./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product14_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_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/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 f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 17:51:57,783 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:51:57,784 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:51:57,789 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:51:57,790 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:51:57,790 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:51:57,791 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:51:57,791 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:51:57,792 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:51:57,793 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:51:57,793 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:51:57,793 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:51:57,793 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:51:57,794 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:51:57,794 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:51:57,795 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:51:57,795 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:51:57,796 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:51:57,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:51:57,797 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:51:57,798 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:51:57,799 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:51:57,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:51:57,801 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:51:57,801 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:51:57,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:51:57,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:51:57,802 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:51:57,802 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:51:57,803 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:51:57,803 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:51:57,803 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:51:57,804 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:51:57,804 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:51:57,804 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:51:57,804 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:51:57,805 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:51:57,813 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:51:57,814 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:51:57,814 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:51:57,815 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:51:57,815 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:51:57,815 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:51:57,815 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:51:57,815 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:51:57,815 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:51:57,816 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:51:57,816 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:51:57,816 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:51:57,816 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:51:57,817 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:51:57,817 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:51:57,817 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:51:57,817 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:51:57,817 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:51:57,817 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:51:57,817 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:51:57,818 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:51:57,818 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:51:57,818 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:51:57,818 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:51:57,818 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:51:57,818 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:51:57,819 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:51:57,819 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:51:57,819 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:51:57,819 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:51:57,819 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:51:57,819 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:51:57,820 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:51:57,820 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:51:57,820 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:51:57,820 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:51:57,820 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_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/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 -> f8bd2b9cdfe426b4b4e5d96ef145364b2303f1ae [2018-12-09 17:51:57,843 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:51:57,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:51:57,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:51:57,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:51:57,853 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:51:57,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-12-09 17:51:57,898 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/data/0508af888/5fbd0b93993b4feea5aac4f24d46e35f/FLAG409619485 [2018-12-09 17:51:58,298 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:51:58,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/sv-benchmarks/c/product-lines/minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-12-09 17:51:58,304 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/data/0508af888/5fbd0b93993b4feea5aac4f24d46e35f/FLAG409619485 [2018-12-09 17:51:58,312 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/data/0508af888/5fbd0b93993b4feea5aac4f24d46e35f [2018-12-09 17:51:58,314 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:51:58,315 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:51:58,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:51:58,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:51:58,317 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:51:58,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58, skipping insertion in model container [2018-12-09 17:51:58,319 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:51:58,343 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:51:58,489 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:51:58,496 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:51:58,587 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:51:58,604 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:51:58,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58 WrapperNode [2018-12-09 17:51:58,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:51:58,605 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:51:58,605 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:51:58,605 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:51:58,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:51:58,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:51:58,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:51:58,629 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:51:58,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,639 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... [2018-12-09 17:51:58,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:51:58,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:51:58,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:51:58,658 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:51:58,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/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 17:51:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 17:51:58,690 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 17:51:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 17:51:58,691 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:51:58,692 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:51:58,692 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 17:51:58,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 17:51:58,693 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 17:51:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 17:51:58,694 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:51:58,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:51:58,978 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:51:58,978 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 17:51:58,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:51:58 BoogieIcfgContainer [2018-12-09 17:51:58,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:51:58,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:51:58,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:51:58,982 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:51:58,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:51:58" (1/3) ... [2018-12-09 17:51:58,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf2b114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:51:58, skipping insertion in model container [2018-12-09 17:51:58,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:51:58" (2/3) ... [2018-12-09 17:51:58,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bf2b114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:51:58, skipping insertion in model container [2018-12-09 17:51:58,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:51:58" (3/3) ... [2018-12-09 17:51:58,984 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product14_false-unreach-call_false-termination.cil.c [2018-12-09 17:51:58,990 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:51:58,994 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:51:59,003 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:51:59,020 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:51:59,021 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:51:59,021 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:51:59,021 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:51:59,021 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:51:59,021 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:51:59,021 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:51:59,021 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:51:59,034 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2018-12-09 17:51:59,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 17:51:59,041 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:51:59,042 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 17:51:59,043 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:51:59,048 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:51:59,048 INFO L82 PathProgramCache]: Analyzing trace with hash 147199337, now seen corresponding path program 1 times [2018-12-09 17:51:59,050 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:51:59,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:51:59,080 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,080 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:51:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:51:59,215 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 17:51:59,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:51:59,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:51:59,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:51:59,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:51:59,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:51:59,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:51:59,228 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 2 states. [2018-12-09 17:51:59,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:51:59,248 INFO L93 Difference]: Finished difference Result 218 states and 271 transitions. [2018-12-09 17:51:59,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:51:59,249 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 17:51:59,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:51:59,255 INFO L225 Difference]: With dead ends: 218 [2018-12-09 17:51:59,255 INFO L226 Difference]: Without dead ends: 109 [2018-12-09 17:51:59,257 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 17:51:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-12-09 17:51:59,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-12-09 17:51:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-12-09 17:51:59,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 127 transitions. [2018-12-09 17:51:59,285 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 127 transitions. Word has length 52 [2018-12-09 17:51:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:51:59,285 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 127 transitions. [2018-12-09 17:51:59,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:51:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 127 transitions. [2018-12-09 17:51:59,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 17:51:59,287 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:51:59,287 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 17:51:59,288 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:51:59,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:51:59,288 INFO L82 PathProgramCache]: Analyzing trace with hash 235650608, now seen corresponding path program 1 times [2018-12-09 17:51:59,288 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:51:59,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:51:59,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,289 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:51:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:51:59,340 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 17:51:59,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:51:59,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:51:59,341 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:51:59,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:51:59,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:51:59,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:51:59,342 INFO L87 Difference]: Start difference. First operand 109 states and 127 transitions. Second operand 3 states. [2018-12-09 17:51:59,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:51:59,353 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-12-09 17:51:59,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:51:59,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 17:51:59,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:51:59,354 INFO L225 Difference]: With dead ends: 163 [2018-12-09 17:51:59,354 INFO L226 Difference]: Without dead ends: 100 [2018-12-09 17:51:59,355 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 17:51:59,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-09 17:51:59,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-09 17:51:59,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-09 17:51:59,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-09 17:51:59,361 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 53 [2018-12-09 17:51:59,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:51:59,361 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-09 17:51:59,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:51:59,361 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-09 17:51:59,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 17:51:59,362 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:51:59,362 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] [2018-12-09 17:51:59,362 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:51:59,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:51:59,363 INFO L82 PathProgramCache]: Analyzing trace with hash 1266168902, now seen corresponding path program 1 times [2018-12-09 17:51:59,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:51:59,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:51:59,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,364 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:51:59,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:51:59,433 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 17:51:59,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:51:59,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:51:59,433 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:51:59,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:51:59,434 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:51:59,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:51:59,434 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-12-09 17:51:59,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:51:59,588 INFO L93 Difference]: Finished difference Result 176 states and 207 transitions. [2018-12-09 17:51:59,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:51:59,588 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 17:51:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:51:59,589 INFO L225 Difference]: With dead ends: 176 [2018-12-09 17:51:59,589 INFO L226 Difference]: Without dead ends: 100 [2018-12-09 17:51:59,590 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 17:51:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-09 17:51:59,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-09 17:51:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-09 17:51:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-12-09 17:51:59,596 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 58 [2018-12-09 17:51:59,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:51:59,596 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-12-09 17:51:59,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:51:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-12-09 17:51:59,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 17:51:59,597 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:51:59,597 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] [2018-12-09 17:51:59,598 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:51:59,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:51:59,598 INFO L82 PathProgramCache]: Analyzing trace with hash -158922314, now seen corresponding path program 1 times [2018-12-09 17:51:59,598 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:51:59,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:51:59,599 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,599 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:51:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:51:59,663 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 17:51:59,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:51:59,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:51:59,663 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:51:59,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:51:59,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:51:59,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:51:59,664 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 6 states. [2018-12-09 17:51:59,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:51:59,789 INFO L93 Difference]: Finished difference Result 241 states and 290 transitions. [2018-12-09 17:51:59,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:51:59,789 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2018-12-09 17:51:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:51:59,792 INFO L225 Difference]: With dead ends: 241 [2018-12-09 17:51:59,792 INFO L226 Difference]: Without dead ends: 165 [2018-12-09 17:51:59,793 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 17:51:59,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-12-09 17:51:59,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 163. [2018-12-09 17:51:59,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-12-09 17:51:59,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 191 transitions. [2018-12-09 17:51:59,810 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 191 transitions. Word has length 66 [2018-12-09 17:51:59,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:51:59,811 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 191 transitions. [2018-12-09 17:51:59,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:51:59,811 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 191 transitions. [2018-12-09 17:51:59,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 17:51:59,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:51:59,813 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, 1, 1, 1] [2018-12-09 17:51:59,813 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:51:59,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:51:59,813 INFO L82 PathProgramCache]: Analyzing trace with hash -869167716, now seen corresponding path program 1 times [2018-12-09 17:51:59,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:51:59,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:51:59,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,814 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:51:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:51:59,855 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 17:51:59,856 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:51:59,856 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:51:59,856 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:51:59,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:51:59,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:51:59,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:51:59,857 INFO L87 Difference]: Start difference. First operand 163 states and 191 transitions. Second operand 3 states. [2018-12-09 17:51:59,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:51:59,873 INFO L93 Difference]: Finished difference Result 270 states and 322 transitions. [2018-12-09 17:51:59,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:51:59,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 70 [2018-12-09 17:51:59,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:51:59,875 INFO L225 Difference]: With dead ends: 270 [2018-12-09 17:51:59,875 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 17:51:59,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 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 17:51:59,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 17:51:59,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 17:51:59,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 17:51:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 146 transitions. [2018-12-09 17:51:59,884 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 146 transitions. Word has length 70 [2018-12-09 17:51:59,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:51:59,884 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 146 transitions. [2018-12-09 17:51:59,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:51:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 146 transitions. [2018-12-09 17:51:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 17:51:59,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:51:59,885 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, 1, 1, 1] [2018-12-09 17:51:59,885 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:51:59,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:51:59,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1956758192, now seen corresponding path program 1 times [2018-12-09 17:51:59,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:51:59,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:51:59,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:51:59,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:51:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:51:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 17:51:59,954 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 17:52:00,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:52:00 BoogieIcfgContainer [2018-12-09 17:52:00,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:52:00,030 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:52:00,030 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:52:00,030 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:52:00,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:51:58" (3/4) ... [2018-12-09 17:52:00,032 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 17:52:00,088 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a2b7ad3e-0cbc-477c-96d2-bfe28aa9d3b3/bin-2019/utaipan/witness.graphml [2018-12-09 17:52:00,088 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:52:00,089 INFO L168 Benchmark]: Toolchain (without parser) took 1774.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -114.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:52:00,089 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 17:52:00,089 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:52:00,090 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.33 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 17:52:00,090 INFO L168 Benchmark]: Boogie Preprocessor took 28.10 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 17:52:00,090 INFO L168 Benchmark]: RCFGBuilder took 321.26 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:52:00,090 INFO L168 Benchmark]: TraceAbstraction took 1050.35 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: -36.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:52:00,091 INFO L168 Benchmark]: Witness Printer took 58.21 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: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2018-12-09 17:52:00,092 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 289.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.33 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 28.10 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 321.26 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1050.35 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: -36.4 MB). Peak memory consumption was 219.9 MB. Max. memory is 11.5 GB. * Witness Printer took 58.21 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: 24.1 MB). Peak memory consumption was 24.1 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: [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L458] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L725] int cleanupTimeShifts = 4; [L821] int waterLevel = 1; [L822] int methaneLevelCritical = 0; [L798] int retValue_acc ; [L799] 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] [L803] 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] [L804] 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] [L805] 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] [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] 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] [L805] 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] [L805] tmp = valid_product() [L807] 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] [L809] 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] [L810] 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] [L792] 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] [L659] int splverifierCounter ; [L660] int tmp ; [L661] int tmp___0 ; [L662] int tmp___1 ; [L663] int tmp___2 ; [L666] 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] [L668] 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] [L670] 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] [L676] tmp = __VERIFIER_nondet_int() [L678] 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] [L680] 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] [L839] COND TRUE waterLevel < 2 [L840] 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] [L680] 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] [L686] tmp___0 = __VERIFIER_nondet_int() [L688] 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] [L696] tmp___2 = __VERIFIER_nondet_int() [L698] COND FALSE !(\read(tmp___2)) [L704] tmp___1 = __VERIFIER_nondet_int() [L706] 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] [L713] 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] [L138] 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] [L145] 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] [L147] 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] [L167] 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] [L170] 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] [L185] FCALL processEnvironment__wrappee__methaneQuery() 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] [L147] RET 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] [L153] 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=1, waterLevel=2] [L91] int tmp ; [L92] int tmp___0 ; [L93] 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=1, waterLevel=2] [L97] 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] [L860] int retValue_acc ; [L863] retValue_acc = methaneLevelCritical [L864] 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] [L97] 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] [L97] tmp = isMethaneLevelCritical() [L99] 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] [L103] 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=1, waterLevel=2] [L892] int retValue_acc ; [L895] retValue_acc = waterLevel [L896] 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=1, waterLevel=2] [L103] 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=1, tmp=0, waterLevel=2] [L103] tmp___0 = getWaterLevel() [L105] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L107] 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=1, waterLevel=2] [L236] int retValue_acc ; [L239] retValue_acc = pumpRunning [L240] 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] [L107] 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=1, tmp=0, tmp___0=2, waterLevel=2] [L107] tmp___1 = isPumpRunning() [L109] 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=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L113] 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=1, waterLevel=2] [L44] __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=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 122 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 576 SDtfs, 245 SDslu, 753 SDs, 0 SdLazy, 176 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 369 NumberOfCodeBlocks, 369 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 294 ConstructedInterpolants, 0 QuantifiedInterpolants, 29730 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...