./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product17_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_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-03 07:48:06,537 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:48:06,538 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:48:06,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:48:06,547 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:48:06,547 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:48:06,548 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:48:06,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:48:06,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:48:06,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:48:06,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:48:06,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:48:06,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:48:06,554 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:48:06,555 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:48:06,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:48:06,556 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:48:06,557 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:48:06,558 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:48:06,560 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:48:06,560 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:48:06,561 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:48:06,563 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:48:06,563 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:48:06,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:48:06,564 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:48:06,565 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:48:06,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:48:06,566 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:48:06,567 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:48:06,567 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:48:06,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:48:06,568 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:48:06,568 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:48:06,569 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:48:06,570 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:48:06,570 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:48:06,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:48:06,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:48:06,581 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:48:06,581 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:48:06,581 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:48:06,581 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:48:06,582 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:48:06,583 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:48:06,583 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:48:06,583 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:48:06,583 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:48:06,583 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:48:06,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:48:06,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:48:06,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:48:06,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:48:06,585 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:48:06,585 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:48:06,585 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:48:06,585 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:48:06,585 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:48:06,585 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:48:06,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:48:06,585 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_7dbcd731-7393-4161-8654-4d147709dbba/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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2018-12-03 07:48:06,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:48:06,619 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:48:06,622 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:48:06,623 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:48:06,624 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:48:06,624 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2018-12-03 07:48:06,671 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/1aae1e400/7b98a269916144338ce58bc565a8bfe3/FLAG8550878d5 [2018-12-03 07:48:07,044 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:48:07,044 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/sv-benchmarks/c/product-lines/minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2018-12-03 07:48:07,050 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/1aae1e400/7b98a269916144338ce58bc565a8bfe3/FLAG8550878d5 [2018-12-03 07:48:07,058 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/data/1aae1e400/7b98a269916144338ce58bc565a8bfe3 [2018-12-03 07:48:07,060 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:48:07,060 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:48:07,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:48:07,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:48:07,063 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:48:07,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07, skipping insertion in model container [2018-12-03 07:48:07,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:48:07,089 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:48:07,231 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:48:07,238 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:48:07,286 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:48:07,329 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:48:07,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07 WrapperNode [2018-12-03 07:48:07,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:48:07,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:48:07,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:48:07,330 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:48:07,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:48:07,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:48:07,358 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:48:07,358 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:48:07,363 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,366 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... [2018-12-03 07:48:07,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:48:07,378 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:48:07,378 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:48:07,378 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:48:07,379 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/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 [2018-12-03 07:48:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 07:48:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 07:48:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:48:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:48:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-03 07:48:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-03 07:48:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 07:48:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 07:48:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 07:48:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 07:48:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 07:48:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 07:48:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 07:48:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 07:48:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 07:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-03 07:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-03 07:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-03 07:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-03 07:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 07:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 07:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 07:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 07:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 07:48:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 07:48:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 07:48:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 07:48:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 07:48:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 07:48:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 07:48:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 07:48:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 07:48:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 07:48:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 07:48:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 07:48:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 07:48:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 07:48:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 07:48:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 07:48:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 07:48:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:48:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:48:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 07:48:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 07:48:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-03 07:48:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-03 07:48:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 07:48:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 07:48:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:48:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:48:07,696 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:48:07,696 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 07:48:07,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:48:07 BoogieIcfgContainer [2018-12-03 07:48:07,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:48:07,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:48:07,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:48:07,699 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:48:07,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:48:07" (1/3) ... [2018-12-03 07:48:07,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248d8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:48:07, skipping insertion in model container [2018-12-03 07:48:07,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:48:07" (2/3) ... [2018-12-03 07:48:07,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1248d8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:48:07, skipping insertion in model container [2018-12-03 07:48:07,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:48:07" (3/3) ... [2018-12-03 07:48:07,702 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product17_false-unreach-call_false-termination.cil.c [2018-12-03 07:48:07,708 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:48:07,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:48:07,726 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:48:07,745 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:48:07,745 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:48:07,745 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:48:07,745 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:48:07,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:48:07,745 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:48:07,745 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:48:07,745 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:48:07,757 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-03 07:48:07,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 07:48:07,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:48:07,763 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] [2018-12-03 07:48:07,764 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:48:07,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:48:07,768 INFO L82 PathProgramCache]: Analyzing trace with hash -991151300, now seen corresponding path program 1 times [2018-12-03 07:48:07,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:48:07,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:07,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:48:07,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:07,798 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:48:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:48:07,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:48:07,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:48:07,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 07:48:07,907 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:48:07,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 07:48:07,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 07:48:07,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 07:48:07,919 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-12-03 07:48:07,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:48:07,940 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2018-12-03 07:48:07,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 07:48:07,941 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-03 07:48:07,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:48:07,948 INFO L225 Difference]: With dead ends: 220 [2018-12-03 07:48:07,948 INFO L226 Difference]: Without dead ends: 110 [2018-12-03 07:48:07,950 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 [2018-12-03 07:48:07,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-03 07:48:07,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-03 07:48:07,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-03 07:48:07,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2018-12-03 07:48:07,981 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 52 [2018-12-03 07:48:07,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:48:07,981 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2018-12-03 07:48:07,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 07:48:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2018-12-03 07:48:07,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-03 07:48:07,983 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:48:07,983 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] [2018-12-03 07:48:07,983 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:48:07,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:48:07,983 INFO L82 PathProgramCache]: Analyzing trace with hash 1356499299, now seen corresponding path program 1 times [2018-12-03 07:48:07,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:48:07,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:07,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:48:07,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:07,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:48:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:48:08,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:48:08,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:48:08,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:48:08,034 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:48:08,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:48:08,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:48:08,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:48:08,036 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 3 states. [2018-12-03 07:48:08,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:48:08,050 INFO L93 Difference]: Finished difference Result 169 states and 195 transitions. [2018-12-03 07:48:08,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:48:08,051 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-03 07:48:08,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:48:08,052 INFO L225 Difference]: With dead ends: 169 [2018-12-03 07:48:08,052 INFO L226 Difference]: Without dead ends: 101 [2018-12-03 07:48:08,052 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 [2018-12-03 07:48:08,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-03 07:48:08,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-03 07:48:08,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-03 07:48:08,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-12-03 07:48:08,058 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 53 [2018-12-03 07:48:08,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:48:08,059 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-12-03 07:48:08,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:48:08,059 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-12-03 07:48:08,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-03 07:48:08,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:48:08,060 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] [2018-12-03 07:48:08,060 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:48:08,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:48:08,060 INFO L82 PathProgramCache]: Analyzing trace with hash 596852059, now seen corresponding path program 1 times [2018-12-03 07:48:08,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:48:08,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:08,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:48:08,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:08,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:48:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:48:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:48:08,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:48:08,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:48:08,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:48:08,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:48:08,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:48:08,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:48:08,132 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 7 states. [2018-12-03 07:48:08,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:48:08,323 INFO L93 Difference]: Finished difference Result 178 states and 209 transitions. [2018-12-03 07:48:08,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:48:08,323 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-03 07:48:08,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:48:08,324 INFO L225 Difference]: With dead ends: 178 [2018-12-03 07:48:08,324 INFO L226 Difference]: Without dead ends: 101 [2018-12-03 07:48:08,325 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:48:08,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-03 07:48:08,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-03 07:48:08,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-03 07:48:08,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 115 transitions. [2018-12-03 07:48:08,331 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 115 transitions. Word has length 57 [2018-12-03 07:48:08,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:48:08,331 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 115 transitions. [2018-12-03 07:48:08,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:48:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 115 transitions. [2018-12-03 07:48:08,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-03 07:48:08,333 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:48:08,333 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] [2018-12-03 07:48:08,333 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:48:08,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:48:08,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2049483316, now seen corresponding path program 1 times [2018-12-03 07:48:08,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:48:08,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:08,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:48:08,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:08,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:48:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:48:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:48:08,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:48:08,412 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 07:48:08,412 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:48:08,413 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:48:08,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:48:08,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:48:08,413 INFO L87 Difference]: Start difference. First operand 101 states and 115 transitions. Second operand 6 states. [2018-12-03 07:48:08,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:48:08,528 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2018-12-03 07:48:08,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:48:08,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-12-03 07:48:08,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:48:08,531 INFO L225 Difference]: With dead ends: 244 [2018-12-03 07:48:08,531 INFO L226 Difference]: Without dead ends: 167 [2018-12-03 07:48:08,532 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 [2018-12-03 07:48:08,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-12-03 07:48:08,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2018-12-03 07:48:08,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-12-03 07:48:08,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 193 transitions. [2018-12-03 07:48:08,549 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 193 transitions. Word has length 65 [2018-12-03 07:48:08,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:48:08,549 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 193 transitions. [2018-12-03 07:48:08,549 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:48:08,550 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 193 transitions. [2018-12-03 07:48:08,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-03 07:48:08,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:48:08,552 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] [2018-12-03 07:48:08,552 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:48:08,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:48:08,552 INFO L82 PathProgramCache]: Analyzing trace with hash 528506258, now seen corresponding path program 1 times [2018-12-03 07:48:08,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:48:08,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:08,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:48:08,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:48:08,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:48:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:48:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 07:48:08,667 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 07:48:08,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:48:08 BoogieIcfgContainer [2018-12-03 07:48:08,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:48:08,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:48:08,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:48:08,746 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:48:08,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:48:07" (3/4) ... [2018-12-03 07:48:08,748 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-03 07:48:08,809 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7dbcd731-7393-4161-8654-4d147709dbba/bin-2019/utaipan/witness.graphml [2018-12-03 07:48:08,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:48:08,810 INFO L168 Benchmark]: Toolchain (without parser) took 1750.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.4 MB in the beginning and 957.9 MB in the end (delta: -5.5 MB). Peak memory consumption was 231.0 MB. Max. memory is 11.5 GB. [2018-12-03 07:48:08,811 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:48:08,811 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -278.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-12-03 07:48:08,811 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2018-12-03 07:48:08,812 INFO L168 Benchmark]: Boogie Preprocessor took 20.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:48:08,812 INFO L168 Benchmark]: RCFGBuilder took 318.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-12-03 07:48:08,812 INFO L168 Benchmark]: TraceAbstraction took 1048.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 988.2 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB. [2018-12-03 07:48:08,812 INFO L168 Benchmark]: Witness Printer took 63.54 ms. Allocated memory is still 1.3 GB. Free memory was 988.2 MB in the beginning and 957.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-03 07:48:08,813 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.11 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -278.2 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.22 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.34 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 318.50 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1048.41 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 988.2 MB in the end (delta: 186.9 MB). Peak memory consumption was 186.9 MB. Max. memory is 11.5 GB. * Witness Printer took 63.54 ms. Allocated memory is still 1.3 GB. Free memory was 988.2 MB in the beginning and 957.9 MB in the end (delta: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 506]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L735] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=195, \old(head)=182, \old(head)=200, \old(methaneLevelCritical)=156, \old(pumpRunning)=141, \old(systemActive)=140, \old(waterLevel)=145, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L811] int retValue_acc ; [L812] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L816] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L817] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L818] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L818] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L818] tmp = valid_product() [L820] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L822] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L823] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L802] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L523] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L525] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L531] tmp = __VERIFIER_nondet_int() [L533] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L535] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L431] COND TRUE waterLevel < 2 [L432] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L535] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L566] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L590] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L619] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L622] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L637] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L605] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L876] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L882] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L882] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L882] tmp___0 = getWaterLevel() [L884] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L886] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L671] int retValue_acc ; [L674] retValue_acc = pumpRunning [L675] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L886] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L886] tmp___1 = isPumpRunning() [L888] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L892] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L506] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \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, 123 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 490 SDtfs, 241 SDslu, 761 SDs, 0 SdLazy, 170 SolverSat, 46 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 20977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...