./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product15_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_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:15:56,724 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 03:15:56,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 03:15:56,731 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 03:15:56,731 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 03:15:56,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 03:15:56,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 03:15:56,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 03:15:56,735 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 03:15:56,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 03:15:56,736 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 03:15:56,736 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 03:15:56,737 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 03:15:56,737 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 03:15:56,738 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 03:15:56,738 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 03:15:56,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 03:15:56,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 03:15:56,740 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 03:15:56,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 03:15:56,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 03:15:56,742 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 03:15:56,743 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 03:15:56,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 03:15:56,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 03:15:56,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 03:15:56,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 03:15:56,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 03:15:56,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 03:15:56,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 03:15:56,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 03:15:56,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 03:15:56,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 03:15:56,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 03:15:56,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 03:15:56,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 03:15:56,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 03:15:56,753 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 03:15:56,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 03:15:56,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 03:15:56,754 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 03:15:56,754 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 03:15:56,754 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 03:15:56,754 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 03:15:56,754 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 03:15:56,754 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 03:15:56,754 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 03:15:56,755 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 03:15:56,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 03:15:56,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 03:15:56,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 03:15:56,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 03:15:56,757 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 03:15:56,757 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 03:15:56,757 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 03:15:56,757 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 03:15:56,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 03:15:56,757 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 03:15:56,757 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_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2018-12-09 03:15:56,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 03:15:56,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 03:15:56,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 03:15:56,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 03:15:56,783 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 03:15:56,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-12-09 03:15:56,818 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/data/97b710abf/f431106c3f22451f80fa35ae9d02fc44/FLAGfe2670d15 [2018-12-09 03:15:57,228 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 03:15:57,228 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/sv-benchmarks/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-12-09 03:15:57,234 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/data/97b710abf/f431106c3f22451f80fa35ae9d02fc44/FLAGfe2670d15 [2018-12-09 03:15:57,242 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/data/97b710abf/f431106c3f22451f80fa35ae9d02fc44 [2018-12-09 03:15:57,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 03:15:57,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 03:15:57,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 03:15:57,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 03:15:57,247 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 03:15:57,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57, skipping insertion in model container [2018-12-09 03:15:57,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 03:15:57,274 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 03:15:57,416 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:15:57,424 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 03:15:57,498 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 03:15:57,513 INFO L195 MainTranslator]: Completed translation [2018-12-09 03:15:57,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57 WrapperNode [2018-12-09 03:15:57,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 03:15:57,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 03:15:57,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 03:15:57,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 03:15:57,519 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 03:15:57,533 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 03:15:57,533 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 03:15:57,533 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 03:15:57,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... [2018-12-09 03:15:57,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 03:15:57,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 03:15:57,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 03:15:57,554 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 03:15:57,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/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 03:15:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 03:15:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 03:15:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 03:15:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 03:15:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 03:15:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 03:15:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 03:15:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 03:15:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 03:15:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 03:15:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 03:15:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 03:15:57,588 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 03:15:57,588 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 03:15:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 03:15:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 03:15:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 03:15:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 03:15:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 03:15:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 03:15:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 03:15:57,589 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 03:15:57,589 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 03:15:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 03:15:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 03:15:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 03:15:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 03:15:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 03:15:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 03:15:57,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 03:15:57,590 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 03:15:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 03:15:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 03:15:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 03:15:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 03:15:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 03:15:57,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 03:15:57,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 03:15:57,839 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 03:15:57,839 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 03:15:57,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:15:57 BoogieIcfgContainer [2018-12-09 03:15:57,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 03:15:57,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 03:15:57,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 03:15:57,842 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 03:15:57,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:15:57" (1/3) ... [2018-12-09 03:15:57,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd8dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:15:57, skipping insertion in model container [2018-12-09 03:15:57,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:15:57" (2/3) ... [2018-12-09 03:15:57,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fd8dad2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:15:57, skipping insertion in model container [2018-12-09 03:15:57,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:15:57" (3/3) ... [2018-12-09 03:15:57,844 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-12-09 03:15:57,850 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 03:15:57,855 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 03:15:57,865 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 03:15:57,883 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 03:15:57,883 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 03:15:57,883 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 03:15:57,884 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 03:15:57,884 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 03:15:57,884 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 03:15:57,884 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 03:15:57,884 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 03:15:57,895 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2018-12-09 03:15:57,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 03:15:57,901 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:15:57,901 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 03:15:57,903 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:15:57,906 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:15:57,906 INFO L82 PathProgramCache]: Analyzing trace with hash 785830176, now seen corresponding path program 1 times [2018-12-09 03:15:57,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:15:57,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:57,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:15:57,936 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:57,936 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:15:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:15:58,051 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 03:15:58,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:15:58,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 03:15:58,052 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:15:58,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 03:15:58,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 03:15:58,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 03:15:58,065 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 2 states. [2018-12-09 03:15:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:15:58,086 INFO L93 Difference]: Finished difference Result 222 states and 279 transitions. [2018-12-09 03:15:58,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 03:15:58,086 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 03:15:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:15:58,093 INFO L225 Difference]: With dead ends: 222 [2018-12-09 03:15:58,093 INFO L226 Difference]: Without dead ends: 111 [2018-12-09 03:15:58,095 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 03:15:58,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-12-09 03:15:58,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-12-09 03:15:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-12-09 03:15:58,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 131 transitions. [2018-12-09 03:15:58,124 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 131 transitions. Word has length 52 [2018-12-09 03:15:58,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:15:58,124 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 131 transitions. [2018-12-09 03:15:58,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 03:15:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 131 transitions. [2018-12-09 03:15:58,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 03:15:58,126 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:15:58,126 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] [2018-12-09 03:15:58,126 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:15:58,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:15:58,127 INFO L82 PathProgramCache]: Analyzing trace with hash 81784519, now seen corresponding path program 1 times [2018-12-09 03:15:58,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:15:58,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:15:58,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:15:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:15:58,183 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 03:15:58,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:15:58,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 03:15:58,184 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:15:58,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 03:15:58,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 03:15:58,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 03:15:58,185 INFO L87 Difference]: Start difference. First operand 111 states and 131 transitions. Second operand 3 states. [2018-12-09 03:15:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:15:58,197 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2018-12-09 03:15:58,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 03:15:58,197 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 03:15:58,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:15:58,198 INFO L225 Difference]: With dead ends: 165 [2018-12-09 03:15:58,198 INFO L226 Difference]: Without dead ends: 102 [2018-12-09 03:15:58,199 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 03:15:58,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-12-09 03:15:58,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-12-09 03:15:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-12-09 03:15:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 119 transitions. [2018-12-09 03:15:58,206 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 119 transitions. Word has length 53 [2018-12-09 03:15:58,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:15:58,206 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 119 transitions. [2018-12-09 03:15:58,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 03:15:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 119 transitions. [2018-12-09 03:15:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 03:15:58,207 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:15:58,207 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 03:15:58,207 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:15:58,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:15:58,208 INFO L82 PathProgramCache]: Analyzing trace with hash -115140197, now seen corresponding path program 1 times [2018-12-09 03:15:58,208 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:15:58,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,208 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:15:58,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:15:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:15:58,267 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 03:15:58,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:15:58,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 03:15:58,267 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:15:58,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 03:15:58,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 03:15:58,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 03:15:58,268 INFO L87 Difference]: Start difference. First operand 102 states and 119 transitions. Second operand 7 states. [2018-12-09 03:15:58,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:15:58,451 INFO L93 Difference]: Finished difference Result 314 states and 382 transitions. [2018-12-09 03:15:58,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:15:58,452 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 03:15:58,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:15:58,454 INFO L225 Difference]: With dead ends: 314 [2018-12-09 03:15:58,454 INFO L226 Difference]: Without dead ends: 236 [2018-12-09 03:15:58,455 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 03:15:58,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-12-09 03:15:58,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 228. [2018-12-09 03:15:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-12-09 03:15:58,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 277 transitions. [2018-12-09 03:15:58,482 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 277 transitions. Word has length 57 [2018-12-09 03:15:58,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:15:58,482 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 277 transitions. [2018-12-09 03:15:58,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 03:15:58,483 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 277 transitions. [2018-12-09 03:15:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 03:15:58,485 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:15:58,485 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, 1, 1] [2018-12-09 03:15:58,485 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:15:58,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:15:58,486 INFO L82 PathProgramCache]: Analyzing trace with hash 288049556, now seen corresponding path program 1 times [2018-12-09 03:15:58,486 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:15:58,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:15:58,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,487 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:15:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:15:58,560 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 03:15:58,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:15:58,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 03:15:58,561 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:15:58,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 03:15:58,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 03:15:58,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 03:15:58,562 INFO L87 Difference]: Start difference. First operand 228 states and 277 transitions. Second operand 6 states. [2018-12-09 03:15:58,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:15:58,687 INFO L93 Difference]: Finished difference Result 609 states and 777 transitions. [2018-12-09 03:15:58,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 03:15:58,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-09 03:15:58,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:15:58,691 INFO L225 Difference]: With dead ends: 609 [2018-12-09 03:15:58,691 INFO L226 Difference]: Without dead ends: 405 [2018-12-09 03:15:58,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 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 03:15:58,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-12-09 03:15:58,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 399. [2018-12-09 03:15:58,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-09 03:15:58,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 496 transitions. [2018-12-09 03:15:58,728 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 496 transitions. Word has length 63 [2018-12-09 03:15:58,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:15:58,729 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 496 transitions. [2018-12-09 03:15:58,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 03:15:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 496 transitions. [2018-12-09 03:15:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 03:15:58,731 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:15:58,732 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, 1, 1, 1, 1, 1, 1] [2018-12-09 03:15:58,732 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:15:58,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:15:58,732 INFO L82 PathProgramCache]: Analyzing trace with hash 293484218, now seen corresponding path program 1 times [2018-12-09 03:15:58,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:15:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:15:58,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:15:58,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 03:15:58,776 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 03:15:58,777 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 03:15:58,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 03:15:58,777 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 03:15:58,777 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 03:15:58,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 03:15:58,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 03:15:58,778 INFO L87 Difference]: Start difference. First operand 399 states and 496 transitions. Second operand 4 states. [2018-12-09 03:15:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 03:15:58,866 INFO L93 Difference]: Finished difference Result 692 states and 881 transitions. [2018-12-09 03:15:58,866 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 03:15:58,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-09 03:15:58,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 03:15:58,868 INFO L225 Difference]: With dead ends: 692 [2018-12-09 03:15:58,868 INFO L226 Difference]: Without dead ends: 317 [2018-12-09 03:15:58,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 03:15:58,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-12-09 03:15:58,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 309. [2018-12-09 03:15:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-12-09 03:15:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 360 transitions. [2018-12-09 03:15:58,889 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 360 transitions. Word has length 67 [2018-12-09 03:15:58,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 03:15:58,889 INFO L480 AbstractCegarLoop]: Abstraction has 309 states and 360 transitions. [2018-12-09 03:15:58,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 03:15:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 360 transitions. [2018-12-09 03:15:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 03:15:58,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 03:15:58,891 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, 1, 1, 1, 1, 1, 1] [2018-12-09 03:15:58,891 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 03:15:58,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 03:15:58,891 INFO L82 PathProgramCache]: Analyzing trace with hash -512485286, now seen corresponding path program 1 times [2018-12-09 03:15:58,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 03:15:58,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 03:15:58,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 03:15:58,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 03:15:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:15:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 03:15:59,000 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 03:15:59,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:15:59 BoogieIcfgContainer [2018-12-09 03:15:59,059 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 03:15:59,059 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 03:15:59,059 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 03:15:59,059 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 03:15:59,060 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:15:57" (3/4) ... [2018-12-09 03:15:59,061 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 03:15:59,117 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01fb6cef-c26c-4b93-8cac-28a77ae8e27c/bin-2019/utaipan/witness.graphml [2018-12-09 03:15:59,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 03:15:59,118 INFO L168 Benchmark]: Toolchain (without parser) took 1873.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -78.2 MB). Peak memory consumption was 37.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,119 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 03:15:59,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,120 INFO L168 Benchmark]: Boogie Preprocessor took 20.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,120 INFO L168 Benchmark]: RCFGBuilder took 285.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,120 INFO L168 Benchmark]: TraceAbstraction took 1218.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,120 INFO L168 Benchmark]: Witness Printer took 58.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2018-12-09 03:15:59,122 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 268.23 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 285.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1218.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 8.0 MB). Peak memory consumption was 8.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 24.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 870]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=195, \old(head)=185, \old(head)=199, \old(methaneLevelCritical)=160, \old(pumpRunning)=150, \old(systemActive)=149, \old(waterLevel)=157, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] int retValue_acc ; [L809] 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] [L813] 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] [L814] 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] [L815] 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] [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] 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] [L815] 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] [L815] tmp = valid_product() [L817] 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] [L819] 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] [L820] 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] [L799] 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] [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] 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] [L228] 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] [L230] 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] [L236] tmp = __VERIFIER_nondet_int() [L238] 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] [L240] 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] [L670] COND TRUE waterLevel < 2 [L671] 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] [L240] 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] [L246] tmp___0 = __VERIFIER_nondet_int() [L248] 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] [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp___2)) [L262] tmp___1 = __VERIFIER_nondet_int() [L264] COND TRUE \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=1, tmp___2=0, waterLevel=2] [L266] CALL stopSystem() 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] [L203] COND FALSE !(\read(pumpRunning)) 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] [L210] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L266] RET stopSystem() 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=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L273] 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=0, waterLevel=2] [L57] 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=0, waterLevel=2] [L64] COND FALSE !(\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=0, waterLevel=2] [L72] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L839] 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=0, waterLevel=2] [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] 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=0, waterLevel=2] [L839] 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=0, waterLevel=2] [L839] tmp = isMethaneLevelCritical() [L841] 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=0, tmp=0, waterLevel=2] [L845] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L845] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L845] tmp___0 = getWaterLevel() [L847] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L849] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = pumpRunning [L159] 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=0, waterLevel=2] [L849] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L849] tmp___1 = isPumpRunning() [L851] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L855] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L870] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 124 locations, 1 error locations. UNSAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 631 SDtfs, 365 SDslu, 1103 SDs, 0 SdLazy, 270 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=399occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 22 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 28893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...