./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:48:05,099 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:48:05,100 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:48:05,106 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:48:05,107 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:48:05,107 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:48:05,108 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:48:05,109 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:48:05,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:48:05,110 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:48:05,111 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:48:05,111 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:48:05,111 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:48:05,112 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:48:05,113 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:48:05,113 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:48:05,113 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:48:05,114 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:48:05,115 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:48:05,116 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:48:05,117 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:48:05,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:48:05,119 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:48:05,119 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:48:05,119 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:48:05,119 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:48:05,120 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:48:05,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:48:05,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:48:05,121 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:48:05,121 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:48:05,122 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:48:05,122 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:48:05,122 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:48:05,122 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:48:05,123 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:48:05,123 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:48:05,130 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:48:05,130 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:48:05,131 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:48:05,131 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:48:05,131 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:48:05,131 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:48:05,131 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:48:05,131 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:48:05,132 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:48:05,132 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:48:05,132 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:48:05,132 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:48:05,132 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:48:05,132 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:48:05,132 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:48:05,133 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:48:05,133 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:48:05,134 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:48:05,134 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:48:05,135 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_610a6fed-f8f5-4ed0-8625-7b2250858008/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-12-02 08:48:05,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:48:05,162 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:48:05,164 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:48:05,166 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:48:05,166 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:48:05,166 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-12-02 08:48:05,206 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/data/d3a1b515e/f38244664c1b47268f58b2866cd5aa37/FLAGb5214e32c [2018-12-02 08:48:05,710 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:48:05,711 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-12-02 08:48:05,717 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/data/d3a1b515e/f38244664c1b47268f58b2866cd5aa37/FLAGb5214e32c [2018-12-02 08:48:06,186 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/data/d3a1b515e/f38244664c1b47268f58b2866cd5aa37 [2018-12-02 08:48:06,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:48:06,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:48:06,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:48:06,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:48:06,191 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:48:06,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a96ab85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06, skipping insertion in model container [2018-12-02 08:48:06,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:48:06,217 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:48:06,365 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:48:06,418 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:48:06,461 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:48:06,479 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:48:06,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06 WrapperNode [2018-12-02 08:48:06,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:48:06,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:48:06,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:48:06,480 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:48:06,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:48:06,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:48:06,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:48:06,502 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:48:06,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,511 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... [2018-12-02 08:48:06,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:48:06,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:48:06,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:48:06,526 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:48:06,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:48:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 08:48:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 08:48:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:48:06,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:48:06,561 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 08:48:06,562 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 08:48:06,562 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 08:48:06,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 08:48:06,563 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 08:48:06,564 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 08:48:06,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:48:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:48:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:48:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:48:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:48:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 08:48:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 08:48:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:48:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:48:06,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 08:48:06,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 08:48:06,851 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:48:06,852 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 08:48:06,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:48:06 BoogieIcfgContainer [2018-12-02 08:48:06,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:48:06,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:48:06,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:48:06,855 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:48:06,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:48:06" (1/3) ... [2018-12-02 08:48:06,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29568679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:48:06, skipping insertion in model container [2018-12-02 08:48:06,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:48:06" (2/3) ... [2018-12-02 08:48:06,856 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29568679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:48:06, skipping insertion in model container [2018-12-02 08:48:06,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:48:06" (3/3) ... [2018-12-02 08:48:06,858 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-12-02 08:48:06,865 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:48:06,871 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:48:06,882 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:48:06,906 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:48:06,907 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:48:06,907 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:48:06,907 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:48:06,907 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:48:06,907 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:48:06,907 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:48:06,907 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:48:06,923 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-02 08:48:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 08:48:06,929 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:06,929 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:06,931 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:06,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:06,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1105178767, now seen corresponding path program 1 times [2018-12-02 08:48:06,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:06,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:06,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:06,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:06,964 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:48:07,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:07,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:48:07,078 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:07,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:48:07,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:48:07,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:48:07,090 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-02 08:48:07,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:07,113 INFO L93 Difference]: Finished difference Result 272 states and 341 transitions. [2018-12-02 08:48:07,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:48:07,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 08:48:07,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:07,121 INFO L225 Difference]: With dead ends: 272 [2018-12-02 08:48:07,121 INFO L226 Difference]: Without dead ends: 136 [2018-12-02 08:48:07,123 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:48:07,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-02 08:48:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-02 08:48:07,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-02 08:48:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2018-12-02 08:48:07,153 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2018-12-02 08:48:07,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:07,153 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2018-12-02 08:48:07,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:48:07,153 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2018-12-02 08:48:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 08:48:07,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:07,155 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:07,155 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:07,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:07,155 INFO L82 PathProgramCache]: Analyzing trace with hash 1895038508, now seen corresponding path program 1 times [2018-12-02 08:48:07,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:07,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:07,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:48:07,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:07,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:48:07,204 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:07,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:48:07,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:48:07,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:48:07,206 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 3 states. [2018-12-02 08:48:07,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:07,219 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2018-12-02 08:48:07,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:48:07,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 08:48:07,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:07,220 INFO L225 Difference]: With dead ends: 215 [2018-12-02 08:48:07,220 INFO L226 Difference]: Without dead ends: 127 [2018-12-02 08:48:07,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:48:07,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-02 08:48:07,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-02 08:48:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-02 08:48:07,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2018-12-02 08:48:07,229 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2018-12-02 08:48:07,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:07,229 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2018-12-02 08:48:07,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:48:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2018-12-02 08:48:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 08:48:07,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:07,230 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:07,230 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:07,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:07,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1633888391, now seen corresponding path program 1 times [2018-12-02 08:48:07,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:07,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:07,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:48:07,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:07,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:48:07,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:07,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:48:07,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:48:07,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:48:07,297 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 7 states. [2018-12-02 08:48:07,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:07,544 INFO L93 Difference]: Finished difference Result 383 states and 468 transitions. [2018-12-02 08:48:07,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:48:07,545 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-02 08:48:07,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:07,547 INFO L225 Difference]: With dead ends: 383 [2018-12-02 08:48:07,548 INFO L226 Difference]: Without dead ends: 280 [2018-12-02 08:48:07,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:48:07,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-12-02 08:48:07,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 272. [2018-12-02 08:48:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-12-02 08:48:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2018-12-02 08:48:07,572 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 51 [2018-12-02 08:48:07,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:07,573 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2018-12-02 08:48:07,573 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:48:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2018-12-02 08:48:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 08:48:07,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:07,574 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:07,574 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:07,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:07,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1409171517, now seen corresponding path program 1 times [2018-12-02 08:48:07,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:07,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:07,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:07,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:48:07,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:07,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:48:07,633 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:07,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:48:07,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:48:07,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:48:07,634 INFO L87 Difference]: Start difference. First operand 272 states and 332 transitions. Second operand 6 states. [2018-12-02 08:48:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:07,774 INFO L93 Difference]: Finished difference Result 753 states and 944 transitions. [2018-12-02 08:48:07,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:48:07,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 08:48:07,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:07,778 INFO L225 Difference]: With dead ends: 753 [2018-12-02 08:48:07,778 INFO L226 Difference]: Without dead ends: 505 [2018-12-02 08:48:07,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:48:07,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2018-12-02 08:48:07,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 499. [2018-12-02 08:48:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2018-12-02 08:48:07,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2018-12-02 08:48:07,810 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 57 [2018-12-02 08:48:07,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:07,810 INFO L480 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2018-12-02 08:48:07,810 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:48:07,810 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2018-12-02 08:48:07,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 08:48:07,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:07,812 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:07,812 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:07,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:07,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1704165985, now seen corresponding path program 1 times [2018-12-02 08:48:07,812 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:07,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:07,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:07,813 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:48:07,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:07,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:48:07,885 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:07,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:48:07,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:48:07,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:48:07,885 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 7 states. [2018-12-02 08:48:08,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:08,306 INFO L93 Difference]: Finished difference Result 1320 states and 1731 transitions. [2018-12-02 08:48:08,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 08:48:08,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 08:48:08,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:08,310 INFO L225 Difference]: With dead ends: 1320 [2018-12-02 08:48:08,310 INFO L226 Difference]: Without dead ends: 845 [2018-12-02 08:48:08,312 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 08:48:08,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-12-02 08:48:08,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 749. [2018-12-02 08:48:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 749 states. [2018-12-02 08:48:08,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 911 transitions. [2018-12-02 08:48:08,346 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 911 transitions. Word has length 61 [2018-12-02 08:48:08,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:08,346 INFO L480 AbstractCegarLoop]: Abstraction has 749 states and 911 transitions. [2018-12-02 08:48:08,346 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:48:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 911 transitions. [2018-12-02 08:48:08,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 08:48:08,348 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:08,348 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:08,349 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:08,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:08,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1326343568, now seen corresponding path program 1 times [2018-12-02 08:48:08,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:08,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:08,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:08,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:08,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:08,398 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:48:08,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:08,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:48:08,399 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:08,400 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:48:08,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:48:08,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:48:08,400 INFO L87 Difference]: Start difference. First operand 749 states and 911 transitions. Second operand 4 states. [2018-12-02 08:48:08,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:08,588 INFO L93 Difference]: Finished difference Result 2772 states and 3584 transitions. [2018-12-02 08:48:08,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:48:08,588 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-02 08:48:08,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:08,594 INFO L225 Difference]: With dead ends: 2772 [2018-12-02 08:48:08,594 INFO L226 Difference]: Without dead ends: 2047 [2018-12-02 08:48:08,596 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:48:08,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2047 states. [2018-12-02 08:48:08,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2047 to 2001. [2018-12-02 08:48:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2001 states. [2018-12-02 08:48:08,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2521 transitions. [2018-12-02 08:48:08,660 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2521 transitions. Word has length 98 [2018-12-02 08:48:08,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:08,661 INFO L480 AbstractCegarLoop]: Abstraction has 2001 states and 2521 transitions. [2018-12-02 08:48:08,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:48:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2521 transitions. [2018-12-02 08:48:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 08:48:08,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:08,663 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:08,663 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:08,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:08,664 INFO L82 PathProgramCache]: Analyzing trace with hash -1318584209, now seen corresponding path program 1 times [2018-12-02 08:48:08,664 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:08,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:08,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:08,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:08,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:48:08,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:08,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:48:08,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:08,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:48:08,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:48:08,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:48:08,704 INFO L87 Difference]: Start difference. First operand 2001 states and 2521 transitions. Second operand 6 states. [2018-12-02 08:48:08,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:08,787 INFO L93 Difference]: Finished difference Result 4062 states and 5342 transitions. [2018-12-02 08:48:08,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:48:08,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-02 08:48:08,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:08,794 INFO L225 Difference]: With dead ends: 4062 [2018-12-02 08:48:08,794 INFO L226 Difference]: Without dead ends: 2085 [2018-12-02 08:48:08,798 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:48:08,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2018-12-02 08:48:08,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2061. [2018-12-02 08:48:08,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2018-12-02 08:48:08,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 2585 transitions. [2018-12-02 08:48:08,869 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 2585 transitions. Word has length 98 [2018-12-02 08:48:08,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:08,869 INFO L480 AbstractCegarLoop]: Abstraction has 2061 states and 2585 transitions. [2018-12-02 08:48:08,869 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:48:08,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 2585 transitions. [2018-12-02 08:48:08,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 08:48:08,872 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:08,872 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:08,872 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:08,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:08,872 INFO L82 PathProgramCache]: Analyzing trace with hash -425097871, now seen corresponding path program 1 times [2018-12-02 08:48:08,872 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:08,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:08,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:08,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:08,873 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:08,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:48:08,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:48:08,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 08:48:08,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:08,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:48:08,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:48:08,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:48:08,931 INFO L87 Difference]: Start difference. First operand 2061 states and 2585 transitions. Second operand 8 states. [2018-12-02 08:48:09,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:09,004 INFO L93 Difference]: Finished difference Result 3744 states and 4844 transitions. [2018-12-02 08:48:09,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:48:09,004 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-02 08:48:09,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:09,009 INFO L225 Difference]: With dead ends: 3744 [2018-12-02 08:48:09,009 INFO L226 Difference]: Without dead ends: 1707 [2018-12-02 08:48:09,013 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:48:09,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-12-02 08:48:09,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1707. [2018-12-02 08:48:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2018-12-02 08:48:09,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2111 transitions. [2018-12-02 08:48:09,067 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2111 transitions. Word has length 98 [2018-12-02 08:48:09,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:09,067 INFO L480 AbstractCegarLoop]: Abstraction has 1707 states and 2111 transitions. [2018-12-02 08:48:09,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:48:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2111 transitions. [2018-12-02 08:48:09,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 08:48:09,070 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:09,070 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:09,070 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:09,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:09,070 INFO L82 PathProgramCache]: Analyzing trace with hash -2111915188, now seen corresponding path program 1 times [2018-12-02 08:48:09,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:09,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:09,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:09,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:09,071 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:09,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:09,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 08:48:09,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:48:09,175 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:48:09,176 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-12-02 08:48:09,177 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [92], [96], [100], [103], [108], [111], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [199], [203], [210], [211], [219], [225], [229], [230], [233], [235], [238], [240], [243], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [272], [274], [275], [282], [283], [284], [285], [286], [287], [290], [294], [295], [296], [297], [298], [299], [306], [307], [308], [310], [311], [312], [314], [315], [316], [317], [318] [2018-12-02 08:48:09,201 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:48:09,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:48:09,514 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:48:09,515 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-02 08:48:09,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:09,519 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:48:09,749 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.27% of their original sizes. [2018-12-02 08:48:09,750 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:48:09,855 INFO L418 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-12-02 08:48:09,855 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:48:09,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:48:09,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-12-02 08:48:09,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:09,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 08:48:09,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 08:48:09,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:48:09,857 INFO L87 Difference]: Start difference. First operand 1707 states and 2111 transitions. Second operand 18 states. [2018-12-02 08:48:13,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:13,805 INFO L93 Difference]: Finished difference Result 3717 states and 4654 transitions. [2018-12-02 08:48:13,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-02 08:48:13,805 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 102 [2018-12-02 08:48:13,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:13,811 INFO L225 Difference]: With dead ends: 3717 [2018-12-02 08:48:13,811 INFO L226 Difference]: Without dead ends: 2034 [2018-12-02 08:48:13,814 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2018-12-02 08:48:13,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2034 states. [2018-12-02 08:48:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2034 to 2009. [2018-12-02 08:48:13,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2009 states. [2018-12-02 08:48:13,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 2009 states and 2399 transitions. [2018-12-02 08:48:13,882 INFO L78 Accepts]: Start accepts. Automaton has 2009 states and 2399 transitions. Word has length 102 [2018-12-02 08:48:13,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:13,882 INFO L480 AbstractCegarLoop]: Abstraction has 2009 states and 2399 transitions. [2018-12-02 08:48:13,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 08:48:13,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2399 transitions. [2018-12-02 08:48:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 08:48:13,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:48:13,887 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:48:13,887 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:48:13,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:13,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1731977465, now seen corresponding path program 1 times [2018-12-02 08:48:13,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:48:13,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:13,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:13,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:48:13,889 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:48:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:14,004 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 08:48:14,004 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:48:14,004 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:48:14,005 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-02 08:48:14,005 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [92], [96], [100], [103], [106], [108], [111], [114], [116], [119], [135], [136], [137], [138], [139], [141], [146], [149], [150], [152], [157], [159], [160], [165], [167], [196], [199], [203], [209], [210], [211], [214], [218], [219], [225], [229], [230], [233], [235], [238], [240], [243], [249], [251], [252], [253], [254], [255], [256], [257], [258], [259], [260], [262], [263], [264], [265], [268], [269], [272], [274], [275], [276], [277], [280], [281], [282], [283], [284], [285], [286], [287], [290], [291], [294], [295], [296], [297], [298], [299], [304], [305], [306], [307], [308], [309], [310], [311], [312], [314], [315], [316], [317], [318] [2018-12-02 08:48:14,007 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:48:14,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:48:15,211 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:48:15,211 INFO L272 AbstractInterpreter]: Visited 123 different actions 890 times. Merged at 17 different actions 64 times. Never widened. Performed 37108 root evaluator evaluations with a maximum evaluation depth of 3. Performed 37108 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 17 fixpoints after 5 different actions. Largest state had 132 variables. [2018-12-02 08:48:15,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:48:15,219 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:48:15,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:48:15,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:48:15,226 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:48:15,226 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:48:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:48:15,308 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:48:15,424 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 08:48:15,424 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:48:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 08:48:15,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:48:15,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-02 08:48:15,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:48:15,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:48:15,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:48:15,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 08:48:15,738 INFO L87 Difference]: Start difference. First operand 2009 states and 2399 transitions. Second operand 8 states. [2018-12-02 08:48:15,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:48:15,956 INFO L93 Difference]: Finished difference Result 3195 states and 3891 transitions. [2018-12-02 08:48:15,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:48:15,956 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2018-12-02 08:48:15,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:48:15,957 INFO L225 Difference]: With dead ends: 3195 [2018-12-02 08:48:15,957 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:48:15,961 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 291 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-02 08:48:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:48:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:48:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:48:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:48:15,962 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-12-02 08:48:15,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:48:15,963 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:48:15,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:48:15,963 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:48:15,963 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:48:15,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:48:16,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,341 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:16,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:48:17,313 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-12-02 08:48:17,615 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-12-02 08:48:18,416 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-12-02 08:48:18,784 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 08:48:18,784 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 08:48:18,784 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-12-02 08:48:18,784 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-12-02 08:48:18,785 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-12-02 08:48:18,785 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,785 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2018-12-02 08:48:18,785 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,785 INFO L444 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,785 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2018-12-02 08:48:18,785 INFO L448 ceAbstractionStarter]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2018-12-02 08:48:18,785 INFO L448 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2018-12-02 08:48:18,786 INFO L444 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,786 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,786 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,786 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2018-12-02 08:48:18,786 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 08:48:18,786 INFO L448 ceAbstractionStarter]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2018-12-02 08:48:18,786 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 08:48:18,786 INFO L444 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2))) [2018-12-02 08:48:18,786 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) .cse3)) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 (and (= 0 ~pumpRunning~0) .cse3) .cse5) (or .cse2 .cse4 .cse5))) [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) .cse2)) (.cse7 (= |old(~systemActive~0)| 0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2018-12-02 08:48:18,787 INFO L444 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-12-02 08:48:18,787 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L451 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 08:48:18,788 INFO L448 ceAbstractionStarter]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-02 08:48:18,788 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2018-12-02 08:48:18,789 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 448) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L444 ceAbstractionStarter]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 08:48:18,789 INFO L444 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L444 ceAbstractionStarter]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2018-12-02 08:48:18,789 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 08:48:18,790 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 08:48:18,790 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point L891(lines 866 895) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-02 08:48:18,791 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-02 08:48:18,791 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse2)) (.cse9 (= ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse0) (or .cse2 (and .cse0 .cse4) .cse6 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse7 .cse5 (and .cse8 .cse4)) (or .cse6 (not (= ~systemActive~0 1)) .cse9 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse7) (or .cse1 .cse9 .cse6 .cse10) (or .cse1 .cse4 .cse3) (or .cse2 .cse0 .cse3 .cse5)))) [2018-12-02 08:48:18,792 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not .cse1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse6)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse7) (or .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 (and .cse8 .cse3) .cse9) (or .cse2 (not (= ~systemActive~0 1)) .cse10 .cse7 .cse11) (or .cse0 .cse5 .cse6) (or .cse3 .cse2 .cse7) (or .cse0 .cse2 .cse10 .cse11)))) [2018-12-02 08:48:18,792 INFO L444 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point L228(lines 227 246) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: true [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-02 08:48:18,792 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:48:18,792 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse5) (or .cse1 .cse3 .cse6 .cse2) (or .cse4 (or .cse1 (not (= ~systemActive~0 1)) .cse6) .cse5))) [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-02 08:48:18,793 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-02 08:48:18,793 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-02 08:48:18,793 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-02 08:48:18,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:48:18 BoogieIcfgContainer [2018-12-02 08:48:18,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:48:18,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:48:18,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:48:18,803 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:48:18,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:48:06" (3/4) ... [2018-12-02 08:48:18,806 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:48:18,810 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 08:48:18,811 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 08:48:18,816 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 08:48:18,817 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 08:48:18,817 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 08:48:18,818 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 08:48:18,818 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:48:18,818 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 08:48:18,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-02 08:48:18,838 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 08:48:18,868 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_610a6fed-f8f5-4ed0-8625-7b2250858008/bin-2019/utaipan/witness.graphml [2018-12-02 08:48:18,868 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:48:18,869 INFO L168 Benchmark]: Toolchain (without parser) took 12681.13 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 761.3 MB). Free memory was 950.0 MB in the beginning and 1.5 GB in the end (delta: -537.0 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:48:18,870 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:48:18,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:48:18,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2018-12-02 08:48:18,870 INFO L168 Benchmark]: Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:48:18,870 INFO L168 Benchmark]: RCFGBuilder took 326.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:48:18,871 INFO L168 Benchmark]: TraceAbstraction took 11950.23 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 678.4 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -470.2 MB). Peak memory consumption was 829.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:48:18,871 INFO L168 Benchmark]: Witness Printer took 65.27 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 323.1 kB). Peak memory consumption was 323.1 kB. Max. memory is 11.5 GB. [2018-12-02 08:48:18,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 290.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 82.8 MB). Free memory was 950.0 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 326.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11950.23 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 678.4 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -470.2 MB). Peak memory consumption was 829.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.27 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 323.1 kB). Peak memory consumption was 323.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 11.8s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 5.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2066 SDtfs, 1363 SDslu, 6517 SDs, 0 SdLazy, 2113 SolverSat, 220 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 513 GetRequests, 409 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2061occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968283048444726 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 205 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4467 PreInvPairs, 4751 NumberOfFragments, 1907 HoareAnnotationTreeSize, 4467 FomulaSimplifications, 5986 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 63 FomulaSimplificationsInter, 21060 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 964 NumberOfCodeBlocks, 964 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 180709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 866 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 150/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...