./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/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 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:33:38,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:33:38,453 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:33:38,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:33:38,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:33:38,460 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:33:38,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:33:38,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:33:38,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:33:38,463 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:33:38,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:33:38,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:33:38,464 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:33:38,465 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:33:38,465 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:33:38,466 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:33:38,466 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:33:38,467 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:33:38,468 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:33:38,469 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:33:38,469 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:33:38,470 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:33:38,471 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:33:38,471 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:33:38,471 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:33:38,472 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:33:38,472 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:33:38,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:33:38,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:33:38,474 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:33:38,474 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:33:38,474 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:33:38,475 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:33:38,475 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:33:38,475 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:33:38,476 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:33:38,476 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:33:38,483 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:33:38,483 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:33:38,484 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:33:38,484 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:33:38,484 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:33:38,484 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:33:38,484 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:33:38,484 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:33:38,484 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:33:38,485 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:33:38,485 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:33:38,485 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:33:38,485 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:33:38,485 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:33:38,485 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:33:38,486 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:33:38,487 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:33:38,487 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:33:38,487 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:33:38,487 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:33:38,487 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:33:38,487 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:33:38,487 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:33:38,487 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:33:38,488 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:33:38,488 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:33:38,488 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:33:38,488 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:33:38,488 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:33:38,488 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_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/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 -> 38d3472c1eb8f4a8d30b3059a3484ecd66f7fba4 [2018-12-01 22:33:38,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:33:38,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:33:38,514 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:33:38,515 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:33:38,515 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:33:38,515 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-12-01 22:33:38,550 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/data/a390f209a/6f5b9f51895647e5a0684c4c45e16f6b/FLAGe1787ba5d [2018-12-01 22:33:39,010 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:33:39,011 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/sv-benchmarks/c/product-lines/minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-12-01 22:33:39,018 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/data/a390f209a/6f5b9f51895647e5a0684c4c45e16f6b/FLAGe1787ba5d [2018-12-01 22:33:39,378 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/data/a390f209a/6f5b9f51895647e5a0684c4c45e16f6b [2018-12-01 22:33:39,380 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:33:39,382 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:33:39,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:33:39,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:33:39,385 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:33:39,386 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39, skipping insertion in model container [2018-12-01 22:33:39,388 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:33:39,415 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:33:39,564 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:33:39,571 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:33:39,656 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:33:39,671 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:33:39,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39 WrapperNode [2018-12-01 22:33:39,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:33:39,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:33:39,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:33:39,672 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:33:39,677 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:33:39,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:33:39,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:33:39,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:33:39,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... [2018-12-01 22:33:39,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:33:39,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:33:39,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:33:39,713 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:33:39,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:33:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 22:33:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 22:33:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:33:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:33:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-01 22:33:39,744 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-01 22:33:39,744 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 22:33:39,745 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 22:33:39,745 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-01 22:33:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-01 22:33:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 22:33:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 22:33:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 22:33:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 22:33:39,746 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 22:33:39,746 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 22:33:39,747 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 22:33:39,747 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 22:33:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 22:33:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:33:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:33:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 22:33:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 22:33:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 22:33:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 22:33:39,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:33:39,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:33:40,018 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:33:40,018 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 22:33:40,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:33:40 BoogieIcfgContainer [2018-12-01 22:33:40,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:33:40,019 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:33:40,019 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:33:40,022 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:33:40,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:33:39" (1/3) ... [2018-12-01 22:33:40,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699f3bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:33:40, skipping insertion in model container [2018-12-01 22:33:40,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:33:39" (2/3) ... [2018-12-01 22:33:40,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699f3bb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:33:40, skipping insertion in model container [2018-12-01 22:33:40,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:33:40" (3/3) ... [2018-12-01 22:33:40,024 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product51_true-unreach-call_false-termination.cil.c [2018-12-01 22:33:40,032 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:33:40,039 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:33:40,052 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:33:40,073 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:33:40,073 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:33:40,073 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:33:40,073 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:33:40,073 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:33:40,074 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:33:40,074 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:33:40,074 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:33:40,087 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-12-01 22:33:40,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-01 22:33:40,092 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:40,093 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:40,094 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:40,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:40,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1555680106, now seen corresponding path program 1 times [2018-12-01 22:33:40,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:40,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:40,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,127 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:40,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:40,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 22:33:40,243 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:40,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 22:33:40,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 22:33:40,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:33:40,255 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-12-01 22:33:40,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:40,278 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2018-12-01 22:33:40,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 22:33:40,278 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-01 22:33:40,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:40,285 INFO L225 Difference]: With dead ends: 274 [2018-12-01 22:33:40,285 INFO L226 Difference]: Without dead ends: 139 [2018-12-01 22:33:40,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 22:33:40,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-01 22:33:40,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-01 22:33:40,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-01 22:33:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-01 22:33:40,317 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 51 [2018-12-01 22:33:40,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:40,317 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-01 22:33:40,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 22:33:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-01 22:33:40,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 22:33:40,319 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:40,319 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:40,320 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:40,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:40,320 INFO L82 PathProgramCache]: Analyzing trace with hash -2138870170, now seen corresponding path program 1 times [2018-12-01 22:33:40,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:40,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:40,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:40,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:40,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:40,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:33:40,372 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:40,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:33:40,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:33:40,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:33:40,374 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-12-01 22:33:40,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:40,386 INFO L93 Difference]: Finished difference Result 217 states and 255 transitions. [2018-12-01 22:33:40,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:33:40,387 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-01 22:33:40,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:40,388 INFO L225 Difference]: With dead ends: 217 [2018-12-01 22:33:40,388 INFO L226 Difference]: Without dead ends: 130 [2018-12-01 22:33:40,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:33:40,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-01 22:33:40,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-01 22:33:40,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-01 22:33:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-12-01 22:33:40,396 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 52 [2018-12-01 22:33:40,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:40,397 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-12-01 22:33:40,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:33:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-12-01 22:33:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-01 22:33:40,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:40,398 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:40,398 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:40,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:40,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1856702925, now seen corresponding path program 1 times [2018-12-01 22:33:40,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:40,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:40,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:40,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:40,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:40,466 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:33:40,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:40,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:33:40,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:33:40,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:33:40,467 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-12-01 22:33:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:40,748 INFO L93 Difference]: Finished difference Result 385 states and 468 transitions. [2018-12-01 22:33:40,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:33:40,749 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-01 22:33:40,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:40,751 INFO L225 Difference]: With dead ends: 385 [2018-12-01 22:33:40,751 INFO L226 Difference]: Without dead ends: 283 [2018-12-01 22:33:40,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:33:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-12-01 22:33:40,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2018-12-01 22:33:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-12-01 22:33:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 334 transitions. [2018-12-01 22:33:40,771 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 334 transitions. Word has length 56 [2018-12-01 22:33:40,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:40,772 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 334 transitions. [2018-12-01 22:33:40,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:33:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 334 transitions. [2018-12-01 22:33:40,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-01 22:33:40,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:40,774 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:40,774 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:40,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:40,774 INFO L82 PathProgramCache]: Analyzing trace with hash 556663983, now seen corresponding path program 1 times [2018-12-01 22:33:40,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:40,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:40,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:40,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:40,831 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:40,831 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:33:40,832 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:40,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:33:40,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:33:40,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:33:40,832 INFO L87 Difference]: Start difference. First operand 275 states and 334 transitions. Second operand 6 states. [2018-12-01 22:33:40,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:40,958 INFO L93 Difference]: Finished difference Result 751 states and 936 transitions. [2018-12-01 22:33:40,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:33:40,958 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-01 22:33:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:40,961 INFO L225 Difference]: With dead ends: 751 [2018-12-01 22:33:40,962 INFO L226 Difference]: Without dead ends: 504 [2018-12-01 22:33:40,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:33:40,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2018-12-01 22:33:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 498. [2018-12-01 22:33:40,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2018-12-01 22:33:40,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 608 transitions. [2018-12-01 22:33:40,999 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 608 transitions. Word has length 62 [2018-12-01 22:33:40,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:40,999 INFO L480 AbstractCegarLoop]: Abstraction has 498 states and 608 transitions. [2018-12-01 22:33:41,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:33:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 608 transitions. [2018-12-01 22:33:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-01 22:33:41,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:41,002 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:41,003 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:41,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash -728464629, now seen corresponding path program 1 times [2018-12-01 22:33:41,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:41,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:41,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:41,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:41,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 22:33:41,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:41,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:33:41,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:33:41,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:33:41,082 INFO L87 Difference]: Start difference. First operand 498 states and 608 transitions. Second operand 7 states. [2018-12-01 22:33:41,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:41,439 INFO L93 Difference]: Finished difference Result 1285 states and 1690 transitions. [2018-12-01 22:33:41,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 22:33:41,439 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-01 22:33:41,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:41,442 INFO L225 Difference]: With dead ends: 1285 [2018-12-01 22:33:41,442 INFO L226 Difference]: Without dead ends: 815 [2018-12-01 22:33:41,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:33:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-12-01 22:33:41,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 719. [2018-12-01 22:33:41,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-12-01 22:33:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2018-12-01 22:33:41,472 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 66 [2018-12-01 22:33:41,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:41,473 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2018-12-01 22:33:41,473 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:33:41,473 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2018-12-01 22:33:41,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:33:41,474 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:41,474 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:41,474 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:41,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:41,474 INFO L82 PathProgramCache]: Analyzing trace with hash -577517678, now seen corresponding path program 1 times [2018-12-01 22:33:41,474 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:41,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:41,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:41,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:41,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:41,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:33:41,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:41,512 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:33:41,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:33:41,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:33:41,512 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 6 states. [2018-12-01 22:33:41,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:41,544 INFO L93 Difference]: Finished difference Result 1430 states and 1772 transitions. [2018-12-01 22:33:41,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:33:41,544 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-01 22:33:41,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:41,546 INFO L225 Difference]: With dead ends: 1430 [2018-12-01 22:33:41,547 INFO L226 Difference]: Without dead ends: 739 [2018-12-01 22:33:41,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:33:41,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2018-12-01 22:33:41,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 739. [2018-12-01 22:33:41,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2018-12-01 22:33:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 895 transitions. [2018-12-01 22:33:41,572 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 895 transitions. Word has length 88 [2018-12-01 22:33:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:41,572 INFO L480 AbstractCegarLoop]: Abstraction has 739 states and 895 transitions. [2018-12-01 22:33:41,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:33:41,573 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 895 transitions. [2018-12-01 22:33:41,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:33:41,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:41,573 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:41,574 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:41,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:41,574 INFO L82 PathProgramCache]: Analyzing trace with hash 124082196, now seen corresponding path program 1 times [2018-12-01 22:33:41,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:41,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:41,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:41,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:41,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:41,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 22:33:41,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:41,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 22:33:41,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 22:33:41,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:33:41,630 INFO L87 Difference]: Start difference. First operand 739 states and 895 transitions. Second operand 8 states. [2018-12-01 22:33:41,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:41,667 INFO L93 Difference]: Finished difference Result 1478 states and 1850 transitions. [2018-12-01 22:33:41,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:33:41,668 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-01 22:33:41,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:41,670 INFO L225 Difference]: With dead ends: 1478 [2018-12-01 22:33:41,670 INFO L226 Difference]: Without dead ends: 767 [2018-12-01 22:33:41,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:33:41,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 767 states. [2018-12-01 22:33:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 767 to 755. [2018-12-01 22:33:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-01 22:33:41,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 911 transitions. [2018-12-01 22:33:41,694 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 911 transitions. Word has length 88 [2018-12-01 22:33:41,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:41,694 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 911 transitions. [2018-12-01 22:33:41,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 22:33:41,694 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 911 transitions. [2018-12-01 22:33:41,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-01 22:33:41,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:41,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:41,696 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:41,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:41,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1849563093, now seen corresponding path program 1 times [2018-12-01 22:33:41,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:41,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:41,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,697 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:41,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:41,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:41,734 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:33:41,734 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:41,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:33:41,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:33:41,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:33:41,735 INFO L87 Difference]: Start difference. First operand 755 states and 911 transitions. Second operand 4 states. [2018-12-01 22:33:41,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:41,899 INFO L93 Difference]: Finished difference Result 2445 states and 3098 transitions. [2018-12-01 22:33:41,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:33:41,899 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-01 22:33:41,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:41,904 INFO L225 Difference]: With dead ends: 2445 [2018-12-01 22:33:41,904 INFO L226 Difference]: Without dead ends: 1718 [2018-12-01 22:33:41,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:33:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2018-12-01 22:33:41,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1687. [2018-12-01 22:33:41,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1687 states. [2018-12-01 22:33:41,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2087 transitions. [2018-12-01 22:33:41,960 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2087 transitions. Word has length 88 [2018-12-01 22:33:41,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:41,960 INFO L480 AbstractCegarLoop]: Abstraction has 1687 states and 2087 transitions. [2018-12-01 22:33:41,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:33:41,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2087 transitions. [2018-12-01 22:33:41,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-01 22:33:41,961 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:41,961 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:41,962 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:41,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:41,962 INFO L82 PathProgramCache]: Analyzing trace with hash -2027295025, now seen corresponding path program 1 times [2018-12-01 22:33:41,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:41,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:41,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:41,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:41,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:41,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:41,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:33:41,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:41,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:33:41,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:33:41,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:33:41,989 INFO L87 Difference]: Start difference. First operand 1687 states and 2087 transitions. Second operand 3 states. [2018-12-01 22:33:42,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:42,049 INFO L93 Difference]: Finished difference Result 2686 states and 3425 transitions. [2018-12-01 22:33:42,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:33:42,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-01 22:33:42,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:42,061 INFO L225 Difference]: With dead ends: 2686 [2018-12-01 22:33:42,061 INFO L226 Difference]: Without dead ends: 2683 [2018-12-01 22:33:42,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:33:42,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2683 states. [2018-12-01 22:33:42,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2683 to 2497. [2018-12-01 22:33:42,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2497 states. [2018-12-01 22:33:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2497 states to 2497 states and 3197 transitions. [2018-12-01 22:33:42,147 INFO L78 Accepts]: Start accepts. Automaton has 2497 states and 3197 transitions. Word has length 92 [2018-12-01 22:33:42,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:42,148 INFO L480 AbstractCegarLoop]: Abstraction has 2497 states and 3197 transitions. [2018-12-01 22:33:42,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:33:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2497 states and 3197 transitions. [2018-12-01 22:33:42,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 22:33:42,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:42,153 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:33:42,153 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:42,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:42,153 INFO L82 PathProgramCache]: Analyzing trace with hash -729475961, now seen corresponding path program 1 times [2018-12-01 22:33:42,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:42,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:42,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:42,154 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:42,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:42,220 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 22:33:42,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:42,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:33:42,220 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-01 22:33:42,222 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [108], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [223], [225], [226], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [273], [274], [275], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320] [2018-12-01 22:33:42,250 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:33:42,250 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:33:43,332 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:33:43,333 INFO L272 AbstractInterpreter]: Visited 104 different actions 496 times. Merged at 15 different actions 38 times. Never widened. Performed 23593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-01 22:33:43,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:43,338 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:33:43,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:43,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:33:43,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:43,345 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:33:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:43,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:33:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:33:43,460 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:33:43,614 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-01 22:33:43,640 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:33:43,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-12-01 22:33:43,641 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:43,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:33:43,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:33:43,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:33:43,642 INFO L87 Difference]: Start difference. First operand 2497 states and 3197 transitions. Second operand 3 states. [2018-12-01 22:33:43,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:43,794 INFO L93 Difference]: Finished difference Result 5361 states and 7114 transitions. [2018-12-01 22:33:43,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:33:43,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-12-01 22:33:43,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:43,803 INFO L225 Difference]: With dead ends: 5361 [2018-12-01 22:33:43,803 INFO L226 Difference]: Without dead ends: 3208 [2018-12-01 22:33:43,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 303 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:33:43,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2018-12-01 22:33:43,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3181. [2018-12-01 22:33:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3181 states. [2018-12-01 22:33:43,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3181 states to 3181 states and 4024 transitions. [2018-12-01 22:33:43,920 INFO L78 Accepts]: Start accepts. Automaton has 3181 states and 4024 transitions. Word has length 154 [2018-12-01 22:33:43,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:43,920 INFO L480 AbstractCegarLoop]: Abstraction has 3181 states and 4024 transitions. [2018-12-01 22:33:43,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:33:43,920 INFO L276 IsEmpty]: Start isEmpty. Operand 3181 states and 4024 transitions. [2018-12-01 22:33:43,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-01 22:33:43,926 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:43,926 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:33:43,926 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:43,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:43,927 INFO L82 PathProgramCache]: Analyzing trace with hash 142515839, now seen corresponding path program 1 times [2018-12-01 22:33:43,927 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:43,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:43,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:43,928 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:43,928 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:43,976 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-01 22:33:43,976 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:43,976 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:33:43,976 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-01 22:33:43,977 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [97], [100], [103], [105], [108], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [273], [274], [275], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320] [2018-12-01 22:33:43,979 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:33:43,979 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:33:44,244 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:33:44,245 INFO L272 AbstractInterpreter]: Visited 97 different actions 147 times. Merged at 8 different actions 8 times. Never widened. Performed 7975 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7975 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 134 variables. [2018-12-01 22:33:44,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:44,246 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:33:44,644 INFO L227 lantSequenceWeakener]: Weakened 150 states. On average, predicates are now at 96.44% of their original sizes. [2018-12-01 22:33:44,644 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:33:44,881 INFO L418 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2018-12-01 22:33:44,882 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:33:44,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:33:44,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [30] imperfect sequences [5] total 33 [2018-12-01 22:33:44,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:44,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-12-01 22:33:44,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-12-01 22:33:44,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=719, Unknown=0, NotChecked=0, Total=870 [2018-12-01 22:33:44,883 INFO L87 Difference]: Start difference. First operand 3181 states and 4024 transitions. Second operand 30 states. [2018-12-01 22:33:53,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:53,506 INFO L93 Difference]: Finished difference Result 9904 states and 12985 transitions. [2018-12-01 22:33:53,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-01 22:33:53,506 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 158 [2018-12-01 22:33:53,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:53,524 INFO L225 Difference]: With dead ends: 9904 [2018-12-01 22:33:53,524 INFO L226 Difference]: Without dead ends: 7067 [2018-12-01 22:33:53,531 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 176 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 553 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=345, Invalid=2007, Unknown=0, NotChecked=0, Total=2352 [2018-12-01 22:33:53,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7067 states. [2018-12-01 22:33:53,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7067 to 6629. [2018-12-01 22:33:53,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6629 states. [2018-12-01 22:33:53,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 8283 transitions. [2018-12-01 22:33:53,788 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 8283 transitions. Word has length 158 [2018-12-01 22:33:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:53,789 INFO L480 AbstractCegarLoop]: Abstraction has 6629 states and 8283 transitions. [2018-12-01 22:33:53,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-12-01 22:33:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 8283 transitions. [2018-12-01 22:33:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 22:33:53,797 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:53,798 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:33:53,798 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:53,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:53,798 INFO L82 PathProgramCache]: Analyzing trace with hash 371036000, now seen corresponding path program 1 times [2018-12-01 22:33:53,799 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:53,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:53,799 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:53,799 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:53,800 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:53,899 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:33:53,899 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:53,899 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:33:53,899 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-01 22:33:53,900 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [46], [50], [51], [52], [55], [57], [63], [67], [70], [71], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [108], [124], [125], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [245], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [271], [272], [273], [274], [275], [277], [278], [281], [282], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320], [323], [324] [2018-12-01 22:33:53,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:33:53,902 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:33:54,659 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:33:54,660 INFO L272 AbstractInterpreter]: Visited 124 different actions 651 times. Merged at 20 different actions 64 times. Never widened. Performed 25072 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25072 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 14 fixpoints after 7 different actions. Largest state had 134 variables. [2018-12-01 22:33:54,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:54,661 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:33:54,661 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:54,661 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:33:54,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:54,667 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:33:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:54,734 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:33:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:33:54,786 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:33:54,970 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:33:54,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-01 22:33:54,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-01 22:33:54,985 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:54,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:33:54,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:33:54,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-01 22:33:54,986 INFO L87 Difference]: Start difference. First operand 6629 states and 8283 transitions. Second operand 9 states. [2018-12-01 22:33:56,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:56,000 INFO L93 Difference]: Finished difference Result 16540 states and 23605 transitions. [2018-12-01 22:33:56,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-01 22:33:56,001 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-12-01 22:33:56,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:56,044 INFO L225 Difference]: With dead ends: 16540 [2018-12-01 22:33:56,045 INFO L226 Difference]: Without dead ends: 10869 [2018-12-01 22:33:56,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 297 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-01 22:33:56,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10869 states. [2018-12-01 22:33:56,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10869 to 8951. [2018-12-01 22:33:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8951 states. [2018-12-01 22:33:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8951 states to 8951 states and 11370 transitions. [2018-12-01 22:33:56,403 INFO L78 Accepts]: Start accepts. Automaton has 8951 states and 11370 transitions. Word has length 152 [2018-12-01 22:33:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:56,404 INFO L480 AbstractCegarLoop]: Abstraction has 8951 states and 11370 transitions. [2018-12-01 22:33:56,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:33:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 8951 states and 11370 transitions. [2018-12-01 22:33:56,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-01 22:33:56,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:56,408 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:33:56,408 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:56,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:56,408 INFO L82 PathProgramCache]: Analyzing trace with hash 298649442, now seen corresponding path program 1 times [2018-12-01 22:33:56,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:56,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:56,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:56,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:56,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:56,467 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 22:33:56,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:56,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-01 22:33:56,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:56,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:33:56,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:33:56,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:33:56,468 INFO L87 Difference]: Start difference. First operand 8951 states and 11370 transitions. Second operand 9 states. [2018-12-01 22:33:56,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:56,643 INFO L93 Difference]: Finished difference Result 11730 states and 14884 transitions. [2018-12-01 22:33:56,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-01 22:33:56,644 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 152 [2018-12-01 22:33:56,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:56,651 INFO L225 Difference]: With dead ends: 11730 [2018-12-01 22:33:56,651 INFO L226 Difference]: Without dead ends: 3717 [2018-12-01 22:33:56,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:33:56,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3717 states. [2018-12-01 22:33:56,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3717 to 3613. [2018-12-01 22:33:56,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3613 states. [2018-12-01 22:33:56,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3613 states to 3613 states and 4327 transitions. [2018-12-01 22:33:56,788 INFO L78 Accepts]: Start accepts. Automaton has 3613 states and 4327 transitions. Word has length 152 [2018-12-01 22:33:56,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:56,788 INFO L480 AbstractCegarLoop]: Abstraction has 3613 states and 4327 transitions. [2018-12-01 22:33:56,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:33:56,788 INFO L276 IsEmpty]: Start isEmpty. Operand 3613 states and 4327 transitions. [2018-12-01 22:33:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-01 22:33:56,792 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:56,792 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:33:56,792 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:56,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:56,792 INFO L82 PathProgramCache]: Analyzing trace with hash -713957243, now seen corresponding path program 1 times [2018-12-01 22:33:56,792 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:56,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:56,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:56,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:56,793 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 24 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 22:33:56,857 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:56,857 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:33:56,857 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-01 22:33:56,857 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [46], [50], [51], [52], [67], [70], [72], [81], [85], [89], [92], [95], [97], [100], [103], [105], [108], [126], [128], [131], [133], [136], [139], [142], [150], [151], [152], [153], [154], [155], [156], [157], [159], [164], [166], [167], [172], [174], [175], [176], [205], [208], [212], [218], [221], [225], [226], [230], [233], [235], [238], [248], [251], [255], [256], [259], [260], [261], [262], [263], [264], [265], [266], [267], [273], [274], [275], [283], [284], [285], [286], [287], [288], [291], [292], [295], [296], [297], [298], [299], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [317], [318], [319], [320] [2018-12-01 22:33:56,858 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:33:56,858 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:33:57,403 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:33:57,403 INFO L272 AbstractInterpreter]: Visited 104 different actions 472 times. Merged at 18 different actions 38 times. Never widened. Performed 17793 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17793 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-01 22:33:57,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:57,405 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:33:57,405 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:33:57,405 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:33:57,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:57,411 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:33:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:57,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:33:57,521 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-01 22:33:57,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:33:57,704 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-01 22:33:57,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:33:57,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 19 [2018-12-01 22:33:57,719 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:33:57,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-01 22:33:57,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-01 22:33:57,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2018-12-01 22:33:57,720 INFO L87 Difference]: Start difference. First operand 3613 states and 4327 transitions. Second operand 14 states. [2018-12-01 22:33:58,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:58,614 INFO L93 Difference]: Finished difference Result 6283 states and 7647 transitions. [2018-12-01 22:33:58,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-01 22:33:58,615 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 154 [2018-12-01 22:33:58,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:58,624 INFO L225 Difference]: With dead ends: 6283 [2018-12-01 22:33:58,624 INFO L226 Difference]: Without dead ends: 3608 [2018-12-01 22:33:58,630 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 302 SyntacticMatches, 14 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=339, Invalid=1143, Unknown=0, NotChecked=0, Total=1482 [2018-12-01 22:33:58,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3608 states. [2018-12-01 22:33:58,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3608 to 2460. [2018-12-01 22:33:58,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2460 states. [2018-12-01 22:33:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 2460 states and 2722 transitions. [2018-12-01 22:33:58,745 INFO L78 Accepts]: Start accepts. Automaton has 2460 states and 2722 transitions. Word has length 154 [2018-12-01 22:33:58,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:58,745 INFO L480 AbstractCegarLoop]: Abstraction has 2460 states and 2722 transitions. [2018-12-01 22:33:58,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-01 22:33:58,745 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2722 transitions. [2018-12-01 22:33:58,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 22:33:58,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:33:58,748 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-01 22:33:58,748 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:33:58,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:33:58,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1173141610, now seen corresponding path program 1 times [2018-12-01 22:33:58,749 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:33:58,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:58,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:33:58,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:33:58,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:33:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:33:58,775 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-01 22:33:58,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:33:58,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:33:58,776 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:33:58,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:33:58,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:33:58,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:33:58,776 INFO L87 Difference]: Start difference. First operand 2460 states and 2722 transitions. Second operand 3 states. [2018-12-01 22:33:58,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:33:58,863 INFO L93 Difference]: Finished difference Result 2848 states and 3189 transitions. [2018-12-01 22:33:58,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:33:58,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-01 22:33:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:33:58,864 INFO L225 Difference]: With dead ends: 2848 [2018-12-01 22:33:58,864 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:33:58,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:33:58,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:33:58,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:33:58,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:33:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:33:58,868 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-01 22:33:58,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:33:58,868 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:33:58,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:33:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:33:58,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:33:58,871 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:33:59,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,128 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,139 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,920 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:33:59,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,108 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 184 [2018-12-01 22:34:00,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:34:00,508 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2018-12-01 22:34:00,764 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 33 [2018-12-01 22:34:01,094 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 43 [2018-12-01 22:34:01,254 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-01 22:34:01,656 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 57 [2018-12-01 22:34:02,114 WARN L180 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 62 [2018-12-01 22:34:02,273 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 1 [2018-12-01 22:34:03,192 WARN L180 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 61 [2018-12-01 22:34:04,255 WARN L180 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 78 [2018-12-01 22:34:04,448 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 20 [2018-12-01 22:34:04,566 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2018-12-01 22:34:04,924 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2018-12-01 22:34:05,161 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 39 [2018-12-01 22:34:06,069 WARN L180 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 53 [2018-12-01 22:34:06,438 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 31 [2018-12-01 22:34:06,874 WARN L180 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 27 [2018-12-01 22:34:07,281 WARN L180 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 30 [2018-12-01 22:34:07,485 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2018-12-01 22:34:07,921 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 34 [2018-12-01 22:34:08,287 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 1 [2018-12-01 22:34:08,508 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 55 [2018-12-01 22:34:08,898 WARN L180 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 43 [2018-12-01 22:34:10,023 WARN L180 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 228 DAG size of output: 60 [2018-12-01 22:34:10,649 WARN L180 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 26 [2018-12-01 22:34:11,394 WARN L180 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 40 [2018-12-01 22:34:11,778 WARN L180 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 40 [2018-12-01 22:34:12,274 WARN L180 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 53 [2018-12-01 22:34:12,482 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 40 [2018-12-01 22:34:12,485 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 395 401) the Hoare annotation is: true [2018-12-01 22:34:12,485 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 395 401) no Hoare annotation was computed. [2018-12-01 22:34:12,485 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 402 410) no Hoare annotation was computed. [2018-12-01 22:34:12,486 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 402 410) the Hoare annotation is: true [2018-12-01 22:34:12,486 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 402 410) no Hoare annotation was computed. [2018-12-01 22:34:12,486 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 589 611) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,486 INFO L444 ceAbstractionStarter]: At program point L601(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~6 1) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,486 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 589 611) no Hoare annotation was computed. [2018-12-01 22:34:12,486 INFO L444 ceAbstractionStarter]: At program point L601-1(line 601) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~6 1) (= 1 ~waterLevel~0) (= main_~tmp~6 ~systemActive~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,487 INFO L448 ceAbstractionStarter]: For program point L599(lines 599 606) no Hoare annotation was computed. [2018-12-01 22:34:12,487 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 599 606) no Hoare annotation was computed. [2018-12-01 22:34:12,487 INFO L448 ceAbstractionStarter]: For program point L597(line 597) no Hoare annotation was computed. [2018-12-01 22:34:12,487 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,487 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,487 INFO L444 ceAbstractionStarter]: At program point L595-1(line 595) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,487 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 589 611) no Hoare annotation was computed. [2018-12-01 22:34:12,487 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 318 332) no Hoare annotation was computed. [2018-12-01 22:34:12,488 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 318 332) the Hoare annotation is: (let ((.cse6 (< 2 ~waterLevel~0)) (.cse7 (< ~waterLevel~0 2)) (.cse5 (= |old(~systemActive~0)| 0)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (not (= ~methAndRunningLastTime~0 0)))) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or (< 1 ~waterLevel~0) .cse8 (< ~waterLevel~0 1) .cse9)) (.cse2 (not .cse5)) (.cse3 (= ~systemActive~0 0)) (.cse0 (or .cse6 (or .cse8 .cse7 .cse9)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or (and (not .cse3) (= ~pumpRunning~0 1)) (or .cse5 .cse6 .cse7 (not (= 1 |old(~pumpRunning~0)|)))) (or .cse2 .cse3 .cse0)))) [2018-12-01 22:34:12,488 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 318 332) no Hoare annotation was computed. [2018-12-01 22:34:12,488 INFO L444 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (< ~waterLevel~0 2))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1) (or .cse2 (or .cse0 .cse3 .cse1)) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (= |old(~systemActive~0)| 0) .cse2 .cse3 (not (= 1 |old(~pumpRunning~0)|)))))) [2018-12-01 22:34:12,488 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-12-01 22:34:12,488 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 235 243) no Hoare annotation was computed. [2018-12-01 22:34:12,488 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 235 243) the Hoare annotation is: true [2018-12-01 22:34:12,488 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 235 243) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L448 ceAbstractionStarter]: For program point L306-1(line 306) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 299 317) the Hoare annotation is: true [2018-12-01 22:34:12,489 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 299 317) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L451 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: true [2018-12-01 22:34:12,489 INFO L448 ceAbstractionStarter]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 299 317) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 388 394) no Hoare annotation was computed. [2018-12-01 22:34:12,489 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 388 394) the Hoare annotation is: true [2018-12-01 22:34:12,490 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 578 588) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,490 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 578 588) no Hoare annotation was computed. [2018-12-01 22:34:12,490 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,490 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 578 588) no Hoare annotation was computed. [2018-12-01 22:34:12,490 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 216 223) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~pumpRunning~0 1) (< 2 ~waterLevel~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (or (< 1 ~waterLevel~0) (< ~waterLevel~0 1) .cse0 (not (= ~systemActive~0 1))) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-01 22:34:12,490 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 216 223) no Hoare annotation was computed. [2018-12-01 22:34:12,490 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 216 223) no Hoare annotation was computed. [2018-12-01 22:34:12,490 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-12-01 22:34:12,490 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 492 505) no Hoare annotation was computed. [2018-12-01 22:34:12,491 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 492 505) the Hoare annotation is: true [2018-12-01 22:34:12,491 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 492 505) no Hoare annotation was computed. [2018-12-01 22:34:12,491 INFO L444 ceAbstractionStarter]: At program point L193(line 193) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse1 (< ~waterLevel~0 2) .cse3 .cse4) (< 2 ~waterLevel~0)) (or (or .cse0 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3) (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-12-01 22:34:12,491 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 199) no Hoare annotation was computed. [2018-12-01 22:34:12,491 INFO L444 ceAbstractionStarter]: At program point L189(line 189) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (or .cse1 (< ~waterLevel~0 2) .cse3 .cse4) (< 2 ~waterLevel~0)))) [2018-12-01 22:34:12,491 INFO L448 ceAbstractionStarter]: For program point L189-1(line 189) no Hoare annotation was computed. [2018-12-01 22:34:12,491 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 204) no Hoare annotation was computed. [2018-12-01 22:34:12,491 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 183 207) no Hoare annotation was computed. [2018-12-01 22:34:12,492 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 183 207) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse3) (or .cse0 .cse4 .cse3 .cse1 .cse2 .cse5) (or (or .cse4 (< ~waterLevel~0 2) .cse2 .cse5) (< 2 ~waterLevel~0) .cse3))) [2018-12-01 22:34:12,492 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse3 .cse4 .cse1 .cse2 .cse5) (or (or .cse3 (< ~waterLevel~0 2) .cse2 .cse5) (< 2 ~waterLevel~0) .cse4))) [2018-12-01 22:34:12,492 INFO L448 ceAbstractionStarter]: For program point L202-1(lines 183 207) no Hoare annotation was computed. [2018-12-01 22:34:12,492 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse0 .cse3 .cse1 .cse2 .cse4) (or (or .cse3 (< ~waterLevel~0 2) .cse2 .cse4) (< 2 ~waterLevel~0)))) [2018-12-01 22:34:12,492 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 149 155) no Hoare annotation was computed. [2018-12-01 22:34:12,492 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 149 155) the Hoare annotation is: true [2018-12-01 22:34:12,493 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,493 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and (= ~pumpRunning~0 1) (and (and (not (= ~systemActive~0 0)) (not (= ~waterLevel~0 1)) .cse0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse0 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse2 (<= 2 ~waterLevel~0) .cse0 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:34:12,493 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-12-01 22:34:12,493 INFO L444 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (let ((.cse6 (<= ~waterLevel~0 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse4 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse5 .cse6 .cse7 .cse2 .cse8) (and .cse5 .cse6 .cse7 .cse1 .cse2 .cse8) (and .cse4 .cse5 .cse0 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse8 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:34:12,493 INFO L448 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-12-01 22:34:12,493 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-12-01 22:34:12,493 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-12-01 22:34:12,494 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse0 (= ~pumpRunning~0 1) .cse2 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse3 .cse4) .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse7 .cse8 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:34:12,494 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-01 22:34:12,494 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-12-01 22:34:12,494 INFO L444 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse2 (= ~pumpRunning~0 1) .cse6 .cse3 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse1 .cse7 .cse8 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse7 .cse8 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:34:12,494 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse5 .cse3) (and .cse6 .cse4 .cse0 .cse2 .cse5 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse6 .cse4 .cse7 .cse8 .cse2 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse7 .cse8 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 22:34:12,494 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-01 22:34:12,494 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L444 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 506 514) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 506 514) the Hoare annotation is: true [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 506 514) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point L354-1(line 354) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 369) no Hoare annotation was computed. [2018-12-01 22:34:12,495 INFO L448 ceAbstractionStarter]: For program point L352-1(lines 344 372) no Hoare annotation was computed. [2018-12-01 22:34:12,496 INFO L444 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 1)) (.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse12 (not (= ~systemActive~0 1))) (.cse4 (not .cse17)) (.cse6 (not .cse16)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (let ((.cse15 (= ~methAndRunningLastTime~0 0))) (or (and .cse15 .cse16) (and .cse15 .cse17)))) (.cse8 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse13 (< 1 ~waterLevel~0)) (.cse14 (< ~waterLevel~0 1)) (.cse9 (and (or .cse3 .cse4) (or .cse6 .cse3))) (.cse7 (or .cse2 .cse12)) (.cse11 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 (let ((.cse5 (not (= ~waterLevel~0 2)))) (and (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse5)))) (or .cse1 .cse7 .cse8 .cse9 .cse10) (or .cse8 .cse10 (not (= 1 ~pumpRunning~0)) .cse11 .cse12 .cse3) (or .cse0 .cse11 (or .cse13 .cse2 .cse14 .cse9)) (or (or .cse13 .cse14 .cse9 .cse7) .cse11))))) [2018-12-01 22:34:12,496 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-12-01 22:34:12,496 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 344 372) the Hoare annotation is: (let ((.cse16 (= ~methaneLevelCritical~0 1)) (.cse17 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse12 (not (= ~systemActive~0 1))) (.cse4 (not .cse17)) (.cse6 (not .cse16)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (let ((.cse15 (= ~methAndRunningLastTime~0 0))) (or (and .cse15 .cse16) (and .cse15 .cse17)))) (.cse8 (< 2 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse13 (< 1 ~waterLevel~0)) (.cse14 (< ~waterLevel~0 1)) (.cse9 (and (or .cse3 .cse4) (or .cse6 .cse3))) (.cse7 (or .cse2 .cse12)) (.cse11 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 (let ((.cse5 (not (= ~waterLevel~0 2)))) (and (or .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse2 .cse3 .cse5)))) (or .cse1 .cse7 .cse8 .cse9 .cse10) (or .cse8 .cse10 (not (= 1 ~pumpRunning~0)) .cse11 .cse12 .cse3) (or .cse0 .cse11 (or .cse13 .cse2 .cse14 .cse9)) (or (or .cse13 .cse14 .cse9 .cse7) .cse11))))) [2018-12-01 22:34:12,496 INFO L444 ceAbstractionStarter]: At program point L359(line 359) the Hoare annotation is: (let ((.cse6 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (< 1 ~waterLevel~0)) (.cse5 (< ~waterLevel~0 1)) (.cse4 (not (= ~systemActive~0 0))) (.cse7 (or .cse6 .cse2)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse3 .cse5) (or .cse4 .cse0 (or .cse6 .cse1)) (or .cse7 .cse0 .cse1)))) [2018-12-01 22:34:12,496 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 363) no Hoare annotation was computed. [2018-12-01 22:34:12,497 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 366) no Hoare annotation was computed. [2018-12-01 22:34:12,497 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 344 372) no Hoare annotation was computed. [2018-12-01 22:34:12,497 INFO L444 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1))) (.cse16 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse14 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse7 (or .cse14 .cse5)) (.cse9 (< 1 ~waterLevel~0)) (.cse10 (< ~waterLevel~0 1)) (.cse13 (and (or .cse3 .cse5) (or .cse16 .cse3))) (.cse12 (or .cse14 .cse4)) (.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse15 (or .cse14 .cse4 .cse5)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (< ~waterLevel~0 2)) (.cse6 (not (= ~systemActive~0 0))) (.cse11 (= ~methAndRunningLastTime~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (or .cse4 .cse5)) (or .cse6 .cse0 (or .cse7 .cse1)) (or .cse0 .cse1 .cse2 .cse8 .cse4 .cse3) (or .cse9 .cse6 .cse7 .cse10) (or .cse11 .cse12 .cse0 .cse13 .cse1) (or .cse6 .cse8 (or .cse9 .cse14 .cse10 .cse13)) (or .cse9 .cse10 .cse15) (or (or .cse9 .cse10 .cse13 .cse12) .cse8) (or .cse15 .cse0 .cse1) (or .cse6 .cse11 (or .cse16 .cse14 .cse3 (not (= ~waterLevel~0 2))))))) [2018-12-01 22:34:12,497 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 336 343) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 22:34:12,497 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 336 343) no Hoare annotation was computed. [2018-12-01 22:34:12,497 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 336 343) no Hoare annotation was computed. [2018-12-01 22:34:12,497 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:34:12,497 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 208 215) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 208 215) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 208 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point L289(lines 289 293) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 280 298) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L451 ceAbstractionStarter]: At program point L287(line 287) the Hoare annotation is: true [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point L289-2(lines 289 293) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L448 ceAbstractionStarter]: For program point L287-1(line 287) no Hoare annotation was computed. [2018-12-01 22:34:12,498 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 280 298) the Hoare annotation is: true [2018-12-01 22:34:12,499 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 280 298) no Hoare annotation was computed. [2018-12-01 22:34:12,499 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: (let ((.cse13 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= |old(~methaneLevelCritical~0)| 0)))) (let ((.cse5 (not (= 1 ~pumpRunning~0))) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse12 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse11 (not (= ~waterLevel~0 2))) (.cse0 (not (= ~systemActive~0 0))) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (or .cse13 .cse7 .cse8)) (.cse4 (< ~waterLevel~0 2)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or (< 1 ~waterLevel~0) .cse2 (< ~waterLevel~0 1))) (or .cse1 (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8)) (or (or .cse9 (= ~methaneLevelCritical~0 0)) (let ((.cse10 (not (= ~methAndRunningLastTime~0 1)))) (and (or .cse10 .cse5 .cse6 .cse8 .cse11) (or .cse10 .cse12 .cse5 .cse6 .cse11)))) (or .cse9 .cse12 .cse13 .cse6 .cse7 .cse11) (or (or (or .cse4 (or .cse13 .cse6 .cse7 .cse8)) .cse3) .cse1) (or .cse0 .cse1 (or .cse3 (or .cse2 .cse4))) (or .cse1 (or .cse13 .cse6 (not (= ~waterLevel~0 1)) .cse7 .cse8))))) [2018-12-01 22:34:12,499 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-12-01 22:34:12,499 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-12-01 22:34:12,499 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2018-12-01 22:34:12,499 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2018-12-01 22:34:12,499 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2018-12-01 22:34:12,499 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 517 546) no Hoare annotation was computed. [2018-12-01 22:34:12,500 INFO L451 ceAbstractionStarter]: At program point L542(lines 517 546) the Hoare annotation is: true [2018-12-01 22:34:12,500 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 517 546) the Hoare annotation is: true [2018-12-01 22:34:12,500 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-01 22:34:12,500 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 535) no Hoare annotation was computed. [2018-12-01 22:34:12,500 INFO L451 ceAbstractionStarter]: At program point L531-1(lines 531 535) the Hoare annotation is: true [2018-12-01 22:34:12,500 INFO L448 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2018-12-01 22:34:12,500 INFO L451 ceAbstractionStarter]: At program point L527-2(lines 527 541) the Hoare annotation is: true [2018-12-01 22:34:12,500 INFO L451 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: true [2018-12-01 22:34:12,500 INFO L448 ceAbstractionStarter]: For program point L523-1(line 523) no Hoare annotation was computed. [2018-12-01 22:34:12,500 INFO L448 ceAbstractionStarter]: For program point L129(lines 128 147) no Hoare annotation was computed. [2018-12-01 22:34:12,501 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 148) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse13 (<= ~waterLevel~0 2)) (.cse14 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (and .cse13 .cse14 .cse15)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse7 (< 2 |old(~waterLevel~0)|)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (and (<= ~waterLevel~0 1) .cse3 .cse14 .cse15)) (.cse12 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or (let ((.cse0 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) .cse1 .cse2) .cse3 .cse4) (or .cse5 .cse6 .cse7 (or .cse8 .cse9)) (or .cse6 (or .cse7 (or .cse9 .cse1) .cse4)) (or .cse3 .cse5 (or .cse7 (or .cse8 .cse9 .cse2))) (or .cse10 .cse8 .cse11 .cse12 .cse1 .cse2) (or (and .cse13 .cse3 .cse14 .cse15) (or (or .cse8 .cse9 .cse1 .cse2) .cse7)) (or .cse10 .cse8 .cse5 .cse11 .cse12 .cse2)))) [2018-12-01 22:34:12,501 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 148) no Hoare annotation was computed. [2018-12-01 22:34:12,501 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (let ((.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 1)) (.cse9 (< |old(~waterLevel~0)| 1)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (not (= ~systemActive~0 0))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (and .cse0 (<= 1 ~waterLevel~0) .cse1) (or .cse2 (or .cse3 .cse4) .cse5)) (or .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse6 .cse7 (and .cse0 .cse11 .cse12 .cse1) .cse9 .cse4 .cse10) (or (and (<= ~waterLevel~0 2) .cse11 .cse12 .cse1) (or (or .cse7 .cse3 .cse4 .cse10) .cse2)) (or .cse8 .cse2 (or .cse7 .cse3)) (or .cse11 (or (let ((.cse13 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse13) (or (not (= ~methaneLevelCritical~0 1)) .cse13))) .cse4 .cse10) .cse5))) [2018-12-01 22:34:12,501 INFO L444 ceAbstractionStarter]: At program point L136(lines 136 142) the Hoare annotation is: (let ((.cse22 (= ~methaneLevelCritical~0 1)) (.cse23 (= ~methaneLevelCritical~0 0))) (let ((.cse15 (not .cse23)) (.cse17 (not .cse22)) (.cse18 (<= ~waterLevel~0 2)) (.cse0 (<= ~waterLevel~0 1)) (.cse20 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse19 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse0 .cse20 .cse19)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (let ((.cse21 (= ~methAndRunningLastTime~0 0))) (or (and .cse21 .cse22) (and .cse21 .cse23)))) (.cse6 (and .cse18 .cse20 .cse19)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= ~systemActive~0 1))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse13 (< |old(~waterLevel~0)| 1)) (.cse9 (and .cse15 .cse17)) (.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse8 (= 0 ~methAndRunningLastTime~0))) (and (or (and (= 0 ~pumpRunning~0) .cse0 (<= 1 ~waterLevel~0)) (or .cse1 (or .cse2 .cse3) .cse4)) (or .cse5 .cse1 .cse6 (or .cse7 .cse2)) (or .cse8 (or (or .cse7 .cse9 .cse2 .cse3 .cse10) .cse1)) (or .cse11 .cse7 .cse12 .cse13 .cse3 .cse10) (or .cse11 .cse7 .cse5 .cse12 .cse13 .cse10) (or .cse14 (or (let ((.cse16 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse15 .cse16) (or .cse17 .cse16))) .cse3 .cse10) .cse4) (or .cse5 (or .cse1 (or .cse7 .cse9 .cse2 .cse10)) .cse14) (or (and .cse18 (= ~pumpRunning~0 1) .cse8 .cse19) .cse6 (or (or .cse7 .cse2 .cse3 .cse10) .cse1)) (or (or .cse11 .cse7 .cse13 .cse9 .cse3 .cse10) .cse8) (or (or .cse11 .cse7 .cse13 .cse9 .cse10) .cse5 .cse8))))) [2018-12-01 22:34:12,502 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 148) no Hoare annotation was computed. [2018-12-01 22:34:12,502 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse4 (< 1 |old(~waterLevel~0)|)) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse0 (or .cse1 .cse2) .cse3)) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse4 .cse5 .cse7 .cse2 .cse8) (or (or (let ((.cse9 (not (= |old(~waterLevel~0)| 2)))) (and (or (not (= ~methaneLevelCritical~0 0)) .cse9) (or (not (= ~methaneLevelCritical~0 1)) .cse9))) .cse2 .cse8) .cse3 (= 0 ~methAndRunningLastTime~0)) (or .cse6 .cse0 (or .cse5 .cse1)) (or (or .cse5 .cse1 .cse2 .cse8) .cse0))) [2018-12-01 22:34:12,502 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: (or (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (or (< 2 |old(~waterLevel~0)|) (or (not (= ~systemActive~0 1)) (< |old(~waterLevel~0)| 2)) (not (= 1 ~pumpRunning~0)))) [2018-12-01 22:34:12,502 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-12-01 22:34:12,502 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-12-01 22:34:12,502 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 571 577) no Hoare annotation was computed. [2018-12-01 22:34:12,502 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 571 577) the Hoare annotation is: true [2018-12-01 22:34:12,502 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:34:12,502 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-01 22:34:12,502 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:34:12,503 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:34:12,503 INFO L448 ceAbstractionStarter]: For program point L161(lines 161 178) no Hoare annotation was computed. [2018-12-01 22:34:12,503 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 157 181) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) .cse3) (or (< 1 ~waterLevel~0) .cse0 .cse3 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-12-01 22:34:12,503 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 157 181) no Hoare annotation was computed. [2018-12-01 22:34:12,503 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0)))) [2018-12-01 22:34:12,503 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 157 181) no Hoare annotation was computed. [2018-12-01 22:34:12,503 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 (< ~waterLevel~0 2) .cse2 .cse3) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) .cse1 .cse0 (< ~waterLevel~0 1) .cse2 .cse3))) [2018-12-01 22:34:12,503 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (< ~waterLevel~0 1) .cse1 .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-01 22:34:12,503 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 173) no Hoare annotation was computed. [2018-12-01 22:34:12,504 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2) (< 2 ~waterLevel~0) .cse3) (or (< 1 ~waterLevel~0) .cse0 .cse3 (< ~waterLevel~0 1) .cse1 .cse2))) [2018-12-01 22:34:12,504 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-12-01 22:34:12,504 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-12-01 22:34:12,504 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-12-01 22:34:12,504 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse10 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse5 .cse10)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse1 (and (<= ~waterLevel~0 2) .cse11)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~systemActive~0 0))) (.cse8 (< |old(~waterLevel~0)| 1)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse9 (and (<= ~waterLevel~0 1) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse3 .cse1 .cse4) (or (or .cse7 .cse8 .cse6 .cse4) .cse9) (or .cse2 .cse1 .cse10 .cse3 (not (= 1 ~pumpRunning~0))) (or .cse7 .cse0 .cse8 .cse4 .cse9 .cse5)))) [2018-12-01 22:34:12,504 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 613 620) no Hoare annotation was computed. [2018-12-01 22:34:12,504 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 617) no Hoare annotation was computed. [2018-12-01 22:34:12,504 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 613 620) the Hoare annotation is: true [2018-12-01 22:34:12,504 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 613 620) no Hoare annotation was computed. [2018-12-01 22:34:12,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:34:12 BoogieIcfgContainer [2018-12-01 22:34:12,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:34:12,514 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:34:12,514 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:34:12,514 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:34:12,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:33:40" (3/4) ... [2018-12-01 22:34:12,517 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:34:12,520 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:34:12,521 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 22:34:12,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 22:34:12,526 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-01 22:34:12,526 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-01 22:34:12,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 22:34:12,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-01 22:34:12,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 22:34:12,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 22:34:12,544 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((systemActive == 0 && 0 == pumpRunning) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || ((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 22:34:12,544 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 22:34:12,568 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ba87d1b1-78a1-4baa-a552-03f4f2680d5d/bin-2019/utaipan/witness.graphml [2018-12-01 22:34:12,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:34:12,569 INFO L168 Benchmark]: Toolchain (without parser) took 33187.82 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 947.0 MB in the beginning and 768.2 MB in the end (delta: 178.8 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-01 22:34:12,569 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:34:12,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:34:12,569 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:34:12,569 INFO L168 Benchmark]: Boogie Preprocessor took 21.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:34:12,570 INFO L168 Benchmark]: RCFGBuilder took 305.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:34:12,570 INFO L168 Benchmark]: TraceAbstraction took 32494.78 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 800.5 MB in the end (delta: 237.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-01 22:34:12,570 INFO L168 Benchmark]: Witness Printer took 54.13 ms. Allocated memory is still 2.5 GB. Free memory was 800.5 MB in the beginning and 768.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:34:12,571 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -141.8 MB). Peak memory consumption was 27.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.01 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 305.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.9 MB). Peak memory consumption was 47.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 32494.78 ms. Allocated memory was 1.1 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 800.5 MB in the end (delta: 237.7 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 54.13 ms. Allocated memory is still 2.5 GB. Free memory was 800.5 MB in the beginning and 768.2 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 617]: 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: 54]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (((((((((((((systemActive == 0 && 0 == pumpRunning) && 2 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1) || ((((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && waterLevel <= \old(waterLevel) + 1)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || (((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && 1 <= waterLevel) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || (((((0 == pumpRunning && waterLevel <= 1) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((((0 == pumpRunning && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) && waterLevel <= \old(waterLevel) + 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. SAFE Result, 32.4s OverallTime, 15 OverallIterations, 2 TraceHistogramMax, 12.2s AutomataDifference, 0.0s DeadEndRemovalTime, 13.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2930 SDtfs, 3559 SDslu, 8908 SDs, 0 SdLazy, 6226 SolverSat, 1378 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1262 GetRequests, 1075 SyntacticMatches, 22 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8951occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.6s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.9962979270865645 AbsIntWeakeningRatio, 0.8280254777070064 AbsIntAvgWeakeningVarsNumRemoved, 26.878980891719745 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 3974 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 11307 PreInvPairs, 11494 NumberOfFragments, 3920 HoareAnnotationTreeSize, 11307 FomulaSimplifications, 45896 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 83379 FormulaSimplificationTreeSizeReductionInter, 11.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2033 NumberOfCodeBlocks, 2033 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2472 ConstructedInterpolants, 0 QuantifiedInterpolants, 509851 SizeOfPredicates, 12 NumberOfNonLiveVariables, 2690 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 523/576 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...