:31,496 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:13:31,496 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:13:31,496 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:13:31,496 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_5ac8994e-ae21-4121-8b16-902a1d2520a4/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-10-26 20:13:31,561 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:13:31,574 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:13:31,579 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:13:31,581 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:13:31,582 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:13:31,582 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-10-26 20:13:31,642 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/data/4e6c35d17/d1b20c1c4e694823befd3e258567d292/FLAG76df7ad0e [2018-10-26 20:13:32,092 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:13:32,096 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-10-26 20:13:32,111 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/data/4e6c35d17/d1b20c1c4e694823befd3e258567d292/FLAG76df7ad0e [2018-10-26 20:13:32,126 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/data/4e6c35d17/d1b20c1c4e694823befd3e258567d292 [2018-10-26 20:13:32,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:13:32,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:13:32,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:13:32,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:13:32,137 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:13:32,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@201f5e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32, skipping insertion in model container [2018-10-26 20:13:32,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:13:32,199 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:13:32,549 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:13:32,567 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:13:32,689 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:13:32,719 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:13:32,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32 WrapperNode [2018-10-26 20:13:32,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:13:32,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:13:32,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:13:32,721 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:13:32,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,886 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:13:32,886 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:13:32,886 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:13:32,886 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:13:32,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... [2018-10-26 20:13:32,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:13:32,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:13:32,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:13:32,946 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:13:32,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/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 [2018-10-26 20:13:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 20:13:33,040 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 20:13:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:13:33,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:13:33,042 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 20:13:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 20:13:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 20:13:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 20:13:33,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 20:13:33,043 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 20:13:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 20:13:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 20:13:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 20:13:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 20:13:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 20:13:33,044 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 20:13:33,044 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 20:13:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 20:13:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 20:13:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-10-26 20:13:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 20:13:33,045 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 20:13:33,045 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 20:13:33,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 20:13:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 20:13:33,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 20:13:33,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 20:13:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 20:13:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 20:13:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 20:13:33,051 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 20:13:33,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 20:13:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 20:13:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 20:13:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 20:13:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 20:13:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 20:13:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 20:13:33,052 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 20:13:33,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 20:13:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 20:13:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 20:13:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 20:13:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 20:13:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 20:13:33,053 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 20:13:33,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 20:13:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 20:13:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 20:13:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 20:13:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:13:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:13:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 20:13:33,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 20:13:33,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:13:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:13:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 20:13:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 20:13:33,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 20:13:33,055 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 20:13:34,389 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:13:34,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:13:34 BoogieIcfgContainer [2018-10-26 20:13:34,390 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:13:34,391 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:13:34,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:13:34,394 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:13:34,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:13:32" (1/3) ... [2018-10-26 20:13:34,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775b4512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:13:34, skipping insertion in model container [2018-10-26 20:13:34,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:13:32" (2/3) ... [2018-10-26 20:13:34,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@775b4512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:13:34, skipping insertion in model container [2018-10-26 20:13:34,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:13:34" (3/3) ... [2018-10-26 20:13:34,398 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-10-26 20:13:34,408 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:13:34,416 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:13:34,431 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:13:34,465 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:13:34,465 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:13:34,465 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:13:34,465 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:13:34,465 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:13:34,465 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:13:34,466 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:13:34,466 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:13:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-10-26 20:13:34,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 20:13:34,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:34,499 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:34,502 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:34,508 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:34,509 INFO L82 PathProgramCache]: Analyzing trace with hash 380097223, now seen corresponding path program 1 times [2018-10-26 20:13:34,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:34,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:34,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:34,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:34,563 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:13:34,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:34,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:13:34,861 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:34,867 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:13:34,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:13:34,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:13:34,884 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-10-26 20:13:34,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:34,933 INFO L93 Difference]: Finished difference Result 296 states and 365 transitions. [2018-10-26 20:13:34,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:13:34,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 20:13:34,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:34,949 INFO L225 Difference]: With dead ends: 296 [2018-10-26 20:13:34,949 INFO L226 Difference]: Without dead ends: 148 [2018-10-26 20:13:34,954 INFO L605 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 [2018-10-26 20:13:34,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-10-26 20:13:35,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-10-26 20:13:35,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-10-26 20:13:35,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2018-10-26 20:13:35,016 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 46 [2018-10-26 20:13:35,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:35,017 INFO L481 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2018-10-26 20:13:35,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:13:35,017 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2018-10-26 20:13:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 20:13:35,020 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:35,020 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:35,021 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:35,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:35,021 INFO L82 PathProgramCache]: Analyzing trace with hash -1915425234, now seen corresponding path program 1 times [2018-10-26 20:13:35,021 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:35,022 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:35,022 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:35,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:35,023 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:35,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:13:35,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:35,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 20:13:35,194 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:35,196 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 20:13:35,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 20:13:35,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 20:13:35,198 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2018-10-26 20:13:35,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:35,237 INFO L93 Difference]: Finished difference Result 237 states and 277 transitions. [2018-10-26 20:13:35,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 20:13:35,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 20:13:35,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:35,241 INFO L225 Difference]: With dead ends: 237 [2018-10-26 20:13:35,241 INFO L226 Difference]: Without dead ends: 138 [2018-10-26 20:13:35,243 INFO L605 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 [2018-10-26 20:13:35,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-10-26 20:13:35,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-10-26 20:13:35,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-10-26 20:13:35,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 161 transitions. [2018-10-26 20:13:35,262 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 161 transitions. Word has length 48 [2018-10-26 20:13:35,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:35,262 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 161 transitions. [2018-10-26 20:13:35,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 20:13:35,263 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 161 transitions. [2018-10-26 20:13:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 20:13:35,264 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:35,265 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:35,266 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:35,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:35,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1976174521, now seen corresponding path program 1 times [2018-10-26 20:13:35,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:35,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:35,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:35,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:35,269 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:35,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:13:35,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:35,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:13:35,560 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:35,561 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:13:35,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:13:35,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:13:35,562 INFO L87 Difference]: Start difference. First operand 138 states and 161 transitions. Second operand 7 states. [2018-10-26 20:13:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:37,417 INFO L93 Difference]: Finished difference Result 417 states and 502 transitions. [2018-10-26 20:13:37,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:13:37,418 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-10-26 20:13:37,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:37,425 INFO L225 Difference]: With dead ends: 417 [2018-10-26 20:13:37,425 INFO L226 Difference]: Without dead ends: 303 [2018-10-26 20:13:37,427 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:13:37,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-10-26 20:13:37,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 295. [2018-10-26 20:13:37,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-10-26 20:13:37,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 355 transitions. [2018-10-26 20:13:37,501 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 355 transitions. Word has length 52 [2018-10-26 20:13:37,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:37,502 INFO L481 AbstractCegarLoop]: Abstraction has 295 states and 355 transitions. [2018-10-26 20:13:37,503 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:13:37,503 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 355 transitions. [2018-10-26 20:13:37,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 20:13:37,506 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:37,506 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:37,506 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:37,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:37,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1395233999, now seen corresponding path program 1 times [2018-10-26 20:13:37,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:37,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:37,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:37,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:37,509 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:37,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:13:37,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:37,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:13:37,734 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:37,735 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:13:37,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:13:37,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:13:37,736 INFO L87 Difference]: Start difference. First operand 295 states and 355 transitions. Second operand 6 states. [2018-10-26 20:13:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:38,061 INFO L93 Difference]: Finished difference Result 822 states and 1013 transitions. [2018-10-26 20:13:38,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:13:38,062 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-26 20:13:38,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:38,066 INFO L225 Difference]: With dead ends: 822 [2018-10-26 20:13:38,067 INFO L226 Difference]: Without dead ends: 551 [2018-10-26 20:13:38,069 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:13:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2018-10-26 20:13:38,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 545. [2018-10-26 20:13:38,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 545 states. [2018-10-26 20:13:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 660 transitions. [2018-10-26 20:13:38,133 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 660 transitions. Word has length 58 [2018-10-26 20:13:38,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:38,133 INFO L481 AbstractCegarLoop]: Abstraction has 545 states and 660 transitions. [2018-10-26 20:13:38,134 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:13:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 660 transitions. [2018-10-26 20:13:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 20:13:38,138 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:38,138 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:38,139 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:38,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:38,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1229625813, now seen corresponding path program 1 times [2018-10-26 20:13:38,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:38,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:38,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:38,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:38,141 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:38,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:13:38,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:38,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:13:38,720 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:38,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:13:38,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:13:38,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:13:38,723 INFO L87 Difference]: Start difference. First operand 545 states and 660 transitions. Second operand 7 states. [2018-10-26 20:13:39,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:39,752 INFO L93 Difference]: Finished difference Result 1402 states and 1813 transitions. [2018-10-26 20:13:39,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 20:13:39,757 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-26 20:13:39,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:39,764 INFO L225 Difference]: With dead ends: 1402 [2018-10-26 20:13:39,764 INFO L226 Difference]: Without dead ends: 881 [2018-10-26 20:13:39,769 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-26 20:13:39,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 881 states. [2018-10-26 20:13:39,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 881 to 779. [2018-10-26 20:13:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 779 states. [2018-10-26 20:13:39,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 941 transitions. [2018-10-26 20:13:39,869 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 941 transitions. Word has length 62 [2018-10-26 20:13:39,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:39,870 INFO L481 AbstractCegarLoop]: Abstraction has 779 states and 941 transitions. [2018-10-26 20:13:39,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:13:39,870 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 941 transitions. [2018-10-26 20:13:39,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 20:13:39,877 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:39,878 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:39,878 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:39,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:39,878 INFO L82 PathProgramCache]: Analyzing trace with hash -633075278, now seen corresponding path program 1 times [2018-10-26 20:13:39,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:39,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:39,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:39,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:39,880 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:40,143 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:13:40,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:40,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:13:40,143 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:40,144 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:13:40,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:13:40,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:13:40,144 INFO L87 Difference]: Start difference. First operand 779 states and 941 transitions. Second operand 6 states. [2018-10-26 20:13:40,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:40,268 INFO L93 Difference]: Finished difference Result 1562 states and 1946 transitions. [2018-10-26 20:13:40,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 20:13:40,269 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-10-26 20:13:40,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:40,274 INFO L225 Difference]: With dead ends: 1562 [2018-10-26 20:13:40,274 INFO L226 Difference]: Without dead ends: 807 [2018-10-26 20:13:40,278 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:13:40,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2018-10-26 20:13:40,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 799. [2018-10-26 20:13:40,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 799 states. [2018-10-26 20:13:40,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 961 transitions. [2018-10-26 20:13:40,345 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 961 transitions. Word has length 99 [2018-10-26 20:13:40,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:40,346 INFO L481 AbstractCegarLoop]: Abstraction has 799 states and 961 transitions. [2018-10-26 20:13:40,346 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:13:40,346 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 961 transitions. [2018-10-26 20:13:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 20:13:40,350 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:40,350 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:40,350 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:40,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:40,351 INFO L82 PathProgramCache]: Analyzing trace with hash 260411060, now seen corresponding path program 1 times [2018-10-26 20:13:40,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:40,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:40,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:40,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:40,352 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:40,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:13:40,522 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:40,522 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:13:40,522 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:40,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:13:40,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:13:40,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:13:40,524 INFO L87 Difference]: Start difference. First operand 799 states and 961 transitions. Second operand 8 states. [2018-10-26 20:13:40,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:40,650 INFO L93 Difference]: Finished difference Result 1602 states and 1986 transitions. [2018-10-26 20:13:40,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:13:40,651 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-10-26 20:13:40,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:40,657 INFO L225 Difference]: With dead ends: 1602 [2018-10-26 20:13:40,659 INFO L226 Difference]: Without dead ends: 827 [2018-10-26 20:13:40,662 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:13:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2018-10-26 20:13:40,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 815. [2018-10-26 20:13:40,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-10-26 20:13:40,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 977 transitions. [2018-10-26 20:13:40,730 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 977 transitions. Word has length 99 [2018-10-26 20:13:40,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:40,731 INFO L481 AbstractCegarLoop]: Abstraction has 815 states and 977 transitions. [2018-10-26 20:13:40,731 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:13:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 977 transitions. [2018-10-26 20:13:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 20:13:40,735 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:40,735 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:40,736 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:40,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:40,736 INFO L82 PathProgramCache]: Analyzing trace with hash 252651701, now seen corresponding path program 1 times [2018-10-26 20:13:40,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:40,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:40,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:40,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:40,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:41,179 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 20:13:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 20:13:41,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:13:41,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:13:41,191 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:13:41,191 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:13:41,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:13:41,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:13:41,192 INFO L87 Difference]: Start difference. First operand 815 states and 977 transitions. Second operand 4 states. [2018-10-26 20:13:42,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:13:42,862 INFO L93 Difference]: Finished difference Result 2583 states and 3246 transitions. [2018-10-26 20:13:42,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:13:42,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-10-26 20:13:42,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:13:42,874 INFO L225 Difference]: With dead ends: 2583 [2018-10-26 20:13:42,874 INFO L226 Difference]: Without dead ends: 1792 [2018-10-26 20:13:42,879 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:13:42,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2018-10-26 20:13:42,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1761. [2018-10-26 20:13:42,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2018-10-26 20:13:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2165 transitions. [2018-10-26 20:13:43,011 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2165 transitions. Word has length 99 [2018-10-26 20:13:43,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:13:43,011 INFO L481 AbstractCegarLoop]: Abstraction has 1761 states and 2165 transitions. [2018-10-26 20:13:43,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:13:43,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2165 transitions. [2018-10-26 20:13:43,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-26 20:13:43,017 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:13:43,018 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:13:43,018 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:13:43,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:43,018 INFO L82 PathProgramCache]: Analyzing trace with hash 651142543, now seen corresponding path program 1 times [2018-10-26 20:13:43,019 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:13:43,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:43,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:13:43,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:13:43,020 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:13:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:13:44,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 20:13:44,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 20:13:44,347 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 20:13:44,348 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-10-26 20:13:44,351 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [43], [45], [46], [49], [53], [54], [55], [70], [73], [75], [79], [85], [89], [93], [96], [101], [104], [109], [112], [128], [129], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [170], [174], [218], [219], [222], [224], [227], [237], [240], [244], [245], [248], [250], [253], [255], [258], [267], [268], [269], [270], [271], [272], [273], [274], [275], [281], [283], [284], [291], [292], [293], [294], [295], [296], [299], [303], [304], [305], [306], [307], [308], [311], [312], [313], [319], [320], [321], [323], [324], [325], [326], [331], [332], [333], [334], [335] [2018-10-26 20:13:44,423 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 20:13:44,424 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 20:13:53,838 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 20:13:53,839 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 20:13:53,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:13:53,853 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 20:14:02,420 INFO L227 lantSequenceWeakener]: Weakened 76 states. On average, predicates are now at 97.16% of their original sizes. [2018-10-26 20:14:02,421 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 20:14:04,073 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-10-26 20:14:04,073 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 20:14:04,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 20:14:04,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [13] total 38 [2018-10-26 20:14:04,075 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:14:04,076 INFO L460 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-10-26 20:14:04,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-10-26 20:14:04,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2018-10-26 20:14:04,077 INFO L87 Difference]: Start difference. First operand 1761 states and 2165 transitions. Second operand 27 states. [2018-10-26 20:14:42,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:14:42,135 INFO L93 Difference]: Finished difference Result 3827 states and 4771 transitions. [2018-10-26 20:14:42,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-10-26 20:14:42,135 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 103 [2018-10-26 20:14:42,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:14:42,143 INFO L225 Difference]: With dead ends: 3827 [2018-10-26 20:14:42,143 INFO L226 Difference]: Without dead ends: 2090 [2018-10-26 20:14:42,149 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 129 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=285, Invalid=2577, Unknown=0, NotChecked=0, Total=2862 [2018-10-26 20:14:42,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2090 states. [2018-10-26 20:14:42,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2090 to 2056. [2018-10-26 20:14:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2056 states. [2018-10-26 20:14:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2056 states to 2056 states and 2442 transitions. [2018-10-26 20:14:42,290 INFO L78 Accepts]: Start accepts. Automaton has 2056 states and 2442 transitions. Word has length 103 [2018-10-26 20:14:42,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:14:42,290 INFO L481 AbstractCegarLoop]: Abstraction has 2056 states and 2442 transitions. [2018-10-26 20:14:42,291 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-10-26 20:14:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 2056 states and 2442 transitions. [2018-10-26 20:14:42,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 20:14:42,299 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:14:42,299 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:14:42,299 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:14:42,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:14:42,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1487409694, now seen corresponding path program 1 times [2018-10-26 20:14:42,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:14:42,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:14:42,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:14:42,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:14:42,303 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:14:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:14:42,750 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 20:14:42,751 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 20:14:42,751 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 20:14:42,751 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-10-26 20:14:42,751 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [43], [45], [46], [49], [53], [54], [55], [58], [60], [66], [70], [73], [74], [75], [79], [85], [89], [93], [96], [99], [101], [104], [107], [109], [112], [128], [129], [130], [131], [132], [133], [134], [136], [141], [144], [145], [147], [152], [154], [155], [160], [162], [163], [164], [167], [170], [174], [180], [210], [214], [218], [219], [222], [224], [227], [234], [237], [240], [244], [245], [248], [250], [253], [255], [258], [264], [266], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [280], [281], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [299], [300], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [319], [320], [321], [323], [324], [325], [326], [329], [330], [331], [332], [333], [334], [335] [2018-10-26 20:14:42,756 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 20:14:42,756 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 20:16:22,125 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 20:16:22,125 INFO L272 AbstractInterpreter]: Visited 115 different actions 1117 times. Merged at 19 different actions 84 times. Never widened. Found 15 fixpoints after 3 different actions. Largest state had 132 variables. [2018-10-26 20:16:22,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:16:22,141 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 20:16:44,797 INFO L227 lantSequenceWeakener]: Weakened 135 states. On average, predicates are now at 96.67% of their original sizes. [2018-10-26 20:16:44,797 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 20:16:47,643 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-10-26 20:16:47,644 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 20:16:47,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 20:16:47,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [52] imperfect sequences [10] total 60 [2018-10-26 20:16:47,644 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:16:47,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-10-26 20:16:47,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-10-26 20:16:47,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=2385, Unknown=0, NotChecked=0, Total=2652 [2018-10-26 20:16:47,646 INFO L87 Difference]: Start difference. First operand 2056 states and 2442 transitions. Second operand 52 states. [2018-10-26 20:19:08,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:08,097 INFO L93 Difference]: Finished difference Result 5217 states and 6544 transitions. [2018-10-26 20:19:08,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-10-26 20:19:08,097 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 157 [2018-10-26 20:19:08,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:08,113 INFO L225 Difference]: With dead ends: 5217 [2018-10-26 20:19:08,113 INFO L226 Difference]: Without dead ends: 3561 [2018-10-26 20:19:08,124 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 252 GetRequests, 103 SyntacticMatches, 3 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6987 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=1603, Invalid=20153, Unknown=0, NotChecked=0, Total=21756 [2018-10-26 20:19:08,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2018-10-26 20:19:08,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 3227. [2018-10-26 20:19:08,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3227 states. [2018-10-26 20:19:08,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3227 states to 3227 states and 3817 transitions. [2018-10-26 20:19:08,474 INFO L78 Accepts]: Start accepts. Automaton has 3227 states and 3817 transitions. Word has length 157 [2018-10-26 20:19:08,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:08,478 INFO L481 AbstractCegarLoop]: Abstraction has 3227 states and 3817 transitions. [2018-10-26 20:19:08,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-10-26 20:19:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3817 transitions. [2018-10-26 20:19:08,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 20:19:08,485 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:19:08,485 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:19:08,486 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:19:08,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:19:08,486 INFO L82 PathProgramCache]: Analyzing trace with hash -1212650080, now seen corresponding path program 1 times [2018-10-26 20:19:08,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:19:08,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:08,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:19:08,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:08,490 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:19:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:19:08,749 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-26 20:19:08,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:19:08,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 20:19:08,750 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:19:08,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 20:19:08,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 20:19:08,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 20:19:08,751 INFO L87 Difference]: Start difference. First operand 3227 states and 3817 transitions. Second operand 9 states. [2018-10-26 20:19:09,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:09,304 INFO L93 Difference]: Finished difference Result 4902 states and 5841 transitions. [2018-10-26 20:19:09,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:19:09,305 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-10-26 20:19:09,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:09,316 INFO L225 Difference]: With dead ends: 4902 [2018-10-26 20:19:09,317 INFO L226 Difference]: Without dead ends: 2301 [2018-10-26 20:19:09,324 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 20:19:09,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2018-10-26 20:19:09,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2289. [2018-10-26 20:19:09,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2289 states. [2018-10-26 20:19:09,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 2289 states and 2660 transitions. [2018-10-26 20:19:09,601 INFO L78 Accepts]: Start accepts. Automaton has 2289 states and 2660 transitions. Word has length 157 [2018-10-26 20:19:09,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:09,602 INFO L481 AbstractCegarLoop]: Abstraction has 2289 states and 2660 transitions. [2018-10-26 20:19:09,602 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 20:19:09,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2289 states and 2660 transitions. [2018-10-26 20:19:09,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 20:19:09,610 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:19:09,610 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:19:09,610 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:19:09,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:19:09,610 INFO L82 PathProgramCache]: Analyzing trace with hash -125978800, now seen corresponding path program 1 times [2018-10-26 20:19:09,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:19:09,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:09,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:19:09,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:19:09,613 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:19:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:19:09,794 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-10-26 20:19:09,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:19:09,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 20:19:09,794 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:19:09,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 20:19:09,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 20:19:09,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:19:09,795 INFO L87 Difference]: Start difference. First operand 2289 states and 2660 transitions. Second operand 4 states. [2018-10-26 20:19:10,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:19:10,418 INFO L93 Difference]: Finished difference Result 2744 states and 3210 transitions. [2018-10-26 20:19:10,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 20:19:10,418 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 167 [2018-10-26 20:19:10,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:19:10,419 INFO L225 Difference]: With dead ends: 2744 [2018-10-26 20:19:10,419 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:19:10,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 20:19:10,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:19:10,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:19:10,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:19:10,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:19:10,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2018-10-26 20:19:10,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:19:10,426 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:19:10,426 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 20:19:10,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:19:10,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:19:10,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:19:11,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:11,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:12,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:12,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:12,740 WARN L179 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 389 DAG size of output: 363 [2018-10-26 20:19:13,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:13,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:13,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:13,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:13,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:14,031 WARN L179 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 403 DAG size of output: 380 [2018-10-26 20:19:15,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:15,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:15,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:15,892 WARN L179 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 353 [2018-10-26 20:19:16,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,626 WARN L179 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 353 [2018-10-26 20:19:16,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:16,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:17,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:17,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:17,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 20:19:17,767 WARN L179 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 382 [2018-10-26 20:19:19,033 WARN L179 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 292 DAG size of output: 50 [2018-10-26 20:19:19,313 WARN L179 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 1 [2018-10-26 20:19:19,852 WARN L179 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 55 [2018-10-26 20:19:20,345 WARN L179 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 54 [2018-10-26 20:19:20,477 WARN L179 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-10-26 20:19:20,604 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-10-26 20:19:20,707 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2018-10-26 20:19:21,247 WARN L179 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 58 [2018-10-26 20:19:21,609 WARN L179 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 48 [2018-10-26 20:19:22,006 WARN L179 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 53 [2018-10-26 20:19:22,414 WARN L179 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 27 [2018-10-26 20:19:24,220 WARN L179 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 363 DAG size of output: 113 [2018-10-26 20:19:24,390 WARN L179 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2018-10-26 20:19:25,489 WARN L179 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 305 DAG size of output: 85 [2018-10-26 20:19:26,182 WARN L179 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2018-10-26 20:19:28,156 WARN L179 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 447 DAG size of output: 87 [2018-10-26 20:19:28,513 WARN L179 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 27 [2018-10-26 20:19:29,894 WARN L179 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 465 DAG size of output: 59 [2018-10-26 20:19:31,600 WARN L179 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 342 DAG size of output: 111 [2018-10-26 20:19:32,244 WARN L179 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 54 [2018-10-26 20:19:33,416 WARN L179 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 292 DAG size of output: 93 [2018-10-26 20:19:34,120 WARN L179 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 56 [2018-10-26 20:19:34,261 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2018-10-26 20:19:34,846 WARN L179 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2018-10-26 20:19:35,804 WARN L179 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 69 [2018-10-26 20:19:36,611 WARN L179 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 49 [2018-10-26 20:19:36,941 WARN L179 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 44 [2018-10-26 20:19:37,103 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2018-10-26 20:19:37,457 WARN L179 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2018-10-26 20:19:37,852 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 30 [2018-10-26 20:19:38,079 WARN L179 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 1 [2018-10-26 20:19:38,426 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 1 [2018-10-26 20:19:39,057 WARN L179 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 80 [2018-10-26 20:19:39,386 WARN L179 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 34 [2018-10-26 20:19:39,652 WARN L179 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 1 [2018-10-26 20:19:40,854 WARN L179 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 343 DAG size of output: 96 [2018-10-26 20:19:42,520 WARN L179 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 438 DAG size of output: 83 [2018-10-26 20:19:42,864 WARN L179 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 43 [2018-10-26 20:19:43,215 WARN L179 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 26 [2018-10-26 20:19:44,732 WARN L179 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 438 DAG size of output: 67 [2018-10-26 20:19:44,865 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2018-10-26 20:19:45,123 WARN L179 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2018-10-26 20:19:46,910 WARN L179 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 393 DAG size of output: 75 [2018-10-26 20:19:47,020 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2018-10-26 20:19:47,307 WARN L179 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2018-10-26 20:19:49,564 WARN L179 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 467 DAG size of output: 77 [2018-10-26 20:19:49,567 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 878 884) the Hoare annotation is: true [2018-10-26 20:19:49,567 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 878 884) no Hoare annotation was computed. [2018-10-26 20:19:49,567 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 885 893) no Hoare annotation was computed. [2018-10-26 20:19:49,567 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 885 893) the Hoare annotation is: true [2018-10-26 20:19:49,567 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 885 893) no Hoare annotation was computed. [2018-10-26 20:19:49,567 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 967 989) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,567 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 967 989) no Hoare annotation was computed. [2018-10-26 20:19:49,567 INFO L421 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,568 INFO L421 ceAbstractionStarter]: At program point L979-1(line 979) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,568 INFO L425 ceAbstractionStarter]: For program point L977(lines 977 984) no Hoare annotation was computed. [2018-10-26 20:19:49,568 INFO L425 ceAbstractionStarter]: For program point L977-1(lines 977 984) no Hoare annotation was computed. [2018-10-26 20:19:49,568 INFO L425 ceAbstractionStarter]: For program point L975(line 975) no Hoare annotation was computed. [2018-10-26 20:19:49,568 INFO L421 ceAbstractionStarter]: At program point L974(line 974) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,568 INFO L421 ceAbstractionStarter]: At program point L973(line 973) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,568 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 967 989) no Hoare annotation was computed. [2018-10-26 20:19:49,568 INFO L421 ceAbstractionStarter]: At program point L973-1(line 973) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,569 INFO L421 ceAbstractionStarter]: At program point L481(line 481) the Hoare annotation is: (let ((.cse2 (* 2 ~methaneLevelCritical~0))) (let ((.cse0 (not (= |old(~systemActive~0)| 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 .cse2)) (.cse7 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (.cse4 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 2 (+ |old(~pumpRunning~0)| |old(~systemActive~0)|))) (.cse6 (< 3 (+ ~waterLevel~0 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 (< .cse2 2) .cse3) (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4 (<= ~methaneLevelCritical~0 ~systemActive~0)) (= ~waterLevel~0 1) (not (= ~methaneLevelCritical~0 1)) (< (* 2 |old(~systemActive~0)|) 2) (< ~waterLevel~0 |old(~systemActive~0)|) .cse5 .cse6 .cse7) (or .cse0 (or .cse1 .cse8)) (or .cse1 (or (< .cse2 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 1) .cse3 .cse7)) (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) .cse4 (= ~pumpRunning~0 1)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1) .cse8 .cse5 .cse6 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-10-26 20:19:49,569 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 475 489) no Hoare annotation was computed. [2018-10-26 20:19:49,569 INFO L425 ceAbstractionStarter]: For program point L479(lines 479 485) no Hoare annotation was computed. [2018-10-26 20:19:49,569 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 475 489) the Hoare annotation is: (let ((.cse3 (* 2 ~methaneLevelCritical~0)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse7 (= ~systemActive~0 0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and .cse7 .cse8)) (.cse0 (not .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 .cse3)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< 2 (+ |old(~pumpRunning~0)| |old(~systemActive~0)|))) (.cse10 (< 3 (+ ~waterLevel~0 |old(~systemActive~0)|)))) (and (or .cse0 .cse1 .cse2 (< .cse3 2) .cse4) (or .cse1 .cse0 (or .cse2 .cse5)) (or (or .cse2 (or (< .cse3 0) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 1) .cse4 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))) .cse6 (and (not .cse7) .cse8)) (or (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1) .cse5 .cse9 .cse10 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (and .cse8 (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= ~methaneLevelCritical~0 ~systemActive~0)) (= ~waterLevel~0 1) (< (* 2 |old(~systemActive~0)|) 2) (< ~waterLevel~0 |old(~systemActive~0)|) .cse9 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) .cse10)))) [2018-10-26 20:19:49,569 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 475 489) no Hoare annotation was computed. [2018-10-26 20:19:49,569 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 392 400) no Hoare annotation was computed. [2018-10-26 20:19:49,569 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 392 400) the Hoare annotation is: true [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 392 400) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L428 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 871 877) no Hoare annotation was computed. [2018-10-26 20:19:49,570 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 871 877) the Hoare annotation is: true [2018-10-26 20:19:49,570 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 957 966) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,570 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 957 966) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 957 966) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 381 391) the Hoare annotation is: true [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 381 391) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 381 391) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L428 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-10-26 20:19:49,571 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 373 380) the Hoare annotation is: (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (* 2 ~systemActive~0) 2) (< ~waterLevel~0 ~systemActive~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) (< 3 (+ ~systemActive~0 ~waterLevel~0))) [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 373 380) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 373 380) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 127 140) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 137) no Hoare annotation was computed. [2018-10-26 20:19:49,571 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 127 140) the Hoare annotation is: true [2018-10-26 20:19:49,571 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 127 140) no Hoare annotation was computed. [2018-10-26 20:19:49,572 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 322 346) no Hoare annotation was computed. [2018-10-26 20:19:49,572 INFO L421 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 ~systemActive~0))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) .cse3) (or (= ~pumpRunning~0 0) (let ((.cse4 (+ |old(~pumpRunning~0)| 1))) (or .cse3 (< ~systemActive~0 .cse4) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse4 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))))) [2018-10-26 20:19:49,572 INFO L425 ceAbstractionStarter]: For program point L341-1(lines 322 346) no Hoare annotation was computed. [2018-10-26 20:19:49,572 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 322 346) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse0 (< ~waterLevel~0 ~systemActive~0))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3) (or (= ~pumpRunning~0 0) (let ((.cse4 (+ |old(~pumpRunning~0)| 1))) (or .cse3 (< ~systemActive~0 .cse4) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse4 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))))) [2018-10-26 20:19:49,572 INFO L421 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse6 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse3 (< .cse6 1)) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) (not (= ~systemActive~0 1))) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse3 .cse4 .cse5) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse6 0) (not (= ~methaneLevelCritical~0 0)) .cse4 .cse5)))) [2018-10-26 20:19:49,573 INFO L421 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse6 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse3 (< .cse6 1)) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (let ((.cse1 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse2))) (and (= processEnvironment_~tmp~3 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1))) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse3 .cse4 .cse5) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse6 0) (not (= ~methaneLevelCritical~0 0)) .cse4 .cse5)))) [2018-10-26 20:19:49,573 INFO L425 ceAbstractionStarter]: For program point L330(lines 330 338) no Hoare annotation was computed. [2018-10-26 20:19:49,573 INFO L421 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse4 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (< .cse4 1))) (and (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 .cse1 .cse2 .cse3) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse4 0) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or (let ((.cse5 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 .cse5 .cse6 .cse1 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse6))) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)))))) [2018-10-26 20:19:49,573 INFO L425 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-10-26 20:19:49,573 INFO L425 ceAbstractionStarter]: For program point L326(lines 326 343) no Hoare annotation was computed. [2018-10-26 20:19:49,573 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 288 294) no Hoare annotation was computed. [2018-10-26 20:19:49,573 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 288 294) the Hoare annotation is: true [2018-10-26 20:19:49,573 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 191 256) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,574 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse18 (+ ~pumpRunning~0 1))) (let ((.cse11 (+ ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (* 2 ~methaneLevelCritical~0)) (.cse12 (<= .cse18 ~waterLevel~0)) (.cse6 (= ~systemActive~0 1)) (.cse17 (+ ~systemActive~0 2147483646))) (let ((.cse8 (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647))) (.cse5 (= ~pumpRunning~0 0)) (.cse9 (and .cse12 (<= ~waterLevel~0 .cse18) .cse6 (<= 0 (* 2 test_~splverifierCounter~0)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= 0 (+ ~systemActive~0 test_~tmp~1 2147483647)) (<= test_~tmp~1 .cse17))) (.cse10 (<= ~methaneLevelCritical~0 (+ test_~tmp___0~1 2147483648))) (.cse4 (let ((.cse13 (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0))) (.cse14 (<= .cse3 2)) (.cse15 (<= test_~tmp___2~0 .cse17)) (.cse16 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)))) (or (and .cse12 .cse13 (<= ~waterLevel~0 .cse11) (<= ~systemActive~0 ~methaneLevelCritical~0) .cse14 .cse15 .cse16 .cse2) (and .cse12 (<= ~systemActive~0 ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) .cse13 .cse14 .cse15 .cse16 .cse2)))) (.cse7 (<= .cse3 0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (<= 2 .cse3) .cse4 .cse5) (and (= ~waterLevel~0 2) .cse6 .cse7 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) .cse8 (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse5 .cse2) (and .cse9 .cse10 .cse8 (<= .cse11 ~waterLevel~0) .cse5) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse9 .cse10 .cse4 (<= (+ ~methaneLevelCritical~0 test_~tmp___0~1) 2147483647) .cse7) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-10-26 20:19:49,574 INFO L425 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-10-26 20:19:49,574 INFO L425 ceAbstractionStarter]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2018-10-26 20:19:49,574 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 191 256) no Hoare annotation was computed. [2018-10-26 20:19:49,574 INFO L421 ceAbstractionStarter]: At program point L246(lines 201 248) the Hoare annotation is: (let ((.cse5 (<= (+ ~pumpRunning~0 1) ~waterLevel~0)) (.cse6 (<= ~systemActive~0 ~waterLevel~0)) (.cse7 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse3 (and .cse5 .cse6 .cse7 (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= (* 2 ~methaneLevelCritical~0) 2) (<= 0 (* 2 ~pumpRunning~0)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse2)) (.cse4 (and .cse5 (<= ~pumpRunning~0 ~systemActive~0) .cse6 (= ~methaneLevelCritical~0 0) (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) .cse7 .cse2)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse3 (<= ~systemActive~0 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and .cse4 (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse4) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 20:19:49,575 INFO L421 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse9 (+ ~systemActive~0 2147483646))) (let ((.cse3 (+ ~pumpRunning~0 1)) (.cse6 (<= 0 (+ ~systemActive~0 test_~tmp~1 2147483647))) (.cse7 (<= test_~tmp~1 .cse9)) (.cse5 (+ ~methaneLevelCritical~0 1)) (.cse4 (<= test_~tmp___2~0 .cse9)) (.cse8 (= ~pumpRunning~0 0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (and (= 0 ~methaneLevelCritical~0) .cse1 .cse2)) (and (and (and (<= .cse3 ~waterLevel~0) (<= ~methaneLevelCritical~0 ~systemActive~0) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse4) (= ~pumpRunning~0 1) (and (<= ~systemActive~0 .cse5) (= ~methaneLevelCritical~0 0) (<= ~waterLevel~0 (+ ~methaneLevelCritical~0 2)) .cse6 .cse7) .cse2) (not .cse0)) (and (and (<= ~waterLevel~0 .cse3) (= ~systemActive~0 1) .cse6 .cse7) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= .cse5 ~waterLevel~0) .cse8 .cse2) (and (and (<= ~systemActive~0 ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= (* 2 ~methaneLevelCritical~0) 2) .cse4 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648))) (<= ~systemActive~0 ~methaneLevelCritical~0) .cse8 .cse2) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 20:19:49,575 INFO L425 ceAbstractionStarter]: For program point L211(lines 211 217) no Hoare annotation was computed. [2018-10-26 20:19:49,575 INFO L425 ceAbstractionStarter]: For program point L211-1(lines 211 217) no Hoare annotation was computed. [2018-10-26 20:19:49,575 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-10-26 20:19:49,575 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 201 248) no Hoare annotation was computed. [2018-10-26 20:19:49,575 INFO L421 ceAbstractionStarter]: At program point L249(lines 200 250) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 20:19:49,576 INFO L421 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse7 (+ ~pumpRunning~0 1))) (let ((.cse5 (<= 0 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (.cse6 (<= ~methaneLevelCritical~0 .cse7)) (.cse0 (+ ~systemActive~0 2147483646)) (.cse4 (= test_~splverifierCounter~0 0))) (let ((.cse1 (and (<= .cse7 ~waterLevel~0) .cse5 (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= (* 2 ~methaneLevelCritical~0) 2) .cse6 (<= test_~tmp___2~0 .cse0) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse4)) (.cse2 (= ~systemActive~0 0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and (and (<= 0 (+ ~systemActive~0 test_~tmp~1 2147483647)) (<= test_~tmp~1 .cse0)) .cse1 (<= ~methaneLevelCritical~0 (+ test_~tmp___0~1 2147483648)) (<= (+ ~methaneLevelCritical~0 test_~tmp___0~1) 2147483647)) (and .cse1 (<= 2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and .cse2 (and (= 0 ~methaneLevelCritical~0) .cse3 .cse4)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse3 (and (<= 2 (* 2 ~waterLevel~0)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse5 .cse6) .cse4) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse4) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-10-26 20:19:49,576 INFO L421 ceAbstractionStarter]: At program point L237-1(lines 231 244) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (and (and (<= (+ ~pumpRunning~0 1) ~waterLevel~0) (= ~systemActive~0 1) (<= ~waterLevel~0 (+ ~pumpRunning~0 2)) (<= ~waterLevel~0 (+ test_~tmp___2~0 2147483650)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 3) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (* 2 ~methaneLevelCritical~0) 2) (<= 0 (* 2 ~pumpRunning~0)) (<= 0 (+ ~pumpRunning~0 test_~tmp___2~0 2147483648)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) .cse2) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point L202(lines 201 248) no Hoare annotation was computed. [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 244) no Hoare annotation was computed. [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 191 256) no Hoare annotation was computed. [2018-10-26 20:19:49,576 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 347 354) the Hoare annotation is: (or (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 347 354) no Hoare annotation was computed. [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 347 354) no Hoare annotation was computed. [2018-10-26 20:19:49,576 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 141 149) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 141 149) the Hoare annotation is: true [2018-10-26 20:19:49,577 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 141 149) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 20:19:49,577 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (+ ~systemActive~0 ~waterLevel~0))) (and (or (and (<= activatePump_~tmp~4 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (<= ~methaneLevelCritical~0 activatePump_~tmp~4)) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< 3 .cse0) (< 0 (* 2 |old(~pumpRunning~0)|))) (not (= ~methaneLevelCritical~0 0)))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< .cse0 3) (< (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 20:19:49,577 INFO L425 ceAbstractionStarter]: For program point L367-1(lines 356 372) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 356 372) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-10-26 20:19:49,577 INFO L421 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) [2018-10-26 20:19:49,577 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 356 372) the Hoare annotation is: (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (< ~systemActive~0 (+ |old(~pumpRunning~0)| 1)) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 437 455) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point L446(lines 446 450) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L428 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: true [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point L446-2(lines 446 450) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 437 455) the Hoare annotation is: true [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 437 455) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 74 85) no Hoare annotation was computed. [2018-10-26 20:19:49,578 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 74 85) the Hoare annotation is: (let ((.cse4 (< 0 (* 2 ~pumpRunning~0))) (.cse5 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse7 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse3 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse8 (* 2 ~methaneLevelCritical~0)) (.cse10 (+ |old(~methaneLevelCritical~0)| 1)) (.cse9 (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2))) (and (or .cse0 .cse1 (= 0 ~methaneLevelCritical~0) .cse2) (or .cse3 (< ~waterLevel~0 ~systemActive~0) (< (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|) 0) .cse2 (not (= ~waterLevel~0 1)) .cse4 (and .cse5 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0))) (or (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse3 .cse6 .cse4) .cse2 (and .cse5 (<= .cse7 0))) (or (and (<= .cse8 0) (<= 1 .cse7)) .cse9 .cse3 .cse2 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse6 (< ~pumpRunning~0 .cse10)) (let ((.cse11 (* 2 |old(~methaneLevelCritical~0)|))) (or .cse0 .cse1 (< .cse11 2) (= ~methaneLevelCritical~0 1) (< 2 .cse11))) (or (and (<= 2 .cse8) (<= ~methaneLevelCritical~0 ~systemActive~0)) (let ((.cse12 (+ ~pumpRunning~0 1))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse12) (< .cse10 ~waterLevel~0) (< ~systemActive~0 |old(~methaneLevelCritical~0)|) .cse9 (< .cse12 ~systemActive~0)))))) [2018-10-26 20:19:49,578 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 74 85) no Hoare annotation was computed. [2018-10-26 20:19:49,579 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 86 94) the Hoare annotation is: true [2018-10-26 20:19:49,579 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 86 94) no Hoare annotation was computed. [2018-10-26 20:19:49,579 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 86 94) no Hoare annotation was computed. [2018-10-26 20:19:49,579 INFO L421 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (let ((.cse15 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse14 (+ |old(~pumpRunning~0)| 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~systemActive~0 0))) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse5 (+ ~methaneLevelCritical~0 1)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (< ~systemActive~0 .cse14)) (.cse13 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse4 (< 3 .cse17)) (.cse16 (not (= ~systemActive~0 1))) (.cse6 (<= 2 .cse15)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or (< .cse0 2) .cse1 .cse2 .cse3 .cse4 (< |old(~pumpRunning~0)| .cse5)) (and (and (<= ~waterLevel~0 ~systemActive~0) .cse6) .cse7)) (or .cse8 .cse9 .cse2) (or (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse1 .cse4 (< 0 (* 2 |old(~pumpRunning~0)|))) .cse2) .cse6) (let ((.cse10 (* 2 ~methaneLevelCritical~0))) (or .cse8 .cse9 (< .cse10 2) (< 2 .cse10))) (or (not (= |old(~waterLevel~0)| 1)) (and (= 1 ~waterLevel~0) .cse11) .cse12 .cse13 (< .cse14 ~systemActive~0) .cse1 (< |old(~waterLevel~0)| ~systemActive~0)) (or (and (<= .cse15 2) (<= .cse5 ~waterLevel~0) .cse11) (or .cse16 .cse12 (< .cse17 3) .cse13 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))) (or (or (or (< .cse0 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) .cse16) (and (and (<= ~waterLevel~0 ~methaneLevelCritical~0) .cse6) .cse7))))) [2018-10-26 20:19:49,579 INFO L421 ceAbstractionStarter]: At program point L275(lines 275 281) the Hoare annotation is: (let ((.cse25 (* 2 ~methaneLevelCritical~0)) (.cse13 (= |old(~waterLevel~0)| 1)) (.cse24 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse21 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse11 (+ ~methaneLevelCritical~0 1)) (.cse19 (+ |old(~pumpRunning~0)| 1))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse17 (< ~systemActive~0 .cse19)) (.cse18 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse5 (<= .cse11 ~waterLevel~0)) (.cse7 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse9 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse10 (< 3 .cse21)) (.cse20 (not (= ~systemActive~0 1))) (.cse16 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse6 (= ~pumpRunning~0 0)) (.cse23 (<= .cse24 2)) (.cse15 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse22 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (.cse14 (not (= ~waterLevel~0 1))) (.cse12 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not .cse13)) (.cse27 (< .cse25 2)) (.cse26 (< 2 .cse25))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (<= ~waterLevel~0 ~systemActive~0) .cse5 .cse6) (or (< .cse7 2) .cse8 .cse4 .cse9 .cse10 (< |old(~pumpRunning~0)| .cse11))) (or .cse0 .cse1 .cse12 .cse4) (or .cse13 .cse0 .cse14 .cse1 .cse4) (or (< .cse15 2) .cse8 (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse16 (= ~pumpRunning~0 1)) .cse4 .cse10 (< 0 (* 2 |old(~pumpRunning~0)|))) (or .cse3 (and .cse2 .cse6) .cse17 .cse18 (< .cse19 ~systemActive~0) .cse8 (< |old(~waterLevel~0)| ~systemActive~0)) (or (or .cse20 .cse17 (< .cse21 3) (< .cse11 |old(~waterLevel~0)|) .cse18 .cse22) (and .cse23 .cse5 .cse6)) (or (or (or (< .cse7 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse9 .cse10) .cse20) (and (<= 1 .cse24) .cse16 .cse6)) (or .cse0 (and (<= 2 (* 2 ~waterLevel~0)) .cse23) .cse1 (or (< .cse25 0) (< .cse15 1) .cse26 .cse22)) (or .cse13 .cse0 .cse1 .cse14 .cse27 .cse26) (or .cse0 .cse1 .cse27 .cse12 .cse26) (or .cse0 .cse2 .cse1 .cse3 .cse27 .cse26)))) [2018-10-26 20:19:49,580 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 264 287) the Hoare annotation is: (let ((.cse25 (* 2 ~methaneLevelCritical~0)) (.cse14 (= |old(~waterLevel~0)| 1)) (.cse12 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse19 (+ |old(~pumpRunning~0)| 1)) (.cse9 (+ ~methaneLevelCritical~0 1)) (.cse23 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse10 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse8 (< 3 .cse23)) (.cse20 (<= .cse9 ~waterLevel~0)) (.cse16 (= ~pumpRunning~0 0)) (.cse21 (not (= ~systemActive~0 1))) (.cse17 (< ~systemActive~0 .cse19)) (.cse18 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse22 (<= .cse12 2)) (.cse11 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (.cse24 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (.cse15 (not (= ~waterLevel~0 1))) (.cse13 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse3 (not .cse14)) (.cse27 (< .cse25 2)) (.cse26 (< 2 .cse25))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or (< .cse5 2) .cse6 .cse4 .cse7 .cse8 (< |old(~pumpRunning~0)| .cse9)) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse10 (= ~pumpRunning~0 1))) (or (or (or (< .cse11 2) .cse6 .cse8 (< 0 (* 2 |old(~pumpRunning~0)|))) .cse4) (<= 2 .cse12)) (or .cse0 .cse1 .cse13 .cse4) (or .cse14 .cse0 .cse15 .cse1 .cse4) (or .cse3 (and .cse2 .cse16) .cse17 .cse18 (< .cse19 ~systemActive~0) .cse6 (< |old(~waterLevel~0)| ~systemActive~0)) (or (and (and .cse20 .cse10) .cse13) (or (or (< .cse5 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse7 .cse8) .cse21)) (or (and .cse22 .cse20 .cse16) (or .cse21 .cse17 (< .cse23 3) .cse18 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) .cse24)) (or .cse0 (and (<= 2 (* 2 ~waterLevel~0)) .cse22) .cse1 (or (< .cse25 0) (< .cse11 1) .cse26 .cse24)) (or .cse14 .cse0 .cse1 .cse15 .cse27 .cse26) (or .cse0 .cse1 .cse27 .cse13 .cse26) (or .cse0 .cse2 .cse1 .cse3 .cse27 .cse26)))) [2018-10-26 20:19:49,580 INFO L421 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse8 (+ ~methaneLevelCritical~0 1)) (.cse9 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse3 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse10 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse11 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2) (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse3 .cse2 .cse4 .cse5) (or (or (< .cse6 2) .cse3 .cse2 .cse7 .cse4 (< |old(~pumpRunning~0)| .cse8)) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse9 (= ~pumpRunning~0 1))) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse10 (< .cse11 1) .cse4 .cse5) (let ((.cse12 (* 2 ~methaneLevelCritical~0))) (or .cse0 .cse1 (< .cse12 2) (< 2 .cse12))) (or (or (or (< .cse6 3) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse7 .cse4) (not (= ~systemActive~0 1))) (and (<= ~pumpRunning~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 ~pumpRunning~0) (<= .cse8 ~waterLevel~0) .cse9)) (or .cse3 .cse10 (< .cse11 0) .cse2 (not (= |old(~waterLevel~0)| 1)) .cse5))) [2018-10-26 20:19:49,580 INFO L425 ceAbstractionStarter]: For program point L268(lines 267 286) no Hoare annotation was computed. [2018-10-26 20:19:49,580 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 264 287) no Hoare annotation was computed. [2018-10-26 20:19:49,580 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 264 287) no Hoare annotation was computed. [2018-10-26 20:19:49,580 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 896 925) no Hoare annotation was computed. [2018-10-26 20:19:49,581 INFO L428 ceAbstractionStarter]: At program point L921(lines 896 925) the Hoare annotation is: true [2018-10-26 20:19:49,581 INFO L425 ceAbstractionStarter]: For program point L917(line 917) no Hoare annotation was computed. [2018-10-26 20:19:49,581 INFO L425 ceAbstractionStarter]: For program point L907(line 907) no Hoare annotation was computed. [2018-10-26 20:19:49,581 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 896 925) the Hoare annotation is: true [2018-10-26 20:19:49,581 INFO L425 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-10-26 20:19:49,581 INFO L428 ceAbstractionStarter]: At program point L910-1(lines 910 914) the Hoare annotation is: true [2018-10-26 20:19:49,581 INFO L425 ceAbstractionStarter]: For program point L906-1(lines 906 920) no Hoare annotation was computed. [2018-10-26 20:19:49,581 INFO L428 ceAbstractionStarter]: At program point L906-3(lines 906 920) the Hoare annotation is: true [2018-10-26 20:19:49,581 INFO L428 ceAbstractionStarter]: At program point L902(line 902) the Hoare annotation is: true [2018-10-26 20:19:49,581 INFO L425 ceAbstractionStarter]: For program point L902-1(line 902) no Hoare annotation was computed. [2018-10-26 20:19:49,581 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 50 61) the Hoare annotation is: (let ((.cse1 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse3 (+ ~methaneLevelCritical~0 1)) (.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3))) (and (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0) (< .cse1 2) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< ~pumpRunning~0 .cse3)) (or (or (or (< .cse1 3) (< ~pumpRunning~0 ~methaneLevelCritical~0) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse2) (not (= ~systemActive~0 1))) (and (<= .cse3 ~waterLevel~0) .cse0)))) [2018-10-26 20:19:49,582 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 50 61) no Hoare annotation was computed. [2018-10-26 20:19:49,582 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 50 61) no Hoare annotation was computed. [2018-10-26 20:19:49,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:19:49,582 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-26 20:19:49,582 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:19:49,582 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:19:49,582 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 950 956) no Hoare annotation was computed. [2018-10-26 20:19:49,582 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 950 956) the Hoare annotation is: true [2018-10-26 20:19:49,582 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 296 320) the Hoare annotation is: (or (= ~pumpRunning~0 0) (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 20:19:49,582 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 296 320) no Hoare annotation was computed. [2018-10-26 20:19:49,583 INFO L421 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 ~systemActive~0)) (.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse0 (< .cse1 1) .cse2 .cse3) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< .cse1 0) (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3))) [2018-10-26 20:19:49,583 INFO L425 ceAbstractionStarter]: For program point L315-1(lines 296 320) no Hoare annotation was computed. [2018-10-26 20:19:49,583 INFO L421 ceAbstractionStarter]: At program point L310(line 310) the Hoare annotation is: (let ((.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~pumpRunning~0 0))) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or .cse1 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) (< 3 (+ ~systemActive~0 ~waterLevel~0)) .cse4) (or .cse1 .cse0 .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 1)) .cse4))) [2018-10-26 20:19:49,583 INFO L421 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (and (or (and (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))) (= processEnvironment__wrappee__highWaterSensor_~tmp~2 1)) (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (let ((.cse1 (+ ~methaneLevelCritical~0 1))) (or (let ((.cse0 (* 2 processEnvironment__wrappee__highWaterSensor_~tmp~2))) (and (<= .cse0 2) (<= ~systemActive~0 ~methaneLevelCritical~0) (<= .cse1 ~waterLevel~0) (<= 2 .cse0) (= ~pumpRunning~0 0))) (let ((.cse2 (+ |old(~pumpRunning~0)| 1))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse2) (< .cse1 ~waterLevel~0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse2 ~systemActive~0) (< ~waterLevel~0 ~systemActive~0)))))) [2018-10-26 20:19:49,583 INFO L425 ceAbstractionStarter]: For program point L304(lines 304 312) no Hoare annotation was computed. [2018-10-26 20:19:49,583 INFO L421 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (= ~pumpRunning~0 0) (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-10-26 20:19:49,583 INFO L425 ceAbstractionStarter]: For program point L302-1(line 302) no Hoare annotation was computed. [2018-10-26 20:19:49,584 INFO L425 ceAbstractionStarter]: For program point L300(lines 300 317) no Hoare annotation was computed. [2018-10-26 20:19:49,584 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 62 73) no Hoare annotation was computed. [2018-10-26 20:19:49,584 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 62 73) no Hoare annotation was computed. [2018-10-26 20:19:49,584 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 62 73) the Hoare annotation is: (let ((.cse3 (+ ~methaneLevelCritical~0 1)) (.cse18 (+ ~pumpRunning~0 2)) (.cse19 (+ ~pumpRunning~0 1))) (let ((.cse6 (< ~systemActive~0 .cse19)) (.cse9 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse1 (* 2 ~pumpRunning~0)) (.cse13 (< .cse18 |old(~waterLevel~0)|)) (.cse16 (not (= ~methaneLevelCritical~0 0))) (.cse10 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse14 (<= ~waterLevel~0 .cse18)) (.cse15 (not (= 0 ~pumpRunning~0))) (.cse5 (= 1 ~waterLevel~0)) (.cse12 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse11 (< .cse3 |old(~waterLevel~0)|)) (.cse7 (< ~systemActive~0 ~methaneLevelCritical~0)) (.cse8 (< .cse19 ~systemActive~0)) (.cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (< .cse0 2) (< 2 .cse1) .cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|)) (< ~pumpRunning~0 .cse3)) (or .cse4 .cse5 .cse6 .cse7 .cse8 .cse2 .cse9) (or (<= .cse10 2) (not (= ~systemActive~0 1)) .cse6 .cse11 .cse7 .cse8 .cse9) (or (not (= ~methaneLevelCritical~0 1)) (< .cse0 3) .cse12 (< 0 .cse1) .cse13 (and .cse14 (<= 2 .cse10))) (or .cse15 .cse12 .cse5 .cse4 .cse16) (or .cse12 (or (< (+ ~pumpRunning~0 |old(~waterLevel~0)|) 1) .cse13) (or .cse15 .cse16) (and (<= 1 .cse10) .cse14)) (let ((.cse17 (* 2 ~methaneLevelCritical~0))) (or .cse15 .cse5 .cse12 .cse4 (< .cse17 2) (< 2 .cse17))) (or (< |old(~waterLevel~0)| .cse18) .cse11 (< 4 (* 2 |old(~waterLevel~0)|)) .cse7 (<= .cse3 ~waterLevel~0) .cse8 .cse2)))) [2018-10-26 20:19:49,584 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 179 186) no Hoare annotation was computed. [2018-10-26 20:19:49,584 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 183) no Hoare annotation was computed. [2018-10-26 20:19:49,584 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 179 186) the Hoare annotation is: true [2018-10-26 20:19:49,585 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 179 186) no Hoare annotation was computed. [2018-10-26 20:19:49,585 INFO L425 ceAbstractionStarter]: For program point L161(lines 161 174) no Hoare annotation was computed. [2018-10-26 20:19:49,585 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 153 177) no Hoare annotation was computed. [2018-10-26 20:19:49,585 INFO L428 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: true [2018-10-26 20:19:49,585 INFO L425 ceAbstractionStarter]: For program point L159-1(line 159) no Hoare annotation was computed. [2018-10-26 20:19:49,585 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 153 177) the Hoare annotation is: true [2018-10-26 20:19:49,585 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 153 177) no Hoare annotation was computed. [2018-10-26 20:19:49,585 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse4 (< 0 (* 2 ~pumpRunning~0))) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< .cse2 1) .cse3 .cse4) (or .cse0 .cse1 (< .cse2 0) .cse5 (not (= ~waterLevel~0 1)) .cse4) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse5 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse3 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or .cse6 .cse7 .cse5) (let ((.cse8 (* 2 ~methaneLevelCritical~0))) (or .cse6 .cse7 (< .cse8 2) (< 2 .cse8))))) [2018-10-26 20:19:49,585 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-10-26 20:19:49,586 INFO L421 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse1 (not (= ~waterLevel~0 1)) (< 0 (* 2 ~pumpRunning~0))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 0)) .cse1))) [2018-10-26 20:19:49,586 INFO L425 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-10-26 20:19:49,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:19:49 BoogieIcfgContainer [2018-10-26 20:19:49,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:19:49,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:19:49,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:19:49,625 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:19:49,625 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:13:34" (3/4) ... [2018-10-26 20:19:49,629 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:19:49,644 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 20:19:49,644 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 20:19:49,644 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:19:49,644 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 20:19:49,644 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:19:49,645 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 20:19:49,646 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 20:19:49,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 20:19:49,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 20:19:49,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 20:19:49,647 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 20:19:49,680 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 20:19:49,680 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 20:19:49,681 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 20:19:49,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || (((((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || 1 < \old(pumpRunning) + \old(waterLevel)) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && (((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || (((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 20:19:49,704 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 20:19:49,770 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ac8994e-ae21-4121-8b16-902a1d2520a4/bin-2019/utaipan/witness.graphml [2018-10-26 20:19:49,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:19:49,771 INFO L168 Benchmark]: Toolchain (without parser) took 377640.23 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 957.1 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,773 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:19:49,773 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.68 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 932.8 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,774 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,775 INFO L168 Benchmark]: Boogie Preprocessor took 59.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,775 INFO L168 Benchmark]: RCFGBuilder took 1444.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,775 INFO L168 Benchmark]: TraceAbstraction took 375226.37 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,776 INFO L168 Benchmark]: Witness Printer took 152.61 ms. Allocated memory is still 4.5 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 20:19:49,777 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.68 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 932.8 MB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 932.8 MB in the beginning and 1.1 GB in the end (delta: -190.8 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1444.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.3 MB). Peak memory consumption was 95.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 375226.37 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.4 GB). Free memory was 1.0 GB in the beginning and 3.1 GB in the end (delta: -2.1 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 152.61 ms. Allocated memory is still 4.5 GB. Free memory was 3.1 GB in the beginning and 3.1 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 183]: 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: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: (((((((((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && systemActive <= methaneLevelCritical) && pumpRunning == 0)) || (((((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || 1 < \old(pumpRunning) + \old(waterLevel)) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && pumpRunning == 1) && (((((pumpRunning + 1 <= waterLevel && pumpRunning <= systemActive) && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && systemActive + waterLevel <= 3) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || (((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 200]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 375.1s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 185.0s AutomataDifference, 0.0s DeadEndRemovalTime, 39.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 2702 SDtfs, 3415 SDslu, 14752 SDs, 0 SdLazy, 12110 SolverSat, 1226 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 471 GetRequests, 219 SyntacticMatches, 4 SemanticMatches, 248 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7689 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3227occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 108.8s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.993094272481572 AbsIntWeakeningRatio, 0.9651162790697675 AbsIntAvgWeakeningVarsNumRemoved, 6046.616279069767 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 547 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4893 PreInvPairs, 5043 NumberOfFragments, 5125 HoareAnnotationTreeSize, 4893 FomulaSimplifications, 68996 FormulaSimplificationTreeSizeReduction, 7.3s HoareSimplificationTime, 66 FomulaSimplificationsInter, 386827 FormulaSimplificationTreeSizeReductionInter, 31.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1135 ConstructedInterpolants, 0 QuantifiedInterpolants, 183553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 115/121 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...