./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 13:41:09,777 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 13:41:09,779 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 13:41:09,787 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 13:41:09,787 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 13:41:09,788 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 13:41:09,789 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 13:41:09,790 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 13:41:09,791 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 13:41:09,792 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 13:41:09,792 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 13:41:09,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 13:41:09,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 13:41:09,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 13:41:09,795 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 13:41:09,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 13:41:09,796 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 13:41:09,797 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 13:41:09,798 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 13:41:09,799 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 13:41:09,800 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 13:41:09,801 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 13:41:09,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 13:41:09,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 13:41:09,802 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 13:41:09,803 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 13:41:09,804 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 13:41:09,804 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 13:41:09,805 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 13:41:09,805 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 13:41:09,806 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 13:41:09,806 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 13:41:09,806 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 13:41:09,806 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 13:41:09,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 13:41:09,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 13:41:09,808 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 13:41:09,817 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 13:41:09,817 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 13:41:09,818 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 13:41:09,818 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 13:41:09,818 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 13:41:09,819 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 13:41:09,819 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 13:41:09,820 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 13:41:09,820 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 13:41:09,820 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 13:41:09,820 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 13:41:09,820 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 13:41:09,821 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 13:41:09,822 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 13:41:09,822 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 13:41:09,822 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 13:41:09,822 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 13:41:09,822 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 13:41:09,822 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 13:41:09,822 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 13:41:09,823 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 13:41:09,823 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 13:41:09,823 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 13:41:09,823 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 13:41:09,823 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 13:41:09,823 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_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-11-23 13:41:09,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 13:41:09,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 13:41:09,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 13:41:09,859 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 13:41:09,859 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 13:41:09,860 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-23 13:41:09,902 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/data/9696a29ee/ccee96f5a70e4e5ebae4e7f6ebe4ebed/FLAG5c4108596 [2018-11-23 13:41:10,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 13:41:10,271 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-23 13:41:10,281 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/data/9696a29ee/ccee96f5a70e4e5ebae4e7f6ebe4ebed/FLAG5c4108596 [2018-11-23 13:41:10,665 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/data/9696a29ee/ccee96f5a70e4e5ebae4e7f6ebe4ebed [2018-11-23 13:41:10,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 13:41:10,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 13:41:10,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 13:41:10,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 13:41:10,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 13:41:10,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:10" (1/1) ... [2018-11-23 13:41:10,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:10, skipping insertion in model container [2018-11-23 13:41:10,673 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:41:10" (1/1) ... [2018-11-23 13:41:10,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 13:41:10,706 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 13:41:10,901 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:41:10,910 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 13:41:11,003 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 13:41:11,021 INFO L195 MainTranslator]: Completed translation [2018-11-23 13:41:11,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11 WrapperNode [2018-11-23 13:41:11,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 13:41:11,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 13:41:11,022 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 13:41:11,022 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 13:41:11,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 13:41:11,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 13:41:11,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 13:41:11,042 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 13:41:11,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,050 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,050 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,057 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,064 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... [2018-11-23 13:41:11,066 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 13:41:11,067 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 13:41:11,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 13:41:11,067 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 13:41:11,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/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 [2018-11-23 13:41:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 13:41:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 13:41:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 13:41:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 13:41:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 13:41:11,100 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 13:41:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 13:41:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 13:41:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 13:41:11,101 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 13:41:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:41:11,102 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 13:41:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 13:41:11,103 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 13:41:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 13:41:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 13:41:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 13:41:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 13:41:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 13:41:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 13:41:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 13:41:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 13:41:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 13:41:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 13:41:11,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 13:41:11,523 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 13:41:11,523 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 13:41:11,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:11 BoogieIcfgContainer [2018-11-23 13:41:11,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 13:41:11,524 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 13:41:11,524 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 13:41:11,526 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 13:41:11,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:41:10" (1/3) ... [2018-11-23 13:41:11,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f43c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:11, skipping insertion in model container [2018-11-23 13:41:11,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:41:11" (2/3) ... [2018-11-23 13:41:11,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17f43c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:41:11, skipping insertion in model container [2018-11-23 13:41:11,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:11" (3/3) ... [2018-11-23 13:41:11,529 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-23 13:41:11,535 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 13:41:11,540 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 13:41:11,549 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 13:41:11,569 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 13:41:11,569 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 13:41:11,569 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 13:41:11,570 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 13:41:11,570 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 13:41:11,570 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 13:41:11,570 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 13:41:11,570 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 13:41:11,581 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-11-23 13:41:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 13:41:11,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:11,587 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] [2018-11-23 13:41:11,588 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:11,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:11,592 INFO L82 PathProgramCache]: Analyzing trace with hash -286614116, now seen corresponding path program 1 times [2018-11-23 13:41:11,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:11,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:11,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:11,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:11,629 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:11,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:11,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:11,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 13:41:11,783 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:11,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 13:41:11,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 13:41:11,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:41:11,800 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-11-23 13:41:11,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:11,831 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-11-23 13:41:11,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 13:41:11,832 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 13:41:11,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:11,839 INFO L225 Difference]: With dead ends: 288 [2018-11-23 13:41:11,839 INFO L226 Difference]: Without dead ends: 144 [2018-11-23 13:41:11,842 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 13:41:11,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-23 13:41:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-23 13:41:11,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-23 13:41:11,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-23 13:41:11,875 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2018-11-23 13:41:11,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:11,875 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-23 13:41:11,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 13:41:11,875 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-23 13:41:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 13:41:11,877 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:11,877 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] [2018-11-23 13:41:11,878 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:11,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:11,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1423575062, now seen corresponding path program 1 times [2018-11-23 13:41:11,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:11,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:11,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:11,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:11,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:11,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:11,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:11,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 13:41:11,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:11,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 13:41:11,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 13:41:11,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:41:11,951 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-11-23 13:41:11,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:11,971 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2018-11-23 13:41:11,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 13:41:11,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 13:41:11,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:11,973 INFO L225 Difference]: With dead ends: 233 [2018-11-23 13:41:11,973 INFO L226 Difference]: Without dead ends: 135 [2018-11-23 13:41:11,974 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 13:41:11,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-23 13:41:11,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-23 13:41:11,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-23 13:41:11,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2018-11-23 13:41:11,985 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2018-11-23 13:41:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:11,986 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2018-11-23 13:41:11,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 13:41:11,986 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2018-11-23 13:41:11,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 13:41:11,987 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:11,987 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:11,988 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:11,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:11,988 INFO L82 PathProgramCache]: Analyzing trace with hash 239457231, now seen corresponding path program 1 times [2018-11-23 13:41:11,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:11,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:11,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:11,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:11,989 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:12,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:12,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:12,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:12,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:41:12,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:12,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:41:12,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:41:12,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:41:12,106 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2018-11-23 13:41:12,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:12,333 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2018-11-23 13:41:12,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:41:12,333 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 13:41:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:12,335 INFO L225 Difference]: With dead ends: 246 [2018-11-23 13:41:12,335 INFO L226 Difference]: Without dead ends: 135 [2018-11-23 13:41:12,336 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:41:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-23 13:41:12,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-23 13:41:12,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-23 13:41:12,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-11-23 13:41:12,347 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2018-11-23 13:41:12,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:12,347 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-11-23 13:41:12,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:41:12,348 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-11-23 13:41:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 13:41:12,349 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:12,350 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] [2018-11-23 13:41:12,351 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:12,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:12,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361750, now seen corresponding path program 1 times [2018-11-23 13:41:12,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:12,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:12,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:12,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:12,352 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:12,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:12,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:12,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:12,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 13:41:12,448 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:12,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:41:12,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:41:12,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 13:41:12,449 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2018-11-23 13:41:12,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:12,827 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2018-11-23 13:41:12,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:41:12,827 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-23 13:41:12,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:12,828 INFO L225 Difference]: With dead ends: 347 [2018-11-23 13:41:12,828 INFO L226 Difference]: Without dead ends: 236 [2018-11-23 13:41:12,829 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:41:12,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-23 13:41:12,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2018-11-23 13:41:12,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-23 13:41:12,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2018-11-23 13:41:12,846 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2018-11-23 13:41:12,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:12,847 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2018-11-23 13:41:12,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:41:12,847 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2018-11-23 13:41:12,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-23 13:41:12,849 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:12,849 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] [2018-11-23 13:41:12,849 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:12,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:12,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1991990108, now seen corresponding path program 1 times [2018-11-23 13:41:12,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:12,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:12,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:12,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:12,850 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:12,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:12,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:12,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:41:12,923 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:12,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:41:12,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:41:12,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:41:12,924 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2018-11-23 13:41:13,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:13,161 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2018-11-23 13:41:13,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:41:13,162 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-23 13:41:13,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:13,165 INFO L225 Difference]: With dead ends: 588 [2018-11-23 13:41:13,165 INFO L226 Difference]: Without dead ends: 395 [2018-11-23 13:41:13,166 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:41:13,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-11-23 13:41:13,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-11-23 13:41:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-23 13:41:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2018-11-23 13:41:13,199 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2018-11-23 13:41:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:13,199 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2018-11-23 13:41:13,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:41:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2018-11-23 13:41:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 13:41:13,201 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:13,201 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] [2018-11-23 13:41:13,201 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:13,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash -70999840, now seen corresponding path program 1 times [2018-11-23 13:41:13,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:13,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:13,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:13,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:13,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 13:41:13,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:13,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 13:41:13,268 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:13,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 13:41:13,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 13:41:13,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:41:13,269 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2018-11-23 13:41:13,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:13,759 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2018-11-23 13:41:13,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 13:41:13,760 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-11-23 13:41:13,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:13,763 INFO L225 Difference]: With dead ends: 424 [2018-11-23 13:41:13,763 INFO L226 Difference]: Without dead ends: 421 [2018-11-23 13:41:13,764 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 13:41:13,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-23 13:41:13,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2018-11-23 13:41:13,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-23 13:41:13,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-11-23 13:41:13,789 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2018-11-23 13:41:13,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:13,789 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-11-23 13:41:13,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 13:41:13,789 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-11-23 13:41:13,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 13:41:13,791 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:13,791 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:13,791 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:13,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:13,791 INFO L82 PathProgramCache]: Analyzing trace with hash -1722369911, now seen corresponding path program 1 times [2018-11-23 13:41:13,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:13,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:13,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:13,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:13,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:13,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:41:13,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:13,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 13:41:13,845 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:13,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 13:41:13,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 13:41:13,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 13:41:13,846 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2018-11-23 13:41:13,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:13,882 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2018-11-23 13:41:13,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 13:41:13,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-23 13:41:13,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:13,884 INFO L225 Difference]: With dead ends: 768 [2018-11-23 13:41:13,885 INFO L226 Difference]: Without dead ends: 403 [2018-11-23 13:41:13,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:41:13,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-23 13:41:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-11-23 13:41:13,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-11-23 13:41:13,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2018-11-23 13:41:13,905 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2018-11-23 13:41:13,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:13,905 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2018-11-23 13:41:13,905 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 13:41:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2018-11-23 13:41:13,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 13:41:13,906 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:13,907 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:13,907 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:13,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:13,907 INFO L82 PathProgramCache]: Analyzing trace with hash -828883573, now seen corresponding path program 1 times [2018-11-23 13:41:13,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:13,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:13,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:13,908 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:13,908 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:41:14,011 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:14,011 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 13:41:14,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:14,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 13:41:14,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 13:41:14,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:41:14,012 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2018-11-23 13:41:14,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:14,045 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2018-11-23 13:41:14,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 13:41:14,046 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-23 13:41:14,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:14,048 INFO L225 Difference]: With dead ends: 788 [2018-11-23 13:41:14,048 INFO L226 Difference]: Without dead ends: 413 [2018-11-23 13:41:14,049 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 13:41:14,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-11-23 13:41:14,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-11-23 13:41:14,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-23 13:41:14,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2018-11-23 13:41:14,067 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2018-11-23 13:41:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:14,067 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2018-11-23 13:41:14,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 13:41:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2018-11-23 13:41:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-23 13:41:14,069 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:14,069 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:14,069 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:14,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:14,069 INFO L82 PathProgramCache]: Analyzing trace with hash -836642932, now seen corresponding path program 1 times [2018-11-23 13:41:14,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:14,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:14,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:14,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:14,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:14,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:41:14,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:14,155 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 13:41:14,155 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:14,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 13:41:14,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 13:41:14,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:41:14,155 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2018-11-23 13:41:14,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:14,374 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2018-11-23 13:41:14,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 13:41:14,375 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-23 13:41:14,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:14,378 INFO L225 Difference]: With dead ends: 1209 [2018-11-23 13:41:14,379 INFO L226 Difference]: Without dead ends: 826 [2018-11-23 13:41:14,380 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 13:41:14,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-11-23 13:41:14,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2018-11-23 13:41:14,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-23 13:41:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2018-11-23 13:41:14,420 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2018-11-23 13:41:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:14,420 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2018-11-23 13:41:14,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 13:41:14,420 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2018-11-23 13:41:14,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 13:41:14,422 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:14,422 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:14,422 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:14,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:14,422 INFO L82 PathProgramCache]: Analyzing trace with hash -835782670, now seen corresponding path program 1 times [2018-11-23 13:41:14,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:14,423 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:14,423 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:14,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:14,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 13:41:14,580 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:14,580 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:14,581 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-23 13:41:14,582 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [94], [99], [105], [108], [118], [119], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [158], [162], [195], [196], [204], [210], [213], [215], [218], [228], [231], [235], [236], [239], [241], [244], [246], [249], [258], [259], [260], [261], [262], [263], [264], [265], [266], [270], [272], [273], [280], [281], [282], [283], [284], [285], [288], [292], [293], [294], [295], [296], [297], [300], [301], [302], [308], [309], [310], [312], [313], [314], [315], [320], [321], [322], [323], [324] [2018-11-23 13:41:14,615 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:41:14,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:14,982 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 13:41:14,983 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2601 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2601 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 13:41:14,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:14,995 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 13:41:15,180 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.17% of their original sizes. [2018-11-23 13:41:15,180 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 13:41:15,349 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-11-23 13:41:15,349 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 13:41:15,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 13:41:15,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-11-23 13:41:15,350 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:15,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-11-23 13:41:15,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-11-23 13:41:15,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-11-23 13:41:15,352 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 24 states. [2018-11-23 13:41:20,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:20,448 INFO L93 Difference]: Finished difference Result 1791 states and 2112 transitions. [2018-11-23 13:41:20,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-11-23 13:41:20,448 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 103 [2018-11-23 13:41:20,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:20,452 INFO L225 Difference]: With dead ends: 1791 [2018-11-23 13:41:20,452 INFO L226 Difference]: Without dead ends: 1004 [2018-11-23 13:41:20,454 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 116 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 241 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=172, Invalid=1234, Unknown=0, NotChecked=0, Total=1406 [2018-11-23 13:41:20,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2018-11-23 13:41:20,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 1000. [2018-11-23 13:41:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1000 states. [2018-11-23 13:41:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 1000 states and 1132 transitions. [2018-11-23 13:41:20,499 INFO L78 Accepts]: Start accepts. Automaton has 1000 states and 1132 transitions. Word has length 103 [2018-11-23 13:41:20,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:20,500 INFO L480 AbstractCegarLoop]: Abstraction has 1000 states and 1132 transitions. [2018-11-23 13:41:20,500 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-11-23 13:41:20,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1132 transitions. [2018-11-23 13:41:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-23 13:41:20,503 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:20,503 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:20,504 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:20,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:20,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1202923825, now seen corresponding path program 1 times [2018-11-23 13:41:20,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:20,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:20,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:20,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:20,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:20,583 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 13:41:20,583 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:20,583 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:20,583 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-23 13:41:20,584 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [75], [79], [83], [86], [91], [94], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [155], [158], [162], [168], [195], [196], [199], [203], [204], [210], [213], [215], [218], [225], [228], [231], [235], [236], [239], [241], [244], [246], [249], [255], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [272], [273], [274], [275], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [324] [2018-11-23 13:41:20,587 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:41:20,587 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:21,156 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:41:21,156 INFO L272 AbstractInterpreter]: Visited 110 different actions 193 times. Merged at 9 different actions 14 times. Never widened. Performed 10694 root evaluator evaluations with a maximum evaluation depth of 3. Performed 10694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-23 13:41:21,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:21,163 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:41:21,163 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:21,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/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 [2018-11-23 13:41:21,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:21,171 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:41:21,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:21,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:41:21,300 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:41:21,545 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 13:41:21,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:41:21,562 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-23 13:41:21,562 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:21,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 13:41:21,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 13:41:21,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-23 13:41:21,563 INFO L87 Difference]: Start difference. First operand 1000 states and 1132 transitions. Second operand 5 states. [2018-11-23 13:41:22,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:22,226 INFO L93 Difference]: Finished difference Result 1905 states and 2275 transitions. [2018-11-23 13:41:22,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 13:41:22,227 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-11-23 13:41:22,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:22,232 INFO L225 Difference]: With dead ends: 1905 [2018-11-23 13:41:22,232 INFO L226 Difference]: Without dead ends: 1272 [2018-11-23 13:41:22,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-23 13:41:22,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2018-11-23 13:41:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1156. [2018-11-23 13:41:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1156 states. [2018-11-23 13:41:22,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1331 transitions. [2018-11-23 13:41:22,299 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1331 transitions. Word has length 161 [2018-11-23 13:41:22,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:22,299 INFO L480 AbstractCegarLoop]: Abstraction has 1156 states and 1331 transitions. [2018-11-23 13:41:22,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 13:41:22,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1331 transitions. [2018-11-23 13:41:22,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 13:41:22,302 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:22,302 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:22,302 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:22,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:22,302 INFO L82 PathProgramCache]: Analyzing trace with hash -880220171, now seen corresponding path program 1 times [2018-11-23 13:41:22,302 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:22,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:22,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:22,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:22,303 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:22,429 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 13:41:22,429 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:22,430 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 13:41:22,430 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 13:41:22,430 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [43], [45], [51], [55], [58], [59], [63], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [155], [158], [162], [168], [195], [196], [199], [203], [204], [210], [213], [215], [218], [225], [228], [231], [235], [236], [239], [241], [244], [246], [249], [255], [257], [258], [259], [260], [261], [262], [263], [264], [265], [266], [268], [269], [270], [272], [273], [274], [275], [278], [279], [280], [281], [282], [283], [284], [285], [288], [289], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [324] [2018-11-23 13:41:22,433 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 13:41:22,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 13:41:23,746 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 13:41:23,746 INFO L272 AbstractInterpreter]: Visited 133 different actions 906 times. Merged at 18 different actions 71 times. Never widened. Performed 32694 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32694 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 5 different actions. Largest state had 133 variables. [2018-11-23 13:41:23,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:23,759 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 13:41:23,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 13:41:23,759 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/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 [2018-11-23 13:41:23,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:23,770 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 13:41:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:23,874 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 13:41:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 13:41:23,977 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 13:41:24,221 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 13:41:24,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 13:41:24,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-23 13:41:24,236 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:24,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:41:24,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:41:24,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-23 13:41:24,237 INFO L87 Difference]: Start difference. First operand 1156 states and 1331 transitions. Second operand 9 states. [2018-11-23 13:41:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:24,986 INFO L93 Difference]: Finished difference Result 2547 states and 3204 transitions. [2018-11-23 13:41:24,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 13:41:24,987 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-23 13:41:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:24,994 INFO L225 Difference]: With dead ends: 2547 [2018-11-23 13:41:24,994 INFO L226 Difference]: Without dead ends: 1764 [2018-11-23 13:41:24,997 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-23 13:41:24,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2018-11-23 13:41:25,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1444. [2018-11-23 13:41:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2018-11-23 13:41:25,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 1673 transitions. [2018-11-23 13:41:25,074 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 1673 transitions. Word has length 157 [2018-11-23 13:41:25,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:25,075 INFO L480 AbstractCegarLoop]: Abstraction has 1444 states and 1673 transitions. [2018-11-23 13:41:25,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:41:25,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 1673 transitions. [2018-11-23 13:41:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 13:41:25,077 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 13:41:25,077 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 13:41:25,078 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 13:41:25,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 13:41:25,078 INFO L82 PathProgramCache]: Analyzing trace with hash -605460557, now seen corresponding path program 1 times [2018-11-23 13:41:25,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 13:41:25,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:25,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 13:41:25,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 13:41:25,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 13:41:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 13:41:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-23 13:41:25,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 13:41:25,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 13:41:25,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 13:41:25,169 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 13:41:25,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 13:41:25,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 13:41:25,169 INFO L87 Difference]: Start difference. First operand 1444 states and 1673 transitions. Second operand 9 states. [2018-11-23 13:41:25,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 13:41:25,249 INFO L93 Difference]: Finished difference Result 1848 states and 2139 transitions. [2018-11-23 13:41:25,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 13:41:25,249 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-23 13:41:25,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 13:41:25,250 INFO L225 Difference]: With dead ends: 1848 [2018-11-23 13:41:25,250 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 13:41:25,253 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 [2018-11-23 13:41:25,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 13:41:25,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 13:41:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 13:41:25,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 13:41:25,254 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-23 13:41:25,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 13:41:25,254 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 13:41:25,254 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 13:41:25,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 13:41:25,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 13:41:25,258 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 13:41:25,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 13:41:25,911 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2018-11-23 13:41:26,939 WARN L180 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 51 [2018-11-23 13:41:27,295 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-11-23 13:41:28,204 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-11-23 13:41:28,332 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-11-23 13:41:28,332 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-11-23 13:41:28,332 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-11-23 13:41:28,332 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-11-23 13:41:28,333 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-11-23 13:41:28,333 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,333 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,333 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,333 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-11-23 13:41:28,333 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-11-23 13:41:28,333 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-11-23 13:41:28,333 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-11-23 13:41:28,333 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,334 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,334 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-11-23 13:41:28,334 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-11-23 13:41:28,335 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-11-23 13:41:28,335 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse2) (or .cse1 .cse5 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-23 13:41:28,335 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 13:41:28,336 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 13:41:28,336 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse0) (or .cse5 .cse4 .cse1 .cse2))) [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-11-23 13:41:28,336 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-11-23 13:41:28,336 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-11-23 13:41:28,337 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-11-23 13:41:28,337 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-11-23 13:41:28,337 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,337 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 13:41:28,337 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-11-23 13:41:28,337 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-11-23 13:41:28,337 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4))) [2018-11-23 13:41:28,337 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-11-23 13:41:28,337 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse5 .cse3 .cse4))) [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L444 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 13:41:28,338 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-11-23 13:41:28,338 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-11-23 13:41:28,339 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 13:41:28,339 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-11-23 13:41:28,340 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse11 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) (and .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4)) (or .cse6 .cse4 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse0 .cse1 .cse2) .cse11))) [2018-11-23 13:41:28,341 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse13 (= ~systemActive~0 1)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse8 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse13 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< |old(~waterLevel~0)| 2)) (.cse3 (not .cse13)) (.cse10 (= 0 ~pumpRunning~0)) (.cse11 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse3) (or (or .cse0 .cse1 .cse3 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse7 .cse5) .cse6 .cse8 .cse3 .cse9) (or .cse8 (and .cse10 .cse11) (or .cse12 .cse3 .cse9)) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or (and .cse10 .cse7) (or .cse0 .cse12 .cse3) (and (not (= |old(~pumpRunning~0)| 0)) .cse10 .cse11))))) [2018-11-23 13:41:28,341 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-11-23 13:41:28,341 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-11-23 13:41:28,341 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-11-23 13:41:28,341 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-11-23 13:41:28,341 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-11-23 13:41:28,341 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-23 13:41:28,341 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-23 13:41:28,341 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-23 13:41:28,341 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-23 13:41:28,341 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-11-23 13:41:28,342 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-23 13:41:28,342 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-23 13:41:28,342 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 13:41:28,343 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 13:41:28,343 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 13:41:28,343 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 13:41:28,343 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-11-23 13:41:28,343 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 (or .cse1 .cse2 .cse4)) (or .cse0 .cse5 .cse3 .cse2 (not (= ~waterLevel~0 1))) (or .cse5 .cse3 (< ~waterLevel~0 1) .cse2 .cse4))) [2018-11-23 13:41:28,343 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-11-23 13:41:28,343 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 13:41:28,343 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 13:41:28,343 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-11-23 13:41:28,343 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse2 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (<= ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (and .cse2 .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (< ~waterLevel~0 1) .cse1 (and .cse2 .cse3 .cse4)) (or .cse0 .cse1 .cse5 (not (= ~waterLevel~0 1)) .cse6) (or .cse3 .cse0 .cse1 .cse5 .cse6)))) [2018-11-23 13:41:28,343 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (<= 2 ~waterLevel~0) .cse1) (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1) (or .cse3 .cse0 (< ~waterLevel~0 2) .cse2)) (or .cse3 .cse0 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 13:41:28,344 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 13:41:28,344 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-11-23 13:41:28,345 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-11-23 13:41:28,345 INFO L451 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-11-23 13:41:28,345 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-11-23 13:41:28,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:41:28 BoogieIcfgContainer [2018-11-23 13:41:28,355 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 13:41:28,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 13:41:28,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 13:41:28,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 13:41:28,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:41:11" (3/4) ... [2018-11-23 13:41:28,359 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 13:41:28,364 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 13:41:28,365 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 13:41:28,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 13:41:28,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 13:41:28,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 13:41:28,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 13:41:28,366 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 13:41:28,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 13:41:28,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 13:41:28,372 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 13:41:28,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 13:41:28,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 13:41:28,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:41:28,373 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 13:41:28,396 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:41:28,397 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 13:41:28,429 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7aa549a5-7f87-4e2d-9fd4-c8a80399e39a/bin-2019/utaipan/witness.graphml [2018-11-23 13:41:28,429 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 13:41:28,431 INFO L168 Benchmark]: Toolchain (without parser) took 17763.63 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 712.5 MB). Free memory was 956.4 MB in the beginning and 884.6 MB in the end (delta: 71.8 MB). Peak memory consumption was 784.3 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:28,431 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:28,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:28,432 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:28,432 INFO L168 Benchmark]: Boogie Preprocessor took 24.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 13:41:28,432 INFO L168 Benchmark]: RCFGBuilder took 456.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:28,432 INFO L168 Benchmark]: TraceAbstraction took 16831.17 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 556.3 MB). Free memory was 1.1 GB in the beginning and 901.3 MB in the end (delta: 181.2 MB). Peak memory consumption was 821.9 MB. Max. memory is 11.5 GB. [2018-11-23 13:41:28,433 INFO L168 Benchmark]: Witness Printer took 74.14 ms. Allocated memory is still 1.7 GB. Free memory was 901.3 MB in the beginning and 901.2 MB in the end (delta: 177.3 kB). Peak memory consumption was 177.3 kB. Max. memory is 11.5 GB. [2018-11-23 13:41:28,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -188.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 456.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.8 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16831.17 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 556.3 MB). Free memory was 1.1 GB in the beginning and 901.3 MB in the end (delta: 181.2 MB). Peak memory consumption was 821.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.14 ms. Allocated memory is still 1.7 GB. Free memory was 901.3 MB in the beginning and 901.2 MB in the end (delta: 177.3 kB). Peak memory consumption was 177.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 8.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2458 SDtfs, 1851 SDslu, 7848 SDs, 0 SdLazy, 3861 SolverSat, 750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 887 GetRequests, 757 SyntacticMatches, 6 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 448 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1444occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9967818434047467 AbsIntWeakeningRatio, 1.0686274509803921 AbsIntAvgWeakeningVarsNumRemoved, 83.32352941176471 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 522 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2344 PreInvPairs, 2444 NumberOfFragments, 2323 HoareAnnotationTreeSize, 2344 FomulaSimplifications, 13709 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 12593 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1565 NumberOfCodeBlocks, 1565 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 377262 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1775 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 251/269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...