./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product42_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_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/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 532810884b5d2bf06b0b91e69513de04a1b641b8 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 17:42:19,520 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:42:19,521 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:42:19,527 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:42:19,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:42:19,528 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:42:19,529 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:42:19,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:42:19,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:42:19,532 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:42:19,533 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:42:19,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:42:19,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:42:19,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:42:19,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:42:19,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:42:19,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:42:19,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:42:19,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:42:19,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:42:19,541 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:42:19,542 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:42:19,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:42:19,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:42:19,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:42:19,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:42:19,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:42:19,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:42:19,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:42:19,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:42:19,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:42:19,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:42:19,549 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:42:19,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:42:19,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:42:19,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:42:19,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:42:19,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:42:19,561 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:42:19,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:42:19,561 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:42:19,561 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:42:19,562 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:42:19,562 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:42:19,563 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:42:19,563 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:42:19,563 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:42:19,563 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:42:19,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:42:19,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:42:19,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:42:19,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:42:19,565 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:42:19,565 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_48639d6e-195d-4661-bef8-96e4f360ad72/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 -> 532810884b5d2bf06b0b91e69513de04a1b641b8 [2018-11-18 17:42:19,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:42:19,599 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:42:19,601 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:42:19,602 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:42:19,602 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:42:19,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-11-18 17:42:19,641 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/data/7243d7186/8c9e33d94f0c40dfba63cfb073dd1513/FLAG8ad59b342 [2018-11-18 17:42:20,028 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:42:20,028 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/sv-benchmarks/c/product-lines/minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-11-18 17:42:20,038 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/data/7243d7186/8c9e33d94f0c40dfba63cfb073dd1513/FLAG8ad59b342 [2018-11-18 17:42:20,415 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/data/7243d7186/8c9e33d94f0c40dfba63cfb073dd1513 [2018-11-18 17:42:20,417 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:42:20,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:42:20,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:42:20,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:42:20,421 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:42:20,422 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485d7caf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20, skipping insertion in model container [2018-11-18 17:42:20,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:42:20,467 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:42:20,665 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:42:20,674 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:42:20,782 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:42:20,799 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:42:20,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20 WrapperNode [2018-11-18 17:42:20,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:42:20,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:42:20,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:42:20,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:42:20,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:42:20,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:42:20,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:42:20,827 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:42:20,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... [2018-11-18 17:42:20,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:42:20,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:42:20,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:42:20,862 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:42:20,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/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 17:42:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:42:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:42:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:42:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:42:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:42:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:42:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:42:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:42:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:42:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:42:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:42:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:42:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:42:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:42:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:42:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:42:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:42:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:42:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:42:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 17:42:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 17:42:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:42:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:42:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:42:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:42:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:42:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:42:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:42:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:42:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 17:42:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 17:42:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:42:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:42:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:42:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:42:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:42:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:42:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:42:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:42:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:42:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:42:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:42:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:42:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:42:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:42:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:42:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:42:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:42:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:42:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 17:42:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 17:42:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:42:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:42:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:42:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:42:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:42:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:42:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:42:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:42:21,361 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:42:21,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:42:21 BoogieIcfgContainer [2018-11-18 17:42:21,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:42:21,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:42:21,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:42:21,368 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:42:21,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:42:20" (1/3) ... [2018-11-18 17:42:21,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b00167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:42:21, skipping insertion in model container [2018-11-18 17:42:21,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:42:20" (2/3) ... [2018-11-18 17:42:21,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b00167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:42:21, skipping insertion in model container [2018-11-18 17:42:21,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:42:21" (3/3) ... [2018-11-18 17:42:21,371 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42_true-unreach-call_false-termination.cil.c [2018-11-18 17:42:21,377 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:42:21,382 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:42:21,391 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:42:21,415 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:42:21,415 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:42:21,415 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:42:21,415 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:42:21,415 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:42:21,415 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:42:21,415 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:42:21,415 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:42:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-11-18 17:42:21,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 17:42:21,439 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:21,440 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:21,441 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:21,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:21,445 INFO L82 PathProgramCache]: Analyzing trace with hash -1617298266, now seen corresponding path program 1 times [2018-11-18 17:42:21,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:21,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:21,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:21,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:21,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:21,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:21,658 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:21,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:42:21,658 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:21,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:42:21,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:42:21,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:42:21,671 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-11-18 17:42:21,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:21,700 INFO L93 Difference]: Finished difference Result 268 states and 327 transitions. [2018-11-18 17:42:21,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:42:21,701 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 17:42:21,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:21,712 INFO L225 Difference]: With dead ends: 268 [2018-11-18 17:42:21,712 INFO L226 Difference]: Without dead ends: 136 [2018-11-18 17:42:21,715 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 17:42:21,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-11-18 17:42:21,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-11-18 17:42:21,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-11-18 17:42:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 157 transitions. [2018-11-18 17:42:21,758 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 157 transitions. Word has length 59 [2018-11-18 17:42:21,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:21,759 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 157 transitions. [2018-11-18 17:42:21,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:42:21,759 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 157 transitions. [2018-11-18 17:42:21,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 17:42:21,762 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:21,762 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:21,762 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:21,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:21,762 INFO L82 PathProgramCache]: Analyzing trace with hash 685086463, now seen corresponding path program 1 times [2018-11-18 17:42:21,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:21,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:21,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:21,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:21,764 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:21,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:21,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:21,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:42:21,845 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:21,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:42:21,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:42:21,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:42:21,847 INFO L87 Difference]: Start difference. First operand 136 states and 157 transitions. Second operand 3 states. [2018-11-18 17:42:21,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:21,866 INFO L93 Difference]: Finished difference Result 211 states and 243 transitions. [2018-11-18 17:42:21,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:42:21,867 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 17:42:21,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:21,868 INFO L225 Difference]: With dead ends: 211 [2018-11-18 17:42:21,868 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 17:42:21,869 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 17:42:21,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 17:42:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 17:42:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 17:42:21,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 144 transitions. [2018-11-18 17:42:21,880 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 144 transitions. Word has length 61 [2018-11-18 17:42:21,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:21,880 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 144 transitions. [2018-11-18 17:42:21,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:42:21,881 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 144 transitions. [2018-11-18 17:42:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 17:42:21,881 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:21,882 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:21,882 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:21,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:21,882 INFO L82 PathProgramCache]: Analyzing trace with hash 224611700, now seen corresponding path program 1 times [2018-11-18 17:42:21,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:21,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:21,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:21,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:21,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:22,008 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:22,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:42:22,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:22,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:42:22,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:42:22,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:22,009 INFO L87 Difference]: Start difference. First operand 126 states and 144 transitions. Second operand 7 states. [2018-11-18 17:42:22,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:22,271 INFO L93 Difference]: Finished difference Result 224 states and 261 transitions. [2018-11-18 17:42:22,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:42:22,272 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 17:42:22,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:22,274 INFO L225 Difference]: With dead ends: 224 [2018-11-18 17:42:22,274 INFO L226 Difference]: Without dead ends: 126 [2018-11-18 17:42:22,275 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 17:42:22,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-18 17:42:22,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-18 17:42:22,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-18 17:42:22,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 143 transitions. [2018-11-18 17:42:22,286 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 143 transitions. Word has length 66 [2018-11-18 17:42:22,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:22,287 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 143 transitions. [2018-11-18 17:42:22,287 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:42:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 143 transitions. [2018-11-18 17:42:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-11-18 17:42:22,289 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:22,289 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:22,289 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:22,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:22,290 INFO L82 PathProgramCache]: Analyzing trace with hash 548440645, now seen corresponding path program 1 times [2018-11-18 17:42:22,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:22,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:22,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:22,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:22,291 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:22,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:22,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:22,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:42:22,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:22,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:42:22,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:42:22,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:42:22,391 INFO L87 Difference]: Start difference. First operand 126 states and 143 transitions. Second operand 5 states. [2018-11-18 17:42:22,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:22,755 INFO L93 Difference]: Finished difference Result 323 states and 385 transitions. [2018-11-18 17:42:22,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:42:22,755 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-11-18 17:42:22,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:22,757 INFO L225 Difference]: With dead ends: 323 [2018-11-18 17:42:22,757 INFO L226 Difference]: Without dead ends: 225 [2018-11-18 17:42:22,757 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-18 17:42:22,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 205. [2018-11-18 17:42:22,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-11-18 17:42:22,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 235 transitions. [2018-11-18 17:42:22,775 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 235 transitions. Word has length 74 [2018-11-18 17:42:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:22,776 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 235 transitions. [2018-11-18 17:42:22,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:42:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 235 transitions. [2018-11-18 17:42:22,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 17:42:22,777 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:22,777 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:22,777 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:22,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:22,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1270374040, now seen corresponding path program 1 times [2018-11-18 17:42:22,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:22,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:22,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:22,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:22,779 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:22,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:42:22,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:22,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:42:22,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:22,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:42:22,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:42:22,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:42:22,867 INFO L87 Difference]: Start difference. First operand 205 states and 235 transitions. Second operand 7 states. [2018-11-18 17:42:23,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:23,400 INFO L93 Difference]: Finished difference Result 401 states and 473 transitions. [2018-11-18 17:42:23,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:42:23,401 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 88 [2018-11-18 17:42:23,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:23,402 INFO L225 Difference]: With dead ends: 401 [2018-11-18 17:42:23,402 INFO L226 Difference]: Without dead ends: 224 [2018-11-18 17:42:23,403 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:42:23,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-11-18 17:42:23,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 204. [2018-11-18 17:42:23,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-11-18 17:42:23,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 232 transitions. [2018-11-18 17:42:23,419 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 232 transitions. Word has length 88 [2018-11-18 17:42:23,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:23,420 INFO L480 AbstractCegarLoop]: Abstraction has 204 states and 232 transitions. [2018-11-18 17:42:23,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:42:23,420 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 232 transitions. [2018-11-18 17:42:23,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 17:42:23,421 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:23,422 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:23,422 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:23,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:23,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1736465483, now seen corresponding path program 1 times [2018-11-18 17:42:23,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:23,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:23,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,425 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:23,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:23,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:23,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:23,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:42:23,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:23,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:42:23,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:42:23,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:42:23,505 INFO L87 Difference]: Start difference. First operand 204 states and 232 transitions. Second operand 6 states. [2018-11-18 17:42:23,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:23,530 INFO L93 Difference]: Finished difference Result 387 states and 450 transitions. [2018-11-18 17:42:23,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:42:23,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 17:42:23,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:23,532 INFO L225 Difference]: With dead ends: 387 [2018-11-18 17:42:23,532 INFO L226 Difference]: Without dead ends: 211 [2018-11-18 17:42:23,533 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 17:42:23,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-18 17:42:23,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 209. [2018-11-18 17:42:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-18 17:42:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 237 transitions. [2018-11-18 17:42:23,546 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 237 transitions. Word has length 104 [2018-11-18 17:42:23,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:23,546 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 237 transitions. [2018-11-18 17:42:23,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:42:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 237 transitions. [2018-11-18 17:42:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 17:42:23,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:23,548 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:23,548 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:23,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:23,548 INFO L82 PathProgramCache]: Analyzing trace with hash 509113971, now seen corresponding path program 1 times [2018-11-18 17:42:23,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:23,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:23,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:23,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:23,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:42:23,622 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:23,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:42:23,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:42:23,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:42:23,622 INFO L87 Difference]: Start difference. First operand 209 states and 237 transitions. Second operand 8 states. [2018-11-18 17:42:23,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:23,648 INFO L93 Difference]: Finished difference Result 397 states and 461 transitions. [2018-11-18 17:42:23,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:42:23,650 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 17:42:23,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:23,651 INFO L225 Difference]: With dead ends: 397 [2018-11-18 17:42:23,651 INFO L226 Difference]: Without dead ends: 216 [2018-11-18 17:42:23,652 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 17:42:23,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-11-18 17:42:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 213. [2018-11-18 17:42:23,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-18 17:42:23,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 241 transitions. [2018-11-18 17:42:23,663 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 241 transitions. Word has length 104 [2018-11-18 17:42:23,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:23,663 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 241 transitions. [2018-11-18 17:42:23,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:42:23,663 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 241 transitions. [2018-11-18 17:42:23,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 17:42:23,664 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:23,664 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:23,664 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:23,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:23,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1478694994, now seen corresponding path program 1 times [2018-11-18 17:42:23,665 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:23,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:23,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,665 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:23,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:23,749 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:23,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:23,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:42:23,749 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:23,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:42:23,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:42:23,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:42:23,750 INFO L87 Difference]: Start difference. First operand 213 states and 241 transitions. Second operand 4 states. [2018-11-18 17:42:23,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:23,893 INFO L93 Difference]: Finished difference Result 603 states and 714 transitions. [2018-11-18 17:42:23,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:42:23,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 17:42:23,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:23,896 INFO L225 Difference]: With dead ends: 603 [2018-11-18 17:42:23,896 INFO L226 Difference]: Without dead ends: 418 [2018-11-18 17:42:23,896 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 17:42:23,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2018-11-18 17:42:23,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 409. [2018-11-18 17:42:23,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2018-11-18 17:42:23,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 474 transitions. [2018-11-18 17:42:23,918 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 474 transitions. Word has length 104 [2018-11-18 17:42:23,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:23,919 INFO L480 AbstractCegarLoop]: Abstraction has 409 states and 474 transitions. [2018-11-18 17:42:23,919 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:42:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 474 transitions. [2018-11-18 17:42:23,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 17:42:23,920 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:23,920 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:42:23,921 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:23,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:23,921 INFO L82 PathProgramCache]: Analyzing trace with hash -989312040, now seen corresponding path program 1 times [2018-11-18 17:42:23,921 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:23,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,922 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:23,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:23,922 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:24,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:42:24,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:42:24,029 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 17:42:24,029 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:42:24,029 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:42:24,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:42:24,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:42:24,030 INFO L87 Difference]: Start difference. First operand 409 states and 474 transitions. Second operand 9 states. [2018-11-18 17:42:24,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:24,617 INFO L93 Difference]: Finished difference Result 1086 states and 1310 transitions. [2018-11-18 17:42:24,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:42:24,622 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 108 [2018-11-18 17:42:24,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:24,625 INFO L225 Difference]: With dead ends: 1086 [2018-11-18 17:42:24,625 INFO L226 Difference]: Without dead ends: 773 [2018-11-18 17:42:24,626 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:42:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-18 17:42:24,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 695. [2018-11-18 17:42:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2018-11-18 17:42:24,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 796 transitions. [2018-11-18 17:42:24,675 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 796 transitions. Word has length 108 [2018-11-18 17:42:24,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:24,676 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 796 transitions. [2018-11-18 17:42:24,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:42:24,676 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 796 transitions. [2018-11-18 17:42:24,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 17:42:24,678 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:42:24,678 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] [2018-11-18 17:42:24,678 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:42:24,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:24,679 INFO L82 PathProgramCache]: Analyzing trace with hash 669637769, now seen corresponding path program 1 times [2018-11-18 17:42:24,679 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:42:24,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:24,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:24,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:42:24,680 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:42:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:24,804 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:42:24,805 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:24,805 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:42:24,805 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 17:42:24,807 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [56], [57], [58], [61], [63], [66], [73], [76], [77], [81], [82], [83], [84], [88], [94], [98], [102], [105], [108], [110], [116], [118], [124], [129], [137], [138], [139], [140], [141], [143], [148], [151], [152], [154], [159], [161], [162], [163], [164], [172], [173], [177], [180], [184], [190], [220], [224], [225], [233], [237], [238], [241], [242], [243], [244], [245], [246], [247], [249], [250], [251], [252], [253], [254], [255], [256], [257], [259], [260], [261], [263], [264], [265], [266], [267], [268], [271], [272], [273], [274], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [301], [302], [303] [2018-11-18 17:42:24,838 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:42:24,839 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:42:25,911 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:42:25,912 INFO L272 AbstractInterpreter]: Visited 121 different actions 534 times. Merged at 17 different actions 48 times. Never widened. Performed 18363 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18363 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 17:42:25,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:42:25,927 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:42:25,927 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:42:25,927 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/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 17:42:25,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:42:25,944 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:42:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:42:26,027 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:42:26,166 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 27 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:42:26,167 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:42:26,482 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:42:26,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:42:26,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 17:42:26,507 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:42:26,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 17:42:26,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 17:42:26,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 17:42:26,508 INFO L87 Difference]: Start difference. First operand 695 states and 796 transitions. Second operand 16 states. [2018-11-18 17:42:27,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:42:27,112 INFO L93 Difference]: Finished difference Result 1097 states and 1276 transitions. [2018-11-18 17:42:27,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:42:27,113 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 153 [2018-11-18 17:42:27,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:42:27,114 INFO L225 Difference]: With dead ends: 1097 [2018-11-18 17:42:27,114 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:42:27,116 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 297 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2018-11-18 17:42:27,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:42:27,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:42:27,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:42:27,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:42:27,117 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2018-11-18 17:42:27,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:42:27,117 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:42:27,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 17:42:27,117 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:42:27,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:42:27,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:42:27,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:27,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:27,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:27,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:42:27,587 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 26 [2018-11-18 17:42:27,744 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-18 17:42:28,513 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-18 17:42:28,904 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2018-11-18 17:42:28,904 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2018-11-18 17:42:28,904 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2018-11-18 17:42:28,904 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2018-11-18 17:42:28,904 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2018-11-18 17:42:28,904 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 17:42:28,905 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:42:28,905 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 17:42:28,905 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-18 17:42:28,905 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-18 17:42:28,905 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 17:42:28,905 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-18 17:42:28,905 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-18 17:42:28,905 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L421 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L428 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-18 17:42:28,906 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-18 17:42:28,906 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 17:42:28,907 INFO L421 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:42:28,907 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2018-11-18 17:42:28,907 INFO L421 ceAbstractionStarter]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:42:28,907 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 190) no Hoare annotation was computed. [2018-11-18 17:42:28,907 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2018-11-18 17:42:28,907 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 17:42:28,907 INFO L421 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 17:42:28,907 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 17:42:28,907 INFO L421 ceAbstractionStarter]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 17:42:28,907 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2018-11-18 17:42:28,908 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L421 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:42:28,908 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2018-11-18 17:42:28,908 INFO L428 ceAbstractionStarter]: At program point L877(line 877) the Hoare annotation is: true [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point L877-1(line 877) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2018-11-18 17:42:28,908 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2018-11-18 17:42:28,909 INFO L421 ceAbstractionStarter]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 17:42:28,909 INFO L425 ceAbstractionStarter]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2018-11-18 17:42:28,909 INFO L421 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (= processEnvironment_~tmp~6 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-18 17:42:28,909 INFO L421 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-18 17:42:28,909 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2018-11-18 17:42:28,909 INFO L425 ceAbstractionStarter]: For program point L821(lines 821 829) no Hoare annotation was computed. [2018-11-18 17:42:28,909 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-18 17:42:28,909 INFO L421 ceAbstractionStarter]: At program point L819(line 819) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-18 17:42:28,909 INFO L425 ceAbstractionStarter]: For program point L819-1(line 819) no Hoare annotation was computed. [2018-11-18 17:42:28,909 INFO L425 ceAbstractionStarter]: For program point L817(lines 817 834) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 700) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2018-11-18 17:42:28,910 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2018-11-18 17:42:28,910 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:42:28,910 INFO L421 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 17:42:28,910 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L425 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-11-18 17:42:28,910 INFO L421 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 17:42:28,911 INFO L425 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-11-18 17:42:28,911 INFO L421 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 17:42:28,911 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-11-18 17:42:28,911 INFO L421 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse0 .cse2 .cse3) (and .cse1 .cse2 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 17:42:28,911 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-11-18 17:42:28,911 INFO L425 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-11-18 17:42:28,911 INFO L421 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3) (and .cse5 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse3))) [2018-11-18 17:42:28,911 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse3 (= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and .cse0 .cse1 .cse2) .cse3 .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse5 .cse1 .cse2 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-18 17:42:28,911 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-18 17:42:28,911 INFO L425 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point L716-1(lines 716 763) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L421 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2018-11-18 17:42:28,912 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 17:42:28,912 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 860) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point L852-1(line 852) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point L937(lines 937 941) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L428 ceAbstractionStarter]: At program point L935(line 935) the Hoare annotation is: true [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point L935-1(line 935) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2018-11-18 17:42:28,913 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2018-11-18 17:42:28,913 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2018-11-18 17:42:28,914 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2018-11-18 17:42:28,914 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2018-11-18 17:42:28,914 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2018-11-18 17:42:28,914 INFO L421 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-18 17:42:28,914 INFO L421 ceAbstractionStarter]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-18 17:42:28,914 INFO L421 ceAbstractionStarter]: At program point L787(line 787) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-18 17:42:28,914 INFO L425 ceAbstractionStarter]: For program point L785(lines 781 803) no Hoare annotation was computed. [2018-11-18 17:42:28,914 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= 0 ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (= ~pumpRunning~0 1)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse9 (or .cse4 .cse2 .cse10)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse5 .cse6) (or .cse4 (and .cse7 (= 1 ~waterLevel~0)) .cse2 .cse5) (or (and .cse8 .cse6) .cse1 .cse2 .cse3) (or (and .cse7 .cse0) .cse9) (or (or .cse2 .cse10) .cse1 (and .cse8 .cse0)) (or .cse3 .cse9 .cse6)))) [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point L783(lines 781 803) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 112) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L428 ceAbstractionStarter]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point L104-1(lines 104 118) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L428 ceAbstractionStarter]: At program point L104-3(lines 104 118) the Hoare annotation is: true [2018-11-18 17:42:28,915 INFO L428 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: true [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point L100-1(line 100) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2018-11-18 17:42:28,915 INFO L428 ceAbstractionStarter]: At program point L119(lines 94 123) the Hoare annotation is: true [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 17:42:28,915 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 17:42:28,916 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse3 .cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (or .cse2 .cse4) .cse3 .cse1) (or .cse1 (or .cse0 .cse2 .cse4)))) [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2018-11-18 17:42:28,916 INFO L425 ceAbstractionStarter]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2018-11-18 17:42:28,917 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-18 17:42:28,917 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2018-11-18 17:42:28,917 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2018-11-18 17:42:28,917 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2018-11-18 17:42:28,917 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2018-11-18 17:42:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:42:28 BoogieIcfgContainer [2018-11-18 17:42:28,930 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:42:28,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:42:28,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:42:28,930 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:42:28,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:42:21" (3/4) ... [2018-11-18 17:42:28,934 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:42:28,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:42:28,938 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:42:28,939 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:42:28,940 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:42:28,941 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 17:42:28,941 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:42:28,941 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:42:28,947 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 17:42:28,947 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:42:28,948 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:42:28,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) [2018-11-18 17:42:28,965 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 17:42:28,999 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_48639d6e-195d-4661-bef8-96e4f360ad72/bin-2019/utaipan/witness.graphml [2018-11-18 17:42:28,999 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:42:29,000 INFO L168 Benchmark]: Toolchain (without parser) took 8582.71 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 422.1 MB). Free memory was 956.4 MB in the beginning and 843.0 MB in the end (delta: 113.4 MB). Peak memory consumption was 535.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:29,000 INFO L168 Benchmark]: CDTParser took 0.14 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 17:42:29,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:29,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.99 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:29,001 INFO L168 Benchmark]: Boogie Preprocessor took 31.16 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 17:42:29,001 INFO L168 Benchmark]: RCFGBuilder took 505.64 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:29,001 INFO L168 Benchmark]: TraceAbstraction took 7565.66 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 285.7 MB). Free memory was 1.1 GB in the beginning and 853.8 MB in the end (delta: 211.1 MB). Peak memory consumption was 496.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:29,001 INFO L168 Benchmark]: Witness Printer took 68.88 ms. Allocated memory is still 1.5 GB. Free memory was 853.8 MB in the beginning and 843.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:42:29,003 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 381.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.99 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: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.16 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. * RCFGBuilder took 505.64 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: 58.6 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7565.66 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 285.7 MB). Free memory was 1.1 GB in the beginning and 853.8 MB in the end (delta: 211.1 MB). Peak memory consumption was 496.8 MB. Max. memory is 11.5 GB. * Witness Printer took 68.88 ms. Allocated memory is still 1.5 GB. Free memory was 853.8 MB in the beginning and 843.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 716]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || (((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || (((0 == pumpRunning && 1 == waterLevel) && systemActive == 1) && splverifierCounter == 0) - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 149 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1719 SDtfs, 1359 SDslu, 4575 SDs, 0 SdLazy, 2219 SolverSat, 512 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 429 GetRequests, 341 SyntacticMatches, 6 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=695occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 132 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 878 PreInvPairs, 946 NumberOfFragments, 1788 HoareAnnotationTreeSize, 878 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5347 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1074 NumberOfCodeBlocks, 1074 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1215 ConstructedInterpolants, 0 QuantifiedInterpolants, 233677 SizeOfPredicates, 4 NumberOfNonLiveVariables, 820 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 124/147 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...