./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/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_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/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 0.1.23-5842f4b [2018-11-18 14:26:06,131 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:26:06,132 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:26:06,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:26:06,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:26:06,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:26:06,141 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:26:06,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:26:06,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:26:06,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:26:06,143 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:26:06,143 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:26:06,144 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:26:06,144 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:26:06,145 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:26:06,145 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:26:06,146 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:26:06,147 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:26:06,149 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:26:06,150 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:26:06,151 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:26:06,152 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:26:06,154 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:26:06,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:26:06,154 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:26:06,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:26:06,155 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:26:06,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:26:06,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:26:06,158 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:26:06,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:26:06,158 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:26:06,158 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:26:06,159 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:26:06,159 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:26:06,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:26:06,160 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 14:26:06,170 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:26:06,170 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:26:06,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 14:26:06,171 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 14:26:06,171 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 14:26:06,172 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 14:26:06,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:26:06,172 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:26:06,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:26:06,173 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:26:06,174 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 14:26:06,174 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:26:06,174 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:26:06,174 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 14:26:06,174 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 14:26:06,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 14:26:06,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:26:06,175 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 14:26:06,175 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 14:26:06,175 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 14:26:06,175 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 14:26:06,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 14:26:06,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 14:26:06,175 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_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/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 [2018-11-18 14:26:06,200 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:26:06,210 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:26:06,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:26:06,214 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:26:06,214 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:26:06,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-18 14:26:06,262 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/data/e05500d74/32f23c871e9d4f898526d6b95ed65578/FLAG17c84ab53 [2018-11-18 14:26:06,695 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:26:06,696 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/sv-benchmarks/c/product-lines/minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-18 14:26:06,704 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/data/e05500d74/32f23c871e9d4f898526d6b95ed65578/FLAG17c84ab53 [2018-11-18 14:26:06,713 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/data/e05500d74/32f23c871e9d4f898526d6b95ed65578 [2018-11-18 14:26:06,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:26:06,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:26:06,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:26:06,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:26:06,718 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:26:06,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:26:06" (1/1) ... [2018-11-18 14:26:06,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:06, skipping insertion in model container [2018-11-18 14:26:06,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:26:06" (1/1) ... [2018-11-18 14:26:06,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:26:06,758 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:26:06,954 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:26:06,962 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:26:07,052 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:26:07,070 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:26:07,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07 WrapperNode [2018-11-18 14:26:07,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:26:07,071 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:26:07,071 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:26:07,072 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:26:07,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:26:07,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:26:07,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:26:07,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:26:07,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... [2018-11-18 14:26:07,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:26:07,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:26:07,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:26:07,120 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:26:07,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/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 [2018-11-18 14:26:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 14:26:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 14:26:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 14:26:07,155 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 14:26:07,155 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 14:26:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 14:26:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:26:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 14:26:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 14:26:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 14:26:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 14:26:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 14:26:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 14:26:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 14:26:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 14:26:07,156 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 14:26:07,156 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 14:26:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 14:26:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 14:26:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 14:26:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 14:26:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 14:26:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 14:26:07,157 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 14:26:07,157 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 14:26:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 14:26:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 14:26:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 14:26:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 14:26:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 14:26:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 14:26:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 14:26:07,158 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 14:26:07,158 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 14:26:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 14:26:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 14:26:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 14:26:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 14:26:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 14:26:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 14:26:07,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 14:26:07,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 14:26:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 14:26:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 14:26:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 14:26:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 14:26:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 14:26:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 14:26:07,160 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 14:26:07,160 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 14:26:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 14:26:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 14:26:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 14:26:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 14:26:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 14:26:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 14:26:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 14:26:07,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 14:26:07,161 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 14:26:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 14:26:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 14:26:07,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:26:07,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:26:07,583 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:26:07,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:26:07 BoogieIcfgContainer [2018-11-18 14:26:07,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:26:07,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 14:26:07,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 14:26:07,586 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 14:26:07,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 02:26:06" (1/3) ... [2018-11-18 14:26:07,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51babac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:26:07, skipping insertion in model container [2018-11-18 14:26:07,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:26:07" (2/3) ... [2018-11-18 14:26:07,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51babac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 02:26:07, skipping insertion in model container [2018-11-18 14:26:07,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:26:07" (3/3) ... [2018-11-18 14:26:07,589 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product44_true-unreach-call_false-termination.cil.c [2018-11-18 14:26:07,595 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 14:26:07,601 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 14:26:07,610 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 14:26:07,632 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 14:26:07,632 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 14:26:07,633 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 14:26:07,633 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:26:07,633 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:26:07,633 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 14:26:07,633 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:26:07,633 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 14:26:07,645 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states. [2018-11-18 14:26:07,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 14:26:07,651 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:07,651 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:07,654 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:07,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:07,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1456027651, now seen corresponding path program 1 times [2018-11-18 14:26:07,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:07,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:07,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:07,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:07,694 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:07,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:07,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:07,870 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:07,870 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 14:26:07,870 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:07,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 14:26:07,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 14:26:07,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 14:26:07,889 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 2 states. [2018-11-18 14:26:07,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:07,919 INFO L93 Difference]: Finished difference Result 286 states and 347 transitions. [2018-11-18 14:26:07,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 14:26:07,921 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 14:26:07,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:07,932 INFO L225 Difference]: With dead ends: 286 [2018-11-18 14:26:07,932 INFO L226 Difference]: Without dead ends: 145 [2018-11-18 14:26:07,936 INFO L604 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 [2018-11-18 14:26:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-11-18 14:26:07,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 14:26:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 14:26:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 167 transitions. [2018-11-18 14:26:07,972 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 167 transitions. Word has length 59 [2018-11-18 14:26:07,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:07,973 INFO L480 AbstractCegarLoop]: Abstraction has 145 states and 167 transitions. [2018-11-18 14:26:07,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 14:26:07,973 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 167 transitions. [2018-11-18 14:26:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 14:26:07,975 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:07,975 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:07,975 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:07,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:07,975 INFO L82 PathProgramCache]: Analyzing trace with hash 196554171, now seen corresponding path program 1 times [2018-11-18 14:26:07,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:07,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:07,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:07,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:07,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:08,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:08,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:08,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:26:08,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:08,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:26:08,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:26:08,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:26:08,066 INFO L87 Difference]: Start difference. First operand 145 states and 167 transitions. Second operand 3 states. [2018-11-18 14:26:08,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:08,083 INFO L93 Difference]: Finished difference Result 220 states and 253 transitions. [2018-11-18 14:26:08,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:26:08,084 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 14:26:08,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:08,085 INFO L225 Difference]: With dead ends: 220 [2018-11-18 14:26:08,086 INFO L226 Difference]: Without dead ends: 135 [2018-11-18 14:26:08,087 INFO L604 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 [2018-11-18 14:26:08,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-18 14:26:08,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-18 14:26:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-18 14:26:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 154 transitions. [2018-11-18 14:26:08,098 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 154 transitions. Word has length 61 [2018-11-18 14:26:08,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:08,098 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 154 transitions. [2018-11-18 14:26:08,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:26:08,098 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 154 transitions. [2018-11-18 14:26:08,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 14:26:08,100 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:08,100 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:08,100 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:08,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:08,100 INFO L82 PathProgramCache]: Analyzing trace with hash -516974275, now seen corresponding path program 1 times [2018-11-18 14:26:08,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:08,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:08,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:08,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:08,102 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:08,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:08,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:26:08,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:08,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:26:08,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:26:08,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:08,218 INFO L87 Difference]: Start difference. First operand 135 states and 154 transitions. Second operand 7 states. [2018-11-18 14:26:08,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:08,745 INFO L93 Difference]: Finished difference Result 406 states and 483 transitions. [2018-11-18 14:26:08,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 14:26:08,746 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 14:26:08,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:08,748 INFO L225 Difference]: With dead ends: 406 [2018-11-18 14:26:08,748 INFO L226 Difference]: Without dead ends: 299 [2018-11-18 14:26:08,749 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 14:26:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-11-18 14:26:08,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 275. [2018-11-18 14:26:08,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-11-18 14:26:08,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 325 transitions. [2018-11-18 14:26:08,786 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 325 transitions. Word has length 66 [2018-11-18 14:26:08,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:08,786 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 325 transitions. [2018-11-18 14:26:08,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:26:08,786 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 325 transitions. [2018-11-18 14:26:08,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 14:26:08,788 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:08,788 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:08,789 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:08,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:08,789 INFO L82 PathProgramCache]: Analyzing trace with hash 1454095473, now seen corresponding path program 1 times [2018-11-18 14:26:08,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:08,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:08,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:08,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:08,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:08,929 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 14:26:08,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:08,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 14:26:08,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:08,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 14:26:08,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 14:26:08,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 14:26:08,933 INFO L87 Difference]: Start difference. First operand 275 states and 325 transitions. Second operand 7 states. [2018-11-18 14:26:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:09,434 INFO L93 Difference]: Finished difference Result 693 states and 870 transitions. [2018-11-18 14:26:09,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 14:26:09,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 14:26:09,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:09,437 INFO L225 Difference]: With dead ends: 693 [2018-11-18 14:26:09,438 INFO L226 Difference]: Without dead ends: 446 [2018-11-18 14:26:09,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 14:26:09,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2018-11-18 14:26:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 395. [2018-11-18 14:26:09,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-18 14:26:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 467 transitions. [2018-11-18 14:26:09,469 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 467 transitions. Word has length 71 [2018-11-18 14:26:09,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:09,469 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 467 transitions. [2018-11-18 14:26:09,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 14:26:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 467 transitions. [2018-11-18 14:26:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:26:09,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:09,472 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:09,472 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:09,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:09,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1631787749, now seen corresponding path program 1 times [2018-11-18 14:26:09,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:09,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:09,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,475 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:09,544 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:09,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:09,545 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 14:26:09,545 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:09,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 14:26:09,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:26:09,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:26:09,546 INFO L87 Difference]: Start difference. First operand 395 states and 467 transitions. Second operand 6 states. [2018-11-18 14:26:09,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:09,585 INFO L93 Difference]: Finished difference Result 776 states and 942 transitions. [2018-11-18 14:26:09,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:26:09,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 14:26:09,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:09,588 INFO L225 Difference]: With dead ends: 776 [2018-11-18 14:26:09,588 INFO L226 Difference]: Without dead ends: 409 [2018-11-18 14:26:09,589 INFO L604 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 [2018-11-18 14:26:09,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-18 14:26:09,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 405. [2018-11-18 14:26:09,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2018-11-18 14:26:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 477 transitions. [2018-11-18 14:26:09,610 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 477 transitions. Word has length 104 [2018-11-18 14:26:09,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:09,610 INFO L480 AbstractCegarLoop]: Abstraction has 405 states and 477 transitions. [2018-11-18 14:26:09,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 14:26:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 477 transitions. [2018-11-18 14:26:09,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:26:09,612 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:09,612 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:09,612 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:09,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:09,613 INFO L82 PathProgramCache]: Analyzing trace with hash -417600093, now seen corresponding path program 1 times [2018-11-18 14:26:09,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:09,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,613 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:09,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,614 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:09,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:09,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:09,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 14:26:09,692 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:09,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 14:26:09,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 14:26:09,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 14:26:09,693 INFO L87 Difference]: Start difference. First operand 405 states and 477 transitions. Second operand 8 states. [2018-11-18 14:26:09,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:09,728 INFO L93 Difference]: Finished difference Result 796 states and 962 transitions. [2018-11-18 14:26:09,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 14:26:09,728 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 14:26:09,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:09,730 INFO L225 Difference]: With dead ends: 796 [2018-11-18 14:26:09,730 INFO L226 Difference]: Without dead ends: 419 [2018-11-18 14:26:09,731 INFO L604 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 [2018-11-18 14:26:09,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2018-11-18 14:26:09,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 413. [2018-11-18 14:26:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-11-18 14:26:09,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 485 transitions. [2018-11-18 14:26:09,747 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 485 transitions. Word has length 104 [2018-11-18 14:26:09,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:09,748 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 485 transitions. [2018-11-18 14:26:09,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 14:26:09,748 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 485 transitions. [2018-11-18 14:26:09,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 14:26:09,749 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:09,750 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:09,750 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:09,750 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:09,750 INFO L82 PathProgramCache]: Analyzing trace with hash 551980930, now seen corresponding path program 1 times [2018-11-18 14:26:09,750 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:09,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,751 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:09,751 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:09,751 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:09,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:09,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:09,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 14:26:09,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:09,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 14:26:09,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 14:26:09,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 14:26:09,829 INFO L87 Difference]: Start difference. First operand 413 states and 485 transitions. Second operand 4 states. [2018-11-18 14:26:10,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:10,025 INFO L93 Difference]: Finished difference Result 1292 states and 1589 transitions. [2018-11-18 14:26:10,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 14:26:10,026 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 14:26:10,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:10,030 INFO L225 Difference]: With dead ends: 1292 [2018-11-18 14:26:10,030 INFO L226 Difference]: Without dead ends: 907 [2018-11-18 14:26:10,032 INFO L604 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 [2018-11-18 14:26:10,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2018-11-18 14:26:10,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 890. [2018-11-18 14:26:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-11-18 14:26:10,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1071 transitions. [2018-11-18 14:26:10,094 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1071 transitions. Word has length 104 [2018-11-18 14:26:10,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:10,095 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1071 transitions. [2018-11-18 14:26:10,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 14:26:10,095 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1071 transitions. [2018-11-18 14:26:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 14:26:10,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:10,097 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:26:10,098 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:10,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:10,098 INFO L82 PathProgramCache]: Analyzing trace with hash -396809528, now seen corresponding path program 1 times [2018-11-18 14:26:10,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:10,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:10,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:10,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:10,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:10,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 14:26:10,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:10,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 14:26:10,247 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:10,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 14:26:10,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 14:26:10,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 14:26:10,248 INFO L87 Difference]: Start difference. First operand 890 states and 1071 transitions. Second operand 9 states. [2018-11-18 14:26:10,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:10,938 INFO L93 Difference]: Finished difference Result 2462 states and 3093 transitions. [2018-11-18 14:26:10,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 14:26:10,938 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2018-11-18 14:26:10,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:10,946 INFO L225 Difference]: With dead ends: 2462 [2018-11-18 14:26:10,946 INFO L226 Difference]: Without dead ends: 1779 [2018-11-18 14:26:10,948 INFO L604 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 [2018-11-18 14:26:10,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2018-11-18 14:26:11,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1575. [2018-11-18 14:26:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1575 states. [2018-11-18 14:26:11,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 1875 transitions. [2018-11-18 14:26:11,036 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 1875 transitions. Word has length 108 [2018-11-18 14:26:11,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:11,036 INFO L480 AbstractCegarLoop]: Abstraction has 1575 states and 1875 transitions. [2018-11-18 14:26:11,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 14:26:11,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1875 transitions. [2018-11-18 14:26:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 14:26:11,039 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:11,039 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 14:26:11,039 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:11,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:11,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1461733623, now seen corresponding path program 1 times [2018-11-18 14:26:11,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:11,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:11,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:11,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:11,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:11,160 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:26:11,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:11,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:11,161 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 14:26:11,163 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], [99], [105], [109], [113], [116], [119], [121], [127], [129], [135], [141], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [175], [176], [214], [217], [221], [227], [228], [229], [232], [236], [237], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [267], [268], [269], [273], [274], [275], [277], [278], [279], [280], [281], [282], [285], [286], [287], [288], [295], [296], [299], [300], [301], [302], [303], [304], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319] [2018-11-18 14:26:11,198 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:11,199 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:12,757 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:12,758 INFO L272 AbstractInterpreter]: Visited 121 different actions 534 times. Merged at 17 different actions 48 times. Never widened. Performed 18363 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18363 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 14:26:12,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:12,786 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:12,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:12,786 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/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 [2018-11-18 14:26:12,798 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:12,798 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:12,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:13,057 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:26:13,058 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:13,376 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 14:26:13,402 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:26:13,402 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 14:26:13,403 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:26:13,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 14:26:13,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 14:26:13,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 14:26:13,404 INFO L87 Difference]: Start difference. First operand 1575 states and 1875 transitions. Second operand 16 states. [2018-11-18 14:26:14,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:14,502 INFO L93 Difference]: Finished difference Result 3357 states and 4148 transitions. [2018-11-18 14:26:14,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 14:26:14,503 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 153 [2018-11-18 14:26:14,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:14,511 INFO L225 Difference]: With dead ends: 3357 [2018-11-18 14:26:14,511 INFO L226 Difference]: Without dead ends: 1983 [2018-11-18 14:26:14,515 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 298 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 14:26:14,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1983 states. [2018-11-18 14:26:14,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1983 to 1562. [2018-11-18 14:26:14,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1562 states. [2018-11-18 14:26:14,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 1813 transitions. [2018-11-18 14:26:14,615 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 1813 transitions. Word has length 153 [2018-11-18 14:26:14,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:14,616 INFO L480 AbstractCegarLoop]: Abstraction has 1562 states and 1813 transitions. [2018-11-18 14:26:14,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 14:26:14,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 1813 transitions. [2018-11-18 14:26:14,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-11-18 14:26:14,621 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:14,622 INFO L375 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, 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] [2018-11-18 14:26:14,622 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:14,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:14,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1206777980, now seen corresponding path program 1 times [2018-11-18 14:26:14,622 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:14,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:14,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:14,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:14,623 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:14,725 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-11-18 14:26:14,725 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:26:14,725 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:26:14,725 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 14:26:14,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 14:26:14,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:26:14,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:26:14,726 INFO L87 Difference]: Start difference. First operand 1562 states and 1813 transitions. Second operand 3 states. [2018-11-18 14:26:14,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:14,848 INFO L93 Difference]: Finished difference Result 2469 states and 2871 transitions. [2018-11-18 14:26:14,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:26:14,849 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 278 [2018-11-18 14:26:14,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:14,853 INFO L225 Difference]: With dead ends: 2469 [2018-11-18 14:26:14,853 INFO L226 Difference]: Without dead ends: 970 [2018-11-18 14:26:14,857 INFO L604 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 [2018-11-18 14:26:14,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2018-11-18 14:26:14,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 950. [2018-11-18 14:26:14,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 950 states. [2018-11-18 14:26:14,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1087 transitions. [2018-11-18 14:26:14,908 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1087 transitions. Word has length 278 [2018-11-18 14:26:14,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:14,909 INFO L480 AbstractCegarLoop]: Abstraction has 950 states and 1087 transitions. [2018-11-18 14:26:14,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 14:26:14,909 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1087 transitions. [2018-11-18 14:26:14,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-11-18 14:26:14,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 14:26:14,914 INFO L375 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, 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] [2018-11-18 14:26:14,914 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 14:26:14,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:14,914 INFO L82 PathProgramCache]: Analyzing trace with hash 922682442, now seen corresponding path program 1 times [2018-11-18 14:26:14,914 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 14:26:14,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:14,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:14,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:26:14,915 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 14:26:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:15,106 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 130 proven. 14 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2018-11-18 14:26:15,107 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:15,107 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 14:26:15,107 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 315 with the following transitions: [2018-11-18 14:26:15,107 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], [99], [105], [109], [113], [116], [119], [121], [127], [129], [132], [135], [138], [141], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [175], [176], [214], [217], [221], [224], [227], [228], [229], [232], [236], [237], [241], [242], [245], [249], [250], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [267], [268], [269], [271], [272], [273], [274], [275], [277], [278], [279], [280], [281], [282], [285], [286], [287], [288], [291], [292], [293], [294], [295], [296], [299], [300], [301], [302], [303], [304], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [319] [2018-11-18 14:26:15,111 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 14:26:15,111 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 14:26:17,249 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 14:26:17,249 INFO L272 AbstractInterpreter]: Visited 137 different actions 1344 times. Merged at 25 different actions 124 times. Never widened. Performed 49088 root evaluator evaluations with a maximum evaluation depth of 3. Performed 49088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 36 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 14:26:17,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:26:17,253 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 14:26:17,253 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 14:26:17,253 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/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 [2018-11-18 14:26:17,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:26:17,262 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 14:26:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:26:17,419 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 14:26:17,688 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 265 proven. 5 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-11-18 14:26:17,688 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 14:26:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 110 proven. 49 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-11-18 14:26:18,225 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 14:26:18,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-18 14:26:18,225 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 14:26:18,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 14:26:18,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 14:26:18,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=588, Unknown=0, NotChecked=0, Total=702 [2018-11-18 14:26:18,227 INFO L87 Difference]: Start difference. First operand 950 states and 1087 transitions. Second operand 19 states. [2018-11-18 14:26:19,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:26:19,942 INFO L93 Difference]: Finished difference Result 2407 states and 3057 transitions. [2018-11-18 14:26:19,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 14:26:19,943 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 314 [2018-11-18 14:26:19,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 14:26:19,944 INFO L225 Difference]: With dead ends: 2407 [2018-11-18 14:26:19,944 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 14:26:19,948 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 669 GetRequests, 615 SyntacticMatches, 10 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 397 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=420, Invalid=1650, Unknown=0, NotChecked=0, Total=2070 [2018-11-18 14:26:19,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 14:26:19,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 14:26:19,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 14:26:19,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 14:26:19,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2018-11-18 14:26:19,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 14:26:19,949 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 14:26:19,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 14:26:19,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 14:26:19,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 14:26:19,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 14:26:20,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,550 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 14:26:20,758 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2018-11-18 14:26:21,044 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 37 [2018-11-18 14:26:21,309 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 42 [2018-11-18 14:26:21,658 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 51 [2018-11-18 14:26:21,990 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 53 [2018-11-18 14:26:22,517 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-11-18 14:26:23,401 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 52 [2018-11-18 14:26:23,783 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 33 [2018-11-18 14:26:23,789 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 803 809) the Hoare annotation is: true [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 803 809) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 810 818) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 810 818) the Hoare annotation is: true [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 810 818) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L421 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))) [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 928 935) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 928 935) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L421 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))))) [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point L941(line 941) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 936 945) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 936 945) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L421 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))) [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point L959(lines 959 965) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point L958(lines 958 968) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L421 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))) [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point L956-1(line 956) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 971) no Hoare annotation was computed. [2018-11-18 14:26:23,790 INFO L425 ceAbstractionStarter]: For program point L954-1(lines 946 974) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L428 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: true [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point L952-1(line 952) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 946 974) the Hoare annotation is: true [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 946 974) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L421 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))) [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 894 916) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 894 916) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L421 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))) [2018-11-18 14:26:23,791 INFO L421 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))) [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point L904(lines 904 911) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point L904-1(lines 904 911) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point L902(line 902) no Hoare annotation was computed. [2018-11-18 14:26:23,791 INFO L421 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))) [2018-11-18 14:26:23,791 INFO L421 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))) [2018-11-18 14:26:23,791 INFO L421 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))) [2018-11-18 14:26:23,791 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 688 702) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L421 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))))) [2018-11-18 14:26:23,792 INFO L421 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)))) [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 688 702) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point L692(lines 692 698) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 624 632) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 624 632) the Hoare annotation is: true [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 624 632) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 796 802) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 796 802) the Hoare annotation is: true [2018-11-18 14:26:23,792 INFO L421 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))) [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 883 893) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L421 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))) [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 883 893) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 613 623) the Hoare annotation is: true [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 613 623) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L428 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: true [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point L618-1(line 618) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 613 623) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 605 612) the Hoare annotation is: (or (= ~pumpRunning~0 1) (not (= 1 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0)) [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 605 612) no Hoare annotation was computed. [2018-11-18 14:26:23,792 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 605 612) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L421 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)))) [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 554 578) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L421 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))))) [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 554 578) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L421 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))))) [2018-11-18 14:26:23,793 INFO L421 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)))))) [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point L562(lines 562 570) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L421 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)))))) [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point L560-1(line 560) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point L558(lines 558 575) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 546 552) no Hoare annotation was computed. [2018-11-18 14:26:23,793 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 546 552) the Hoare annotation is: true [2018-11-18 14:26:23,794 INFO L421 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))) [2018-11-18 14:26:23,794 INFO L421 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))))) [2018-11-18 14:26:23,794 INFO L425 ceAbstractionStarter]: For program point L733(lines 733 739) no Hoare annotation was computed. [2018-11-18 14:26:23,794 INFO L425 ceAbstractionStarter]: For program point L733-1(lines 733 739) no Hoare annotation was computed. [2018-11-18 14:26:23,794 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 713 780) no Hoare annotation was computed. [2018-11-18 14:26:23,794 INFO L425 ceAbstractionStarter]: For program point L725(lines 725 729) no Hoare annotation was computed. [2018-11-18 14:26:23,794 INFO L425 ceAbstractionStarter]: For program point L723-1(lines 723 772) no Hoare annotation was computed. [2018-11-18 14:26:23,794 INFO L421 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))) [2018-11-18 14:26:23,794 INFO L421 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))))) [2018-11-18 14:26:23,794 INFO L425 ceAbstractionStarter]: For program point L761(lines 761 767) no Hoare annotation was computed. [2018-11-18 14:26:23,795 INFO L421 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)))) [2018-11-18 14:26:23,795 INFO L425 ceAbstractionStarter]: For program point L724(lines 723 772) no Hoare annotation was computed. [2018-11-18 14:26:23,795 INFO L421 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))) [2018-11-18 14:26:23,795 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 768) no Hoare annotation was computed. [2018-11-18 14:26:23,795 INFO L421 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (= 2 ~waterLevel~0)) (.cse3 (= ~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 (<= ~waterLevel~0 1) .cse3 .cse1 .cse2 .cse4) (and (= ~systemActive~0 0) .cse0 .cse5 .cse2 .cse4) (and .cse0 .cse6 .cse1 .cse2) (and .cse0 .cse5 .cse1 .cse2 .cse4) (and .cse6 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 14:26:23,795 INFO L425 ceAbstractionStarter]: For program point L743(lines 743 749) no Hoare annotation was computed. [2018-11-18 14:26:23,795 INFO L425 ceAbstractionStarter]: For program point L743-1(lines 743 749) no Hoare annotation was computed. [2018-11-18 14:26:23,795 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 713 780) no Hoare annotation was computed. [2018-11-18 14:26:23,795 INFO L421 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)))) [2018-11-18 14:26:23,796 INFO L421 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))) [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 579 586) no Hoare annotation was computed. [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 579 586) no Hoare annotation was computed. [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:26:23,796 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:26:23,796 INFO L421 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))) [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point L593-1(line 593) no Hoare annotation was computed. [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 588 604) no Hoare annotation was computed. [2018-11-18 14:26:23,796 INFO L421 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))) [2018-11-18 14:26:23,796 INFO L421 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))) [2018-11-18 14:26:23,796 INFO L425 ceAbstractionStarter]: For program point L599-1(lines 588 604) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point L595(lines 595 601) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 669 687) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point L678(lines 678 682) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 669 687) the Hoare annotation is: true [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 669 687) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L428 ceAbstractionStarter]: At program point L676(line 676) the Hoare annotation is: true [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point L678-2(lines 678 682) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point L676-1(line 676) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-18 14:26:23,797 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point L832(line 832) no Hoare annotation was computed. [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 821 850) no Hoare annotation was computed. [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-18 14:26:23,798 INFO L428 ceAbstractionStarter]: At program point L835-1(lines 835 839) the Hoare annotation is: true [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point L831-1(lines 831 845) no Hoare annotation was computed. [2018-11-18 14:26:23,798 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 821 850) the Hoare annotation is: true [2018-11-18 14:26:23,798 INFO L428 ceAbstractionStarter]: At program point L831-3(lines 831 845) the Hoare annotation is: true [2018-11-18 14:26:23,798 INFO L428 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: true [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point L827-1(line 827) no Hoare annotation was computed. [2018-11-18 14:26:23,798 INFO L428 ceAbstractionStarter]: At program point L846(lines 821 850) the Hoare annotation is: true [2018-11-18 14:26:23,798 INFO L425 ceAbstractionStarter]: For program point L842(line 842) no Hoare annotation was computed. [2018-11-18 14:26:23,799 INFO L421 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))))) [2018-11-18 14:26:23,799 INFO L421 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))))) [2018-11-18 14:26:23,799 INFO L421 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))) [2018-11-18 14:26:23,799 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 519 545) the Hoare annotation is: (let ((.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)))) (let ((.cse5 (or .cse6 .cse2 .cse3)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (and (= ~pumpRunning~0 1) .cse13)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse11 (not (= |old(~waterLevel~0)| 2))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse12 (not (= ~systemActive~0 0))) (.cse0 (< 2 |old(~waterLevel~0)|)) (.cse7 (and (= 0 ~pumpRunning~0) .cse13))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse4) (or .cse6 .cse2 .cse7 .cse8) (or .cse9 .cse5 .cse7) (or .cse10 (or (or .cse2 .cse11) .cse1)) (or .cse9 .cse1 .cse2 .cse3 .cse10) (or .cse4 .cse12 (or .cse6 .cse3) .cse0) (or .cse7 (or .cse6 .cse2 .cse11)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse6 .cse12 (<= 1 ~switchedOnBeforeTS~0) .cse8) (or .cse12 .cse0 .cse7 .cse6)))) [2018-11-18 14:26:23,799 INFO L425 ceAbstractionStarter]: For program point L526(lines 522 544) no Hoare annotation was computed. [2018-11-18 14:26:23,799 INFO L425 ceAbstractionStarter]: For program point L524(lines 522 544) no Hoare annotation was computed. [2018-11-18 14:26:23,799 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 519 545) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 519 545) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L421 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)) [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 875 881) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 875 881) the Hoare annotation is: true [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 14:26:23,800 INFO L421 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)) [2018-11-18 14:26:23,800 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 14:26:23,800 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 703 710) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 703 710) the Hoare annotation is: true [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 703 710) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L421 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)))) [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 918 925) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 918 925) the Hoare annotation is: true [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 922) no Hoare annotation was computed. [2018-11-18 14:26:23,801 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 918 925) no Hoare annotation was computed. [2018-11-18 14:26:23,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 02:26:23 BoogieIcfgContainer [2018-11-18 14:26:23,813 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 14:26:23,813 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:26:23,814 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:26:23,814 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:26:23,814 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:26:07" (3/4) ... [2018-11-18 14:26:23,817 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 14:26:23,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 14:26:23,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 14:26:23,821 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 14:26:23,822 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 14:26:23,823 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 14:26:23,824 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 14:26:23,824 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 14:26:23,824 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 14:26:23,829 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 14:26:23,830 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 14:26:23,830 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 14:26:23,852 WARN L220 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) [2018-11-18 14:26:23,852 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 14:26:23,884 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ec4b34c1-18c1-4cc7-9eb4-7f4f682a60ee/bin-2019/utaipan/witness.graphml [2018-11-18 14:26:23,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:26:23,886 INFO L168 Benchmark]: Toolchain (without parser) took 17170.71 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 770.2 MB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -68.5 MB). Peak memory consumption was 701.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:23,886 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-18 14:26:23,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:23,887 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.61 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. [2018-11-18 14:26:23,887 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 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. [2018-11-18 14:26:23,887 INFO L168 Benchmark]: RCFGBuilder took 463.49 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:23,887 INFO L168 Benchmark]: TraceAbstraction took 16228.96 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 638.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 897.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:26:23,887 INFO L168 Benchmark]: Witness Printer took 70.72 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 77.9 kB). Peak memory consumption was 77.9 kB. Max. memory is 11.5 GB. [2018-11-18 14:26:23,889 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 355.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.61 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. * Boogie Preprocessor took 27.80 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 463.49 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16228.96 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 638.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.3 MB). Peak memory consumption was 897.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.72 ms. Allocated memory is still 1.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 77.9 kB). Peak memory consumption was 77.9 kB. 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: 831]: Loop Invariant Derived loop invariant: 1 - 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: 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, 158 locations, 1 error locations. SAFE Result, 16.1s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2184 SDtfs, 2174 SDslu, 6371 SDs, 0 SdLazy, 5065 SolverSat, 1025 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 951 SyntacticMatches, 16 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1575occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.7s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 747 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 2812 PreInvPairs, 3163 NumberOfFragments, 2527 HoareAnnotationTreeSize, 2812 FomulaSimplifications, 30290 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21574 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1889 NumberOfCodeBlocks, 1889 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2341 ConstructedInterpolants, 0 QuantifiedInterpolants, 746920 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2044 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 15 InterpolantComputations, 9 PerfectInterpolantSequences, 1506/1597 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...