./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/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 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:31:09,632 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:31:09,633 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:31:09,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:31:09,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:31:09,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:31:09,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:31:09,645 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:31:09,646 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:31:09,646 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:31:09,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:31:09,647 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:31:09,648 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:31:09,649 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:31:09,649 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:31:09,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:31:09,650 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:31:09,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:31:09,653 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:31:09,654 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:31:09,655 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:31:09,655 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:31:09,657 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:31:09,657 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:31:09,657 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:31:09,658 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:31:09,658 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:31:09,659 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:31:09,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:31:09,660 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:31:09,660 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:31:09,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:31:09,661 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:31:09,661 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:31:09,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:31:09,662 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:31:09,662 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 09:31:09,672 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:31:09,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:31:09,673 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:31:09,673 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 09:31:09,673 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 09:31:09,673 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 09:31:09,673 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 09:31:09,673 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 09:31:09,674 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 09:31:09,674 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 09:31:09,674 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 09:31:09,674 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 09:31:09,674 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 09:31:09,675 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:31:09,675 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:31:09,675 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:31:09,675 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:31:09,675 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:31:09,675 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:31:09,676 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:31:09,676 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:31:09,676 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:31:09,676 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:31:09,676 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:31:09,676 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:31:09,676 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:31:09,677 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:31:09,677 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:31:09,677 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:31:09,677 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:31:09,677 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:31:09,677 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:31:09,677 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:31:09,678 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 09:31:09,678 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:31:09,678 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:31:09,678 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 09:31:09,678 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_3fb5f75b-2a33-4856-916b-a4ff56edcd17/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 -> 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d [2018-11-18 09:31:09,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:31:09,710 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:31:09,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:31:09,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:31:09,714 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:31:09,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-11-18 09:31:09,749 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/data/fa312826a/f7df41a69bb944d8b2e5af8bf4379834/FLAGaf454dd89 [2018-11-18 09:31:10,176 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:31:10,176 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-11-18 09:31:10,186 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/data/fa312826a/f7df41a69bb944d8b2e5af8bf4379834/FLAGaf454dd89 [2018-11-18 09:31:10,195 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/data/fa312826a/f7df41a69bb944d8b2e5af8bf4379834 [2018-11-18 09:31:10,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:31:10,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:31:10,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:31:10,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:31:10,200 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:31:10,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b59f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10, skipping insertion in model container [2018-11-18 09:31:10,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:31:10,238 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:31:10,418 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:31:10,426 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:31:10,534 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:31:10,558 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:31:10,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10 WrapperNode [2018-11-18 09:31:10,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:31:10,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:31:10,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:31:10,560 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:31:10,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:31:10,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:31:10,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:31:10,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:31:10,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,621 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... [2018-11-18 09:31:10,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:31:10,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:31:10,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:31:10,624 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:31:10,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:31:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:31:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:31:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:31:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:31:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 09:31:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 09:31:10,682 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 09:31:10,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 09:31:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:31:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:31:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:31:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:31:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:31:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 09:31:10,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 09:31:10,683 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:31:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:31:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:31:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:31:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 09:31:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 09:31:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 09:31:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 09:31:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 09:31:10,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 09:31:10,684 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 09:31:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 09:31:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:31:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:31:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:31:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:31:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:31:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:31:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:31:10,685 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:31:10,685 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:31:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:31:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:31:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:31:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:31:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:31:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:31:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:31:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:31:10,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:31:10,686 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:31:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:31:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:31:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:31:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:31:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:31:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:31:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:31:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:31:10,687 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:31:10,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:31:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:31:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:31:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:31:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:31:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:31:10,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:31:10,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:31:11,153 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:31:11,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:31:11 BoogieIcfgContainer [2018-11-18 09:31:11,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:31:11,155 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:31:11,155 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:31:11,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:31:11,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:31:10" (1/3) ... [2018-11-18 09:31:11,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396b6c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:31:11, skipping insertion in model container [2018-11-18 09:31:11,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:31:10" (2/3) ... [2018-11-18 09:31:11,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@396b6c86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:31:11, skipping insertion in model container [2018-11-18 09:31:11,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:31:11" (3/3) ... [2018-11-18 09:31:11,160 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-11-18 09:31:11,168 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:31:11,175 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:31:11,187 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:31:11,213 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:31:11,213 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:31:11,213 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:31:11,213 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:31:11,213 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:31:11,213 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:31:11,214 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:31:11,214 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:31:11,230 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-18 09:31:11,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 09:31:11,236 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:11,237 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:11,239 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:11,242 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:11,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1761918833, now seen corresponding path program 1 times [2018-11-18 09:31:11,243 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:11,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:11,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:11,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:11,273 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:11,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:11,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:31:11,450 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:11,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:31:11,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:31:11,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:31:11,468 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-18 09:31:11,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:11,500 INFO L93 Difference]: Finished difference Result 296 states and 365 transitions. [2018-11-18 09:31:11,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:31:11,501 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 09:31:11,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:11,511 INFO L225 Difference]: With dead ends: 296 [2018-11-18 09:31:11,511 INFO L226 Difference]: Without dead ends: 150 [2018-11-18 09:31:11,514 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:31:11,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-18 09:31:11,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-18 09:31:11,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-18 09:31:11,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-11-18 09:31:11,556 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 59 [2018-11-18 09:31:11,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:11,556 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-11-18 09:31:11,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:31:11,556 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-11-18 09:31:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 09:31:11,558 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:11,558 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:11,558 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:11,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:11,558 INFO L82 PathProgramCache]: Analyzing trace with hash -830842999, now seen corresponding path program 1 times [2018-11-18 09:31:11,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:11,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:11,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:11,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:11,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:11,646 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:11,647 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:11,647 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:31:11,647 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:11,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:31:11,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:31:11,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:31:11,649 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-11-18 09:31:11,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:11,670 INFO L93 Difference]: Finished difference Result 233 states and 273 transitions. [2018-11-18 09:31:11,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:31:11,671 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 09:31:11,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:11,672 INFO L225 Difference]: With dead ends: 233 [2018-11-18 09:31:11,672 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 09:31:11,673 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:31:11,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 09:31:11,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 09:31:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 09:31:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2018-11-18 09:31:11,682 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 61 [2018-11-18 09:31:11,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:11,683 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2018-11-18 09:31:11,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:31:11,683 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2018-11-18 09:31:11,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 09:31:11,684 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:11,685 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:11,685 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:11,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:11,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1725629474, now seen corresponding path program 1 times [2018-11-18 09:31:11,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:11,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:11,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:11,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:11,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:11,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:11,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:11,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:31:11,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:11,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:31:11,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:31:11,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:31:11,823 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 7 states. [2018-11-18 09:31:12,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:12,261 INFO L93 Difference]: Finished difference Result 421 states and 510 transitions. [2018-11-18 09:31:12,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:31:12,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 09:31:12,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:12,264 INFO L225 Difference]: With dead ends: 421 [2018-11-18 09:31:12,264 INFO L226 Difference]: Without dead ends: 309 [2018-11-18 09:31:12,264 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:31:12,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-11-18 09:31:12,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 297. [2018-11-18 09:31:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-11-18 09:31:12,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 359 transitions. [2018-11-18 09:31:12,293 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 359 transitions. Word has length 66 [2018-11-18 09:31:12,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:12,294 INFO L480 AbstractCegarLoop]: Abstraction has 297 states and 359 transitions. [2018-11-18 09:31:12,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:31:12,294 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 359 transitions. [2018-11-18 09:31:12,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 09:31:12,296 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:12,296 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:12,297 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:12,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:12,298 INFO L82 PathProgramCache]: Analyzing trace with hash -1129896582, now seen corresponding path program 1 times [2018-11-18 09:31:12,298 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:12,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:12,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,299 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:12,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 09:31:12,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:12,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:31:12,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:12,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:31:12,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:31:12,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:31:12,391 INFO L87 Difference]: Start difference. First operand 297 states and 359 transitions. Second operand 6 states. [2018-11-18 09:31:12,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:12,564 INFO L93 Difference]: Finished difference Result 685 states and 862 transitions. [2018-11-18 09:31:12,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:31:12,564 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 71 [2018-11-18 09:31:12,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:12,568 INFO L225 Difference]: With dead ends: 685 [2018-11-18 09:31:12,568 INFO L226 Difference]: Without dead ends: 416 [2018-11-18 09:31:12,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:31:12,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2018-11-18 09:31:12,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 402. [2018-11-18 09:31:12,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-11-18 09:31:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 484 transitions. [2018-11-18 09:31:12,596 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 484 transitions. Word has length 71 [2018-11-18 09:31:12,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:12,596 INFO L480 AbstractCegarLoop]: Abstraction has 402 states and 484 transitions. [2018-11-18 09:31:12,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:31:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 484 transitions. [2018-11-18 09:31:12,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 09:31:12,598 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:12,598 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:12,598 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:12,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:12,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1879411290, now seen corresponding path program 1 times [2018-11-18 09:31:12,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:12,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:12,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:12,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:12,677 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:12,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:31:12,678 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:12,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:31:12,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:31:12,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:31:12,679 INFO L87 Difference]: Start difference. First operand 402 states and 484 transitions. Second operand 6 states. [2018-11-18 09:31:12,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:12,727 INFO L93 Difference]: Finished difference Result 786 states and 965 transitions. [2018-11-18 09:31:12,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:31:12,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-11-18 09:31:12,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:12,730 INFO L225 Difference]: With dead ends: 786 [2018-11-18 09:31:12,730 INFO L226 Difference]: Without dead ends: 412 [2018-11-18 09:31:12,732 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:31:12,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2018-11-18 09:31:12,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2018-11-18 09:31:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2018-11-18 09:31:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 494 transitions. [2018-11-18 09:31:12,756 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 494 transitions. Word has length 94 [2018-11-18 09:31:12,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:12,757 INFO L480 AbstractCegarLoop]: Abstraction has 412 states and 494 transitions. [2018-11-18 09:31:12,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:31:12,757 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 494 transitions. [2018-11-18 09:31:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 09:31:12,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:12,759 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:12,759 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:12,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:12,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1177811416, now seen corresponding path program 1 times [2018-11-18 09:31:12,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:12,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:12,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:12,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:12,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:31:12,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:12,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:31:12,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:31:12,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:31:12,867 INFO L87 Difference]: Start difference. First operand 412 states and 494 transitions. Second operand 8 states. [2018-11-18 09:31:12,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:12,897 INFO L93 Difference]: Finished difference Result 810 states and 1004 transitions. [2018-11-18 09:31:12,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:31:12,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-11-18 09:31:12,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:12,900 INFO L225 Difference]: With dead ends: 810 [2018-11-18 09:31:12,900 INFO L226 Difference]: Without dead ends: 426 [2018-11-18 09:31:12,902 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:31:12,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2018-11-18 09:31:12,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 420. [2018-11-18 09:31:12,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-11-18 09:31:12,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 502 transitions. [2018-11-18 09:31:12,917 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 502 transitions. Word has length 94 [2018-11-18 09:31:12,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:12,917 INFO L480 AbstractCegarLoop]: Abstraction has 420 states and 502 transitions. [2018-11-18 09:31:12,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:31:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 502 transitions. [2018-11-18 09:31:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 09:31:12,919 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:12,919 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:12,919 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:12,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:12,920 INFO L82 PathProgramCache]: Analyzing trace with hash 547669481, now seen corresponding path program 1 times [2018-11-18 09:31:12,920 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:12,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:12,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:12,921 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:12,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:12,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:12,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:31:12,998 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:12,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:31:12,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:31:12,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:31:12,999 INFO L87 Difference]: Start difference. First operand 420 states and 502 transitions. Second operand 4 states. [2018-11-18 09:31:13,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:13,172 INFO L93 Difference]: Finished difference Result 1367 states and 1706 transitions. [2018-11-18 09:31:13,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:31:13,172 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-11-18 09:31:13,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:13,176 INFO L225 Difference]: With dead ends: 1367 [2018-11-18 09:31:13,176 INFO L226 Difference]: Without dead ends: 975 [2018-11-18 09:31:13,177 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:31:13,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2018-11-18 09:31:13,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 958. [2018-11-18 09:31:13,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 958 states. [2018-11-18 09:31:13,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1167 transitions. [2018-11-18 09:31:13,209 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1167 transitions. Word has length 94 [2018-11-18 09:31:13,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:13,210 INFO L480 AbstractCegarLoop]: Abstraction has 958 states and 1167 transitions. [2018-11-18 09:31:13,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:31:13,210 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1167 transitions. [2018-11-18 09:31:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 09:31:13,211 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:13,211 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:13,212 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:13,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:13,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2111551983, now seen corresponding path program 1 times [2018-11-18 09:31:13,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:13,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:13,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:13,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:13,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:31:13,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:31:13,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:31:13,315 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:13,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:31:13,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:31:13,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:31:13,316 INFO L87 Difference]: Start difference. First operand 958 states and 1167 transitions. Second operand 9 states. [2018-11-18 09:31:13,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:13,961 INFO L93 Difference]: Finished difference Result 2643 states and 3354 transitions. [2018-11-18 09:31:13,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 09:31:13,961 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2018-11-18 09:31:13,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:13,966 INFO L225 Difference]: With dead ends: 2643 [2018-11-18 09:31:13,967 INFO L226 Difference]: Without dead ends: 1902 [2018-11-18 09:31:13,969 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:31:13,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2018-11-18 09:31:14,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1683. [2018-11-18 09:31:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1683 states. [2018-11-18 09:31:14,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1683 states and 2023 transitions. [2018-11-18 09:31:14,035 INFO L78 Accepts]: Start accepts. Automaton has 1683 states and 2023 transitions. Word has length 98 [2018-11-18 09:31:14,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:14,036 INFO L480 AbstractCegarLoop]: Abstraction has 1683 states and 2023 transitions. [2018-11-18 09:31:14,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:31:14,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1683 states and 2023 transitions. [2018-11-18 09:31:14,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 09:31:14,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:14,040 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:14,040 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:14,040 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:14,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1425863956, now seen corresponding path program 1 times [2018-11-18 09:31:14,040 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:14,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:14,041 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:14,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:14,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:14,173 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 09:31:14,173 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:14,173 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:31:14,174 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 09:31:14,175 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [76], [79], [81], [87], [91], [94], [95], [99], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [142], [148], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [173], [174], [185], [188], [192], [198], [228], [232], [233], [237], [240], [242], [245], [252], [255], [260], [264], [265], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [298], [299], [300], [301], [302], [303], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330], [332], [333], [334], [335], [338], [339] [2018-11-18 09:31:14,203 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:31:14,203 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:31:15,588 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:31:15,589 INFO L272 AbstractInterpreter]: Visited 127 different actions 617 times. Merged at 20 different actions 63 times. Never widened. Performed 20984 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20984 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 09:31:15,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:15,614 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:31:15,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:15,614 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:31:15,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:15,628 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:31:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:15,743 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:31:15,878 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 29 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:31:15,879 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:31:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 09:31:16,200 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:31:16,200 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 09:31:16,200 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:31:16,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 09:31:16,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 09:31:16,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:31:16,201 INFO L87 Difference]: Start difference. First operand 1683 states and 2023 transitions. Second operand 16 states. [2018-11-18 09:31:17,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:17,511 INFO L93 Difference]: Finished difference Result 3906 states and 4907 transitions. [2018-11-18 09:31:17,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 09:31:17,513 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 161 [2018-11-18 09:31:17,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:17,525 INFO L225 Difference]: With dead ends: 3906 [2018-11-18 09:31:17,525 INFO L226 Difference]: Without dead ends: 2434 [2018-11-18 09:31:17,530 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 314 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-11-18 09:31:17,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2434 states. [2018-11-18 09:31:17,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2434 to 2206. [2018-11-18 09:31:17,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2018-11-18 09:31:17,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2630 transitions. [2018-11-18 09:31:17,665 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2630 transitions. Word has length 161 [2018-11-18 09:31:17,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:17,666 INFO L480 AbstractCegarLoop]: Abstraction has 2206 states and 2630 transitions. [2018-11-18 09:31:17,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 09:31:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2630 transitions. [2018-11-18 09:31:17,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-11-18 09:31:17,674 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:17,674 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:17,675 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:17,675 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:17,675 INFO L82 PathProgramCache]: Analyzing trace with hash -615395449, now seen corresponding path program 1 times [2018-11-18 09:31:17,675 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:17,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:17,676 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:17,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:17,676 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 102 proven. 16 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-11-18 09:31:17,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:17,810 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:31:17,810 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-11-18 09:31:17,810 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [75], [76], [79], [81], [84], [87], [91], [94], [95], [99], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [142], [148], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [173], [174], [185], [188], [192], [198], [228], [232], [233], [237], [240], [242], [245], [252], [255], [260], [264], [265], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330], [332], [333], [334], [335], [338], [339] [2018-11-18 09:31:17,813 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:31:17,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:31:18,950 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:31:18,951 INFO L272 AbstractInterpreter]: Visited 128 different actions 591 times. Merged at 20 different actions 64 times. Never widened. Performed 22636 root evaluator evaluations with a maximum evaluation depth of 5. Performed 22636 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 09:31:18,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:18,961 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:31:18,961 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:18,961 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:31:18,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:18,970 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:31:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:19,072 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:31:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 205 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 09:31:19,241 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:31:19,783 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 82 proven. 31 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-11-18 09:31:19,800 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 09:31:19,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 09:31:19,800 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 09:31:19,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 09:31:19,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 09:31:19,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 09:31:19,801 INFO L87 Difference]: Start difference. First operand 2206 states and 2630 transitions. Second operand 18 states. [2018-11-18 09:31:21,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:21,787 INFO L93 Difference]: Finished difference Result 6039 states and 7588 transitions. [2018-11-18 09:31:21,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 09:31:21,788 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 281 [2018-11-18 09:31:21,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:21,797 INFO L225 Difference]: With dead ends: 6039 [2018-11-18 09:31:21,797 INFO L226 Difference]: Without dead ends: 3262 [2018-11-18 09:31:21,802 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 551 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-11-18 09:31:21,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2018-11-18 09:31:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 3055. [2018-11-18 09:31:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3055 states. [2018-11-18 09:31:21,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3055 states to 3055 states and 3588 transitions. [2018-11-18 09:31:21,907 INFO L78 Accepts]: Start accepts. Automaton has 3055 states and 3588 transitions. Word has length 281 [2018-11-18 09:31:21,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:21,908 INFO L480 AbstractCegarLoop]: Abstraction has 3055 states and 3588 transitions. [2018-11-18 09:31:21,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 09:31:21,908 INFO L276 IsEmpty]: Start isEmpty. Operand 3055 states and 3588 transitions. [2018-11-18 09:31:21,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-11-18 09:31:21,914 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:21,915 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:21,915 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:21,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:21,915 INFO L82 PathProgramCache]: Analyzing trace with hash 2091763513, now seen corresponding path program 1 times [2018-11-18 09:31:21,915 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:21,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:21,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:21,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:21,916 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:22,067 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 116 proven. 15 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-11-18 09:31:22,068 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:22,068 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:31:22,068 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 346 with the following transitions: [2018-11-18 09:31:22,068 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [75], [76], [79], [81], [84], [87], [91], [94], [95], [99], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [142], [145], [148], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [173], [174], [185], [188], [192], [195], [198], [228], [232], [233], [237], [240], [242], [245], [252], [255], [260], [264], [265], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [308], [309], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330], [332], [333], [334], [335], [338], [339] [2018-11-18 09:31:22,071 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:31:22,071 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:31:24,056 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:31:24,056 INFO L272 AbstractInterpreter]: Visited 141 different actions 1357 times. Merged at 31 different actions 224 times. Widened at 1 different actions 3 times. Performed 53016 root evaluator evaluations with a maximum evaluation depth of 5. Performed 53016 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 60 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 09:31:24,066 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:24,066 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:31:24,066 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:24,066 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:31:24,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:24,073 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:31:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:24,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:31:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 290 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2018-11-18 09:31:24,274 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:31:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-11-18 09:31:24,529 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:31:24,530 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-11-18 09:31:24,530 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:24,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:31:24,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:31:24,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:31:24,531 INFO L87 Difference]: Start difference. First operand 3055 states and 3588 transitions. Second operand 3 states. [2018-11-18 09:31:24,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:24,622 INFO L93 Difference]: Finished difference Result 4899 states and 5767 transitions. [2018-11-18 09:31:24,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:31:24,623 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 345 [2018-11-18 09:31:24,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:24,629 INFO L225 Difference]: With dead ends: 4899 [2018-11-18 09:31:24,629 INFO L226 Difference]: Without dead ends: 1907 [2018-11-18 09:31:24,633 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:31:24,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2018-11-18 09:31:24,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1867. [2018-11-18 09:31:24,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1867 states. [2018-11-18 09:31:24,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1867 states to 1867 states and 2158 transitions. [2018-11-18 09:31:24,689 INFO L78 Accepts]: Start accepts. Automaton has 1867 states and 2158 transitions. Word has length 345 [2018-11-18 09:31:24,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:24,690 INFO L480 AbstractCegarLoop]: Abstraction has 1867 states and 2158 transitions. [2018-11-18 09:31:24,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:31:24,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1867 states and 2158 transitions. [2018-11-18 09:31:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-11-18 09:31:24,694 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:31:24,695 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:31:24,695 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:31:24,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:24,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1823131348, now seen corresponding path program 1 times [2018-11-18 09:31:24,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 09:31:24,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:24,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:24,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:31:24,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 09:31:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 114 proven. 15 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2018-11-18 09:31:24,801 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:24,801 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 09:31:24,801 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 349 with the following transitions: [2018-11-18 09:31:24,801 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [75], [76], [79], [81], [84], [87], [91], [94], [95], [99], [100], [101], [102], [106], [112], [116], [120], [123], [126], [128], [134], [136], [139], [142], [145], [148], [156], [157], [158], [159], [160], [161], [162], [164], [169], [171], [172], [173], [174], [185], [188], [192], [195], [198], [228], [232], [233], [237], [240], [242], [245], [252], [255], [256], [257], [260], [264], [265], [268], [269], [270], [271], [272], [273], [274], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [322], [323], [328], [329], [330], [332], [333], [334], [335], [338], [339] [2018-11-18 09:31:24,803 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 09:31:24,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 09:31:26,859 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 09:31:26,859 INFO L272 AbstractInterpreter]: Visited 146 different actions 1571 times. Merged at 33 different actions 252 times. Widened at 1 different actions 1 times. Performed 60108 root evaluator evaluations with a maximum evaluation depth of 5. Performed 60108 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 76 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 09:31:26,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:31:26,861 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 09:31:26,861 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:31:26,861 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 09:31:26,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:31:26,867 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 09:31:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:31:26,991 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:31:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 262 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-11-18 09:31:27,143 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 09:31:27,373 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 114 proven. 15 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2018-11-18 09:31:27,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:31:27,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 09:31:27,389 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 09:31:27,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:31:27,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:31:27,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:31:27,389 INFO L87 Difference]: Start difference. First operand 1867 states and 2158 transitions. Second operand 6 states. [2018-11-18 09:31:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:31:27,437 INFO L93 Difference]: Finished difference Result 2270 states and 2607 transitions. [2018-11-18 09:31:27,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:31:27,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 348 [2018-11-18 09:31:27,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:31:27,442 INFO L225 Difference]: With dead ends: 2270 [2018-11-18 09:31:27,442 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:31:27,445 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 707 GetRequests, 691 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:31:27,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:31:27,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:31:27,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:31:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:31:27,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 348 [2018-11-18 09:31:27,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:31:27,446 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:31:27,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:31:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:31:27,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:31:27,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:31:27,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:27,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:31:28,260 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2018-11-18 09:31:28,471 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2018-11-18 09:31:28,732 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2018-11-18 09:31:29,420 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-11-18 09:31:29,883 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2018-11-18 09:31:30,009 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-11-18 09:31:30,205 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 24 [2018-11-18 09:31:30,417 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-11-18 09:31:31,057 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse7 .cse4))) [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2018-11-18 09:31:31,058 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2018-11-18 09:31:31,059 INFO L421 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point L555(lines 555 561) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 564) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L421 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse1 (<= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse2 .cse3) (or (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse3) (or .cse0 .cse6 .cse1 .cse5 .cse3) (or .cse0 .cse2 .cse5 .cse4) (or .cse6 (or .cse5 (or .cse0 .cse4))))) [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L428 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point L548-1(line 548) no Hoare annotation was computed. [2018-11-18 09:31:31,059 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,059 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-11-18 09:31:31,060 INFO L421 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,060 INFO L421 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,060 INFO L425 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-11-18 09:31:31,060 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-11-18 09:31:31,060 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 09:31:31,060 INFO L421 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,060 INFO L421 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,060 INFO L421 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,060 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-11-18 09:31:31,060 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2018-11-18 09:31:31,060 INFO L421 ceAbstractionStarter]: At program point L958(line 958) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-11-18 09:31:31,060 INFO L425 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (or (= |old(~systemActive~0)| 0) .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse1))) [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 946) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L428 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-11-18 09:31:31,061 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-11-18 09:31:31,061 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,062 INFO L421 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (= ~pumpRunning~0 1) (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0)))) [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L421 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 09:31:31,062 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3 (and (<= 1 processEnvironment_~tmp~7) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 833) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L421 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-18 09:31:31,062 INFO L425 ceAbstractionStarter]: For program point L821(lines 821 838) no Hoare annotation was computed. [2018-11-18 09:31:31,063 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 09:31:31,063 INFO L421 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 09:31:31,063 INFO L425 ceAbstractionStarter]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2018-11-18 09:31:31,063 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2018-11-18 09:31:31,063 INFO L425 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-11-18 09:31:31,063 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2018-11-18 09:31:31,063 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2018-11-18 09:31:31,063 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2018-11-18 09:31:31,063 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2018-11-18 09:31:31,063 INFO L421 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse4 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2 .cse6 .cse5) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 .cse5))) [2018-11-18 09:31:31,063 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,063 INFO L425 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point L692-1(lines 692 741) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L421 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 09:31:31,064 INFO L421 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse0 .cse1) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L421 ceAbstractionStarter]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse5 .cse3) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (= ~pumpRunning~0 1) .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse4 .cse3))) [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2018-11-18 09:31:31,064 INFO L421 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse1) (and .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:31:31,064 INFO L425 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L421 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse0 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse6 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L421 ceAbstractionStarter]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse4 .cse2 .cse3 .cse5) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse6 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2018-11-18 09:31:31,065 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L428 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: true [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2018-11-18 09:31:31,066 INFO L421 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-11-18 09:31:31,066 INFO L425 ceAbstractionStarter]: For program point L763(lines 759 781) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L425 ceAbstractionStarter]: For program point L761(lines 759 781) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse7)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse8 .cse0 .cse2 .cse9 .cse5) (or .cse0 .cse8 .cse6 .cse9 .cse5) (or .cse10 .cse0 .cse6 .cse5 .cse11) (or .cse10 .cse0 .cse2 .cse11 .cse5) (or (or .cse0 .cse6 .cse1) .cse3)))) [2018-11-18 09:31:31,067 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L421 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 .cse1 .cse5) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse6 .cse5) (or (or .cse3 .cse2) .cse6)))) [2018-11-18 09:31:31,067 INFO L421 ceAbstractionStarter]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse7 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse2 .cse4) .cse1 (and (= ~pumpRunning~0 1) .cse5)) (or (or .cse0 .cse4) .cse6 .cse1) (or (or (or .cse2 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (= 1 ~waterLevel~0))) (or .cse1 .cse0 .cse6 .cse3)))) [2018-11-18 09:31:31,067 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L428 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-11-18 09:31:31,067 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 418 432) no Hoare annotation was computed. [2018-11-18 09:31:31,067 INFO L428 ceAbstractionStarter]: At program point L418-3(lines 418 432) the Hoare annotation is: true [2018-11-18 09:31:31,068 INFO L428 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-11-18 09:31:31,068 INFO L428 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:31:31,068 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 09:31:31,068 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:31:31,068 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:31:31,069 INFO L421 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 09:31:31,069 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 09:31:31,069 INFO L425 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2018-11-18 09:31:31,069 INFO L421 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 09:31:31,069 INFO L425 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2018-11-18 09:31:31,069 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2018-11-18 09:31:31,069 INFO L425 ceAbstractionStarter]: For program point L795(lines 795 812) no Hoare annotation was computed. [2018-11-18 09:31:31,069 INFO L421 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 09:31:31,069 INFO L425 ceAbstractionStarter]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2018-11-18 09:31:31,069 INFO L421 ceAbstractionStarter]: At program point L805(line 805) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse3 .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 09:31:31,069 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2018-11-18 09:31:31,070 INFO L428 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2018-11-18 09:31:31,070 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2018-11-18 09:31:31,070 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2018-11-18 09:31:31,070 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 .cse3 (or .cse4 .cse5) .cse6) (or .cse3 .cse2 .cse6 .cse5 .cse1) (or .cse2 (or .cse5 .cse0) .cse6 .cse1) (or (= 1 ~waterLevel~0) (or .cse5 .cse0 .cse4)))) [2018-11-18 09:31:31,070 INFO L425 ceAbstractionStarter]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2018-11-18 09:31:31,070 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-11-18 09:31:31,070 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-11-18 09:31:31,070 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-11-18 09:31:31,070 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-11-18 09:31:31,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:31:31 BoogieIcfgContainer [2018-11-18 09:31:31,081 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:31:31,081 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:31:31,081 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:31:31,081 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:31:31,082 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:31:11" (3/4) ... [2018-11-18 09:31:31,085 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:31:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:31:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:31:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:31:31,092 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:31:31,092 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:31:31,092 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:31:31,092 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:31:31,098 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 09:31:31,098 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:31:31,099 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:31:31,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 09:31:31,121 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 09:31:31,156 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3fb5f75b-2a33-4856-916b-a4ff56edcd17/bin-2019/utaipan/witness.graphml [2018-11-18 09:31:31,156 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:31:31,158 INFO L168 Benchmark]: Toolchain (without parser) took 20959.97 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 956.4 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 461.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:31,158 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:31:31,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:31,159 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:31:31,159 INFO L168 Benchmark]: Boogie Preprocessor took 33.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:31,159 INFO L168 Benchmark]: RCFGBuilder took 529.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:31:31,159 INFO L168 Benchmark]: TraceAbstraction took 19926.33 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-18 09:31:31,159 INFO L168 Benchmark]: Witness Printer took 74.96 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 235.4 kB). Peak memory consumption was 235.4 kB. Max. memory is 11.5 GB. [2018-11-18 09:31:31,161 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 361.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 529.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 69.1 MB). Peak memory consumption was 69.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19926.33 ms. Allocated memory was 1.2 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. * Witness Printer took 74.96 ms. Allocated memory is still 2.6 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 235.4 kB). Peak memory consumption was 235.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 418]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 19.8s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2608 SDtfs, 2152 SDslu, 8223 SDs, 0 SdLazy, 5416 SolverSat, 922 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2451 GetRequests, 2279 SyntacticMatches, 22 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3055occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.6s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 743 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4542 PreInvPairs, 4709 NumberOfFragments, 2321 HoareAnnotationTreeSize, 4542 FomulaSimplifications, 10262 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 66 FomulaSimplificationsInter, 25132 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2907 NumberOfCodeBlocks, 2907 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 4022 ConstructedInterpolants, 0 QuantifiedInterpolants, 1379617 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4583 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 3846/3972 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...