./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/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 edf277e8e45bc51905c3746c53b47e5f504df38a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 01:46:30,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:46:30,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:46:30,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:46:30,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:46:30,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:46:30,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:46:30,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:46:30,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:46:30,591 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:46:30,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:46:30,592 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:46:30,592 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:46:30,593 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:46:30,593 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:46:30,594 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:46:30,594 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:46:30,595 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:46:30,596 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:46:30,597 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:46:30,598 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:46:30,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:46:30,600 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:46:30,600 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:46:30,600 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:46:30,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:46:30,601 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:46:30,601 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:46:30,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:46:30,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:46:30,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:46:30,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:46:30,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:46:30,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:46:30,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:46:30,604 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:46:30,604 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:46:30,612 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:46:30,612 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:46:30,613 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:46:30,613 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:46:30,613 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:46:30,613 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:46:30,613 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:46:30,613 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:46:30,614 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:46:30,614 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:46:30,614 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:46:30,614 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:46:30,614 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:46:30,614 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:46:30,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:46:30,616 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:46:30,616 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:46:30,616 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:46:30,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:46:30,617 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:46:30,617 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_9aba57a9-564c-45df-8780-0074753d8150/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-12-03 01:46:30,634 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:46:30,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:46:30,643 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:46:30,644 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:46:30,644 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:46:30,644 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-03 01:46:30,679 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/data/031b18b82/9415e09b54d84dd59c14682c9e457be0/FLAGcf2350aed [2018-12-03 01:46:31,104 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:46:31,104 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-03 01:46:31,110 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/data/031b18b82/9415e09b54d84dd59c14682c9e457be0/FLAGcf2350aed [2018-12-03 01:46:31,118 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/data/031b18b82/9415e09b54d84dd59c14682c9e457be0 [2018-12-03 01:46:31,120 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:46:31,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:46:31,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:46:31,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:46:31,123 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:46:31,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31, skipping insertion in model container [2018-12-03 01:46:31,125 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:46:31,154 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:46:31,319 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:46:31,361 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:46:31,404 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:46:31,418 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:46:31,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31 WrapperNode [2018-12-03 01:46:31,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:46:31,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:46:31,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:46:31,420 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:46:31,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:46:31,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:46:31,440 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:46:31,440 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:46:31,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,460 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... [2018-12-03 01:46:31,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:46:31,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:46:31,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:46:31,464 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:46:31,465 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:46:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 01:46:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 01:46:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:46:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:46:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 01:46:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 01:46:31,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:46:31,497 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 01:46:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 01:46:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 01:46:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 01:46:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 01:46:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 01:46:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 01:46:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 01:46:31,498 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:46:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:46:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 01:46:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 01:46:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 01:46:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 01:46:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 01:46:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 01:46:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 01:46:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 01:46:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 01:46:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 01:46:31,499 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:46:31,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-03 01:46:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-03 01:46:31,811 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:46:31,812 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 01:46:31,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:46:31 BoogieIcfgContainer [2018-12-03 01:46:31,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:46:31,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:46:31,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:46:31,816 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:46:31,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:46:31" (1/3) ... [2018-12-03 01:46:31,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc2759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:46:31, skipping insertion in model container [2018-12-03 01:46:31,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:31" (2/3) ... [2018-12-03 01:46:31,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2acc2759 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:46:31, skipping insertion in model container [2018-12-03 01:46:31,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:46:31" (3/3) ... [2018-12-03 01:46:31,819 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-12-03 01:46:31,825 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:46:31,831 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:46:31,841 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:46:31,862 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:46:31,862 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:46:31,862 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:46:31,863 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:46:31,863 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:46:31,863 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:46:31,863 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:46:31,863 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:46:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-03 01:46:31,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-03 01:46:31,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:31,884 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:31,885 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:31,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:31,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-12-03 01:46:31,890 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:31,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:31,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:31,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:31,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:32,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:46:32,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:32,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 01:46:32,066 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:32,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 01:46:32,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 01:46:32,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:46:32,078 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-03 01:46:32,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:32,102 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-12-03 01:46:32,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 01:46:32,103 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-03 01:46:32,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:32,109 INFO L225 Difference]: With dead ends: 280 [2018-12-03 01:46:32,110 INFO L226 Difference]: Without dead ends: 140 [2018-12-03 01:46:32,112 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 01:46:32,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-03 01:46:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-03 01:46:32,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-03 01:46:32,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-12-03 01:46:32,143 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-12-03 01:46:32,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:32,143 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-12-03 01:46:32,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 01:46:32,144 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-12-03 01:46:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-03 01:46:32,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:32,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:32,146 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:32,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:32,146 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-12-03 01:46:32,146 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:32,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:32,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,147 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:46:32,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:32,212 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 01:46:32,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:32,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:46:32,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:46:32,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:46:32,214 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-12-03 01:46:32,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:32,233 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-12-03 01:46:32,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:46:32,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-03 01:46:32,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:32,234 INFO L225 Difference]: With dead ends: 229 [2018-12-03 01:46:32,234 INFO L226 Difference]: Without dead ends: 131 [2018-12-03 01:46:32,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 01:46:32,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-03 01:46:32,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-03 01:46:32,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-03 01:46:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-12-03 01:46:32,243 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-12-03 01:46:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:32,243 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-12-03 01:46:32,243 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:46:32,243 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-12-03 01:46:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 01:46:32,244 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:32,244 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:32,244 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:32,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:32,244 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-12-03 01:46:32,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:32,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:32,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:32,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:46:32,319 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:32,319 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:46:32,320 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:32,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:46:32,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:46:32,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:46:32,321 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-12-03 01:46:32,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:32,472 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-12-03 01:46:32,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:46:32,473 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-03 01:46:32,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:32,474 INFO L225 Difference]: With dead ends: 238 [2018-12-03 01:46:32,474 INFO L226 Difference]: Without dead ends: 131 [2018-12-03 01:46:32,474 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:46:32,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-03 01:46:32,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-03 01:46:32,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-03 01:46:32,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-12-03 01:46:32,482 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-12-03 01:46:32,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:32,482 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-12-03 01:46:32,482 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:46:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-12-03 01:46:32,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-03 01:46:32,483 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:32,483 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:32,483 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:32,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:32,484 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-12-03 01:46:32,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:32,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:32,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,485 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:32,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:46:32,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:32,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 01:46:32,544 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:32,545 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 01:46:32,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 01:46:32,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:46:32,545 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-12-03 01:46:32,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:32,811 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-12-03 01:46:32,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:46:32,812 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-03 01:46:32,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:32,813 INFO L225 Difference]: With dead ends: 334 [2018-12-03 01:46:32,813 INFO L226 Difference]: Without dead ends: 227 [2018-12-03 01:46:32,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:46:32,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-12-03 01:46:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-12-03 01:46:32,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-12-03 01:46:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-12-03 01:46:32,829 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-12-03 01:46:32,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:32,829 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-12-03 01:46:32,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 01:46:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-12-03 01:46:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-03 01:46:32,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:32,830 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:32,830 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:32,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:32,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-12-03 01:46:32,830 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:32,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:32,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:32,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:32,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:46:32,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:32,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:46:32,882 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:32,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:46:32,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:46:32,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:46:32,883 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-12-03 01:46:32,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:32,997 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-12-03 01:46:32,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:46:32,998 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-03 01:46:32,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:33,001 INFO L225 Difference]: With dead ends: 564 [2018-12-03 01:46:33,001 INFO L226 Difference]: Without dead ends: 379 [2018-12-03 01:46:33,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:46:33,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-12-03 01:46:33,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-12-03 01:46:33,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-03 01:46:33,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-12-03 01:46:33,036 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-12-03 01:46:33,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:33,037 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-12-03 01:46:33,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:46:33,037 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-12-03 01:46:33,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-03 01:46:33,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:33,039 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:33,039 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:33,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:33,039 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-12-03 01:46:33,039 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:33,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:33,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,040 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:46:33,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:33,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 01:46:33,111 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:33,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 01:46:33,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 01:46:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:46:33,112 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-12-03 01:46:33,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:33,469 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-12-03 01:46:33,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 01:46:33,470 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-03 01:46:33,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:33,471 INFO L225 Difference]: With dead ends: 406 [2018-12-03 01:46:33,471 INFO L226 Difference]: Without dead ends: 403 [2018-12-03 01:46:33,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 01:46:33,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-03 01:46:33,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-12-03 01:46:33,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-12-03 01:46:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-12-03 01:46:33,495 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-12-03 01:46:33,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:33,495 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-12-03 01:46:33,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 01:46:33,495 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-12-03 01:46:33,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 01:46:33,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:33,497 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:33,498 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:33,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:33,498 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-12-03 01:46:33,498 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:33,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:33,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,499 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:46:33,549 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:33,549 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:46:33,549 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:33,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:46:33,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:46:33,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:46:33,550 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-12-03 01:46:33,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:33,580 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-12-03 01:46:33,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:46:33,581 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-12-03 01:46:33,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:33,583 INFO L225 Difference]: With dead ends: 736 [2018-12-03 01:46:33,583 INFO L226 Difference]: Without dead ends: 387 [2018-12-03 01:46:33,584 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:46:33,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-12-03 01:46:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-12-03 01:46:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-12-03 01:46:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-12-03 01:46:33,604 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-12-03 01:46:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:33,604 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-12-03 01:46:33,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:46:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-12-03 01:46:33,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 01:46:33,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:33,606 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:33,606 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:33,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:33,606 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-12-03 01:46:33,606 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:33,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:33,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,607 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:33,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:46:33,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:33,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 01:46:33,685 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:33,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 01:46:33,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 01:46:33,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:46:33,686 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-12-03 01:46:33,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:33,718 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-12-03 01:46:33,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 01:46:33,719 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-12-03 01:46:33,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:33,721 INFO L225 Difference]: With dead ends: 756 [2018-12-03 01:46:33,721 INFO L226 Difference]: Without dead ends: 397 [2018-12-03 01:46:33,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:46:33,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-12-03 01:46:33,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-12-03 01:46:33,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-12-03 01:46:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-12-03 01:46:33,739 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-12-03 01:46:33,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:33,739 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-12-03 01:46:33,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 01:46:33,740 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-12-03 01:46:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-03 01:46:33,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:33,741 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:33,741 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:33,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-12-03 01:46:33,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:33,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:33,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:46:33,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:33,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 01:46:33,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:33,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:46:33,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:46:33,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:46:33,801 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-12-03 01:46:33,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:33,903 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-12-03 01:46:33,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 01:46:33,904 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-12-03 01:46:33,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:33,906 INFO L225 Difference]: With dead ends: 1153 [2018-12-03 01:46:33,906 INFO L226 Difference]: Without dead ends: 786 [2018-12-03 01:46:33,907 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:46:33,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-12-03 01:46:33,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-12-03 01:46:33,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-12-03 01:46:33,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-12-03 01:46:33,929 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-12-03 01:46:33,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:33,929 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-12-03 01:46:33,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:46:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-12-03 01:46:33,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-03 01:46:33,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:33,930 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:33,930 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:33,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:33,931 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-12-03 01:46:33,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:33,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:33,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:33,931 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-03 01:46:34,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:46:34,006 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:46:34,006 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-12-03 01:46:34,007 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [44], [45], [46], [61], [64], [66], [75], [79], [83], [86], [91], [94], [99], [102], [117], [118], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [183], [187], [194], [195], [203], [207], [210], [212], [215], [225], [228], [232], [233], [236], [238], [241], [243], [246], [255], [256], [257], [258], [259], [260], [261], [262], [263], [267], [269], [270], [277], [278], [279], [280], [281], [282], [283], [287], [288], [289], [290], [291], [292], [299], [300], [301], [303], [304], [305], [307], [308], [309], [310], [315], [316], [317], [318], [319] [2018-12-03 01:46:34,030 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:46:34,030 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:46:34,297 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:46:34,298 INFO L272 AbstractInterpreter]: Visited 76 different actions 76 times. Never merged. Never widened. Performed 2593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-03 01:46:34,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:34,303 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:46:34,535 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 97.31% of their original sizes. [2018-12-03 01:46:34,535 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:46:34,617 INFO L418 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-12-03 01:46:34,617 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:46:34,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:46:34,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-12-03 01:46:34,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:34,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 01:46:34,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 01:46:34,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-12-03 01:46:34,619 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 15 states. [2018-12-03 01:46:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:37,366 INFO L93 Difference]: Finished difference Result 1705 states and 2017 transitions. [2018-12-03 01:46:37,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 01:46:37,366 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 102 [2018-12-03 01:46:37,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:37,368 INFO L225 Difference]: With dead ends: 1705 [2018-12-03 01:46:37,368 INFO L226 Difference]: Without dead ends: 958 [2018-12-03 01:46:37,369 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-12-03 01:46:37,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2018-12-03 01:46:37,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 954. [2018-12-03 01:46:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 954 states. [2018-12-03 01:46:37,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1091 transitions. [2018-12-03 01:46:37,396 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1091 transitions. Word has length 102 [2018-12-03 01:46:37,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:37,397 INFO L480 AbstractCegarLoop]: Abstraction has 954 states and 1091 transitions. [2018-12-03 01:46:37,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 01:46:37,397 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1091 transitions. [2018-12-03 01:46:37,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-03 01:46:37,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:37,400 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:37,400 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:37,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:37,400 INFO L82 PathProgramCache]: Analyzing trace with hash -261242511, now seen corresponding path program 1 times [2018-12-03 01:46:37,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:37,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:37,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:37,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:37,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:37,461 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 01:46:37,462 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:46:37,462 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:46:37,462 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-03 01:46:37,462 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [75], [79], [83], [86], [91], [94], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [180], [183], [187], [193], [194], [195], [198], [202], [203], [207], [210], [212], [215], [222], [225], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319] [2018-12-03 01:46:37,465 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:46:37,466 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:46:38,569 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:46:38,569 INFO L272 AbstractInterpreter]: Visited 131 different actions 672 times. Merged at 19 different actions 53 times. Never widened. Performed 33489 root evaluator evaluations with a maximum evaluation depth of 5. Performed 33489 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-12-03 01:46:38,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:38,575 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:46:38,575 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:46:38,575 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 01:46:38,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:38,581 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:46:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:38,665 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:46:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:46:38,745 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:46:38,882 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 01:46:38,898 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 01:46:38,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-03 01:46:38,898 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:38,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 01:46:38,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 01:46:38,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-03 01:46:38,899 INFO L87 Difference]: Start difference. First operand 954 states and 1091 transitions. Second operand 5 states. [2018-12-03 01:46:39,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:39,183 INFO L93 Difference]: Finished difference Result 1805 states and 2179 transitions. [2018-12-03 01:46:39,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:46:39,184 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 159 [2018-12-03 01:46:39,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:39,187 INFO L225 Difference]: With dead ends: 1805 [2018-12-03 01:46:39,187 INFO L226 Difference]: Without dead ends: 1206 [2018-12-03 01:46:39,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 318 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:46:39,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1206 states. [2018-12-03 01:46:39,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1206 to 1104. [2018-12-03 01:46:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2018-12-03 01:46:39,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1285 transitions. [2018-12-03 01:46:39,227 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1285 transitions. Word has length 159 [2018-12-03 01:46:39,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:39,227 INFO L480 AbstractCegarLoop]: Abstraction has 1104 states and 1285 transitions. [2018-12-03 01:46:39,227 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 01:46:39,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1285 transitions. [2018-12-03 01:46:39,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 01:46:39,229 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:39,229 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:39,229 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:39,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:39,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-12-03 01:46:39,229 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:39,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:39,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:39,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:39,230 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:39,313 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 01:46:39,314 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:46:39,314 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:46:39,314 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-03 01:46:39,314 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [97], [99], [102], [117], [118], [119], [120], [121], [122], [123], [125], [130], [133], [134], [136], [141], [143], [144], [149], [151], [180], [183], [187], [193], [194], [195], [198], [202], [203], [207], [210], [212], [215], [222], [225], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [269], [270], [271], [272], [275], [276], [277], [278], [279], [280], [281], [282], [283], [284], [287], [288], [289], [290], [291], [292], [297], [298], [299], [300], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [319] [2018-12-03 01:46:39,316 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:46:39,316 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:46:40,416 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:46:40,416 INFO L272 AbstractInterpreter]: Visited 132 different actions 898 times. Merged at 17 different actions 64 times. Never widened. Performed 37132 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37132 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 17 fixpoints after 5 different actions. Largest state had 132 variables. [2018-12-03 01:46:40,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:40,421 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:46:40,421 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:46:40,421 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/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 [2018-12-03 01:46:40,429 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:40,429 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:46:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:40,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:46:40,566 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-03 01:46:40,567 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:46:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-03 01:46:40,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 01:46:40,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-12-03 01:46:40,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:40,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:46:40,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:46:40,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-12-03 01:46:40,808 INFO L87 Difference]: Start difference. First operand 1104 states and 1285 transitions. Second operand 9 states. [2018-12-03 01:46:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:41,425 INFO L93 Difference]: Finished difference Result 2399 states and 3053 transitions. [2018-12-03 01:46:41,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 01:46:41,425 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-03 01:46:41,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:41,432 INFO L225 Difference]: With dead ends: 2399 [2018-12-03 01:46:41,432 INFO L226 Difference]: Without dead ends: 1656 [2018-12-03 01:46:41,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 303 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-12-03 01:46:41,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1656 states. [2018-12-03 01:46:41,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1656 to 1376. [2018-12-03 01:46:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1376 states. [2018-12-03 01:46:41,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1612 transitions. [2018-12-03 01:46:41,508 INFO L78 Accepts]: Start accepts. Automaton has 1376 states and 1612 transitions. Word has length 155 [2018-12-03 01:46:41,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:41,508 INFO L480 AbstractCegarLoop]: Abstraction has 1376 states and 1612 transitions. [2018-12-03 01:46:41,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:46:41,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1612 transitions. [2018-12-03 01:46:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 01:46:41,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:46:41,510 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:46:41,510 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:46:41,510 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:46:41,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-12-03 01:46:41,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:46:41,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:41,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:46:41,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:46:41,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:46:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:46:41,565 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 01:46:41,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:46:41,565 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 01:46:41,565 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:46:41,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:46:41,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:46:41,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:46:41,566 INFO L87 Difference]: Start difference. First operand 1376 states and 1612 transitions. Second operand 9 states. [2018-12-03 01:46:41,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:46:41,624 INFO L93 Difference]: Finished difference Result 1764 states and 2065 transitions. [2018-12-03 01:46:41,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 01:46:41,624 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-03 01:46:41,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:46:41,625 INFO L225 Difference]: With dead ends: 1764 [2018-12-03 01:46:41,625 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:46:41,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:46:41,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:46:41,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:46:41,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:46:41,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:46:41,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-03 01:46:41,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:46:41,629 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:46:41,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:46:41,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:46:41,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:46:41,633 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:46:41,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:41,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:42,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:42,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:42,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:42,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:46:42,503 WARN L180 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2018-12-03 01:46:42,767 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-12-03 01:46:43,435 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 31 [2018-12-03 01:46:43,640 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-12-03 01:46:44,018 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-12-03 01:46:44,018 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-12-03 01:46:44,018 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-12-03 01:46:44,018 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-12-03 01:46:44,018 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-12-03 01:46:44,019 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,019 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-12-03 01:46:44,019 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,019 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,019 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-12-03 01:46:44,019 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-12-03 01:46:44,019 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-12-03 01:46:44,019 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-12-03 01:46:44,019 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,019 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,019 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-12-03 01:46:44,020 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-12-03 01:46:44,020 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,020 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-12-03 01:46:44,021 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-12-03 01:46:44,021 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-12-03 01:46:44,022 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3))) [2018-12-03 01:46:44,022 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-12-03 01:46:44,022 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:46:44,022 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-03 01:46:44,022 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2))) [2018-12-03 01:46:44,022 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-12-03 01:46:44,022 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-12-03 01:46:44,022 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-12-03 01:46:44,022 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-12-03 01:46:44,022 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-12-03 01:46:44,022 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-12-03 01:46:44,022 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,023 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-12-03 01:46:44,023 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 01:46:44,023 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-12-03 01:46:44,023 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse3))) [2018-12-03 01:46:44,023 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-12-03 01:46:44,023 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-12-03 01:46:44,023 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2018-12-03 01:46:44,023 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-12-03 01:46:44,023 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-12-03 01:46:44,023 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) .cse2))) [2018-12-03 01:46:44,024 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:46:44,024 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-03 01:46:44,024 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-03 01:46:44,025 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-03 01:46:44,025 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-12-03 01:46:44,025 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-12-03 01:46:44,026 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-12-03 01:46:44,026 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-12-03 01:46:44,026 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-12-03 01:46:44,026 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-12-03 01:46:44,027 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or .cse6 .cse11 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) .cse11 (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4))))) [2018-12-03 01:46:44,027 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 1)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse12 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse12)) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (or .cse0 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse6 .cse3) (< |old(~waterLevel~0)| 1) .cse7 .cse4 .cse8) (or .cse7 (and .cse9 .cse10) (or .cse11 .cse4 .cse8)) (or .cse1 .cse2 .cse4 .cse5 .cse8) (or (and .cse9 .cse6) (or .cse0 .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10))))) [2018-12-03 01:46:44,027 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-12-03 01:46:44,027 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-12-03 01:46:44,027 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-12-03 01:46:44,027 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-12-03 01:46:44,027 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-12-03 01:46:44,027 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-12-03 01:46:44,027 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-03 01:46:44,028 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-12-03 01:46:44,028 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:46:44,028 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-12-03 01:46:44,029 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse4 .cse5) (or (or .cse1 .cse6 .cse2 .cse5) .cse3) (or .cse3 (or .cse0 .cse1 .cse6 .cse2)))) [2018-12-03 01:46:44,029 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-12-03 01:46:44,029 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-12-03 01:46:44,029 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 01:46:44,029 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-03 01:46:44,029 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-12-03 01:46:44,029 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-12-03 01:46:44,029 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-12-03 01:46:44,029 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-12-03 01:46:44,029 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-03 01:46:44,030 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-03 01:46:44,030 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-03 01:46:44,030 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-03 01:46:44,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:46:44 BoogieIcfgContainer [2018-12-03 01:46:44,040 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:46:44,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:46:44,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:46:44,041 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:46:44,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:46:31" (3/4) ... [2018-12-03 01:46:44,044 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 01:46:44,048 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 01:46:44,049 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 01:46:44,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 01:46:44,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 01:46:44,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 01:46:44,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 01:46:44,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 01:46:44,050 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-03 01:46:44,055 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-03 01:46:44,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 01:46:44,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 01:46:44,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 01:46:44,056 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 01:46:44,057 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 01:46:44,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:46:44,076 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 01:46:44,097 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9aba57a9-564c-45df-8780-0074753d8150/bin-2019/utaipan/witness.graphml [2018-12-03 01:46:44,097 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:46:44,097 INFO L168 Benchmark]: Toolchain (without parser) took 12977.34 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 773.8 MB). Free memory was 956.0 MB in the beginning and 1.5 GB in the end (delta: -529.2 MB). Peak memory consumption was 244.6 MB. Max. memory is 11.5 GB. [2018-12-03 01:46:44,098 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:46:44,098 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-03 01:46:44,098 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.98 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:46:44,098 INFO L168 Benchmark]: Boogie Preprocessor took 24.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:46:44,098 INFO L168 Benchmark]: RCFGBuilder took 348.19 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:46:44,098 INFO L168 Benchmark]: TraceAbstraction took 12227.22 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 663.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -469.7 MB). Peak memory consumption was 981.3 MB. Max. memory is 11.5 GB. [2018-12-03 01:46:44,099 INFO L168 Benchmark]: Witness Printer took 56.68 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:46:44,099 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -137.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.98 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 24.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 348.19 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12227.22 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 663.2 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -469.7 MB). Peak memory consumption was 981.3 MB. Max. memory is 11.5 GB. * Witness Printer took 56.68 ms. Allocated memory is still 1.8 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 12.1s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2396 SDtfs, 1689 SDslu, 6702 SDs, 0 SdLazy, 3447 SolverSat, 597 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 867 GetRequests, 754 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1376occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.5s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9968269290382836 AbsIntWeakeningRatio, 1.0693069306930694 AbsIntAvgWeakeningVarsNumRemoved, 82.97029702970298 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 465 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2273 PreInvPairs, 2365 NumberOfFragments, 2083 HoareAnnotationTreeSize, 2273 FomulaSimplifications, 10889 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 12146 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1547 NumberOfCodeBlocks, 1547 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 367759 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1727 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 244/262 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...