./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/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 b18fc9f0044b48e81511337a91deb94a0dfeec26 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:00:48,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:00:48,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:00:48,723 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:00:48,723 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:00:48,723 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:00:48,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:00:48,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:00:48,725 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:00:48,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:00:48,726 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:00:48,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:00:48,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:00:48,727 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:00:48,728 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:00:48,728 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:00:48,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:00:48,730 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:00:48,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:00:48,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:00:48,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:00:48,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:00:48,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:00:48,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:00:48,734 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:00:48,734 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:00:48,735 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:00:48,735 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:00:48,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:00:48,736 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:00:48,736 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:00:48,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:00:48,737 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:00:48,737 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:00:48,737 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:00:48,738 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:00:48,738 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:00:48,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:00:48,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:00:48,746 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:00:48,746 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:00:48,746 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:00:48,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:00:48,747 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:00:48,748 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:00:48,748 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:00:48,748 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:00:48,749 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_f2c0afd5-13d5-4732-85e3-8acccae282c5/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 -> b18fc9f0044b48e81511337a91deb94a0dfeec26 [2018-12-09 00:00:48,765 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:00:48,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:00:48,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:00:48,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:00:48,775 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:00:48,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-09 00:00:48,810 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/data/904f104fd/059d1c0182fa46078bb600e421c38ef4/FLAG044e09fd5 [2018-12-09 00:00:49,109 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:00:49,110 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/sv-benchmarks/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-09 00:00:49,116 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/data/904f104fd/059d1c0182fa46078bb600e421c38ef4/FLAG044e09fd5 [2018-12-09 00:00:49,124 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/data/904f104fd/059d1c0182fa46078bb600e421c38ef4 [2018-12-09 00:00:49,126 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:00:49,126 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:00:49,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:00:49,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:00:49,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:00:49,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,131 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49, skipping insertion in model container [2018-12-09 00:00:49,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,136 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:00:49,156 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:00:49,302 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:00:49,351 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:00:49,411 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:00:49,430 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:00:49,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49 WrapperNode [2018-12-09 00:00:49,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:00:49,431 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:00:49,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:00:49,431 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:00:49,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:00:49,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:00:49,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:00:49,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:00:49,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... [2018-12-09 00:00:49,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:00:49,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:00:49,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:00:49,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:00:49,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:00:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:00:49,519 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:00:49,519 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:00:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 00:00:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 00:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:00:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:00:49,520 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:00:49,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:00:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:00:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:00:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:00:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:00:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:00:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:00:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:00:49,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:00:49,521 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:00:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:00:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:00:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:00:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:00:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:00:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:00:49,522 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:00:49,522 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:00:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:00:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 00:00:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 00:00:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:00:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:00:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:00:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:00:49,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:00:49,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:00:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:00:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:00:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:00:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:00:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:00:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:00:49,524 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:00:49,524 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:00:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:00:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:00:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:00:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:00:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:00:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:00:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:00:49,525 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:00:49,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:00:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:00:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:00:49,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:00:49,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:00:49,846 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:00:49,846 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:00:49,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:49 BoogieIcfgContainer [2018-12-09 00:00:49,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:00:49,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:00:49,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:00:49,849 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:00:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:00:49" (1/3) ... [2018-12-09 00:00:49,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90b7291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:49, skipping insertion in model container [2018-12-09 00:00:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:00:49" (2/3) ... [2018-12-09 00:00:49,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90b7291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:00:49, skipping insertion in model container [2018-12-09 00:00:49,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:49" (3/3) ... [2018-12-09 00:00:49,852 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-12-09 00:00:49,858 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:00:49,863 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:00:49,872 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:00:49,895 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:00:49,895 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:00:49,895 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:00:49,895 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:00:49,895 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:00:49,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:00:49,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:00:49,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:00:49,906 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2018-12-09 00:00:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:00:49,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:49,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:49,913 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:49,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:49,916 INFO L82 PathProgramCache]: Analyzing trace with hash 1821137213, now seen corresponding path program 1 times [2018-12-09 00:00:49,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:49,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:49,945 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:49,946 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:49,946 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:00:50,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:50,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:00:50,051 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:50,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:00:50,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:00:50,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:00:50,063 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 2 states. [2018-12-09 00:00:50,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:50,085 INFO L93 Difference]: Finished difference Result 260 states and 319 transitions. [2018-12-09 00:00:50,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:00:50,086 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 00:00:50,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:50,093 INFO L225 Difference]: With dead ends: 260 [2018-12-09 00:00:50,093 INFO L226 Difference]: Without dead ends: 130 [2018-12-09 00:00:50,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:00:50,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-12-09 00:00:50,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-12-09 00:00:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-12-09 00:00:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 151 transitions. [2018-12-09 00:00:50,127 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 151 transitions. Word has length 46 [2018-12-09 00:00:50,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:50,127 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 151 transitions. [2018-12-09 00:00:50,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:00:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 151 transitions. [2018-12-09 00:00:50,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:00:50,129 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:50,129 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:50,129 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:50,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:50,129 INFO L82 PathProgramCache]: Analyzing trace with hash 387568080, now seen corresponding path program 1 times [2018-12-09 00:00:50,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:50,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:50,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:00:50,174 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:50,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:00:50,174 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:50,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:00:50,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:00:50,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:00:50,175 INFO L87 Difference]: Start difference. First operand 130 states and 151 transitions. Second operand 3 states. [2018-12-09 00:00:50,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:50,187 INFO L93 Difference]: Finished difference Result 196 states and 227 transitions. [2018-12-09 00:00:50,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:00:50,188 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 00:00:50,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:50,188 INFO L225 Difference]: With dead ends: 196 [2018-12-09 00:00:50,189 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 00:00:50,189 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:00:50,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 00:00:50,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-12-09 00:00:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-12-09 00:00:50,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 139 transitions. [2018-12-09 00:00:50,197 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 139 transitions. Word has length 47 [2018-12-09 00:00:50,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:50,197 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 139 transitions. [2018-12-09 00:00:50,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:00:50,197 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 139 transitions. [2018-12-09 00:00:50,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:00:50,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:50,198 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:50,198 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:50,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:50,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1640207721, now seen corresponding path program 1 times [2018-12-09 00:00:50,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:50,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:50,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,199 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:00:50,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:50,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:00:50,274 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:50,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:00:50,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:00:50,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:00:50,274 INFO L87 Difference]: Start difference. First operand 121 states and 139 transitions. Second operand 7 states. [2018-12-09 00:00:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:50,531 INFO L93 Difference]: Finished difference Result 365 states and 437 transitions. [2018-12-09 00:00:50,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:00:50,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 00:00:50,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:50,533 INFO L225 Difference]: With dead ends: 365 [2018-12-09 00:00:50,533 INFO L226 Difference]: Without dead ends: 268 [2018-12-09 00:00:50,534 INFO L631 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 [2018-12-09 00:00:50,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-12-09 00:00:50,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 244. [2018-12-09 00:00:50,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 244 states. [2018-12-09 00:00:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 290 transitions. [2018-12-09 00:00:50,553 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 290 transitions. Word has length 52 [2018-12-09 00:00:50,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:50,553 INFO L480 AbstractCegarLoop]: Abstraction has 244 states and 290 transitions. [2018-12-09 00:00:50,553 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:00:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 290 transitions. [2018-12-09 00:00:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 00:00:50,554 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:50,554 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:50,555 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:50,555 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1372100749, now seen corresponding path program 1 times [2018-12-09 00:00:50,555 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:50,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:50,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:50,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:00:50,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:50,610 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:00:50,610 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:50,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:00:50,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:00:50,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:00:50,611 INFO L87 Difference]: Start difference. First operand 244 states and 290 transitions. Second operand 6 states. [2018-12-09 00:00:50,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:50,724 INFO L93 Difference]: Finished difference Result 669 states and 818 transitions. [2018-12-09 00:00:50,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:00:50,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 00:00:50,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:50,727 INFO L225 Difference]: With dead ends: 669 [2018-12-09 00:00:50,727 INFO L226 Difference]: Without dead ends: 449 [2018-12-09 00:00:50,728 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 00:00:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-09 00:00:50,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-09 00:00:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-09 00:00:50,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 530 transitions. [2018-12-09 00:00:50,751 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 530 transitions. Word has length 57 [2018-12-09 00:00:50,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:50,751 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 530 transitions. [2018-12-09 00:00:50,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:00:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 530 transitions. [2018-12-09 00:00:50,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:00:50,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:50,753 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:50,753 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:50,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:50,754 INFO L82 PathProgramCache]: Analyzing trace with hash 164845425, now seen corresponding path program 1 times [2018-12-09 00:00:50,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:50,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:50,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:50,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:00:50,822 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:50,822 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:00:50,822 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:50,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:00:50,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:00:50,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:00:50,823 INFO L87 Difference]: Start difference. First operand 443 states and 530 transitions. Second operand 7 states. [2018-12-09 00:00:51,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:51,173 INFO L93 Difference]: Finished difference Result 1154 states and 1471 transitions. [2018-12-09 00:00:51,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 00:00:51,173 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 00:00:51,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:51,177 INFO L225 Difference]: With dead ends: 1154 [2018-12-09 00:00:51,177 INFO L226 Difference]: Without dead ends: 735 [2018-12-09 00:00:51,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:00:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2018-12-09 00:00:51,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 649. [2018-12-09 00:00:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2018-12-09 00:00:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 777 transitions. [2018-12-09 00:00:51,222 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 777 transitions. Word has length 61 [2018-12-09 00:00:51,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:51,222 INFO L480 AbstractCegarLoop]: Abstraction has 649 states and 777 transitions. [2018-12-09 00:00:51,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:00:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 777 transitions. [2018-12-09 00:00:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 00:00:51,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:51,225 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:51,226 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:51,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:51,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1443452205, now seen corresponding path program 1 times [2018-12-09 00:00:51,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:51,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:51,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:51,298 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:00:51,299 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:51,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:00:51,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:51,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:00:51,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:00:51,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:00:51,300 INFO L87 Difference]: Start difference. First operand 649 states and 777 transitions. Second operand 6 states. [2018-12-09 00:00:51,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:51,343 INFO L93 Difference]: Finished difference Result 1302 states and 1602 transitions. [2018-12-09 00:00:51,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:00:51,344 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-09 00:00:51,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:51,346 INFO L225 Difference]: With dead ends: 1302 [2018-12-09 00:00:51,346 INFO L226 Difference]: Without dead ends: 677 [2018-12-09 00:00:51,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:00:51,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2018-12-09 00:00:51,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 669. [2018-12-09 00:00:51,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-12-09 00:00:51,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 797 transitions. [2018-12-09 00:00:51,379 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 797 transitions. Word has length 94 [2018-12-09 00:00:51,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:51,380 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 797 transitions. [2018-12-09 00:00:51,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:00:51,380 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 797 transitions. [2018-12-09 00:00:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 00:00:51,382 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:51,382 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:51,382 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:51,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:51,382 INFO L82 PathProgramCache]: Analyzing trace with hash 1954121813, now seen corresponding path program 1 times [2018-12-09 00:00:51,383 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:51,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:51,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,384 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:51,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:51,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:00:51,458 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:51,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:00:51,458 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:51,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:00:51,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:00:51,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:00:51,459 INFO L87 Difference]: Start difference. First operand 669 states and 797 transitions. Second operand 8 states. [2018-12-09 00:00:51,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:51,496 INFO L93 Difference]: Finished difference Result 1342 states and 1642 transitions. [2018-12-09 00:00:51,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:00:51,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 94 [2018-12-09 00:00:51,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:51,498 INFO L225 Difference]: With dead ends: 1342 [2018-12-09 00:00:51,498 INFO L226 Difference]: Without dead ends: 697 [2018-12-09 00:00:51,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:00:51,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2018-12-09 00:00:51,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 685. [2018-12-09 00:00:51,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 685 states. [2018-12-09 00:00:51,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 813 transitions. [2018-12-09 00:00:51,518 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 813 transitions. Word has length 94 [2018-12-09 00:00:51,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:51,519 INFO L480 AbstractCegarLoop]: Abstraction has 685 states and 813 transitions. [2018-12-09 00:00:51,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:00:51,519 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 813 transitions. [2018-12-09 00:00:51,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 00:00:51,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:51,520 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:51,520 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:51,520 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:51,520 INFO L82 PathProgramCache]: Analyzing trace with hash -369906026, now seen corresponding path program 1 times [2018-12-09 00:00:51,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:51,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:51,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,521 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:51,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 00:00:51,562 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:00:51,563 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:00:51,563 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:51,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:00:51,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:00:51,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:00:51,563 INFO L87 Difference]: Start difference. First operand 685 states and 813 transitions. Second operand 4 states. [2018-12-09 00:00:51,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:51,710 INFO L93 Difference]: Finished difference Result 2183 states and 2716 transitions. [2018-12-09 00:00:51,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:00:51,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 94 [2018-12-09 00:00:51,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:51,717 INFO L225 Difference]: With dead ends: 2183 [2018-12-09 00:00:51,717 INFO L226 Difference]: Without dead ends: 1522 [2018-12-09 00:00:51,719 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:00:51,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1522 states. [2018-12-09 00:00:51,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1522 to 1491. [2018-12-09 00:00:51,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-12-09 00:00:51,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1807 transitions. [2018-12-09 00:00:51,780 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1807 transitions. Word has length 94 [2018-12-09 00:00:51,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:51,781 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 1807 transitions. [2018-12-09 00:00:51,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:00:51,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1807 transitions. [2018-12-09 00:00:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 00:00:51,784 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:51,784 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:51,784 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:51,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:51,785 INFO L82 PathProgramCache]: Analyzing trace with hash -286238096, now seen corresponding path program 1 times [2018-12-09 00:00:51,785 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:51,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,785 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:51,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:51,785 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:00:51,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 00:00:51,870 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:00:51,871 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:00:51,871 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 99 with the following transitions: [2018-12-09 00:00:51,872 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [32], [34], [35], [38], [42], [43], [44], [47], [49], [52], [62], [64], [73], [77], [81], [84], [89], [92], [97], [103], [109], [117], [118], [119], [120], [121], [123], [128], [131], [132], [134], [139], [141], [142], [147], [149], [150], [151], [183], [187], [201], [209], [213], [214], [217], [219], [222], [224], [227], [236], [237], [238], [239], [240], [241], [242], [243], [244], [248], [250], [251], [252], [253], [254], [255], [260], [261], [262], [263], [268], [272], [273], [274], [275], [276], [277], [284], [285], [286], [288], [289], [290], [292], [293], [294], [295], [296] [2018-12-09 00:00:51,896 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:00:51,896 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:00:52,153 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 00:00:52,154 INFO L272 AbstractInterpreter]: Visited 74 different actions 74 times. Never merged. Never widened. Performed 2475 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2475 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 00:00:52,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:52,159 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 00:00:52,401 INFO L227 lantSequenceWeakener]: Weakened 72 states. On average, predicates are now at 97.16% of their original sizes. [2018-12-09 00:00:52,401 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 00:00:52,552 INFO L418 sIntCurrentIteration]: We unified 97 AI predicates to 97 [2018-12-09 00:00:52,553 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 00:00:52,553 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 00:00:52,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [13] total 35 [2018-12-09 00:00:52,553 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:00:52,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 00:00:52,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 00:00:52,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2018-12-09 00:00:52,554 INFO L87 Difference]: Start difference. First operand 1491 states and 1807 transitions. Second operand 24 states. [2018-12-09 00:00:57,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:00:57,758 INFO L93 Difference]: Finished difference Result 3263 states and 4007 transitions. [2018-12-09 00:00:57,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-12-09 00:00:57,758 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 98 [2018-12-09 00:00:57,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:00:57,765 INFO L225 Difference]: With dead ends: 3263 [2018-12-09 00:00:57,765 INFO L226 Difference]: Without dead ends: 1796 [2018-12-09 00:00:57,769 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 123 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=2182, Unknown=0, NotChecked=0, Total=2450 [2018-12-09 00:00:57,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1796 states. [2018-12-09 00:00:57,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1796 to 1777. [2018-12-09 00:00:57,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1777 states. [2018-12-09 00:00:57,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1777 states and 2080 transitions. [2018-12-09 00:00:57,834 INFO L78 Accepts]: Start accepts. Automaton has 1777 states and 2080 transitions. Word has length 98 [2018-12-09 00:00:57,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:00:57,834 INFO L480 AbstractCegarLoop]: Abstraction has 1777 states and 2080 transitions. [2018-12-09 00:00:57,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 00:00:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2080 transitions. [2018-12-09 00:00:57,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 00:00:57,837 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:00:57,837 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:00:57,837 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:00:57,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:00:57,838 INFO L82 PathProgramCache]: Analyzing trace with hash 22854898, now seen corresponding path program 1 times [2018-12-09 00:00:57,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:00:57,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:57,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:00:57,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:00:57,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:00:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:00:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 00:00:57,924 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 00:00:58,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:00:58 BoogieIcfgContainer [2018-12-09 00:00:58,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:00:58,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:00:58,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:00:58,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:00:58,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:00:49" (3/4) ... [2018-12-09 00:00:58,026 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 00:00:58,108 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f2c0afd5-13d5-4732-85e3-8acccae282c5/bin-2019/utaipan/witness.graphml [2018-12-09 00:00:58,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:00:58,109 INFO L168 Benchmark]: Toolchain (without parser) took 8982.96 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 513.8 MB). Free memory was 951.3 MB in the beginning and 1.4 GB in the end (delta: -483.0 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.78 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. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: Boogie Preprocessor took 28.91 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. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: RCFGBuilder took 361.97 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: TraceAbstraction took 8175.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 359.7 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -389.8 MB). Peak memory consumption was 541.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:00:58,110 INFO L168 Benchmark]: Witness Printer took 84.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. [2018-12-09 00:00:58,111 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -182.9 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.91 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 361.97 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: 48.2 MB). Peak memory consumption was 48.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8175.88 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 359.7 MB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -389.8 MB). Peak memory consumption was 541.8 MB. Max. memory is 11.5 GB. * Witness Printer took 84.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 41.5 MB). Peak memory consumption was 41.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 44]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=195, \old(head)=200, \old(head)=178, \old(methaneLevelCritical)=152, \old(pumpRunning)=137, \old(systemActive)=136, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L924] int retValue_acc ; [L925] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L929] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L930] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L931] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L931] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L935] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L936] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L918] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L431] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L433] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L439] tmp = __VERIFIER_nondet_int() [L441] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L443] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L711] COND TRUE waterLevel < 2 [L712] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L443] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L478] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L513] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L515] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L535] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L538] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L773] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L776] COND FALSE !(waterLevel < 2) [L780] retValue_acc = 0 [L781] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L656] tmp = isHighWaterSensorDry() [L658] COND FALSE !(\read(tmp)) [L661] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L663] retValue_acc = tmp___0 [L664] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L540] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L540] tmp = isHighWaterLevel() [L542] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L544] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L569] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L594] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L598] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L598] retValue_acc = isMethaneLevelCritical() [L600] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L573] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L573] tmp = isMethaneAlarm() [L575] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L579] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L579] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L544] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L515] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L521] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L521] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L478] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L431] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L433] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L453] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L723] COND FALSE !(\read(methaneLevelCritical)) [L726] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L453] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND FALSE !(\read(tmp___2)) [L467] tmp___1 = __VERIFIER_nondet_int() [L469] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L478] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L506] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L508] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L699] COND TRUE waterLevel > 0 [L700] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L508] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L513] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L535] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L538] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L553] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L515] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L521] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L788] int tmp ; [L789] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L793] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L793] tmp = isMethaneLevelCritical() [L795] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L797] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L605] int retValue_acc ; [L608] retValue_acc = pumpRunning [L609] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L797] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L797] tmp___0 = isPumpRunning() [L799] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L801] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L44] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 143 locations, 1 error locations. UNSAFE Result, 8.1s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 6.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1648 SDtfs, 1148 SDslu, 6373 SDs, 0 SdLazy, 2303 SolverSat, 235 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 197 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 541 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1777occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9967033258098491 AbsIntWeakeningRatio, 1.1134020618556701 AbsIntAvgWeakeningVarsNumRemoved, 84.0618556701031 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 186 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 777 NumberOfCodeBlocks, 777 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 634 ConstructedInterpolants, 0 QuantifiedInterpolants, 77521 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...