./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/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 79b21ff72ec330797470eae9e06bb1504f09bc51 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 21:23:24,304 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:23:24,306 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:23:24,314 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:23:24,315 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:23:24,315 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:23:24,316 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:23:24,317 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:23:24,318 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:23:24,319 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:23:24,320 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:23:24,320 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:23:24,320 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:23:24,321 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:23:24,322 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:23:24,322 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:23:24,323 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:23:24,324 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:23:24,326 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:23:24,327 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:23:24,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:23:24,328 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:23:24,330 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:23:24,330 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:23:24,330 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:23:24,331 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:23:24,332 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:23:24,332 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:23:24,333 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:23:24,333 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:23:24,334 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:23:24,334 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:23:24,334 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:23:24,334 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:23:24,335 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:23:24,335 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:23:24,336 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 21:23:24,346 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:23:24,346 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:23:24,347 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:23:24,347 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 21:23:24,347 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 21:23:24,347 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 21:23:24,347 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 21:23:24,348 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 21:23:24,348 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 21:23:24,348 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 21:23:24,348 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 21:23:24,348 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 21:23:24,348 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 21:23:24,349 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:23:24,349 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:23:24,349 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:23:24,349 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:23:24,350 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:23:24,351 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:23:24,351 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:23:24,351 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 21:23:24,351 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:23:24,351 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 21:23:24,351 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:23:24,352 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:23:24,352 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:23:24,352 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:23:24,352 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 21:23:24,352 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:23:24,352 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:23:24,352 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 21:23:24,352 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_4758bd67-ae36-4400-a516-3fed99a4d367/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-11-22 21:23:24,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:23:24,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:23:24,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:23:24,389 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:23:24,390 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:23:24,390 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-22 21:23:24,434 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/data/d009e10e7/f53ea5c725f04957b14164b1d3c9c3fb/FLAG50ab5e23d [2018-11-22 21:23:24,784 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:23:24,785 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-22 21:23:24,792 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/data/d009e10e7/f53ea5c725f04957b14164b1d3c9c3fb/FLAG50ab5e23d [2018-11-22 21:23:25,190 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/data/d009e10e7/f53ea5c725f04957b14164b1d3c9c3fb [2018-11-22 21:23:25,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:23:25,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:23:25,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:23:25,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:23:25,197 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:23:25,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@359172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25, skipping insertion in model container [2018-11-22 21:23:25,200 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,207 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:23:25,236 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:23:25,429 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:23:25,438 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:23:25,538 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:23:25,555 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:23:25,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25 WrapperNode [2018-11-22 21:23:25,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:23:25,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:23:25,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:23:25,556 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:23:25,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,574 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:23:25,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:23:25,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:23:25,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:23:25,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... [2018-11-22 21:23:25,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:23:25,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:23:25,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:23:25,613 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:23:25,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 21:23:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-22 21:23:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-22 21:23:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 21:23:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 21:23:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-22 21:23:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-22 21:23:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 21:23:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-22 21:23:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-22 21:23:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-22 21:23:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-22 21:23:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-22 21:23:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-22 21:23:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-22 21:23:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-22 21:23:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-22 21:23:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-22 21:23:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-22 21:23:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-22 21:23:25,652 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-22 21:23:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-22 21:23:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-22 21:23:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-22 21:23:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-22 21:23:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-22 21:23:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-22 21:23:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-22 21:23:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-22 21:23:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-22 21:23:25,653 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-22 21:23:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-22 21:23:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-22 21:23:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-22 21:23:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-22 21:23:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-22 21:23:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-22 21:23:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-22 21:23:25,654 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:23:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:23:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-22 21:23:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-22 21:23:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-22 21:23:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-22 21:23:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-22 21:23:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-22 21:23:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-22 21:23:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-22 21:23:25,655 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-22 21:23:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-22 21:23:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 21:23:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 21:23:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 21:23:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-22 21:23:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-22 21:23:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-22 21:23:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-22 21:23:25,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:23:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:23:25,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-22 21:23:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-22 21:23:26,114 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:23:26,115 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-22 21:23:26,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:23:26 BoogieIcfgContainer [2018-11-22 21:23:26,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:23:26,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 21:23:26,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 21:23:26,118 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 21:23:26,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:23:25" (1/3) ... [2018-11-22 21:23:26,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583ed66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:23:26, skipping insertion in model container [2018-11-22 21:23:26,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:23:25" (2/3) ... [2018-11-22 21:23:26,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@583ed66f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:23:26, skipping insertion in model container [2018-11-22 21:23:26,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:23:26" (3/3) ... [2018-11-22 21:23:26,121 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-22 21:23:26,129 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 21:23:26,136 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 21:23:26,149 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 21:23:26,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 21:23:26,175 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 21:23:26,175 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 21:23:26,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 21:23:26,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 21:23:26,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 21:23:26,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 21:23:26,175 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 21:23:26,188 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-22 21:23:26,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-22 21:23:26,192 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:26,193 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:26,194 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:26,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:26,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1039050909, now seen corresponding path program 1 times [2018-11-22 21:23:26,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:26,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:26,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:26,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:26,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:26,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:26,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:26,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 21:23:26,383 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:26,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 21:23:26,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 21:23:26,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 21:23:26,396 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-22 21:23:26,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:26,426 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2018-11-22 21:23:26,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 21:23:26,427 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-22 21:23:26,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:26,436 INFO L225 Difference]: With dead ends: 280 [2018-11-22 21:23:26,436 INFO L226 Difference]: Without dead ends: 140 [2018-11-22 21:23:26,439 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 21:23:26,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-22 21:23:26,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-22 21:23:26,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-22 21:23:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2018-11-22 21:23:26,477 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2018-11-22 21:23:26,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:26,478 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2018-11-22 21:23:26,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 21:23:26,478 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2018-11-22 21:23:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-22 21:23:26,480 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:26,481 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:26,481 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:26,481 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:26,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1886519307, now seen corresponding path program 1 times [2018-11-22 21:23:26,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:26,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:26,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:26,483 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:26,483 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:26,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:26,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:26,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 21:23:26,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:26,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 21:23:26,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 21:23:26,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:23:26,560 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2018-11-22 21:23:26,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:26,578 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-11-22 21:23:26,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 21:23:26,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-22 21:23:26,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:26,580 INFO L225 Difference]: With dead ends: 219 [2018-11-22 21:23:26,580 INFO L226 Difference]: Without dead ends: 131 [2018-11-22 21:23:26,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 21:23:26,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-22 21:23:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-22 21:23:26,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-22 21:23:26,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-11-22 21:23:26,592 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2018-11-22 21:23:26,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:26,592 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-11-22 21:23:26,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 21:23:26,593 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-11-22 21:23:26,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 21:23:26,594 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:26,594 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:26,594 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:26,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:26,595 INFO L82 PathProgramCache]: Analyzing trace with hash -443527011, now seen corresponding path program 1 times [2018-11-22 21:23:26,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:26,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:26,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:26,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:26,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:26,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:26,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:26,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 21:23:26,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:26,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 21:23:26,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 21:23:26,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:23:26,714 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2018-11-22 21:23:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:27,071 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2018-11-22 21:23:27,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 21:23:27,072 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-22 21:23:27,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:27,074 INFO L225 Difference]: With dead ends: 395 [2018-11-22 21:23:27,074 INFO L226 Difference]: Without dead ends: 288 [2018-11-22 21:23:27,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 21:23:27,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-11-22 21:23:27,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2018-11-22 21:23:27,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-11-22 21:23:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2018-11-22 21:23:27,103 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2018-11-22 21:23:27,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:27,103 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2018-11-22 21:23:27,103 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 21:23:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2018-11-22 21:23:27,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-22 21:23:27,106 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:27,106 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] [2018-11-22 21:23:27,110 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:27,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:27,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1392303490, now seen corresponding path program 1 times [2018-11-22 21:23:27,111 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:27,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:27,112 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:27,112 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:27,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:27,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:27,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:23:27,218 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:27,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:23:27,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:23:27,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:23:27,218 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2018-11-22 21:23:27,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:27,363 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2018-11-22 21:23:27,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:23:27,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-22 21:23:27,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:27,366 INFO L225 Difference]: With dead ends: 765 [2018-11-22 21:23:27,367 INFO L226 Difference]: Without dead ends: 513 [2018-11-22 21:23:27,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 21:23:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-11-22 21:23:27,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2018-11-22 21:23:27,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-22 21:23:27,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2018-11-22 21:23:27,404 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2018-11-22 21:23:27,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:27,405 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2018-11-22 21:23:27,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:23:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2018-11-22 21:23:27,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-22 21:23:27,407 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:27,407 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] [2018-11-22 21:23:27,407 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:27,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:27,408 INFO L82 PathProgramCache]: Analyzing trace with hash 85735846, now seen corresponding path program 1 times [2018-11-22 21:23:27,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:27,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:27,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:27,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:27,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:27,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:27,491 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 21:23:27,491 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:27,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 21:23:27,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 21:23:27,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:23:27,492 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2018-11-22 21:23:27,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:27,910 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2018-11-22 21:23:27,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-22 21:23:27,910 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-22 21:23:27,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:27,914 INFO L225 Difference]: With dead ends: 1346 [2018-11-22 21:23:27,914 INFO L226 Difference]: Without dead ends: 863 [2018-11-22 21:23:27,915 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-22 21:23:27,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-22 21:23:27,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2018-11-22 21:23:27,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-11-22 21:23:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2018-11-22 21:23:27,954 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2018-11-22 21:23:27,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:27,955 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2018-11-22 21:23:27,955 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 21:23:27,955 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2018-11-22 21:23:27,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 21:23:27,957 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:27,957 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:27,957 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:27,957 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:27,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1206568851, now seen corresponding path program 1 times [2018-11-22 21:23:27,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:27,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:27,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:27,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:27,958 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:28,030 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:23:28,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:28,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-22 21:23:28,031 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:28,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-22 21:23:28,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-22 21:23:28,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:23:28,031 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2018-11-22 21:23:28,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:28,202 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2018-11-22 21:23:28,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-22 21:23:28,203 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-22 21:23:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:28,210 INFO L225 Difference]: With dead ends: 2836 [2018-11-22 21:23:28,210 INFO L226 Difference]: Without dead ends: 2095 [2018-11-22 21:23:28,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-22 21:23:28,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-11-22 21:23:28,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2018-11-22 21:23:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2018-11-22 21:23:28,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2018-11-22 21:23:28,283 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2018-11-22 21:23:28,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:28,283 INFO L480 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2018-11-22 21:23:28,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-22 21:23:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2018-11-22 21:23:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 21:23:28,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:28,287 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:28,287 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:28,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:28,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1198809492, now seen corresponding path program 1 times [2018-11-22 21:23:28,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:28,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:28,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:28,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:28,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:28,353 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:23:28,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:28,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 21:23:28,353 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:28,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 21:23:28,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 21:23:28,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-22 21:23:28,354 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2018-11-22 21:23:28,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:28,424 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2018-11-22 21:23:28,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 21:23:28,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-22 21:23:28,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:28,431 INFO L225 Difference]: With dead ends: 4158 [2018-11-22 21:23:28,431 INFO L226 Difference]: Without dead ends: 2133 [2018-11-22 21:23:28,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-22 21:23:28,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2018-11-22 21:23:28,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2018-11-22 21:23:28,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-11-22 21:23:28,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2018-11-22 21:23:28,502 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2018-11-22 21:23:28,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:28,502 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2018-11-22 21:23:28,502 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 21:23:28,502 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2018-11-22 21:23:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-22 21:23:28,504 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:28,505 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:28,505 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:28,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:28,505 INFO L82 PathProgramCache]: Analyzing trace with hash -305323154, now seen corresponding path program 1 times [2018-11-22 21:23:28,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:28,506 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:28,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:28,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:28,578 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:23:28,578 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 21:23:28,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-22 21:23:28,578 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:28,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:23:28,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:23:28,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:23:28,579 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2018-11-22 21:23:28,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:28,644 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2018-11-22 21:23:28,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:23:28,645 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-22 21:23:28,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:28,650 INFO L225 Difference]: With dead ends: 3832 [2018-11-22 21:23:28,650 INFO L226 Difference]: Without dead ends: 1747 [2018-11-22 21:23:28,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-22 21:23:28,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2018-11-22 21:23:28,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2018-11-22 21:23:28,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2018-11-22 21:23:28,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2018-11-22 21:23:28,725 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2018-11-22 21:23:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:28,725 INFO L480 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2018-11-22 21:23:28,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:23:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2018-11-22 21:23:28,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 21:23:28,729 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:28,729 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 21:23:28,729 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:28,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:28,729 INFO L82 PathProgramCache]: Analyzing trace with hash 692991765, now seen corresponding path program 1 times [2018-11-22 21:23:28,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:28,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:28,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:28,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:28,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 21:23:28,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:23:28,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:23:28,848 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-22 21:23:28,849 INFO L202 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], [122], [128], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [174], [178], [211], [212], [220], [228], [232], [233], [236], [238], [241], [243], [246], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [275], [277], [278], [285], [286], [287], [288], [289], [290], [295], [299], [300], [301], [302], [303], [304], [307], [308], [309], [315], [316], [317], [319], [320], [321], [322], [323] [2018-11-22 21:23:28,874 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:23:28,874 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:23:29,243 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:23:29,244 INFO L272 AbstractInterpreter]: Visited 101 different actions 103 times. Never merged. Never widened. Performed 3248 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3248 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-22 21:23:29,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:29,255 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:23:29,255 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:23:29,255 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 21:23:29,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:29,272 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:23:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:29,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:23:29,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:23:29,483 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:23:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-22 21:23:29,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 21:23:29,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-22 21:23:29,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:29,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:23:29,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:23:29,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-22 21:23:29,993 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 8 states. [2018-11-22 21:23:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:30,193 INFO L93 Difference]: Finished difference Result 3444 states and 4258 transitions. [2018-11-22 21:23:30,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:23:30,194 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-22 21:23:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:30,199 INFO L225 Difference]: With dead ends: 3444 [2018-11-22 21:23:30,200 INFO L226 Difference]: Without dead ends: 1721 [2018-11-22 21:23:30,203 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-22 21:23:30,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2018-11-22 21:23:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2018-11-22 21:23:30,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2018-11-22 21:23:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2075 transitions. [2018-11-22 21:23:30,266 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2075 transitions. Word has length 103 [2018-11-22 21:23:30,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:30,266 INFO L480 AbstractCegarLoop]: Abstraction has 1721 states and 2075 transitions. [2018-11-22 21:23:30,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:23:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2075 transitions. [2018-11-22 21:23:30,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-22 21:23:30,270 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 21:23:30,271 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, 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] [2018-11-22 21:23:30,271 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 21:23:30,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:30,271 INFO L82 PathProgramCache]: Analyzing trace with hash -2090589296, now seen corresponding path program 1 times [2018-11-22 21:23:30,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 21:23:30,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:30,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:30,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 21:23:30,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 21:23:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:23:30,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:23:30,397 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 21:23:30,397 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-22 21:23:30,397 INFO L202 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], [122], [128], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [171], [174], [178], [184], [211], [212], [215], [219], [220], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [271], [272], [275], [277], [278], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [295], [296], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [317], [319], [320], [321], [322], [323] [2018-11-22 21:23:30,401 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 21:23:30,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 21:23:32,117 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 21:23:32,117 INFO L272 AbstractInterpreter]: Visited 124 different actions 921 times. Merged at 18 different actions 82 times. Never widened. Performed 39163 root evaluator evaluations with a maximum evaluation depth of 3. Performed 39163 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 6 different actions. Largest state had 133 variables. [2018-11-22 21:23:32,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:23:32,127 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 21:23:32,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 21:23:32,127 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 21:23:32,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 21:23:32,144 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 21:23:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:23:32,223 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 21:23:32,339 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-22 21:23:32,339 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 21:23:32,739 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-22 21:23:32,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-22 21:23:32,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-22 21:23:32,757 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 21:23:32,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-22 21:23:32,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-22 21:23:32,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-22 21:23:32,758 INFO L87 Difference]: Start difference. First operand 1721 states and 2075 transitions. Second operand 8 states. [2018-11-22 21:23:32,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 21:23:32,944 INFO L93 Difference]: Finished difference Result 2939 states and 3601 transitions. [2018-11-22 21:23:32,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-22 21:23:32,944 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-11-22 21:23:32,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 21:23:32,945 INFO L225 Difference]: With dead ends: 2939 [2018-11-22 21:23:32,945 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 21:23:32,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-22 21:23:32,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 21:23:32,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 21:23:32,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 21:23:32,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 21:23:32,950 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-22 21:23:32,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 21:23:32,950 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 21:23:32,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-22 21:23:32,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 21:23:32,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:23:32,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 21:23:33,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:33,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 21:23:34,111 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2018-11-22 21:23:34,546 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2018-11-22 21:23:35,254 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-22 21:23:35,469 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-11-22 21:23:35,513 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-11-22 21:23:35,513 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-11-22 21:23:35,513 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-11-22 21:23:35,513 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-11-22 21:23:35,513 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-11-22 21:23:35,514 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,514 INFO L444 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,515 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,515 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-11-22 21:23:35,515 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-11-22 21:23:35,515 INFO L444 ceAbstractionStarter]: At program point L231(line 231) 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)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 21:23:35,515 INFO L444 ceAbstractionStarter]: At program point L231-1(line 231) 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)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-22 21:23:35,515 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-11-22 21:23:35,515 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-11-22 21:23:35,515 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-22 21:23:35,515 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,515 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2))) [2018-11-22 21:23:35,515 INFO L448 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-11-22 21:23:35,516 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-11-22 21:23:35,516 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-11-22 21:23:35,517 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse6) (or .cse3 .cse4) (or .cse6 .cse5 .cse4))) [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (not (= ~systemActive~0 0)) .cse5)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse5) (or .cse1 .cse2 .cse4) (or .cse0 .cse6 .cse7) (or .cse0 .cse5 .cse3) (or .cse7 .cse6 .cse4)))) [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-11-22 21:23:35,517 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-11-22 21:23:35,518 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-11-22 21:23:35,518 INFO L451 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-11-22 21:23:35,518 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-22 21:23:35,518 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-11-22 21:23:35,519 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) .cse1))) [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L444 ceAbstractionStarter]: At program point L716(line 716) 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 (< ~methaneLevelCritical~0 1) .cse0))) [2018-11-22 21:23:35,519 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4) .cse3 .cse1))) [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 .cse4))) [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-11-22 21:23:35,519 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,520 INFO L444 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 21:23:35,520 INFO L444 ceAbstractionStarter]: At program point L890(line 890) 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 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-11-22 21:23:35,520 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-11-22 21:23:35,521 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-11-22 21:23:35,521 INFO L444 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-22 21:23:35,521 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-11-22 21:23:35,521 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-11-22 21:23:35,521 INFO L444 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 21:23:35,521 INFO L448 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-11-22 21:23:35,521 INFO L444 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 21:23:35,521 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-11-22 21:23:35,521 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-22 21:23:35,521 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-11-22 21:23:35,521 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) 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))) [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))))) [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-11-22 21:23:35,522 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-11-22 21:23:35,522 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (< |old(~methaneLevelCritical~0)| 1) .cse0 (<= 1 ~methaneLevelCritical~0)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-22 21:23:35,523 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-22 21:23:35,523 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (= 1 ~waterLevel~0)) (.cse5 (not .cse1)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse9 (and (not .cse7) .cse6)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse4 .cse3 .cse5 .cse8) (or .cse0 .cse7 .cse6) (or .cse1 .cse3 .cse2 .cse8) (or .cse9 .cse0 .cse3) (or .cse9 .cse3 .cse8)))) [2018-11-22 21:23:35,523 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse7)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse4) (or .cse7 (and .cse8 .cse4) .cse1 .cse6) (or .cse0 .cse1 .cse4) (or .cse0 .cse7 .cse1 .cse8) (or .cse1 .cse3 .cse6 (and .cse2 .cse4)) (or .cse7 .cse8 .cse5 .cse6) (or .cse0 .cse7 .cse5 .cse8)))) [2018-11-22 21:23:35,524 INFO L444 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1))) (.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse9)) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse6) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse6) (or .cse1 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse8) (or .cse0 .cse9 .cse1 .cse10) (or .cse9 .cse10 .cse1 .cse4) (or .cse8 .cse6 .cse7 .cse4 .cse5)))) [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-11-22 21:23:35,524 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4) (or .cse3 .cse1 .cse0) (or .cse4 .cse2))) [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-22 21:23:35,524 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-11-22 21:23:35,524 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 21:23:35,524 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-11-22 21:23:35,524 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-11-22 21:23:35,524 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-22 21:23:35,525 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 21:23:35,525 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse1))) [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-11-22 21:23:35,526 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-11-22 21:23:35,526 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-11-22 21:23:35,527 INFO L444 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (< ~methaneLevelCritical~0 1) .cse1))) [2018-11-22 21:23:35,527 INFO L448 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-11-22 21:23:35,527 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-22 21:23:35,527 INFO L448 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-11-22 21:23:35,527 INFO L448 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-11-22 21:23:35,527 INFO L448 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-11-22 21:23:35,527 INFO L451 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-11-22 21:23:35,527 INFO L448 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-11-22 21:23:35,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:23:35 BoogieIcfgContainer [2018-11-22 21:23:35,537 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 21:23:35,537 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:23:35,537 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:23:35,537 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:23:35,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:23:26" (3/4) ... [2018-11-22 21:23:35,540 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-22 21:23:35,545 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-22 21:23:35,546 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-22 21:23:35,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-22 21:23:35,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-22 21:23:35,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-22 21:23:35,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-22 21:23:35,547 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-22 21:23:35,553 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-22 21:23:35,554 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-22 21:23:35,554 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-22 21:23:35,554 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-22 21:23:35,555 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:23:35,555 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:23:35,555 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 21:23:35,575 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 21:23:35,576 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-22 21:23:35,606 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4758bd67-ae36-4400-a516-3fed99a4d367/bin-2019/utaipan/witness.graphml [2018-11-22 21:23:35,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:23:35,608 INFO L168 Benchmark]: Toolchain (without parser) took 10415.26 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 721.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -106.8 MB). Peak memory consumption was 615.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:35,608 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:23:35,608 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:35,608 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.92 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. [2018-11-22 21:23:35,609 INFO L168 Benchmark]: Boogie Preprocessor took 30.75 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:35,609 INFO L168 Benchmark]: RCFGBuilder took 502.87 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:35,609 INFO L168 Benchmark]: TraceAbstraction took 9421.18 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 617.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -26.3 MB). Peak memory consumption was 626.3 MB. Max. memory is 11.5 GB. [2018-11-22 21:23:35,609 INFO L168 Benchmark]: Witness Printer took 69.27 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 710.4 kB). Peak memory consumption was 710.4 kB. Max. memory is 11.5 GB. [2018-11-22 21:23:35,610 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -134.3 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.75 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 502.87 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9421.18 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 617.1 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -26.3 MB). Peak memory consumption was 626.3 MB. Max. memory is 11.5 GB. * Witness Printer took 69.27 ms. Allocated memory is still 1.8 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 710.4 kB). Peak memory consumption was 710.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 9.3s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1944 SDtfs, 981 SDslu, 4637 SDs, 0 SdLazy, 1441 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 517 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4398 PreInvPairs, 4655 NumberOfFragments, 1810 HoareAnnotationTreeSize, 4398 FomulaSimplifications, 4311 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14133 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1320 ConstructedInterpolants, 0 QuantifiedInterpolants, 225382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 157/165 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...