./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 79b21ff72ec330797470eae9e06bb1504f09bc51 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:53:36,630 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:53:36,631 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:53:36,643 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:53:36,644 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:53:36,645 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:53:36,648 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:53:36,649 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:53:36,652 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:53:36,654 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:53:36,656 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:53:36,656 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:53:36,657 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:53:36,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:53:36,667 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:53:36,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:53:36,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:53:36,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:53:36,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:53:36,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:53:36,677 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:53:36,678 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:53:36,681 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:53:36,683 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:53:36,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:53:36,684 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:53:36,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:53:36,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:53:36,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:53:36,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:53:36,689 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:53:36,689 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:53:36,689 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:53:36,690 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:53:36,690 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:53:36,691 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:53:36,691 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:53:36,702 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:53:36,702 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:53:36,703 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:53:36,703 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:53:36,703 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:53:36,704 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:53:36,704 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:53:36,704 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:53:36,704 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:53:36,704 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:53:36,704 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:53:36,705 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:53:36,705 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:53:36,705 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:53:36,705 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:53:36,705 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:53:36,705 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:53:36,706 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:53:36,706 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:53:36,706 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:53:36,706 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:53:36,706 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:53:36,706 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:53:36,706 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:53:36,707 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:53:36,707 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:53:36,709 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:53:36,709 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:53:36,709 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:53:36,710 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:53:36,710 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:53:36,710 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:53:36,710 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:53:36,710 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:53:36,710 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_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-10-26 22:53:36,737 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:53:36,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:53:36,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:53:36,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:53:36,752 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:53:36,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-10-26 22:53:36,803 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/data/bf59ee33f/69fab43e9ccb4f84a6fa8fde4115d748/FLAGcc8e7284e [2018-10-26 22:53:37,226 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:53:37,227 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-10-26 22:53:37,245 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/data/bf59ee33f/69fab43e9ccb4f84a6fa8fde4115d748/FLAGcc8e7284e [2018-10-26 22:53:37,257 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/data/bf59ee33f/69fab43e9ccb4f84a6fa8fde4115d748 [2018-10-26 22:53:37,260 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:53:37,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:53:37,262 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:53:37,262 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:53:37,266 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:53:37,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ebf8acf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37, skipping insertion in model container [2018-10-26 22:53:37,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:53:37,316 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:53:37,546 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:53:37,555 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:53:37,618 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:53:37,643 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:53:37,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37 WrapperNode [2018-10-26 22:53:37,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:53:37,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:53:37,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:53:37,645 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:53:37,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,668 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:53:37,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:53:37,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:53:37,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:53:37,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,798 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... [2018-10-26 22:53:37,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:53:37,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:53:37,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:53:37,821 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:53:37,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/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 [2018-10-26 22:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-10-26 22:53:37,877 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-10-26 22:53:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 22:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 22:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:53:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:53:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:53:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 22:53:37,879 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 22:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 22:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 22:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:53:37,880 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:53:37,880 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:53:37,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:53:37,881 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:53:37,882 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:53:37,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:53:37,883 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:53:37,883 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-10-26 22:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-10-26 22:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:53:37,886 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:53:37,886 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:53:37,887 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:53:37,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:53:39,075 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:53:39,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:39 BoogieIcfgContainer [2018-10-26 22:53:39,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:53:39,077 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:53:39,077 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:53:39,080 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:53:39,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:53:37" (1/3) ... [2018-10-26 22:53:39,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1973b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:53:39, skipping insertion in model container [2018-10-26 22:53:39,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:53:37" (2/3) ... [2018-10-26 22:53:39,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f1973b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:53:39, skipping insertion in model container [2018-10-26 22:53:39,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:39" (3/3) ... [2018-10-26 22:53:39,083 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-10-26 22:53:39,092 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:53:39,100 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:53:39,116 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:53:39,146 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:53:39,146 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:53:39,146 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:53:39,146 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:53:39,146 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:53:39,147 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:53:39,147 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:53:39,147 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:53:39,166 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-10-26 22:53:39,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:53:39,174 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:39,175 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:39,177 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:39,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:39,183 INFO L82 PathProgramCache]: Analyzing trace with hash -98208856, now seen corresponding path program 1 times [2018-10-26 22:53:39,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:39,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:39,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:39,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:39,233 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:39,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:39,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:53:39,467 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:39,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:53:39,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:53:39,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:53:39,487 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-10-26 22:53:39,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:39,532 INFO L93 Difference]: Finished difference Result 284 states and 353 transitions. [2018-10-26 22:53:39,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:53:39,534 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 22:53:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:39,546 INFO L225 Difference]: With dead ends: 284 [2018-10-26 22:53:39,546 INFO L226 Difference]: Without dead ends: 142 [2018-10-26 22:53:39,550 INFO L605 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 [2018-10-26 22:53:39,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-10-26 22:53:39,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-10-26 22:53:39,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-10-26 22:53:39,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 168 transitions. [2018-10-26 22:53:39,621 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 168 transitions. Word has length 46 [2018-10-26 22:53:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:39,623 INFO L481 AbstractCegarLoop]: Abstraction has 142 states and 168 transitions. [2018-10-26 22:53:39,624 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:53:39,624 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 168 transitions. [2018-10-26 22:53:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:53:39,626 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:39,626 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:39,627 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:39,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:39,629 INFO L82 PathProgramCache]: Analyzing trace with hash 175555504, now seen corresponding path program 1 times [2018-10-26 22:53:39,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:39,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:39,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:39,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:39,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:39,792 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:39,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:53:39,793 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:39,795 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:53:39,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:53:39,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:53:39,795 INFO L87 Difference]: Start difference. First operand 142 states and 168 transitions. Second operand 3 states. [2018-10-26 22:53:39,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:39,824 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-10-26 22:53:39,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:53:39,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 22:53:39,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:39,827 INFO L225 Difference]: With dead ends: 221 [2018-10-26 22:53:39,827 INFO L226 Difference]: Without dead ends: 132 [2018-10-26 22:53:39,828 INFO L605 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 [2018-10-26 22:53:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-10-26 22:53:39,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-10-26 22:53:39,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-10-26 22:53:39,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-10-26 22:53:39,848 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 48 [2018-10-26 22:53:39,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:39,849 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-10-26 22:53:39,849 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:53:39,849 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-10-26 22:53:39,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:53:39,851 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:39,855 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:39,855 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:39,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:39,856 INFO L82 PathProgramCache]: Analyzing trace with hash 810008198, now seen corresponding path program 1 times [2018-10-26 22:53:39,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:39,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:39,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:39,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:39,857 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:39,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:40,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:40,084 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:40,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:53:40,085 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:40,085 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:53:40,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:53:40,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:53:40,086 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 7 states. [2018-10-26 22:53:41,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:41,411 INFO L93 Difference]: Finished difference Result 399 states and 486 transitions. [2018-10-26 22:53:41,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:53:41,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 22:53:41,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:41,413 INFO L225 Difference]: With dead ends: 399 [2018-10-26 22:53:41,413 INFO L226 Difference]: Without dead ends: 291 [2018-10-26 22:53:41,414 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:53:41,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-10-26 22:53:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 279. [2018-10-26 22:53:41,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-10-26 22:53:41,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 339 transitions. [2018-10-26 22:53:41,455 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 339 transitions. Word has length 53 [2018-10-26 22:53:41,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:41,456 INFO L481 AbstractCegarLoop]: Abstraction has 279 states and 339 transitions. [2018-10-26 22:53:41,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:53:41,456 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 339 transitions. [2018-10-26 22:53:41,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 22:53:41,458 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:41,458 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:41,458 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:41,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:41,459 INFO L82 PathProgramCache]: Analyzing trace with hash -897733199, now seen corresponding path program 1 times [2018-10-26 22:53:41,459 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:41,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:41,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:41,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:41,460 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:41,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:41,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:41,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:53:41,588 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:41,588 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:53:41,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:53:41,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:53:41,589 INFO L87 Difference]: Start difference. First operand 279 states and 339 transitions. Second operand 6 states. [2018-10-26 22:53:41,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:41,842 INFO L93 Difference]: Finished difference Result 774 states and 965 transitions. [2018-10-26 22:53:41,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:53:41,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-10-26 22:53:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:41,859 INFO L225 Difference]: With dead ends: 774 [2018-10-26 22:53:41,860 INFO L226 Difference]: Without dead ends: 519 [2018-10-26 22:53:41,861 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:53:41,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-10-26 22:53:41,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 513. [2018-10-26 22:53:41,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-10-26 22:53:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 628 transitions. [2018-10-26 22:53:41,915 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 628 transitions. Word has length 58 [2018-10-26 22:53:41,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:41,916 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 628 transitions. [2018-10-26 22:53:41,916 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:53:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 628 transitions. [2018-10-26 22:53:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-26 22:53:41,920 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:41,920 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:41,921 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:41,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:41,921 INFO L82 PathProgramCache]: Analyzing trace with hash 691199797, now seen corresponding path program 1 times [2018-10-26 22:53:41,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:41,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:41,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:41,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:41,922 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:53:42,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:42,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:53:42,062 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:42,062 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:53:42,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:53:42,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:53:42,064 INFO L87 Difference]: Start difference. First operand 513 states and 628 transitions. Second operand 7 states. [2018-10-26 22:53:42,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:42,829 INFO L93 Difference]: Finished difference Result 1368 states and 1781 transitions. [2018-10-26 22:53:42,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 22:53:42,830 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-10-26 22:53:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:42,837 INFO L225 Difference]: With dead ends: 1368 [2018-10-26 22:53:42,837 INFO L226 Difference]: Without dead ends: 879 [2018-10-26 22:53:42,839 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:53:42,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2018-10-26 22:53:42,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 775. [2018-10-26 22:53:42,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 775 states. [2018-10-26 22:53:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 937 transitions. [2018-10-26 22:53:42,901 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 937 transitions. Word has length 62 [2018-10-26 22:53:42,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:42,901 INFO L481 AbstractCegarLoop]: Abstraction has 775 states and 937 transitions. [2018-10-26 22:53:42,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:53:42,902 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 937 transitions. [2018-10-26 22:53:42,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:53:42,905 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:42,905 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:42,906 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:42,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:42,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2103129821, now seen corresponding path program 1 times [2018-10-26 22:53:42,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:42,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:42,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:42,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:42,907 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:53:43,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:43,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:53:43,061 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:43,061 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:53:43,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:53:43,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:53:43,062 INFO L87 Difference]: Start difference. First operand 775 states and 937 transitions. Second operand 6 states. [2018-10-26 22:53:43,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:43,152 INFO L93 Difference]: Finished difference Result 1554 states and 1938 transitions. [2018-10-26 22:53:43,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:53:43,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 100 [2018-10-26 22:53:43,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:43,159 INFO L225 Difference]: With dead ends: 1554 [2018-10-26 22:53:43,159 INFO L226 Difference]: Without dead ends: 803 [2018-10-26 22:53:43,162 INFO L605 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 [2018-10-26 22:53:43,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2018-10-26 22:53:43,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 795. [2018-10-26 22:53:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 795 states. [2018-10-26 22:53:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 957 transitions. [2018-10-26 22:53:43,223 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 957 transitions. Word has length 100 [2018-10-26 22:53:43,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:43,225 INFO L481 AbstractCegarLoop]: Abstraction has 795 states and 957 transitions. [2018-10-26 22:53:43,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:53:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 957 transitions. [2018-10-26 22:53:43,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:53:43,230 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:43,230 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:43,230 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:43,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:43,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1298351137, now seen corresponding path program 1 times [2018-10-26 22:53:43,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:43,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:43,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:43,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:43,234 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:43,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:53:43,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:43,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:53:43,635 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:43,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:53:43,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:53:43,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:53:43,636 INFO L87 Difference]: Start difference. First operand 795 states and 957 transitions. Second operand 8 states. [2018-10-26 22:53:44,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:44,044 INFO L93 Difference]: Finished difference Result 1594 states and 1978 transitions. [2018-10-26 22:53:44,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:53:44,044 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 100 [2018-10-26 22:53:44,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:44,048 INFO L225 Difference]: With dead ends: 1594 [2018-10-26 22:53:44,048 INFO L226 Difference]: Without dead ends: 823 [2018-10-26 22:53:44,050 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:53:44,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-10-26 22:53:44,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 811. [2018-10-26 22:53:44,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-10-26 22:53:44,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 973 transitions. [2018-10-26 22:53:44,090 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 973 transitions. Word has length 100 [2018-10-26 22:53:44,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:44,091 INFO L481 AbstractCegarLoop]: Abstraction has 811 states and 973 transitions. [2018-10-26 22:53:44,091 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:53:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 973 transitions. [2018-10-26 22:53:44,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 22:53:44,093 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:44,094 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:44,094 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:44,094 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:44,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1306110496, now seen corresponding path program 1 times [2018-10-26 22:53:44,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:44,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:44,095 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:44,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:44,097 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:44,461 WARN L179 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-10-26 22:53:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-26 22:53:44,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:53:44,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:53:44,472 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:53:44,473 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:53:44,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:53:44,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:53:44,473 INFO L87 Difference]: Start difference. First operand 811 states and 973 transitions. Second operand 4 states. [2018-10-26 22:53:45,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:53:45,865 INFO L93 Difference]: Finished difference Result 2579 states and 3242 transitions. [2018-10-26 22:53:45,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:53:45,866 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-10-26 22:53:45,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:53:45,875 INFO L225 Difference]: With dead ends: 2579 [2018-10-26 22:53:45,875 INFO L226 Difference]: Without dead ends: 1792 [2018-10-26 22:53:45,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:53:45,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2018-10-26 22:53:45,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1761. [2018-10-26 22:53:45,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1761 states. [2018-10-26 22:53:45,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2165 transitions. [2018-10-26 22:53:45,990 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2165 transitions. Word has length 100 [2018-10-26 22:53:45,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:53:45,991 INFO L481 AbstractCegarLoop]: Abstraction has 1761 states and 2165 transitions. [2018-10-26 22:53:45,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:53:45,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2165 transitions. [2018-10-26 22:53:45,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 22:53:45,996 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:53:45,996 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:53:45,997 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:53:45,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:45,997 INFO L82 PathProgramCache]: Analyzing trace with hash 296510726, now seen corresponding path program 1 times [2018-10-26 22:53:45,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:53:45,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:45,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:53:45,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:53:45,998 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:53:46,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:53:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 22:53:46,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:53:46,561 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:53:46,562 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 105 with the following transitions: [2018-10-26 22:53:46,564 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [61], [62], [63], [78], [81], [83], [87], [93], [97], [101], [104], [109], [112], [117], [123], [129], [137], [138], [139], [140], [141], [143], [148], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [204], [208], [225], [230], [234], [235], [238], [240], [243], [245], [248], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [270], [277], [279], [280], [287], [288], [289], [290], [291], [292], [297], [301], [302], [303], [304], [305], [306], [313], [314], [315], [317], [318], [319], [321], [322], [323], [324], [325] [2018-10-26 22:53:46,617 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:53:46,617 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:53:54,101 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:53:54,102 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-10-26 22:53:54,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:53:54,116 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:54:00,250 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 97.14% of their original sizes. [2018-10-26 22:54:00,250 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:54:01,402 INFO L415 sIntCurrentIteration]: We unified 103 AI predicates to 103 [2018-10-26 22:54:01,402 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:54:01,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:54:01,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-10-26 22:54:01,403 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:54:01,404 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-26 22:54:01,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-26 22:54:01,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-10-26 22:54:01,404 INFO L87 Difference]: Start difference. First operand 1761 states and 2165 transitions. Second operand 28 states. [2018-10-26 22:54:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:54:54,886 INFO L93 Difference]: Finished difference Result 3865 states and 4831 transitions. [2018-10-26 22:54:54,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-10-26 22:54:54,886 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 104 [2018-10-26 22:54:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:54:54,896 INFO L225 Difference]: With dead ends: 3865 [2018-10-26 22:54:54,897 INFO L226 Difference]: Without dead ends: 2128 [2018-10-26 22:54:54,902 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 131 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 756 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=299, Invalid=2781, Unknown=0, NotChecked=0, Total=3080 [2018-10-26 22:54:54,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2018-10-26 22:54:55,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2068. [2018-10-26 22:54:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2068 states. [2018-10-26 22:54:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2068 states to 2068 states and 2454 transitions. [2018-10-26 22:54:55,035 INFO L78 Accepts]: Start accepts. Automaton has 2068 states and 2454 transitions. Word has length 104 [2018-10-26 22:54:55,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:54:55,036 INFO L481 AbstractCegarLoop]: Abstraction has 2068 states and 2454 transitions. [2018-10-26 22:54:55,036 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-26 22:54:55,037 INFO L276 IsEmpty]: Start isEmpty. Operand 2068 states and 2454 transitions. [2018-10-26 22:54:55,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-26 22:54:55,044 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:54:55,045 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:54:55,045 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:54:55,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:54:55,045 INFO L82 PathProgramCache]: Analyzing trace with hash -740906351, now seen corresponding path program 1 times [2018-10-26 22:54:55,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:54:55,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:55,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:54:55,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:54:55,047 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:54:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:54:55,376 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 23 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:54:55,376 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:54:55,376 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:54:55,377 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-10-26 22:54:55,378 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [61], [62], [63], [66], [68], [74], [78], [81], [82], [83], [87], [93], [97], [101], [104], [109], [112], [115], [117], [123], [129], [137], [138], [139], [140], [141], [143], [148], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [201], [204], [208], [214], [217], [221], [225], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [270], [273], [274], [277], [279], [280], [281], [282], [285], [286], [287], [288], [289], [290], [291], [292], [297], [298], [301], [302], [303], [304], [305], [306], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322], [323], [324], [325] [2018-10-26 22:54:55,384 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:54:55,389 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:55:53,267 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:55:53,267 INFO L272 AbstractInterpreter]: Visited 103 different actions 422 times. Merged at 14 different actions 49 times. Never widened. Found 5 fixpoints after 4 different actions. Largest state had 133 variables. [2018-10-26 22:55:53,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:55:53,279 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:56:11,924 INFO L227 lantSequenceWeakener]: Weakened 129 states. On average, predicates are now at 96.63% of their original sizes. [2018-10-26 22:56:11,926 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:56:14,276 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-10-26 22:56:14,276 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:56:14,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:56:14,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [45] imperfect sequences [5] total 48 [2018-10-26 22:56:14,276 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:56:14,278 INFO L460 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-10-26 22:56:14,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-10-26 22:56:14,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1778, Unknown=0, NotChecked=0, Total=1980 [2018-10-26 22:56:14,279 INFO L87 Difference]: Start difference. First operand 2068 states and 2454 transitions. Second operand 45 states. [2018-10-26 22:57:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:57:13,623 INFO L93 Difference]: Finished difference Result 5412 states and 6532 transitions. [2018-10-26 22:57:13,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-10-26 22:57:13,624 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 161 [2018-10-26 22:57:13,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:57:13,640 INFO L225 Difference]: With dead ends: 5412 [2018-10-26 22:57:13,640 INFO L226 Difference]: Without dead ends: 3756 [2018-10-26 22:57:13,647 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 217 GetRequests, 102 SyntacticMatches, 15 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3296 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=755, Invalid=9547, Unknown=0, NotChecked=0, Total=10302 [2018-10-26 22:57:13,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3756 states. [2018-10-26 22:57:13,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3756 to 3567. [2018-10-26 22:57:13,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3567 states. [2018-10-26 22:57:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3567 states and 4180 transitions. [2018-10-26 22:57:13,912 INFO L78 Accepts]: Start accepts. Automaton has 3567 states and 4180 transitions. Word has length 161 [2018-10-26 22:57:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:57:13,912 INFO L481 AbstractCegarLoop]: Abstraction has 3567 states and 4180 transitions. [2018-10-26 22:57:13,912 INFO L482 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-10-26 22:57:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 3567 states and 4180 transitions. [2018-10-26 22:57:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 22:57:13,922 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:57:13,923 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:57:13,923 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:57:13,923 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:57:13,923 INFO L82 PathProgramCache]: Analyzing trace with hash -975973222, now seen corresponding path program 1 times [2018-10-26 22:57:13,923 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:57:13,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:57:13,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:57:13,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:57:13,924 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:57:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-10-26 22:57:14,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:57:14,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-26 22:57:14,123 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:57:14,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-26 22:57:14,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-26 22:57:14,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:57:14,125 INFO L87 Difference]: Start difference. First operand 3567 states and 4180 transitions. Second operand 4 states. [2018-10-26 22:57:14,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:57:14,529 INFO L93 Difference]: Finished difference Result 5294 states and 6229 transitions. [2018-10-26 22:57:14,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-26 22:57:14,529 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-10-26 22:57:14,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:57:14,540 INFO L225 Difference]: With dead ends: 5294 [2018-10-26 22:57:14,540 INFO L226 Difference]: Without dead ends: 2548 [2018-10-26 22:57:14,547 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-26 22:57:14,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2548 states. [2018-10-26 22:57:14,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2548 to 2493. [2018-10-26 22:57:14,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2018-10-26 22:57:14,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2869 transitions. [2018-10-26 22:57:14,763 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2869 transitions. Word has length 165 [2018-10-26 22:57:14,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:57:14,764 INFO L481 AbstractCegarLoop]: Abstraction has 2493 states and 2869 transitions. [2018-10-26 22:57:14,764 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-26 22:57:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2869 transitions. [2018-10-26 22:57:14,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 22:57:14,769 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:57:14,770 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:57:14,770 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:57:14,770 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:57:14,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1134909065, now seen corresponding path program 1 times [2018-10-26 22:57:14,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:57:14,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:57:14,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:57:14,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:57:14,771 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:57:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:15,720 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 22:57:15,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:57:15,720 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:57:15,721 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-10-26 22:57:15,721 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [61], [62], [63], [66], [68], [74], [78], [81], [82], [83], [87], [93], [97], [101], [104], [107], [109], [112], [115], [117], [123], [129], [137], [138], [139], [140], [141], [143], [148], [151], [152], [154], [159], [161], [162], [167], [169], [170], [171], [201], [204], [208], [214], [217], [221], [225], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [270], [273], [274], [277], [279], [280], [281], [282], [285], [286], [287], [288], [289], [290], [291], [292], [297], [298], [301], [302], [303], [304], [305], [306], [311], [312], [313], [314], [315], [316], [317], [318], [319], [321], [322], [323], [324], [325] [2018-10-26 22:57:15,724 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:57:15,724 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 23:01:29,459 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 23:01:29,459 INFO L272 AbstractInterpreter]: Visited 117 different actions 2605 times. Merged at 22 different actions 241 times. Widened at 1 different actions 2 times. Found 46 fixpoints after 7 different actions. Largest state had 133 variables. [2018-10-26 23:01:29,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 23:01:29,461 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 23:02:08,502 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 96.81% of their original sizes. [2018-10-26 23:02:08,502 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 23:02:10,971 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-10-26 23:02:10,971 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 23:02:10,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 23:02:10,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [57] imperfect sequences [13] total 68 [2018-10-26 23:02:10,972 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 23:02:10,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-10-26 23:02:10,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-10-26 23:02:10,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=2867, Unknown=0, NotChecked=0, Total=3192 [2018-10-26 23:02:10,973 INFO L87 Difference]: Start difference. First operand 2493 states and 2869 transitions. Second operand 57 states. [2018-10-26 23:04:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 23:04:02,655 INFO L93 Difference]: Finished difference Result 5732 states and 7196 transitions. [2018-10-26 23:04:02,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-10-26 23:04:02,655 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 157 [2018-10-26 23:04:02,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 23:04:02,657 INFO L225 Difference]: With dead ends: 5732 [2018-10-26 23:04:02,657 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 23:04:02,674 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 269 GetRequests, 95 SyntacticMatches, 6 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9938 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=2216, Invalid=26514, Unknown=0, NotChecked=0, Total=28730 [2018-10-26 23:04:02,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 23:04:02,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 23:04:02,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 23:04:02,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 23:04:02,677 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-10-26 23:04:02,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 23:04:02,677 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 23:04:02,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-10-26 23:04:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 23:04:02,677 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 23:04:02,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 23:04:02,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:02,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:02,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:02,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:03,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:03,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:03,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:03,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:03,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:04,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:04,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:04,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:05,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:05,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:05,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:05,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:05,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:05,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:06,864 WARN L179 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 482 DAG size of output: 430 [2018-10-26 23:04:08,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:08,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:09,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:09,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:09,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:09,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:09,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:09,571 WARN L179 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 536 DAG size of output: 478 [2018-10-26 23:04:09,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:10,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:11,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:11,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:11,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:11,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:11,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:12,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:13,129 WARN L179 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 570 DAG size of output: 503 [2018-10-26 23:04:13,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:13,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:13,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:14,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:15,447 WARN L179 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 475 DAG size of output: 407 [2018-10-26 23:04:16,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:16,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,506 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:17,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:18,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:19,902 WARN L179 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 516 DAG size of output: 465 [2018-10-26 23:04:20,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,131 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:20,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,194 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:21,995 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 23:04:22,237 WARN L179 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 469 DAG size of output: 420 [2018-10-26 23:04:22,911 WARN L179 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 21 [2018-10-26 23:04:23,946 WARN L179 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 348 DAG size of output: 39 [2018-10-26 23:04:25,903 WARN L179 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 510 DAG size of output: 45 [2018-10-26 23:04:26,631 WARN L179 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 44 [2018-10-26 23:04:27,010 WARN L179 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 1 [2018-10-26 23:04:27,261 WARN L179 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-26 23:04:27,364 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2018-10-26 23:04:27,468 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2018-10-26 23:04:27,765 WARN L179 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 1 [2018-10-26 23:04:29,060 WARN L179 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 430 DAG size of output: 46 [2018-10-26 23:04:31,410 WARN L179 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 561 DAG size of output: 42 [2018-10-26 23:04:32,305 WARN L179 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2018-10-26 23:04:32,717 WARN L179 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 29 [2018-10-26 23:04:33,138 WARN L179 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 32 [2018-10-26 23:04:33,376 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-26 23:04:34,858 WARN L179 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 467 DAG size of output: 54 [2018-10-26 23:04:35,163 WARN L179 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 1 [2018-10-26 23:04:38,451 WARN L179 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 581 DAG size of output: 43 [2018-10-26 23:04:40,366 WARN L179 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 423 DAG size of output: 108 [2018-10-26 23:04:40,748 WARN L179 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 36 [2018-10-26 23:04:40,914 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 1 [2018-10-26 23:04:41,908 WARN L179 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 55 [2018-10-26 23:04:42,353 WARN L179 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 29 [2018-10-26 23:04:42,472 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-10-26 23:04:42,591 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 38 [2018-10-26 23:04:43,164 WARN L179 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 31 [2018-10-26 23:04:44,825 WARN L179 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 488 DAG size of output: 43 [2018-10-26 23:04:46,140 WARN L179 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 335 DAG size of output: 96 [2018-10-26 23:04:48,388 WARN L179 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 397 DAG size of output: 111 [2018-10-26 23:04:48,887 WARN L179 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 38 [2018-10-26 23:04:49,691 WARN L179 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 41 [2018-10-26 23:04:50,246 WARN L179 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 49 [2018-10-26 23:04:50,894 WARN L179 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 54 [2018-10-26 23:04:51,837 WARN L179 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 1 [2018-10-26 23:04:51,939 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2018-10-26 23:04:52,167 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 1 [2018-10-26 23:04:53,493 WARN L179 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 311 DAG size of output: 56 [2018-10-26 23:04:53,879 WARN L179 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 330 DAG size of output: 1 [2018-10-26 23:04:54,590 WARN L179 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 57 [2018-10-26 23:04:56,374 WARN L179 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 356 DAG size of output: 72 [2018-10-26 23:04:57,177 WARN L179 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 35 [2018-10-26 23:04:57,810 WARN L179 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 19 [2018-10-26 23:05:00,734 WARN L179 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 545 DAG size of output: 44 [2018-10-26 23:05:01,133 WARN L179 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 1 [2018-10-26 23:05:02,011 WARN L179 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 37 [2018-10-26 23:05:04,769 WARN L179 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 580 DAG size of output: 66 [2018-10-26 23:05:07,075 WARN L179 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 404 DAG size of output: 99 [2018-10-26 23:05:09,205 WARN L179 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 502 DAG size of output: 45 [2018-10-26 23:05:09,208 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-10-26 23:05:09,208 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-10-26 23:05:09,208 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-10-26 23:05:09,209 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-10-26 23:05:09,209 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-10-26 23:05:09,209 INFO L421 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,209 INFO L421 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,209 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,209 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-10-26 23:05:09,209 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-10-26 23:05:09,210 INFO L421 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= ~systemActive~0 main_~tmp~0) (<= main_~tmp~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,210 INFO L421 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= ~systemActive~0 main_~tmp~0) (<= main_~tmp~0 (+ ~pumpRunning~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,210 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-10-26 23:05:09,210 INFO L425 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-10-26 23:05:09,212 INFO L425 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-10-26 23:05:09,212 INFO L421 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,212 INFO L421 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (and (let ((.cse0 (+ ~methaneLevelCritical~0 1))) (or (and (<= ~pumpRunning~0 .cse0) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< |old(~pumpRunning~0)| .cse0))) (let ((.cse1 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse1 ~systemActive~0) (< (* 2 ~systemActive~0) 2) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse1 ~methaneLevelCritical~0)))) [2018-10-26 23:05:09,213 INFO L425 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-10-26 23:05:09,213 INFO L421 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (let ((.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (< .cse0 ~systemActive~0)) (.cse3 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (and .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3 .cse4 .cse5) (or (and (= ~pumpRunning~0 0) .cse1) (not (= ~methaneLevelCritical~0 1)) .cse2 (< (* 2 ~systemActive~0) 2) (< 0 (* 2 |old(~pumpRunning~0)|))) (or .cse3 .cse4 .cse5 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)))))) [2018-10-26 23:05:09,213 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (let ((.cse3 (+ ~methaneLevelCritical~0 1))) (or (and (<= ~pumpRunning~0 .cse3) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) .cse1 .cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< |old(~pumpRunning~0)| .cse3))) (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 1)) .cse0 (< (* 2 ~systemActive~0) 2) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 23:05:09,213 INFO L421 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (let ((.cse0 (+ ~methaneLevelCritical~0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse3 (* 2 |old(~pumpRunning~0)|)) (.cse2 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0)) (.cse4 (< .cse1 1)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (<= (+ processEnvironment__wrappee__methaneQuery_~tmp~5 1) ~waterLevel~0) (<= 1 .cse0)) (< 1 .cse1) .cse2 (< 2 .cse3) .cse4 (< ~waterLevel~0 ~systemActive~0) .cse5 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (and (not (= ~waterLevel~0 1)) (<= 2 .cse0) (<= (* 2 processEnvironment__wrappee__methaneQuery_~tmp~5) 2) (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 1)) .cse2 (< (* 2 ~systemActive~0) 2) (< 0 .cse3)) (or .cse2 .cse4 .cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))))) [2018-10-26 23:05:09,213 INFO L425 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-10-26 23:05:09,213 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-10-26 23:05:09,214 INFO L421 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0)) (.cse1 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 1)) .cse0 (< (* 2 ~systemActive~0) 2) (< 0 (* 2 |old(~pumpRunning~0)|))) (or .cse0 .cse1 .cse2 .cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse1 .cse2 .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-10-26 23:05:09,214 INFO L425 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-10-26 23:05:09,214 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-10-26 23:05:09,214 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-10-26 23:05:09,214 INFO L421 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse0 (< 2 (+ |old(~pumpRunning~0)| |old(~systemActive~0)|))) (.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (or (and (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= ~pumpRunning~0 ~systemActive~0)) (< (* 2 |old(~systemActive~0)|) 2) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse0 (< .cse1 1)) (or (<= ~systemActive~0 ~pumpRunning~0) (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1) (not (= ~methaneLevelCritical~0 0)) .cse0 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (or (< .cse1 0) (< 0 (* 2 |old(~pumpRunning~0)|))) (< (+ |old(~pumpRunning~0)| 1) ~methaneLevelCritical~0)))) [2018-10-26 23:05:09,214 INFO L425 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-10-26 23:05:09,214 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse7 (+ ~methaneLevelCritical~0 |old(~systemActive~0)|)) (.cse6 (+ |old(~pumpRunning~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (< 2 (+ |old(~pumpRunning~0)| |old(~systemActive~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (* 2 |old(~pumpRunning~0)|)) (.cse2 (or (not (= 0 |old(~pumpRunning~0)|)) .cse4)) (.cse8 (< .cse6 |old(~systemActive~0)|)) (.cse3 (< .cse7 1))) (and (or (and .cse0 (<= ~pumpRunning~0 ~systemActive~0)) (< (* 2 |old(~systemActive~0)|) 2) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1)) (or .cse2 .cse0) (or (<= ~systemActive~0 ~pumpRunning~0) .cse3 .cse4 .cse1 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or .cse0 (or (< (* 2 ~methaneLevelCritical~0) 2) (< 0 .cse5)) (< .cse6 ~methaneLevelCritical~0)) (or (and (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~systemActive~0 ~methaneLevelCritical~0)) (not (= |old(~systemActive~0)| 1)) (< .cse7 2) (< |old(~systemActive~0)| ~methaneLevelCritical~0) .cse8 (< 2 .cse5)) (or .cse2 (= ~systemActive~0 1) .cse8 .cse3)))) [2018-10-26 23:05:09,214 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-10-26 23:05:09,214 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-10-26 23:05:09,215 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-10-26 23:05:09,215 INFO L428 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-10-26 23:05:09,215 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (* 2 ~systemActive~0) 2) (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1)) [2018-10-26 23:05:09,216 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-10-26 23:05:09,216 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-10-26 23:05:09,216 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0)) (.cse2 (< (* 2 ~systemActive~0) 2))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 .cse2 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1)) (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-10-26 23:05:09,216 INFO L421 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse2 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0)) (.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1)) (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (< 0 (* 2 |old(~pumpRunning~0)|))) (or .cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-10-26 23:05:09,217 INFO L425 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-10-26 23:05:09,217 INFO L421 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (< (* 2 |old(~pumpRunning~0)|) 2) .cse1) (let ((.cse2 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse2 ~systemActive~0) .cse0 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0) (< .cse2 ~methaneLevelCritical~0))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1)) (and (<= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= ~pumpRunning~0 (+ processEnvironment_~tmp~6 1)))))) [2018-10-26 23:05:09,217 INFO L421 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse1 (< (* 2 ~systemActive~0) 2)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse0 ~systemActive~0) .cse1 (< .cse2 0) (< .cse0 ~methaneLevelCritical~0))) (or .cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 (< .cse2 1) (and (<= ~pumpRunning~0 ~systemActive~0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) (<= processEnvironment_~tmp~6 ~pumpRunning~0))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-10-26 23:05:09,217 INFO L425 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-10-26 23:05:09,217 INFO L421 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (< (* 2 ~systemActive~0) 2)) (.cse1 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)) (< .cse1 1)) (let ((.cse2 (+ |old(~pumpRunning~0)| 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse2 ~systemActive~0) .cse0 (< .cse1 0) (< .cse2 ~methaneLevelCritical~0))))) [2018-10-26 23:05:09,217 INFO L425 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-10-26 23:05:09,217 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-10-26 23:05:09,217 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-10-26 23:05:09,217 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-10-26 23:05:09,217 INFO L425 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-10-26 23:05:09,218 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,218 INFO L421 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (let ((.cse0 (<= 1 .cse2)) (.cse1 (= 0 ~pumpRunning~0)) (.cse4 (* 2 ~methaneLevelCritical~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 1) .cse0 .cse1 (<= .cse2 2) .cse3) (and (<= .cse4 0) (<= ~systemActive~0 ~pumpRunning~0) .cse0 (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) .cse3) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (= ~systemActive~0 0) .cse1 (<= 0 .cse4) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1)) .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-10-26 23:05:09,218 INFO L421 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 (<= 2 (* 2 ~methaneLevelCritical~0)) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1)) .cse1) (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (= ~systemActive~0 1) (<= 1 .cse2) .cse0 (<= .cse2 2) .cse1)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~systemActive~0 ~pumpRunning~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= ~methaneLevelCritical~0 ~systemActive~0) .cse1 (<= ~pumpRunning~0 ~systemActive~0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 23:05:09,218 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-10-26 23:05:09,218 INFO L425 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-10-26 23:05:09,218 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-10-26 23:05:09,218 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-10-26 23:05:09,218 INFO L425 ceAbstractionStarter]: For program point L878-1(lines 878 927) no Hoare annotation was computed. [2018-10-26 23:05:09,219 INFO L421 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 23:05:09,219 INFO L421 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (and (= ~pumpRunning~0 0) .cse0 (<= ~pumpRunning~0 ~methaneLevelCritical~0)) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1))) (and (<= ~systemActive~0 ~pumpRunning~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (<= ~methaneLevelCritical~0 ~systemActive~0) (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2) .cse0 (<= ~pumpRunning~0 ~systemActive~0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 23:05:09,219 INFO L425 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-10-26 23:05:09,220 INFO L421 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse0 (* 2 |old(~pumpRunning~0)|)) (.cse2 (= test_~splverifierCounter~0 0))) (or (< 0 .cse0) (let ((.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (= ~systemActive~0 1) (<= 1 .cse1) (<= 0 (* 2 ~pumpRunning~0)) (<= .cse1 2) .cse2 (<= ~pumpRunning~0 ~systemActive~0))) (< 2 (+ |old(~systemActive~0)| |old(~waterLevel~0)|)) (< (* 2 |old(~waterLevel~0)|) 2) (< .cse0 0) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) (<= 0 (* 2 ~methaneLevelCritical~0)) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1)) .cse2) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 23:05:09,220 INFO L425 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-10-26 23:05:09,220 INFO L421 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse1 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse0 (* 2 |old(~pumpRunning~0)|))) (or (< 0 .cse0) (and (<= ~systemActive~0 ~pumpRunning~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 1 .cse1) (<= ~methaneLevelCritical~0 ~systemActive~0) (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2) .cse2 (<= ~pumpRunning~0 ~systemActive~0)) (< 2 (+ |old(~systemActive~0)| |old(~waterLevel~0)|)) (< (* 2 |old(~waterLevel~0)|) 2) (and (<= 0 .cse1) (<= .cse1 1) (= ~pumpRunning~0 0) .cse2) (< .cse0 0) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 23:05:09,220 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-10-26 23:05:09,220 INFO L421 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~systemActive~0 0) .cse0 (<= 2 (* 2 ~methaneLevelCritical~0)) (<= ~methaneLevelCritical~0 (+ ~pumpRunning~0 1)) .cse1) (let ((.cse2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (= ~systemActive~0 1) (<= 1 .cse2) .cse0 (<= .cse2 2) .cse1)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~systemActive~0 ~pumpRunning~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= ~methaneLevelCritical~0 ~systemActive~0) .cse1 (<= ~pumpRunning~0 ~systemActive~0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 23:05:09,220 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-10-26 23:05:09,220 INFO L425 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-10-26 23:05:09,220 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0))) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:05:09,221 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-10-26 23:05:09,221 INFO L421 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse4 (+ |old(~pumpRunning~0)| 1))) (let ((.cse2 (< (* 2 ~systemActive~0) 2)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (< .cse4 ~systemActive~0)) (.cse3 (+ ~methaneLevelCritical~0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 activatePump_~tmp~7) (<= activatePump_~tmp~7 ~methaneLevelCritical~0)) (< 1 .cse3) (< ~systemActive~0 .cse4) (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse2 (< (+ ~methaneLevelCritical~0 2) ~waterLevel~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 (< .cse3 1) (not (= ~methaneLevelCritical~0 0)) (< 0 (* 2 |old(~pumpRunning~0)|)))))) [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-10-26 23:05:09,221 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 (= 0 ~pumpRunning~0) (< (* 2 ~systemActive~0) 2)) (or .cse1 .cse0 .cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-10-26 23:05:09,221 INFO L425 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L421 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 (= 0 ~pumpRunning~0) (< (* 2 ~systemActive~0) 2)) (or .cse1 .cse0 .cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L428 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-10-26 23:05:09,222 INFO L425 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-10-26 23:05:09,223 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse8 (+ ~pumpRunning~0 1)) (.cse0 (* 2 ~methaneLevelCritical~0))) (let ((.cse4 (not (= ~systemActive~0 0))) (.cse7 (<= 2 .cse0)) (.cse9 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (* 2 ~pumpRunning~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse10 (< .cse8 ~systemActive~0)) (.cse2 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or (and (<= .cse0 0) (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (< 2 .cse1) .cse2 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|) 1) (< ~pumpRunning~0 (+ |old(~methaneLevelCritical~0)| 1))) (or .cse3 .cse4 .cse5 .cse6) (or (and .cse7 (<= ~methaneLevelCritical~0 .cse8)) .cse9 .cse3 .cse4) (or (and .cse7 (<= ~methaneLevelCritical~0 ~systemActive~0)) .cse9 .cse10 (< (* 2 ~systemActive~0) 2) (< 0 .cse1)) (or .cse3 .cse10 .cse2 .cse6 .cse5)))) [2018-10-26 23:05:09,223 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-10-26 23:05:09,223 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-10-26 23:05:09,223 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-10-26 23:05:09,225 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-10-26 23:05:09,225 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-10-26 23:05:09,225 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-10-26 23:05:09,225 INFO L428 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-10-26 23:05:09,225 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 153 167) no Hoare annotation was computed. [2018-10-26 23:05:09,225 INFO L428 ceAbstractionStarter]: At program point L153-3(lines 153 167) the Hoare annotation is: true [2018-10-26 23:05:09,225 INFO L428 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-10-26 23:05:09,225 INFO L425 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-10-26 23:05:09,225 INFO L428 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-10-26 23:05:09,225 INFO L425 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-10-26 23:05:09,226 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-10-26 23:05:09,226 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-10-26 23:05:09,226 INFO L421 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse19 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse21 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse20 (+ |old(~pumpRunning~0)| 1))) (let ((.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< .cse20 ~systemActive~0)) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not .cse0)) (.cse7 (= ~pumpRunning~0 0)) (.cse12 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse9 (< (* 2 ~systemActive~0) 2)) (.cse13 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse14 (< .cse21 1)) (.cse15 (< 3 .cse19)) (.cse18 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse17 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (.cse16 (< .cse21 0)) (.cse11 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or (and (= 1 ~waterLevel~0) .cse7) .cse8 .cse2 .cse9 .cse10 .cse11) (or .cse6 .cse9 .cse12 .cse13 .cse14) (or (<= ~systemActive~0 ~waterLevel~0) .cse0 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) .cse12 .cse9 .cse13 .cse15) (or .cse1 .cse0 .cse8 .cse2 (and .cse5 (= 0 ~pumpRunning~0)) .cse3) (or .cse3 (< |old(~waterLevel~0)| ~systemActive~0) .cse16 .cse4 .cse10 .cse11 (and (<= ~waterLevel~0 ~systemActive~0) .cse17 .cse7)) (or (and (<= 1 .cse18) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse12 .cse9 .cse13 .cse14 .cse15 (< .cse19 1)) (or (and (<= .cse18 2) .cse17) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse20) (< .cse19 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (not (= ~systemActive~0 0)) .cse16 .cse11 (< .cse20 ~methaneLevelCritical~0))))) [2018-10-26 23:05:09,226 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse14 (+ ~pumpRunning~0 ~waterLevel~0))) (let ((.cse0 (= |old(~waterLevel~0)| 1)) (.cse27 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse20 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse29 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse25 (<= .cse14 2)) (.cse30 (+ |old(~pumpRunning~0)| 1))) (let ((.cse24 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~systemActive~0 0))) (.cse13 (< .cse30 ~methaneLevelCritical~0)) (.cse5 (not (= ~waterLevel~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse22 (< ~systemActive~0 .cse30)) (.cse21 (and .cse25 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0))) (.cse2 (< .cse30 ~systemActive~0)) (.cse23 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|)) (.cse15 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse16 (< (* 2 ~systemActive~0) 2)) (.cse17 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse18 (< .cse29 1)) (.cse19 (< 3 .cse20)) (.cse3 (< .cse27 1)) (.cse28 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse9 (< .cse29 0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not .cse0)) (.cse12 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse26 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (or .cse1 .cse0 .cse7 .cse2 (and .cse5 (= 0 ~pumpRunning~0)) .cse3) (or .cse8 .cse9 .cse10 .cse11 .cse12 .cse13) (or (and (<= 1 .cse14) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse15 .cse16 .cse17 .cse18 .cse19 (< .cse20 1)) (or .cse21 (not (= ~systemActive~0 1)) .cse22 (< .cse20 3) (< ~systemActive~0 ~methaneLevelCritical~0) .cse23 .cse24) (or (and .cse25 (<= 2 .cse14)) .cse7 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 3) .cse8 .cse12 .cse24) (or .cse6 .cse1 .cse8 .cse9 .cse13) (or .cse0 .cse5 .cse1 .cse8 .cse9 .cse13) (or .cse5 .cse0 .cse16 .cse15 .cse17 .cse18) (or (and .cse10 .cse26) .cse7 .cse2 .cse16 .cse11 .cse12) (or .cse6 .cse16 .cse15 .cse17 .cse18) (or (< 1 .cse27) .cse22 .cse21 .cse2 .cse16 .cse3 .cse28 .cse23) (or (<= ~systemActive~0 ~waterLevel~0) .cse15 .cse16 .cse28 .cse17 .cse18 .cse19) (or .cse3 .cse28 .cse9 .cse4 .cse11 .cse12 (and (<= ~waterLevel~0 ~systemActive~0) .cse26)))))) [2018-10-26 23:05:09,227 INFO L421 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse31 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse26 (+ ~methaneLevelCritical~0 1)) (.cse1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse24 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse23 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse12 (= |old(~waterLevel~0)| 1)) (.cse2 (+ |old(~pumpRunning~0)| 1))) (let ((.cse13 (not (= ~waterLevel~0 1))) (.cse16 (not (= 0 |old(~pumpRunning~0)|))) (.cse19 (not (= ~systemActive~0 0))) (.cse7 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 0)) (.cse21 (< .cse2 ~methaneLevelCritical~0)) (.cse20 (= 1 ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse15 (< .cse2 ~systemActive~0)) (.cse8 (not .cse12)) (.cse9 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse14 (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (.cse18 (= 0 ~pumpRunning~0)) (.cse22 (<= .cse23 2)) (.cse17 (not (= ~methaneLevelCritical~0 1))) (.cse25 (< (* 2 ~systemActive~0) 2)) (.cse5 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (.cse29 (<= 1 .cse23)) (.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse3 (< .cse24 2)) (.cse6 (< .cse1 1)) (.cse10 (<= .cse26 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse27 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse30 (< 3 .cse31)) (.cse28 (< |old(~pumpRunning~0)| .cse26))) (and (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0 (= ~pumpRunning~0 1)) (< 1 .cse1) (< ~systemActive~0 .cse2) .cse3 .cse4 .cse5) (or .cse6 (< |old(~waterLevel~0)| ~systemActive~0) .cse7 .cse4 .cse8 .cse9 (and (<= ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse10 .cse11)) (or .cse12 (and .cse13 .cse14 (<= ~pumpRunning~0 ~systemActive~0)) .cse15 .cse6 (and .cse13 .cse11) .cse4 .cse9) (or .cse16 .cse12 .cse17 .cse15 (and .cse13 .cse18) .cse6) (or .cse19 .cse7 .cse20 .cse8 .cse9 .cse21) (or (and .cse22 (<= 2 .cse23)) .cse17 (< .cse24 3) .cse19 .cse9 .cse5) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse16 .cse19 .cse7 .cse21) (or .cse12 .cse13 .cse16 .cse19 .cse7 .cse21) (or (and .cse20 .cse11) .cse17 .cse15 .cse25 .cse8 .cse9) (or (and (<= ~pumpRunning~0 .cse26) .cse14) .cse6 .cse4 .cse27 .cse28) (or .cse17 .cse25 .cse18 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse27) (or (and .cse22 .cse29) .cse12 .cse3 .cse17 .cse25 .cse27 .cse30 .cse5) (or (and .cse29 .cse0) .cse6 .cse4 .cse27 .cse30 .cse28 (< .cse31 1)) (or .cse3 .cse6 .cse10 .cse4 .cse27 .cse30 .cse28)))) [2018-10-26 23:05:09,227 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-10-26 23:05:09,227 INFO L421 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse7 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse8 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse11 (+ |old(~pumpRunning~0)| 1))) (let ((.cse5 (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2)) (.cse4 (+ ~methaneLevelCritical~0 1)) (.cse10 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse9 (< .cse11 ~methaneLevelCritical~0)) (.cse1 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (* 2 ~systemActive~0) 2)) (.cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse3 (< .cse8 1)) (.cse6 (< 3 .cse7))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3) (or (<= .cse4 ~waterLevel~0) (= |old(~waterLevel~0)| 1) .cse5 .cse1 .cse0 .cse2 .cse6) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse1 .cse0 .cse2 .cse3 .cse6 (< .cse7 1)) (or (not (= ~systemActive~0 0)) (< .cse8 0) (< 0 (* 2 |old(~pumpRunning~0)|)) .cse9) (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse5 .cse10 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse6 (< |old(~pumpRunning~0)| .cse4)) (or (not (= 0 |old(~pumpRunning~0)|)) (< .cse11 ~systemActive~0) .cse10 .cse9) (or (<= ~systemActive~0 ~waterLevel~0) .cse1 .cse0 (< |old(~waterLevel~0)| ~systemActive~0) .cse2 .cse3 .cse6)))) [2018-10-26 23:05:09,227 INFO L425 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-10-26 23:05:09,227 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-10-26 23:05:09,228 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse6 (+ ~systemActive~0 |old(~waterLevel~0)|))) (let ((.cse1 (+ ~methaneLevelCritical~0 1)) (.cse2 (< ~pumpRunning~0 ~methaneLevelCritical~0)) (.cse3 (< (* 2 ~systemActive~0) 2)) (.cse4 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse5 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1)) (.cse0 (< 3 .cse6))) (and (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse0 (< ~pumpRunning~0 .cse1)) (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse2 .cse3 .cse4 .cse5 .cse0 (< .cse6 1)) (or (<= ~systemActive~0 ~waterLevel~0) .cse2 .cse3 (< |old(~waterLevel~0)| ~systemActive~0) .cse4 .cse5 .cse0) (or (<= .cse1 ~waterLevel~0) (< |old(~waterLevel~0)| .cse1) .cse2 .cse3 .cse4 .cse5 .cse0)))) [2018-10-26 23:05:09,228 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-10-26 23:05:09,228 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-10-26 23:05:09,228 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 23:05:09,228 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-26 23:05:09,228 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 23:05:09,228 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 23:05:09,228 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-10-26 23:05:09,228 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-10-26 23:05:09,228 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-10-26 23:05:09,229 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: (let ((.cse6 (+ ~pumpRunning~0 1))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< .cse6 |old(~systemActive~0)|)) (.cse0 (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1)) (.cse5 (<= (+ ~methaneLevelCritical~0 ~systemActive~0) 2)) (.cse4 (< (* 2 |old(~systemActive~0)|) 2)) (.cse2 (< 2 (+ ~pumpRunning~0 |old(~systemActive~0)|)))) (and (or (<= ~systemActive~0 ~pumpRunning~0) .cse0 .cse1 .cse2 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (or (< (* 2 ~methaneLevelCritical~0) 2) (< 0 (* 2 ~pumpRunning~0))) .cse3 .cse4 (and (<= ~methaneLevelCritical~0 ~systemActive~0) .cse5) (< .cse6 ~methaneLevelCritical~0)) (or (or (not (= 0 ~pumpRunning~0)) .cse1) (= ~systemActive~0 1) .cse3 .cse0) (or (and .cse5 (<= ~pumpRunning~0 ~systemActive~0)) .cse4 (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse2 (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1))))) [2018-10-26 23:05:09,229 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-10-26 23:05:09,229 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-10-26 23:05:09,229 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-10-26 23:05:09,229 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse21 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse23 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse19 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse25 (* 2 ~pumpRunning~0)) (.cse22 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse16 (+ ~methaneLevelCritical~0 2)) (.cse26 (+ ~methaneLevelCritical~0 1)) (.cse15 (+ ~pumpRunning~0 1)) (.cse24 (+ ~pumpRunning~0 2))) (let ((.cse12 (< |old(~waterLevel~0)| .cse24)) (.cse2 (< .cse15 ~systemActive~0)) (.cse11 (<= .cse26 ~waterLevel~0)) (.cse17 (< .cse16 |old(~waterLevel~0)|)) (.cse0 (= 1 ~waterLevel~0)) (.cse20 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse14 (< .cse22 0)) (.cse18 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 2 .cse25)) (.cse7 (< .cse19 1)) (.cse8 (< 3 .cse23)) (.cse9 (< ~pumpRunning~0 .cse26)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse13 (not (= ~systemActive~0 0))) (.cse10 (<= .cse21 2)) (.cse4 (< 0 .cse25))) (and (or .cse0 .cse1 .cse2 (< (* 2 ~systemActive~0) 2) .cse3 .cse4) (or (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (< .cse5 2) .cse6 .cse7 .cse8 .cse9) (or (and .cse10 .cse11) .cse12 (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) .cse2 .cse7) (or .cse13 .cse14 .cse0 .cse3 .cse4 (< .cse15 ~methaneLevelCritical~0)) (or .cse12 (<= .cse16 ~waterLevel~0) .cse2 .cse7 .cse17 .cse18) (or .cse11 (< 1 .cse19) .cse6 .cse7 .cse20 .cse17 .cse9) (or .cse0 .cse7 .cse20 .cse14 .cse18 .cse3 .cse4) (or (and (<= 1 .cse21) (<= (+ ~systemActive~0 ~waterLevel~0) 3)) .cse6 .cse7 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< .cse22 1) .cse8 .cse9 (< .cse23 1)) (or .cse1 (< .cse5 3) .cse13 (and .cse10 (<= 2 .cse21)) .cse4 (< .cse24 |old(~waterLevel~0)|))))) [2018-10-26 23:05:09,229 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L421 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse2 (+ ~pumpRunning~0 1))) (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (< .cse2 ~methaneLevelCritical~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (not (= ~systemActive~0 0)) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (< 0 (* 2 ~pumpRunning~0)) .cse1) (or (not (= 0 ~pumpRunning~0)) (< .cse2 ~systemActive~0) .cse0 .cse1)))) [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< 0 (* 2 ~pumpRunning~0)))) (and (or (not (= ~systemActive~0 0)) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse0 .cse1) (or .cse2 .cse0 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse2 .cse0 .cse1))) [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-10-26 23:05:09,230 INFO L425 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-10-26 23:05:09,231 INFO L428 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-10-26 23:05:09,231 INFO L425 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-10-26 23:05:09,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 11:05:09 BoogieIcfgContainer [2018-10-26 23:05:09,276 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 23:05:09,277 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 23:05:09,277 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 23:05:09,277 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 23:05:09,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:53:39" (3/4) ... [2018-10-26 23:05:09,293 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 23:05:09,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 23:05:09,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 23:05:09,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 23:05:09,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 23:05:09,299 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 23:05:09,300 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 23:05:09,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 23:05:09,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 23:05:09,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 23:05:09,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 23:05:09,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 23:05:09,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 23:05:09,319 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 23:05:09,320 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 23:05:09,321 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 23:05:09,347 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((systemActive == 1 && 1 <= methaneLevelCritical + systemActive) && 0 == pumpRunning) && methaneLevelCritical + systemActive <= 2) && splverifierCounter == 0) || ((((2 * methaneLevelCritical <= 0 && systemActive <= pumpRunning) && 1 <= methaneLevelCritical + systemActive) && pumpRunning <= methaneLevelCritical + 1) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || ((((systemActive == 0 && 0 == pumpRunning) && 0 <= 2 * methaneLevelCritical) && methaneLevelCritical <= pumpRunning + 1) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 23:05:09,348 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 23:05:09,416 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b9173f63-6f23-464c-9755-2e6c002d312c/bin-2019/utaipan/witness.graphml [2018-10-26 23:05:09,416 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 23:05:09,417 INFO L168 Benchmark]: Toolchain (without parser) took 692156.21 ms. Allocated memory was 1.0 GB in the beginning and 5.8 GB in the end (delta: 4.8 GB). Free memory was 960.7 MB in the beginning and 1.2 GB in the end (delta: -269.4 MB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,418 INFO L168 Benchmark]: CDTParser took 0.15 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. [2018-10-26 23:05:09,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.32 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 933.8 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 933.8 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,419 INFO L168 Benchmark]: Boogie Preprocessor took 37.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,419 INFO L168 Benchmark]: RCFGBuilder took 1255.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 91.5 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,419 INFO L168 Benchmark]: TraceAbstraction took 690199.72 ms. Allocated memory was 1.2 GB in the beginning and 5.8 GB in the end (delta: 4.6 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -156.0 MB). Peak memory consumption was 4.9 GB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,420 INFO L168 Benchmark]: Witness Printer took 139.08 ms. Allocated memory is still 5.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 23:05:09,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 382.32 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 933.8 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 138.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 933.8 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1255.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 91.5 MB). Peak memory consumption was 91.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 690199.72 ms. Allocated memory was 1.2 GB in the beginning and 5.8 GB in the end (delta: 4.6 GB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -156.0 MB). Peak memory consumption was 4.9 GB. Max. memory is 11.5 GB. * Witness Printer took 139.08 ms. Allocated memory is still 5.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: ((((((((((systemActive == 1 && 1 <= methaneLevelCritical + systemActive) && 0 == pumpRunning) && methaneLevelCritical + systemActive <= 2) && splverifierCounter == 0) || ((((2 * methaneLevelCritical <= 0 && systemActive <= pumpRunning) && 1 <= methaneLevelCritical + systemActive) && pumpRunning <= methaneLevelCritical + 1) && splverifierCounter == 0)) || 1 < \old(pumpRunning) + \old(waterLevel)) || ((((systemActive == 0 && 0 == pumpRunning) && 0 <= 2 * methaneLevelCritical) && methaneLevelCritical <= pumpRunning + 1) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 155 locations, 1 error locations. SAFE Result, 690.0s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 229.3s AutomataDifference, 0.0s DeadEndRemovalTime, 66.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2802 SDtfs, 5297 SDslu, 17341 SDs, 0 SdLazy, 19094 SolverSat, 2379 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 128.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 695 GetRequests, 309 SyntacticMatches, 22 SemanticMatches, 364 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14008 ImplicationChecksByTransitivity, 18.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3567occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 319.1s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.9934312507748287 AbsIntWeakeningRatio, 0.9116945107398569 AbsIntAvgWeakeningVarsNumRemoved, 6262.727923627685 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 12 MinimizatonAttempts, 477 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 6335 PreInvPairs, 7043 NumberOfFragments, 4788 HoareAnnotationTreeSize, 6335 FomulaSimplifications, 361916 FormulaSimplificationTreeSizeReduction, 19.5s HoareSimplificationTime, 65 FomulaSimplificationsInter, 994929 FormulaSimplificationTreeSizeReductionInter, 46.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 1154 NumberOfCodeBlocks, 1154 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1142 ConstructedInterpolants, 0 QuantifiedInterpolants, 182397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 157/165 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...