./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_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_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/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 a22c1e90e019171affadaeb315d0122780579e6b ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:41:24,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:41:24,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:41:24,062 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:41:24,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:41:24,063 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:41:24,064 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:41:24,065 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:41:24,066 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:41:24,067 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:41:24,067 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:41:24,067 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:41:24,068 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:41:24,069 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:41:24,070 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:41:24,070 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:41:24,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:41:24,072 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:41:24,073 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:41:24,074 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:41:24,075 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:41:24,076 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:41:24,077 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:41:24,077 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:41:24,078 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:41:24,078 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:41:24,079 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:41:24,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:41:24,080 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:41:24,081 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:41:24,081 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:41:24,081 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:41:24,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:41:24,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:41:24,082 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:41:24,083 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:41:24,083 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 00:41:24,090 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:41:24,090 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:41:24,091 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 00:41:24,091 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 00:41:24,091 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 00:41:24,091 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 00:41:24,091 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 00:41:24,092 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 00:41:24,092 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 00:41:24,092 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 00:41:24,092 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 00:41:24,092 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 00:41:24,092 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 00:41:24,093 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 00:41:24,093 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:41:24,094 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:41:24,094 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:41:24,094 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 00:41:24,094 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:41:24,094 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:41:24,094 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 00:41:24,094 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 00:41:24,095 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 00:41:24,095 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 00:41:24,096 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_8f2aa557-4437-4046-8d9d-066e18bcf1b1/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 -> a22c1e90e019171affadaeb315d0122780579e6b [2018-11-23 00:41:24,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:41:24,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:41:24,131 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:41:24,132 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:41:24,133 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:41:24,133 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-23 00:41:24,177 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/data/cbb3763c2/f907385c3f434345bd643a49bf8a2c9d/FLAG9c81ffe89 [2018-11-23 00:41:24,625 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:41:24,626 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-23 00:41:24,635 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/data/cbb3763c2/f907385c3f434345bd643a49bf8a2c9d/FLAG9c81ffe89 [2018-11-23 00:41:24,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/data/cbb3763c2/f907385c3f434345bd643a49bf8a2c9d [2018-11-23 00:41:24,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:41:24,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:41:24,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:41:24,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:41:24,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:41:24,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:24" (1/1) ... [2018-11-23 00:41:24,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:24, skipping insertion in model container [2018-11-23 00:41:24,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:24" (1/1) ... [2018-11-23 00:41:24,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:41:24,689 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:41:24,887 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:41:24,896 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:41:25,000 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:41:25,019 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:41:25,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25 WrapperNode [2018-11-23 00:41:25,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:41:25,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:41:25,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:41:25,020 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:41:25,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:41:25,046 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:41:25,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:41:25,047 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:41:25,055 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,068 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... [2018-11-23 00:41:25,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:41:25,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:41:25,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:41:25,079 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:41:25,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/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 00:41:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 00:41:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 00:41:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 00:41:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 00:41:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 00:41:25,120 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 00:41:25,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:41:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 00:41:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 00:41:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 00:41:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 00:41:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 00:41:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 00:41:25,121 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 00:41:25,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 00:41:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 00:41:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 00:41:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 00:41:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 00:41:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 00:41:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 00:41:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 00:41:25,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 00:41:25,122 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 00:41:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 00:41:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 00:41:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 00:41:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 00:41:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 00:41:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 00:41:25,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 00:41:25,123 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 00:41:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 00:41:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 00:41:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 00:41:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 00:41:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 00:41:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 00:41:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 00:41:25,124 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 00:41:25,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 00:41:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 00:41:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 00:41:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 00:41:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 00:41:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 00:41:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 00:41:25,125 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 00:41:25,125 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 00:41:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 00:41:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 00:41:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 00:41:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 00:41:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 00:41:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 00:41:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:41:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 00:41:25,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 00:41:25,126 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 00:41:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 00:41:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 00:41:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 00:41:25,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:41:25,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:41:25,586 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:41:25,586 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 00:41:25,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:25 BoogieIcfgContainer [2018-11-23 00:41:25,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:41:25,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 00:41:25,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 00:41:25,590 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 00:41:25,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:41:24" (1/3) ... [2018-11-23 00:41:25,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b643ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:25, skipping insertion in model container [2018-11-23 00:41:25,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:25" (2/3) ... [2018-11-23 00:41:25,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30b643ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:41:25, skipping insertion in model container [2018-11-23 00:41:25,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:25" (3/3) ... [2018-11-23 00:41:25,593 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-23 00:41:25,602 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 00:41:25,609 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 00:41:25,623 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 00:41:25,651 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 00:41:25,652 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 00:41:25,652 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 00:41:25,652 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:41:25,652 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:41:25,652 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 00:41:25,652 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:41:25,652 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 00:41:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-23 00:41:25,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 00:41:25,675 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:25,676 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] [2018-11-23 00:41:25,678 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:25,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:25,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1967497921, now seen corresponding path program 1 times [2018-11-23 00:41:25,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:25,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:25,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:25,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:25,727 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:25,889 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 00:41:25,890 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:25,890 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 00:41:25,890 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:25,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 00:41:25,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 00:41:25,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 00:41:25,903 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-23 00:41:25,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:25,929 INFO L93 Difference]: Finished difference Result 282 states and 343 transitions. [2018-11-23 00:41:25,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 00:41:25,930 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 00:41:25,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:25,941 INFO L225 Difference]: With dead ends: 282 [2018-11-23 00:41:25,941 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 00:41:25,945 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 00:41:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 00:41:25,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-23 00:41:25,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-23 00:41:25,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 165 transitions. [2018-11-23 00:41:25,982 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 165 transitions. Word has length 59 [2018-11-23 00:41:25,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:25,983 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 165 transitions. [2018-11-23 00:41:25,983 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 00:41:25,983 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 165 transitions. [2018-11-23 00:41:25,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 00:41:25,985 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:25,985 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] [2018-11-23 00:41:25,985 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:25,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:25,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1179276103, now seen corresponding path program 1 times [2018-11-23 00:41:25,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:25,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:25,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:25,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:25,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:26,066 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 00:41:26,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:26,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:41:26,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:26,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:41:26,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:41:26,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:41:26,069 INFO L87 Difference]: Start difference. First operand 143 states and 165 transitions. Second operand 3 states. [2018-11-23 00:41:26,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:26,088 INFO L93 Difference]: Finished difference Result 218 states and 251 transitions. [2018-11-23 00:41:26,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:41:26,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 00:41:26,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:26,089 INFO L225 Difference]: With dead ends: 218 [2018-11-23 00:41:26,089 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 00:41:26,090 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 00:41:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 00:41:26,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 00:41:26,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 00:41:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 153 transitions. [2018-11-23 00:41:26,099 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 153 transitions. Word has length 60 [2018-11-23 00:41:26,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:26,099 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 153 transitions. [2018-11-23 00:41:26,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:41:26,099 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 153 transitions. [2018-11-23 00:41:26,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 00:41:26,100 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:26,100 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] [2018-11-23 00:41:26,100 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:26,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:26,100 INFO L82 PathProgramCache]: Analyzing trace with hash -302547009, now seen corresponding path program 1 times [2018-11-23 00:41:26,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:26,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:26,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:26,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:26,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:26,281 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 00:41:26,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:26,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:41:26,282 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:26,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:41:26,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:41:26,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:41:26,283 INFO L87 Difference]: Start difference. First operand 134 states and 153 transitions. Second operand 7 states. [2018-11-23 00:41:26,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:26,724 INFO L93 Difference]: Finished difference Result 402 states and 479 transitions. [2018-11-23 00:41:26,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 00:41:26,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 00:41:26,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:26,727 INFO L225 Difference]: With dead ends: 402 [2018-11-23 00:41:26,727 INFO L226 Difference]: Without dead ends: 296 [2018-11-23 00:41:26,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 00:41:26,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2018-11-23 00:41:26,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 272. [2018-11-23 00:41:26,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-23 00:41:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 322 transitions. [2018-11-23 00:41:26,759 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 322 transitions. Word has length 65 [2018-11-23 00:41:26,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:26,759 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 322 transitions. [2018-11-23 00:41:26,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:41:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 322 transitions. [2018-11-23 00:41:26,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 00:41:26,763 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:26,763 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] [2018-11-23 00:41:26,764 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:26,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:26,764 INFO L82 PathProgramCache]: Analyzing trace with hash 242721131, now seen corresponding path program 1 times [2018-11-23 00:41:26,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:26,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:26,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:26,766 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:26,766 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:26,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 00:41:26,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:26,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 00:41:26,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:26,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 00:41:26,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 00:41:26,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 00:41:26,882 INFO L87 Difference]: Start difference. First operand 272 states and 322 transitions. Second operand 7 states. [2018-11-23 00:41:27,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:27,373 INFO L93 Difference]: Finished difference Result 682 states and 859 transitions. [2018-11-23 00:41:27,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 00:41:27,374 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 00:41:27,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:27,376 INFO L225 Difference]: With dead ends: 682 [2018-11-23 00:41:27,376 INFO L226 Difference]: Without dead ends: 438 [2018-11-23 00:41:27,377 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 00:41:27,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-11-23 00:41:27,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 390. [2018-11-23 00:41:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2018-11-23 00:41:27,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 462 transitions. [2018-11-23 00:41:27,410 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 462 transitions. Word has length 70 [2018-11-23 00:41:27,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:27,411 INFO L480 AbstractCegarLoop]: Abstraction has 390 states and 462 transitions. [2018-11-23 00:41:27,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 00:41:27,411 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 462 transitions. [2018-11-23 00:41:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 00:41:27,413 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:27,413 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 00:41:27,413 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:27,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:27,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1416188496, now seen corresponding path program 1 times [2018-11-23 00:41:27,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:27,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:27,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:27,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:27,416 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:27,485 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 00:41:27,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:27,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 00:41:27,485 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:27,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 00:41:27,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 00:41:27,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 00:41:27,486 INFO L87 Difference]: Start difference. First operand 390 states and 462 transitions. Second operand 6 states. [2018-11-23 00:41:27,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:27,527 INFO L93 Difference]: Finished difference Result 766 states and 932 transitions. [2018-11-23 00:41:27,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 00:41:27,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-23 00:41:27,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:27,531 INFO L225 Difference]: With dead ends: 766 [2018-11-23 00:41:27,531 INFO L226 Difference]: Without dead ends: 404 [2018-11-23 00:41:27,532 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 00:41:27,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-23 00:41:27,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 400. [2018-11-23 00:41:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2018-11-23 00:41:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 472 transitions. [2018-11-23 00:41:27,555 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 472 transitions. Word has length 103 [2018-11-23 00:41:27,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:27,555 INFO L480 AbstractCegarLoop]: Abstraction has 400 states and 472 transitions. [2018-11-23 00:41:27,555 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 00:41:27,555 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 472 transitions. [2018-11-23 00:41:27,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 00:41:27,558 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:27,558 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 00:41:27,558 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:27,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:27,559 INFO L82 PathProgramCache]: Analyzing trace with hash 829390958, now seen corresponding path program 1 times [2018-11-23 00:41:27,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:27,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:27,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:27,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:27,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:27,629 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 00:41:27,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:27,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 00:41:27,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:27,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 00:41:27,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 00:41:27,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 00:41:27,630 INFO L87 Difference]: Start difference. First operand 400 states and 472 transitions. Second operand 8 states. [2018-11-23 00:41:27,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:27,689 INFO L93 Difference]: Finished difference Result 786 states and 952 transitions. [2018-11-23 00:41:27,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 00:41:27,689 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-23 00:41:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:27,691 INFO L225 Difference]: With dead ends: 786 [2018-11-23 00:41:27,692 INFO L226 Difference]: Without dead ends: 414 [2018-11-23 00:41:27,693 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 00:41:27,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2018-11-23 00:41:27,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 408. [2018-11-23 00:41:27,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 408 states. [2018-11-23 00:41:27,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 480 transitions. [2018-11-23 00:41:27,715 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 480 transitions. Word has length 103 [2018-11-23 00:41:27,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:27,715 INFO L480 AbstractCegarLoop]: Abstraction has 408 states and 480 transitions. [2018-11-23 00:41:27,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 00:41:27,715 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 480 transitions. [2018-11-23 00:41:27,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-23 00:41:27,718 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:27,718 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 00:41:27,718 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:27,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:27,719 INFO L82 PathProgramCache]: Analyzing trace with hash 1798971981, now seen corresponding path program 1 times [2018-11-23 00:41:27,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:27,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:27,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:27,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:27,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:27,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:27,810 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 00:41:27,810 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:27,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 00:41:27,810 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:27,811 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 00:41:27,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 00:41:27,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 00:41:27,812 INFO L87 Difference]: Start difference. First operand 408 states and 480 transitions. Second operand 4 states. [2018-11-23 00:41:28,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:28,031 INFO L93 Difference]: Finished difference Result 1274 states and 1571 transitions. [2018-11-23 00:41:28,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:41:28,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-23 00:41:28,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:28,035 INFO L225 Difference]: With dead ends: 1274 [2018-11-23 00:41:28,036 INFO L226 Difference]: Without dead ends: 894 [2018-11-23 00:41:28,039 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 00:41:28,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2018-11-23 00:41:28,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 877. [2018-11-23 00:41:28,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-11-23 00:41:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1058 transitions. [2018-11-23 00:41:28,088 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1058 transitions. Word has length 103 [2018-11-23 00:41:28,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:28,089 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1058 transitions. [2018-11-23 00:41:28,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 00:41:28,089 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1058 transitions. [2018-11-23 00:41:28,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 00:41:28,091 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:28,091 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, 1, 1, 1, 1] [2018-11-23 00:41:28,091 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:28,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:28,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1310725267, now seen corresponding path program 1 times [2018-11-23 00:41:28,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:28,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:28,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:28,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:28,095 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:28,262 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 00:41:28,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:28,263 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 00:41:28,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:28,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 00:41:28,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 00:41:28,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 00:41:28,263 INFO L87 Difference]: Start difference. First operand 877 states and 1058 transitions. Second operand 9 states. [2018-11-23 00:41:29,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:29,027 INFO L93 Difference]: Finished difference Result 2428 states and 3059 transitions. [2018-11-23 00:41:29,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 00:41:29,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2018-11-23 00:41:29,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:29,037 INFO L225 Difference]: With dead ends: 2428 [2018-11-23 00:41:29,037 INFO L226 Difference]: Without dead ends: 1755 [2018-11-23 00:41:29,039 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:41:29,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1755 states. [2018-11-23 00:41:29,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1755 to 1552. [2018-11-23 00:41:29,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1552 states. [2018-11-23 00:41:29,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1852 transitions. [2018-11-23 00:41:29,128 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1852 transitions. Word has length 107 [2018-11-23 00:41:29,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:29,129 INFO L480 AbstractCegarLoop]: Abstraction has 1552 states and 1852 transitions. [2018-11-23 00:41:29,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 00:41:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1852 transitions. [2018-11-23 00:41:29,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 00:41:29,132 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:29,132 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, 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] [2018-11-23 00:41:29,132 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:29,132 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:29,132 INFO L82 PathProgramCache]: Analyzing trace with hash 519249508, now seen corresponding path program 1 times [2018-11-23 00:41:29,132 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:29,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:29,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:29,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:29,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:29,257 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:41:29,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:41:29,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:41:29,258 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-23 00:41:29,260 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [63], [65], [66], [69], [72], [74], [77], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [134], [140], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [174], [175], [212], [215], [219], [225], [226], [227], [230], [234], [235], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [271], [272], [273], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317] [2018-11-23 00:41:29,291 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:41:29,291 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:41:30,704 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:41:30,705 INFO L272 AbstractInterpreter]: Visited 120 different actions 531 times. Merged at 16 different actions 46 times. Never widened. Performed 18336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-23 00:41:30,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:30,711 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:41:30,711 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:41:30,711 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/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 00:41:30,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:30,717 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:41:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:30,835 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:30,974 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:41:30,974 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:41:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 00:41:31,360 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:41:31,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 00:41:31,360 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:41:31,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 00:41:31,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 00:41:31,361 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 00:41:31,362 INFO L87 Difference]: Start difference. First operand 1552 states and 1852 transitions. Second operand 16 states. [2018-11-23 00:41:32,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:32,301 INFO L93 Difference]: Finished difference Result 3309 states and 4100 transitions. [2018-11-23 00:41:32,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 00:41:32,303 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-11-23 00:41:32,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:32,312 INFO L225 Difference]: With dead ends: 3309 [2018-11-23 00:41:32,312 INFO L226 Difference]: Without dead ends: 1955 [2018-11-23 00:41:32,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 294 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 00:41:32,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1955 states. [2018-11-23 00:41:32,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1955 to 1537. [2018-11-23 00:41:32,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1537 states. [2018-11-23 00:41:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1537 states to 1537 states and 1788 transitions. [2018-11-23 00:41:32,415 INFO L78 Accepts]: Start accepts. Automaton has 1537 states and 1788 transitions. Word has length 151 [2018-11-23 00:41:32,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:32,416 INFO L480 AbstractCegarLoop]: Abstraction has 1537 states and 1788 transitions. [2018-11-23 00:41:32,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 00:41:32,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1788 transitions. [2018-11-23 00:41:32,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-11-23 00:41:32,421 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:32,421 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 00:41:32,421 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:32,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:32,422 INFO L82 PathProgramCache]: Analyzing trace with hash 451022014, now seen corresponding path program 1 times [2018-11-23 00:41:32,422 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:32,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:32,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:32,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:32,423 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:32,505 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-11-23 00:41:32,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:41:32,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:41:32,506 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 00:41:32,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 00:41:32,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:41:32,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:41:32,506 INFO L87 Difference]: Start difference. First operand 1537 states and 1788 transitions. Second operand 3 states. [2018-11-23 00:41:32,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:32,572 INFO L93 Difference]: Finished difference Result 2430 states and 2832 transitions. [2018-11-23 00:41:32,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:41:32,572 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 274 [2018-11-23 00:41:32,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:32,577 INFO L225 Difference]: With dead ends: 2430 [2018-11-23 00:41:32,577 INFO L226 Difference]: Without dead ends: 955 [2018-11-23 00:41:32,580 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 00:41:32,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2018-11-23 00:41:32,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 935. [2018-11-23 00:41:32,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 935 states. [2018-11-23 00:41:32,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1072 transitions. [2018-11-23 00:41:32,631 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1072 transitions. Word has length 274 [2018-11-23 00:41:32,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:32,631 INFO L480 AbstractCegarLoop]: Abstraction has 935 states and 1072 transitions. [2018-11-23 00:41:32,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 00:41:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1072 transitions. [2018-11-23 00:41:32,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-11-23 00:41:32,636 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 00:41:32,636 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 00:41:32,636 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 00:41:32,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:32,637 INFO L82 PathProgramCache]: Analyzing trace with hash -562519819, now seen corresponding path program 1 times [2018-11-23 00:41:32,637 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 00:41:32,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:32,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:32,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:41:32,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 00:41:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 124 proven. 14 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-11-23 00:41:32,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:41:32,816 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 00:41:32,817 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 310 with the following transitions: [2018-11-23 00:41:32,817 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [50], [55], [56], [57], [58], [59], [63], [65], [66], [67], [68], [69], [72], [74], [77], [84], [87], [88], [92], [93], [94], [95], [104], [108], [112], [115], [118], [120], [126], [128], [131], [134], [137], [140], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [174], [175], [212], [215], [219], [222], [225], [226], [227], [230], [234], [235], [239], [240], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [262], [263], [264], [265], [266], [267], [269], [270], [271], [272], [273], [275], [276], [277], [278], [279], [280], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [297], [298], [299], [300], [301], [302], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317] [2018-11-23 00:41:32,820 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 00:41:32,820 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 00:41:34,527 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 00:41:34,527 INFO L272 AbstractInterpreter]: Visited 136 different actions 970 times. Merged at 24 different actions 93 times. Widened at 1 different actions 1 times. Performed 33576 root evaluator evaluations with a maximum evaluation depth of 3. Performed 33576 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 27 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-23 00:41:34,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:41:34,532 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 00:41:34,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 00:41:34,533 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/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 00:41:34,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:41:34,539 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 00:41:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:41:34,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 00:41:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 259 proven. 4 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2018-11-23 00:41:34,863 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 00:41:35,376 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2018-11-23 00:41:35,393 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 00:41:35,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-23 00:41:35,393 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 00:41:35,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 00:41:35,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 00:41:35,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-11-23 00:41:35,395 INFO L87 Difference]: Start difference. First operand 935 states and 1072 transitions. Second operand 19 states. [2018-11-23 00:41:36,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:41:36,882 INFO L93 Difference]: Finished difference Result 2360 states and 3010 transitions. [2018-11-23 00:41:36,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 00:41:36,884 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 309 [2018-11-23 00:41:36,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 00:41:36,884 INFO L225 Difference]: With dead ends: 2360 [2018-11-23 00:41:36,885 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 00:41:36,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 605 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-11-23 00:41:36,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 00:41:36,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 00:41:36,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 00:41:36,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 00:41:36,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 309 [2018-11-23 00:41:36,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 00:41:36,889 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:41:36,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 00:41:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:41:36,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 00:41:36,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 00:41:36,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:36,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:36,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,280 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,420 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 00:41:37,784 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-11-23 00:41:38,002 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-23 00:41:38,275 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-11-23 00:41:38,633 WARN L180 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-11-23 00:41:39,027 WARN L180 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 54 [2018-11-23 00:41:39,515 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-11-23 00:41:40,479 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-11-23 00:41:40,859 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-23 00:41:40,867 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2018-11-23 00:41:40,867 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2018-11-23 00:41:40,867 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2018-11-23 00:41:40,867 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2018-11-23 00:41:40,867 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2018-11-23 00:41:40,867 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 928 935) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 00:41:40,867 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2018-11-23 00:41:40,867 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 936 945) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse4 .cse5 (or .cse0 .cse2) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2 .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse5 (<= 1 ~switchedOnBeforeTS~0) (not (= ~waterLevel~0 1))))) [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L444 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (< 1 ~waterLevel~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse4) (or .cse3 .cse5 (or .cse6 .cse4)) (or .cse5 .cse4 (or .cse6 .cse2)) (or .cse3 (or .cse6 .cse1 .cse4)) (or .cse6 .cse1 .cse4 .cse2))) [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L444 ceAbstractionStarter]: At program point L956(line 956) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse7 (= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse5 .cse2)) (or .cse6 .cse7 (or .cse5 .cse1 .cse4)) (or .cse6 .cse0 .cse1 .cse4 .cse7) (or .cse6 .cse3 (or .cse5 .cse4) .cse7) (or .cse5 .cse1 .cse4 .cse2))) [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L451 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 894 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2018-11-23 00:41:40,868 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point L906-1(line 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 00:41:40,869 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2018-11-23 00:41:40,869 INFO L448 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2018-11-23 00:41:40,869 INFO L448 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,869 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point L694(line 694) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) (or (< 1 ~waterLevel~0) (or .cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 00:41:40,869 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 688 702) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (not (= ~waterLevel~0 2)))) (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-23 00:41:40,869 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2018-11-23 00:41:40,870 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 883 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L451 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L444 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse3 (or .cse1 .cse2 .cse0)) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2018-11-23 00:41:40,870 INFO L444 ceAbstractionStarter]: At program point L568(line 568) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= processEnvironment_~tmp~3 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 00:41:40,870 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (< 2 ~waterLevel~0) (and (= 2 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 00:41:40,871 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 554 578) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (or .cse4 .cse1 .cse2) .cse3) (or .cse3 .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L444 ceAbstractionStarter]: At program point L560(line 560) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse0 (or .cse3 .cse1 .cse2) .cse4) (or .cse4 .cse2 (or .cse3 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2018-11-23 00:41:40,871 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 713 780) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,871 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse3 (= ~pumpRunning~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse7 (= ~systemActive~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (and .cse9 .cse5)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (and .cse9 .cse4 .cse5))) (or (and .cse0 .cse1 .cse2) (and .cse1 .cse3 .cse4 .cse5) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse3 .cse4 .cse5 .cse2) (and .cse0 .cse6 .cse2) (and .cse7 .cse1 .cse8 .cse2) (and .cse7 .cse6 .cse8 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0))))) [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2018-11-23 00:41:40,871 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L444 ceAbstractionStarter]: At program point L773(lines 722 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 00:41:40,872 INFO L444 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 2 ~waterLevel~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse1) (and (<= ~waterLevel~0 1) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L444 ceAbstractionStarter]: At program point L761-1(lines 753 768) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2) (and .cse5 .cse4 .cse1 .cse2) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (and (and .cse5 .cse2) (= ~systemActive~0 0) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and .cse5 (<= ~waterLevel~0 2) .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (and .cse1 .cse3 .cse2) (not (= |old(~waterLevel~0)| 1)) (and (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and (<= ~waterLevel~0 2) .cse3 .cse2 .cse4))) [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse1 .cse2 .cse5) (and (= ~systemActive~0 0) .cse0 .cse3 .cse2 .cse5) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse2 .cse5) (and .cse6 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2018-11-23 00:41:40,872 INFO L444 ceAbstractionStarter]: At program point L770(lines 723 772) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse7 (<= ~waterLevel~0 1)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse4 .cse0 .cse3 .cse6) (and .cse4 .cse7 .cse2 .cse3 .cse6) (and .cse5 .cse4 .cse7 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 00:41:40,873 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 579 586) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:41:40,873 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:41:40,873 INFO L444 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2018-11-23 00:41:40,873 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 588 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 00:41:40,873 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-11-23 00:41:40,873 INFO L448 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L451 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-23 00:41:40,874 INFO L448 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L451 ceAbstractionStarter]: At program point L831-2(lines 831 845) the Hoare annotation is: true [2018-11-23 00:41:40,875 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2018-11-23 00:41:40,875 INFO L451 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L451 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L451 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2018-11-23 00:41:40,875 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse6 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse2 .cse5)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 0 ~pumpRunning~0) .cse3 .cse5)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse7 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse0) (or .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse8 .cse10) (or .cse1 (or .cse0 .cse8 .cse9) .cse11) (or (or .cse0 .cse8 .cse10) .cse11) (or .cse0 .cse8 .cse11 .cse4) (or (= 1 ~waterLevel~0) (or (or .cse8 .cse10) .cse7))))) [2018-11-23 00:41:40,875 INFO L444 ceAbstractionStarter]: At program point L533(lines 533 539) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse9 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (<= ~waterLevel~0 1) .cse4 .cse8)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) .cse5 .cse8)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and .cse4 .cse5)) (or .cse6 (and .cse4 .cse5 .cse7 .cse8) .cse9 .cse10 .cse2 .cse11) (or .cse0 (not (= ~systemActive~0 0)) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse9 .cse10 .cse2 .cse3) (or .cse6 (or .cse1 .cse2 .cse11) .cse0) (or .cse1 .cse2 .cse0 .cse7) (or (= 1 ~waterLevel~0) (or (or .cse2 .cse3) .cse10))))) [2018-11-23 00:41:40,875 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (let ((.cse6 (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= ~systemActive~0 0)) .cse0 .cse1) (or .cse1 .cse2 .cse3) (or .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (< 1 |old(~waterLevel~0)|) .cse4 .cse2 .cse5 .cse6) (or .cse6 (or (or .cse2 .cse3) .cse4)) (or (or .cse1 .cse2 .cse5) .cse0))) [2018-11-23 00:41:40,875 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse9 (or .cse7 .cse2 .cse3)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse6 (and (= 0 ~pumpRunning~0) .cse13)) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse0 .cse4) (or .cse10 .cse5 .cse7 .cse6) (or .cse7 .cse2 .cse6 .cse11) (or .cse10 .cse9 .cse6) (or .cse12 (or (or .cse2 .cse8) .cse1)) (or .cse10 .cse1 .cse2 .cse3 .cse12) (or .cse4 .cse5 (or .cse7 .cse3) .cse0) (or .cse6 (or .cse7 .cse2 .cse8)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse7 .cse5 (<= 1 ~switchedOnBeforeTS~0) .cse11)))) [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2018-11-23 00:41:40,875 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (or (< 2 |old(~waterLevel~0)|) (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 00:41:40,876 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2018-11-23 00:41:40,876 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2018-11-23 00:41:40,876 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2018-11-23 00:41:40,877 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-23 00:41:40,877 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-23 00:41:40,877 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse5 (or .cse4 .cse7)) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse8 .cse3 .cse6) (or (or .cse4 .cse7 (not (= |old(~waterLevel~0)| 1))) .cse3) (or .cse0 .cse5 .cse2 .cse3) (or .cse3 .cse1 .cse2 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse2 .cse3)))) [2018-11-23 00:41:40,877 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-11-23 00:41:40,877 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-11-23 00:41:40,877 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-11-23 00:41:40,877 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-11-23 00:41:40,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:41:40 BoogieIcfgContainer [2018-11-23 00:41:40,888 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 00:41:40,888 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:41:40,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:41:40,889 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:41:40,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:25" (3/4) ... [2018-11-23 00:41:40,892 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 00:41:40,899 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 00:41:40,900 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 00:41:40,901 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 00:41:40,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 00:41:40,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 00:41:40,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 00:41:40,902 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 00:41:40,909 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 00:41:40,909 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 00:41:40,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 00:41:40,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 00:41:40,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 00:41:40,910 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:41:40,911 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 00:41:40,932 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 00:41:40,933 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 00:41:40,963 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8f2aa557-4437-4046-8d9d-066e18bcf1b1/bin-2019/utaipan/witness.graphml [2018-11-23 00:41:40,963 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:41:40,964 INFO L168 Benchmark]: Toolchain (without parser) took 16316.96 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 739.2 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -482.4 MB). Peak memory consumption was 256.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:41:40,965 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:41:40,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:41:40,965 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.29 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 00:41:40,965 INFO L168 Benchmark]: Boogie Preprocessor took 31.74 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:41:40,965 INFO L168 Benchmark]: RCFGBuilder took 508.28 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:41:40,966 INFO L168 Benchmark]: TraceAbstraction took 15300.95 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 615.5 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -398.3 MB). Peak memory consumption was 876.5 MB. Max. memory is 11.5 GB. [2018-11-23 00:41:40,966 INFO L168 Benchmark]: Witness Printer took 74.80 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-23 00:41:40,967 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.29 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. * Boogie Preprocessor took 31.74 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 508.28 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: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15300.95 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 615.5 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -398.3 MB). Peak memory consumption was 876.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.80 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 922]: 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: 723]: Loop Invariant Derived loop invariant: (((((((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((systemActive == 0 && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 1 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 831]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 722]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 156 locations, 1 error locations. SAFE Result, 15.2s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 4.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2165 SDtfs, 1872 SDslu, 6601 SDs, 0 SdLazy, 5608 SolverSat, 798 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1082 GetRequests, 937 SyntacticMatches, 16 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1552occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 740 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2812 PreInvPairs, 3163 NumberOfFragments, 2547 HoareAnnotationTreeSize, 2812 FomulaSimplifications, 30362 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21488 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1864 NumberOfCodeBlocks, 1864 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2309 ConstructedInterpolants, 0 QuantifiedInterpolants, 723135 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2203 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1469/1558 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...