./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/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 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:21:11,446 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:21:11,447 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:21:11,455 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:21:11,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:21:11,456 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:21:11,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:21:11,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:21:11,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:21:11,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:21:11,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:21:11,461 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:21:11,461 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:21:11,462 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:21:11,463 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:21:11,463 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:21:11,464 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:21:11,465 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:21:11,466 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:21:11,467 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:21:11,468 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:21:11,468 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:21:11,470 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:21:11,470 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:21:11,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:21:11,471 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:21:11,471 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:21:11,472 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:21:11,472 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:21:11,473 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:21:11,473 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:21:11,473 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:21:11,474 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:21:11,474 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:21:11,474 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:21:11,475 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:21:11,475 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:21:11,484 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:21:11,484 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:21:11,485 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:21:11,485 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:21:11,485 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:21:11,485 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:21:11,485 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:21:11,485 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:21:11,486 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:21:11,486 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:21:11,486 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:21:11,486 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:21:11,486 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:21:11,487 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:21:11,487 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:21:11,488 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:21:11,488 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:21:11,489 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:21:11,489 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:21:11,489 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_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/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 -> 8d2ada62bfae5f387fd77a4f29c02d0bf22e8cd9 [2018-11-18 17:21:11,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:21:11,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:21:11,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:21:11,525 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:21:11,526 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:21:11,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-18 17:21:11,571 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/data/ad6bcc4ce/57a107e6130144d9a37cc9fe909d23e6/FLAG7454f588a [2018-11-18 17:21:11,923 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:21:11,924 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/sv-benchmarks/c/product-lines/minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-18 17:21:11,934 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/data/ad6bcc4ce/57a107e6130144d9a37cc9fe909d23e6/FLAG7454f588a [2018-11-18 17:21:11,944 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/data/ad6bcc4ce/57a107e6130144d9a37cc9fe909d23e6 [2018-11-18 17:21:11,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:21:11,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:21:11,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:21:11,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:21:11,950 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:21:11,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:21:11" (1/1) ... [2018-11-18 17:21:11,953 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:11, skipping insertion in model container [2018-11-18 17:21:11,953 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:21:11" (1/1) ... [2018-11-18 17:21:11,958 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:21:11,991 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:21:12,176 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:21:12,185 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:21:12,290 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:21:12,307 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:21:12,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12 WrapperNode [2018-11-18 17:21:12,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:21:12,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:21:12,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:21:12,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:21:12,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:21:12,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:21:12,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:21:12,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:21:12,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... [2018-11-18 17:21:12,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:21:12,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:21:12,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:21:12,360 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:21:12,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:21:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:21:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:21:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:21:12,402 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:21:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:21:12,402 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:21:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:21:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:21:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:21:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:21:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:21:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:21:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:21:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:21:12,403 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:21:12,403 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 17:21:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 17:21:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 17:21:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 17:21:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:21:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:21:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:21:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:21:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:21:12,404 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:21:12,404 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:21:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:21:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:21:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:21:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:21:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:21:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 17:21:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 17:21:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:21:12,405 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:21:12,405 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:21:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:21:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:21:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:21:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:21:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:21:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:21:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:21:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:21:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:21:12,406 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:21:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:21:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:21:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:21:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:21:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:21:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:21:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:21:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:21:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:21:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:21:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:21:12,826 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:21:12,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:21:12 BoogieIcfgContainer [2018-11-18 17:21:12,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:21:12,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:21:12,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:21:12,829 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:21:12,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:21:11" (1/3) ... [2018-11-18 17:21:12,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4a0cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:21:12, skipping insertion in model container [2018-11-18 17:21:12,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:21:12" (2/3) ... [2018-11-18 17:21:12,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f4a0cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:21:12, skipping insertion in model container [2018-11-18 17:21:12,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:21:12" (3/3) ... [2018-11-18 17:21:12,832 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product38_true-unreach-call_false-termination.cil.c [2018-11-18 17:21:12,838 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:21:12,846 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:21:12,856 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:21:12,877 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:21:12,877 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:21:12,877 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:21:12,877 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:21:12,877 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:21:12,877 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:21:12,877 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:21:12,877 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:21:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-11-18 17:21:12,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 17:21:12,898 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:12,899 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] [2018-11-18 17:21:12,900 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:12,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:12,904 INFO L82 PathProgramCache]: Analyzing trace with hash -784438538, now seen corresponding path program 1 times [2018-11-18 17:21:12,906 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:12,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:12,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:12,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:12,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:13,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:13,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:21:13,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:13,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:21:13,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:21:13,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:21:13,111 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-11-18 17:21:13,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:13,140 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2018-11-18 17:21:13,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:21:13,141 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 17:21:13,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:13,150 INFO L225 Difference]: With dead ends: 264 [2018-11-18 17:21:13,150 INFO L226 Difference]: Without dead ends: 134 [2018-11-18 17:21:13,153 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:21:13,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-18 17:21:13,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-18 17:21:13,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-18 17:21:13,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-11-18 17:21:13,191 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 51 [2018-11-18 17:21:13,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:13,191 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-11-18 17:21:13,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:21:13,191 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-11-18 17:21:13,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 17:21:13,194 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:13,194 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] [2018-11-18 17:21:13,194 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:13,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:13,194 INFO L82 PathProgramCache]: Analyzing trace with hash -436404721, now seen corresponding path program 1 times [2018-11-18 17:21:13,195 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:13,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:13,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:13,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:13,196 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:13,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:13,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:13,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:21:13,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:13,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:21:13,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:21:13,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:21:13,275 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-11-18 17:21:13,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:13,292 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2018-11-18 17:21:13,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:21:13,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 17:21:13,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:13,294 INFO L225 Difference]: With dead ends: 207 [2018-11-18 17:21:13,294 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 17:21:13,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:21:13,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 17:21:13,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 17:21:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 17:21:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-11-18 17:21:13,306 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2018-11-18 17:21:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:13,306 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-11-18 17:21:13,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:21:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-11-18 17:21:13,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 17:21:13,308 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:13,308 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] [2018-11-18 17:21:13,308 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:13,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:13,308 INFO L82 PathProgramCache]: Analyzing trace with hash 191147735, now seen corresponding path program 1 times [2018-11-18 17:21:13,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:13,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:13,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:13,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:13,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:13,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:13,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:13,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:21:13,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:13,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:21:13,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:21:13,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:21:13,454 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-11-18 17:21:13,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:13,718 INFO L93 Difference]: Finished difference Result 220 states and 261 transitions. [2018-11-18 17:21:13,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:21:13,719 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 17:21:13,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:13,720 INFO L225 Difference]: With dead ends: 220 [2018-11-18 17:21:13,720 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 17:21:13,721 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:21:13,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 17:21:13,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 17:21:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 17:21:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-11-18 17:21:13,730 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2018-11-18 17:21:13,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:13,730 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-11-18 17:21:13,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:21:13,731 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-11-18 17:21:13,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 17:21:13,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:13,733 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:13,733 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:13,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:13,734 INFO L82 PathProgramCache]: Analyzing trace with hash -741692812, now seen corresponding path program 1 times [2018-11-18 17:21:13,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:13,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:13,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:13,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:13,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:13,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:13,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:21:13,825 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:13,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:21:13,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:21:13,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:21:13,826 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-11-18 17:21:14,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:14,181 INFO L93 Difference]: Finished difference Result 323 states and 391 transitions. [2018-11-18 17:21:14,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:21:14,182 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 17:21:14,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:14,184 INFO L225 Difference]: With dead ends: 323 [2018-11-18 17:21:14,184 INFO L226 Difference]: Without dead ends: 227 [2018-11-18 17:21:14,185 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:21:14,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-18 17:21:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 207. [2018-11-18 17:21:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-18 17:21:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 237 transitions. [2018-11-18 17:21:14,205 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 237 transitions. Word has length 71 [2018-11-18 17:21:14,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:14,205 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 237 transitions. [2018-11-18 17:21:14,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:21:14,205 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 237 transitions. [2018-11-18 17:21:14,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 17:21:14,207 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:14,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:14,208 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:14,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:14,208 INFO L82 PathProgramCache]: Analyzing trace with hash -1037780736, now seen corresponding path program 1 times [2018-11-18 17:21:14,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:14,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:14,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:14,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:14,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:14,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:14,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:14,300 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:21:14,300 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:14,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:21:14,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:21:14,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:21:14,301 INFO L87 Difference]: Start difference. First operand 207 states and 237 transitions. Second operand 6 states. [2018-11-18 17:21:14,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:14,450 INFO L93 Difference]: Finished difference Result 547 states and 647 transitions. [2018-11-18 17:21:14,452 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:21:14,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 17:21:14,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:14,454 INFO L225 Difference]: With dead ends: 547 [2018-11-18 17:21:14,455 INFO L226 Difference]: Without dead ends: 368 [2018-11-18 17:21:14,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:21:14,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-11-18 17:21:14,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 362. [2018-11-18 17:21:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-11-18 17:21:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 414 transitions. [2018-11-18 17:21:14,486 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 414 transitions. Word has length 85 [2018-11-18 17:21:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:14,486 INFO L480 AbstractCegarLoop]: Abstraction has 362 states and 414 transitions. [2018-11-18 17:21:14,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:21:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 414 transitions. [2018-11-18 17:21:14,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 17:21:14,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:14,488 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:14,488 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:14,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:14,489 INFO L82 PathProgramCache]: Analyzing trace with hash -285657732, now seen corresponding path program 1 times [2018-11-18 17:21:14,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:14,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:14,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:14,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:14,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:14,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:14,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:14,595 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:21:14,595 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:14,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:21:14,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:21:14,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:21:14,596 INFO L87 Difference]: Start difference. First operand 362 states and 414 transitions. Second operand 7 states. [2018-11-18 17:21:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:14,962 INFO L93 Difference]: Finished difference Result 729 states and 858 transitions. [2018-11-18 17:21:14,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:21:14,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-18 17:21:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:14,965 INFO L225 Difference]: With dead ends: 729 [2018-11-18 17:21:14,965 INFO L226 Difference]: Without dead ends: 395 [2018-11-18 17:21:14,966 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:21:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-11-18 17:21:14,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 361. [2018-11-18 17:21:14,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-11-18 17:21:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 411 transitions. [2018-11-18 17:21:14,989 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 411 transitions. Word has length 89 [2018-11-18 17:21:14,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:14,989 INFO L480 AbstractCegarLoop]: Abstraction has 361 states and 411 transitions. [2018-11-18 17:21:14,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:21:14,990 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 411 transitions. [2018-11-18 17:21:14,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 17:21:14,991 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:14,992 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:14,992 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:14,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:14,992 INFO L82 PathProgramCache]: Analyzing trace with hash -1544704927, now seen corresponding path program 1 times [2018-11-18 17:21:14,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:14,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:14,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:14,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:14,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:15,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:15,055 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:15,055 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:21:15,055 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:15,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:21:15,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:21:15,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:21:15,056 INFO L87 Difference]: Start difference. First operand 361 states and 411 transitions. Second operand 6 states. [2018-11-18 17:21:15,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:15,080 INFO L93 Difference]: Finished difference Result 704 states and 814 transitions. [2018-11-18 17:21:15,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:21:15,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 17:21:15,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:15,083 INFO L225 Difference]: With dead ends: 704 [2018-11-18 17:21:15,083 INFO L226 Difference]: Without dead ends: 371 [2018-11-18 17:21:15,084 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:21:15,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-11-18 17:21:15,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2018-11-18 17:21:15,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-11-18 17:21:15,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 421 transitions. [2018-11-18 17:21:15,097 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 421 transitions. Word has length 90 [2018-11-18 17:21:15,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:15,098 INFO L480 AbstractCegarLoop]: Abstraction has 371 states and 421 transitions. [2018-11-18 17:21:15,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:21:15,098 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 421 transitions. [2018-11-18 17:21:15,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 17:21:15,099 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:15,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:15,099 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:15,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:15,100 INFO L82 PathProgramCache]: Analyzing trace with hash -843105053, now seen corresponding path program 1 times [2018-11-18 17:21:15,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:15,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:15,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:15,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:15,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:15,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:21:15,179 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:15,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:21:15,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:21:15,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:21:15,180 INFO L87 Difference]: Start difference. First operand 371 states and 421 transitions. Second operand 8 states. [2018-11-18 17:21:15,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:15,203 INFO L93 Difference]: Finished difference Result 728 states and 848 transitions. [2018-11-18 17:21:15,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:21:15,204 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-11-18 17:21:15,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:15,206 INFO L225 Difference]: With dead ends: 728 [2018-11-18 17:21:15,206 INFO L226 Difference]: Without dead ends: 385 [2018-11-18 17:21:15,207 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:21:15,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2018-11-18 17:21:15,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 379. [2018-11-18 17:21:15,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 17:21:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 429 transitions. [2018-11-18 17:21:15,220 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 429 transitions. Word has length 90 [2018-11-18 17:21:15,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:15,221 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 429 transitions. [2018-11-18 17:21:15,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:21:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 429 transitions. [2018-11-18 17:21:15,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 17:21:15,222 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:15,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:15,223 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:15,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:15,223 INFO L82 PathProgramCache]: Analyzing trace with hash 882375844, now seen corresponding path program 1 times [2018-11-18 17:21:15,223 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:15,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,224 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:15,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,224 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:15,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:15,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:15,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:21:15,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:15,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:21:15,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:21:15,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:21:15,293 INFO L87 Difference]: Start difference. First operand 379 states and 429 transitions. Second operand 4 states. [2018-11-18 17:21:15,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:15,432 INFO L93 Difference]: Finished difference Result 1146 states and 1366 transitions. [2018-11-18 17:21:15,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:21:15,432 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-11-18 17:21:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:15,435 INFO L225 Difference]: With dead ends: 1146 [2018-11-18 17:21:15,435 INFO L226 Difference]: Without dead ends: 795 [2018-11-18 17:21:15,436 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:21:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-11-18 17:21:15,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 513. [2018-11-18 17:21:15,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2018-11-18 17:21:15,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 576 transitions. [2018-11-18 17:21:15,462 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 576 transitions. Word has length 90 [2018-11-18 17:21:15,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:15,462 INFO L480 AbstractCegarLoop]: Abstraction has 513 states and 576 transitions. [2018-11-18 17:21:15,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:21:15,462 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 576 transitions. [2018-11-18 17:21:15,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 17:21:15,464 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:15,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:15,464 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:15,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:15,464 INFO L82 PathProgramCache]: Analyzing trace with hash -637219286, now seen corresponding path program 1 times [2018-11-18 17:21:15,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:15,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:15,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:15,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:21:15,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:21:15,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:15,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:21:15,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:21:15,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:21:15,506 INFO L87 Difference]: Start difference. First operand 513 states and 576 transitions. Second operand 3 states. [2018-11-18 17:21:15,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:15,542 INFO L93 Difference]: Finished difference Result 783 states and 895 transitions. [2018-11-18 17:21:15,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:21:15,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-11-18 17:21:15,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:15,545 INFO L225 Difference]: With dead ends: 783 [2018-11-18 17:21:15,546 INFO L226 Difference]: Without dead ends: 780 [2018-11-18 17:21:15,546 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:21:15,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2018-11-18 17:21:15,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 654. [2018-11-18 17:21:15,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 654 states. [2018-11-18 17:21:15,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 654 states and 745 transitions. [2018-11-18 17:21:15,571 INFO L78 Accepts]: Start accepts. Automaton has 654 states and 745 transitions. Word has length 94 [2018-11-18 17:21:15,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:15,571 INFO L480 AbstractCegarLoop]: Abstraction has 654 states and 745 transitions. [2018-11-18 17:21:15,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:21:15,571 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 745 transitions. [2018-11-18 17:21:15,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 17:21:15,573 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:15,573 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:21:15,574 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:15,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:15,574 INFO L82 PathProgramCache]: Analyzing trace with hash 894548582, now seen corresponding path program 1 times [2018-11-18 17:21:15,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:15,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:15,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:15,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:15,693 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:21:15,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:15,694 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:21:15,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 17:21:15,696 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [24], [26], [27], [30], [34], [35], [36], [39], [41], [47], [51], [54], [55], [56], [60], [66], [70], [74], [77], [80], [82], [85], [88], [90], [96], [99], [109], [111], [114], [116], [119], [122], [125], [133], [134], [135], [136], [137], [138], [139], [140], [142], [147], [149], [150], [155], [157], [187], [190], [194], [200], [201], [202], [205], [209], [210], [216], [219], [221], [224], [231], [234], [237], [241], [242], [245], [246], [247], [248], [249], [250], [251], [252], [253], [255], [256], [257], [259], [260], [261], [262], [265], [266], [267], [268], [269], [270], [271], [272], [275], [276], [279], [280], [281], [282], [283], [285], [286], [291], [292], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304], [307], [308] [2018-11-18 17:21:15,723 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:21:15,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:21:17,461 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:21:17,462 INFO L272 AbstractInterpreter]: Visited 122 different actions 815 times. Merged at 19 different actions 76 times. Never widened. Performed 29408 root evaluator evaluations with a maximum evaluation depth of 3. Performed 29408 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 16 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 17:21:17,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:17,472 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:21:17,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:17,472 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:21:17,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:17,479 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:21:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:17,592 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:21:17,802 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:21:17,803 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:21:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 17:21:18,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:21:18,307 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 17:21:18,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:18,307 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:21:18,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:21:18,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:21:18,308 INFO L87 Difference]: Start difference. First operand 654 states and 745 transitions. Second operand 8 states. [2018-11-18 17:21:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:18,693 INFO L93 Difference]: Finished difference Result 1226 states and 1404 transitions. [2018-11-18 17:21:18,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:21:18,694 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2018-11-18 17:21:18,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:18,697 INFO L225 Difference]: With dead ends: 1226 [2018-11-18 17:21:18,697 INFO L226 Difference]: Without dead ends: 600 [2018-11-18 17:21:18,698 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 293 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:21:18,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-11-18 17:21:18,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 571. [2018-11-18 17:21:18,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-11-18 17:21:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 641 transitions. [2018-11-18 17:21:18,731 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 641 transitions. Word has length 154 [2018-11-18 17:21:18,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:18,731 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 641 transitions. [2018-11-18 17:21:18,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:21:18,731 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 641 transitions. [2018-11-18 17:21:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 17:21:18,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:21:18,734 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:21:18,734 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:21:18,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:18,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1452565642, now seen corresponding path program 1 times [2018-11-18 17:21:18,734 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:21:18,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:18,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:18,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:21:18,735 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:21:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:21:18,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:18,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:21:18,847 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-11-18 17:21:18,848 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [30], [34], [35], [36], [51], [54], [56], [60], [66], [70], [74], [77], [80], [82], [85], [88], [90], [96], [99], [109], [111], [114], [116], [119], [122], [125], [133], [134], [135], [136], [137], [138], [139], [140], [142], [147], [149], [150], [155], [157], [190], [194], [200], [201], [202], [210], [216], [219], [221], [224], [234], [237], [241], [242], [245], [246], [247], [248], [249], [250], [251], [252], [253], [255], [256], [257], [267], [268], [269], [270], [271], [272], [275], [276], [279], [280], [281], [282], [283], [285], [286], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304] [2018-11-18 17:21:18,851 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:21:18,851 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:21:19,501 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:21:19,501 INFO L272 AbstractInterpreter]: Visited 101 different actions 430 times. Merged at 15 different actions 43 times. Never widened. Performed 17000 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17000 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 1 different actions. Largest state had 135 variables. [2018-11-18 17:21:19,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:21:19,502 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:21:19,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:21:19,503 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:21:19,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:21:19,509 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:21:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:21:19,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:21:19,618 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:21:19,618 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:21:19,747 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:21:19,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:21:19,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-18 17:21:19,762 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:21:19,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:21:19,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:21:19,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:21:19,763 INFO L87 Difference]: Start difference. First operand 571 states and 641 transitions. Second operand 3 states. [2018-11-18 17:21:19,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:21:19,837 INFO L93 Difference]: Finished difference Result 921 states and 1043 transitions. [2018-11-18 17:21:19,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:21:19,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-11-18 17:21:19,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:21:19,838 INFO L225 Difference]: With dead ends: 921 [2018-11-18 17:21:19,838 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:21:19,840 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:21:19,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:21:19,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:21:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:21:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:21:19,841 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-11-18 17:21:19,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:21:19,841 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:21:19,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:21:19,841 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:21:19,841 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:21:19,845 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:21:19,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:19,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,184 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:21:20,390 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-11-18 17:21:20,531 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 29 [2018-11-18 17:21:20,669 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2018-11-18 17:21:20,819 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2018-11-18 17:21:21,345 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 39 [2018-11-18 17:21:22,088 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 44 [2018-11-18 17:21:22,664 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 111 117) the Hoare annotation is: true [2018-11-18 17:21:22,664 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 111 117) no Hoare annotation was computed. [2018-11-18 17:21:22,664 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 118 126) no Hoare annotation was computed. [2018-11-18 17:21:22,664 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 118 126) the Hoare annotation is: true [2018-11-18 17:21:22,664 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 118 126) no Hoare annotation was computed. [2018-11-18 17:21:22,665 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 465 487) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,665 INFO L421 ceAbstractionStarter]: At program point L477(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,665 INFO L421 ceAbstractionStarter]: At program point L477-1(line 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~5 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,665 INFO L425 ceAbstractionStarter]: For program point L475(lines 475 482) no Hoare annotation was computed. [2018-11-18 17:21:22,665 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 475 482) no Hoare annotation was computed. [2018-11-18 17:21:22,665 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 17:21:22,665 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 465 487) no Hoare annotation was computed. [2018-11-18 17:21:22,665 INFO L421 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,665 INFO L421 ceAbstractionStarter]: At program point L471(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,665 INFO L421 ceAbstractionStarter]: At program point L471-1(line 471) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,665 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 465 487) no Hoare annotation was computed. [2018-11-18 17:21:22,665 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 249 257) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 249 257) the Hoare annotation is: true [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 249 257) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 104 110) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 104 110) the Hoare annotation is: true [2018-11-18 17:21:22,666 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 454 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,666 INFO L421 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 454 464) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 454 464) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 238 248) the Hoare annotation is: true [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 238 248) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 238 248) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L428 ceAbstractionStarter]: At program point L243(line 243) the Hoare annotation is: true [2018-11-18 17:21:22,666 INFO L425 ceAbstractionStarter]: For program point L243-1(line 243) no Hoare annotation was computed. [2018-11-18 17:21:22,666 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 230 237) the Hoare annotation is: (let ((.cse1 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)))) (or .cse1 .cse0 (or (< ~methaneLevelCritical~0 1) .cse2)))) [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 230 237) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 230 237) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 579) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 569 582) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 569 582) the Hoare annotation is: true [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 569 582) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L421 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse5 (or .cse3 .cse4)) (or .cse5 (or .cse1 .cse3)))) [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point L216-1(lines 197 221) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 197 221) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 197 221) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< |old(~pumpRunning~0)| 1)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (or .cse2 .cse3) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse0 .cse5 (or .cse3 .cse4)) (or .cse5 .cse0 (or .cse1 .cse3)))) [2018-11-18 17:21:22,667 INFO L421 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 (or .cse1 .cse2)) (or .cse4 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse3 (or .cse4 .cse1)))) [2018-11-18 17:21:22,667 INFO L421 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))) (or .cse4 (or .cse5 .cse1) (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 213) no Hoare annotation was computed. [2018-11-18 17:21:22,667 INFO L421 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 (or .cse1 .cse2)) (or .cse4 .cse3 (or .cse5 .cse1)) (or .cse5 (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 17:21:22,667 INFO L425 ceAbstractionStarter]: For program point L203-1(line 203) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L201(lines 201 218) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 163 169) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 163 169) the Hoare annotation is: true [2018-11-18 17:21:22,668 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 325 390) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,668 INFO L421 ceAbstractionStarter]: At program point L380(lines 335 382) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-18 17:21:22,668 INFO L421 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 351) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 325 390) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 341) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L335-1(lines 335 382) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L421 ceAbstractionStarter]: At program point L383(lines 334 384) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L421 ceAbstractionStarter]: At program point L373-2(lines 365 378) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L336(lines 335 382) no Hoare annotation was computed. [2018-11-18 17:21:22,668 INFO L421 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3))) [2018-11-18 17:21:22,668 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 378) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L421 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse6 .cse5 .cse2 .cse3 .cse4))) [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 361) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 325 390) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L355-1(lines 355 361) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L66-1(line 66) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 60 88) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-18 17:21:22,669 INFO L421 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~pumpRunning~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse2 .cse3) (or .cse4 (or .cse2 .cse3)) (or .cse4 .cse0 (= ~waterLevel~0 1) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))))) [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 82) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L421 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse2 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (< ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse5 .cse3 (not .cse2) .cse4) (or .cse6 .cse3 .cse7) (or .cse0 (or .cse3 .cse7)))) [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 85) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 60 88) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L425 ceAbstractionStarter]: For program point L68-1(lines 60 88) no Hoare annotation was computed. [2018-11-18 17:21:22,669 INFO L421 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~pumpRunning~0 1) .cse5 .cse6 .cse2 .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse2 .cse3 .cse4)))) [2018-11-18 17:21:22,669 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 52 59) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 17:21:22,670 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 52 59) no Hoare annotation was computed. [2018-11-18 17:21:22,670 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 52 59) no Hoare annotation was computed. [2018-11-18 17:21:22,670 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:21:22,670 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 17:21:22,670 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:21:22,670 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 222 229) no Hoare annotation was computed. [2018-11-18 17:21:22,670 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 222 229) no Hoare annotation was computed. [2018-11-18 17:21:22,670 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 222 229) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 294 312) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 307) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L428 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: true [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point L303-2(lines 303 307) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point L301-1(line 301) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 294 312) the Hoare annotation is: true [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 294 312) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 516 527) the Hoare annotation is: (let ((.cse5 (< ~pumpRunning~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (or .cse5 (or .cse6 .cse1) .cse7) (or .cse5 .cse3 (or .cse1 .cse2) .cse4) (or .cse7 .cse6 (or .cse0 .cse1) .cse4))) [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 516 527) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 516 527) no Hoare annotation was computed. [2018-11-18 17:21:22,671 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 393 422) no Hoare annotation was computed. [2018-11-18 17:21:22,672 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 411) no Hoare annotation was computed. [2018-11-18 17:21:22,672 INFO L428 ceAbstractionStarter]: At program point L407-1(lines 407 411) the Hoare annotation is: true [2018-11-18 17:21:22,672 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 403 417) no Hoare annotation was computed. [2018-11-18 17:21:22,672 INFO L428 ceAbstractionStarter]: At program point L403-3(lines 403 417) the Hoare annotation is: true [2018-11-18 17:21:22,672 INFO L428 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: true [2018-11-18 17:21:22,672 INFO L425 ceAbstractionStarter]: For program point L399-1(line 399) no Hoare annotation was computed. [2018-11-18 17:21:22,672 INFO L428 ceAbstractionStarter]: At program point L418(lines 393 422) the Hoare annotation is: true [2018-11-18 17:21:22,672 INFO L425 ceAbstractionStarter]: For program point L414(line 414) no Hoare annotation was computed. [2018-11-18 17:21:22,672 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 393 422) the Hoare annotation is: true [2018-11-18 17:21:22,672 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 17:21:22,672 INFO L421 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse8 (< |old(~pumpRunning~0)| 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse1 .cse3 .cse6) .cse7 .cse5) (or .cse8 .cse0 .cse3 .cse7) (or .cse7 .cse8 (or .cse3 .cse6)) (or (and .cse7 .cse9) .cse0 (or .cse1 .cse3) .cse5) (or .cse1 (and .cse2 .cse9) .cse3 .cse4 .cse5 .cse6))) [2018-11-18 17:21:22,673 INFO L421 ceAbstractionStarter]: At program point L150(lines 150 156) the Hoare annotation is: (let ((.cse3 (= 0 ~methAndRunningLastTime~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (= 1 ~waterLevel~0) .cse3)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2 .cse3) .cse4 (or .cse5 .cse6) .cse7) (or (or .cse5 .cse6 .cse8) .cse4 .cse7 (and .cse1 .cse2)) (or .cse9 .cse0 .cse6 .cse10) (or .cse0 .cse5 .cse11 .cse6 .cse12 .cse7) (or .cse5 .cse11 .cse6 .cse12 .cse7 .cse8) (or .cse4 .cse9 (or .cse6 .cse8) .cse10)))) [2018-11-18 17:21:22,673 INFO L421 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or .cse4 .cse0 .cse2 .cse5) (or .cse5 .cse4 (or .cse2 .cse6)) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-11-18 17:21:22,673 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 139 162) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (= 0 ~methAndRunningLastTime~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse7 .cse10)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse3) (or .cse6 (or .cse3 .cse8) .cse7) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse8) (or (or .cse1 .cse3 .cse8) .cse9 .cse5) (or .cse6 .cse0 .cse10 .cse3 .cse5) (or .cse9 .cse0 (or .cse1 .cse3) .cse5)))) [2018-11-18 17:21:22,673 INFO L425 ceAbstractionStarter]: For program point L143(lines 142 161) no Hoare annotation was computed. [2018-11-18 17:21:22,673 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 139 162) no Hoare annotation was computed. [2018-11-18 17:21:22,673 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 139 162) no Hoare annotation was computed. [2018-11-18 17:21:22,673 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 528 536) the Hoare annotation is: true [2018-11-18 17:21:22,673 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 528 536) no Hoare annotation was computed. [2018-11-18 17:21:22,673 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 528 536) no Hoare annotation was computed. [2018-11-18 17:21:22,673 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 492 503) no Hoare annotation was computed. [2018-11-18 17:21:22,673 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 492 503) the Hoare annotation is: true [2018-11-18 17:21:22,674 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 492 503) no Hoare annotation was computed. [2018-11-18 17:21:22,674 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 447 453) no Hoare annotation was computed. [2018-11-18 17:21:22,674 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 447 453) the Hoare annotation is: true [2018-11-18 17:21:22,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:21:22,674 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 17:21:22,674 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:21:22,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:21:22,674 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 313 320) no Hoare annotation was computed. [2018-11-18 17:21:22,674 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 313 320) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~pumpRunning~0 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2) .cse3) (or (or .cse4 .cse1 .cse2) .cse3 .cse5) (or .cse3 .cse6 (or .cse4 .cse1) .cse5) (or .cse0 .cse6 .cse3 .cse1))) [2018-11-18 17:21:22,674 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 313 320) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 171 195) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-18 17:21:22,675 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point L190-1(lines 171 195) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 171 195) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< |old(~pumpRunning~0)| 1) (or .cse1 .cse2)) (or (< ~methaneLevelCritical~0 1) (or .cse0 .cse1) .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-11-18 17:21:22,675 INFO L421 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse5)) (or (or .cse1 .cse2 .cse5) (and .cse3 .cse6)) (or .cse0 (or .cse1 .cse2) .cse6 .cse4))) [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 187) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (or .cse1 .cse2) (not (= ~methAndRunningLastTime~0 0))) (or (or .cse1 .cse2 .cse3) .cse0) (or (< |old(~pumpRunning~0)| 1) (or .cse2 .cse3)))) [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 192) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 504 515) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 504 515) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 504 515) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 17:21:22,675 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 17:21:22,676 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 17:21:22,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:21:22 BoogieIcfgContainer [2018-11-18 17:21:22,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:21:22,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:21:22,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:21:22,687 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:21:22,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:21:12" (3/4) ... [2018-11-18 17:21:22,690 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:21:22,695 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:21:22,696 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:21:22,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:21:22,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:21:22,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 17:21:22,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 17:21:22,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:21:22,697 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:21:22,706 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 17:21:22,706 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:21:22,707 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:21:22,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) [2018-11-18 17:21:22,725 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 17:21:22,760 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_16edac23-c3cb-4c44-b0a7-98a87b75dfbb/bin-2019/utaipan/witness.graphml [2018-11-18 17:21:22,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:21:22,761 INFO L168 Benchmark]: Toolchain (without parser) took 10814.38 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 639.1 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -104.4 MB). Peak memory consumption was 534.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:21:22,761 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:21:22,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:21:22,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:21:22,762 INFO L168 Benchmark]: Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:21:22,762 INFO L168 Benchmark]: RCFGBuilder took 466.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:21:22,762 INFO L168 Benchmark]: TraceAbstraction took 9859.24 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 514.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -30.3 MB). Peak memory consumption was 585.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:21:22,762 INFO L168 Benchmark]: Witness Printer took 74.14 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:21:22,763 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 359.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 466.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.4 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9859.24 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 514.3 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -30.3 MB). Peak memory consumption was 585.1 MB. Max. memory is 11.5 GB. * Witness Printer took 74.14 ms. Allocated memory is still 1.7 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 403]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 393]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 335]: Loop Invariant Derived loop invariant: (((((((((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || (((1 <= pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2000 SDtfs, 1049 SDslu, 4114 SDs, 0 SdLazy, 1251 SolverSat, 287 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 735 GetRequests, 650 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=654occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 503 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 1359 PreInvPairs, 1417 NumberOfFragments, 2538 HoareAnnotationTreeSize, 1359 FomulaSimplifications, 5885 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 61 FomulaSimplificationsInter, 7260 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1387 NumberOfCodeBlocks, 1387 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1679 ConstructedInterpolants, 0 QuantifiedInterpolants, 328194 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1640 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 281/297 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...