./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04_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_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 77951208f64a8e7a2de110a05be31eef72f84584 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 [2018-12-08 20:24:50,379 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:24:50,380 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:24:50,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:24:50,386 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:24:50,386 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:24:50,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:24:50,388 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:24:50,388 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:24:50,389 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:24:50,389 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:24:50,389 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:24:50,390 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:24:50,390 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:24:50,391 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:24:50,391 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:24:50,392 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:24:50,392 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:24:50,393 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:24:50,394 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:24:50,394 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:24:50,395 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:24:50,396 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:24:50,396 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:24:50,396 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:24:50,397 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:24:50,397 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:24:50,397 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:24:50,398 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:24:50,398 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:24:50,398 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:24:50,399 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:24:50,399 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:24:50,399 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:24:50,399 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:24:50,400 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:24:50,400 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 20:24:50,407 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:24:50,407 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:24:50,407 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:24:50,407 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 20:24:50,408 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 20:24:50,408 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:24:50,408 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:24:50,409 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 20:24:50,409 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 20:24:50,410 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:24:50,410 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:24:50,410 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:24:50,410 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 20:24:50,410 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:24:50,410 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:24:50,410 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer 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 -> Automizer 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 -> 77951208f64a8e7a2de110a05be31eef72f84584 [2018-12-08 20:24:50,427 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:24:50,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:24:50,436 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:24:50,437 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:24:50,437 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:24:50,437 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-12-08 20:24:50,472 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/data/366feff4b/4e99c6c38e1b41cd8b60f6b0def37baa/FLAG2f91011d4 [2018-12-08 20:24:50,920 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:24:50,920 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/sv-benchmarks/c/product-lines/minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-12-08 20:24:50,926 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/data/366feff4b/4e99c6c38e1b41cd8b60f6b0def37baa/FLAG2f91011d4 [2018-12-08 20:24:50,934 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/data/366feff4b/4e99c6c38e1b41cd8b60f6b0def37baa [2018-12-08 20:24:50,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:24:50,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:24:50,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:24:50,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:24:50,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:24:50,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:24:50" (1/1) ... [2018-12-08 20:24:50,943 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 08.12 08:24:50, skipping insertion in model container [2018-12-08 20:24:50,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:24:50" (1/1) ... [2018-12-08 20:24:50,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:24:50,976 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:24:51,131 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:24:51,172 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:24:51,209 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:24:51,222 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:24:51,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51 WrapperNode [2018-12-08 20:24:51,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:24:51,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:24:51,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:24:51,223 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:24:51,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,241 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:24:51,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:24:51,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:24:51,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:24:51,247 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... [2018-12-08 20:24:51,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:24:51,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:24:51,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:24:51,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:24:51,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/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 [2018-12-08 20:24:51,291 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 20:24:51,291 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 20:24:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 20:24:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 20:24:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 20:24:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 20:24:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 20:24:51,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 20:24:51,292 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 20:24:51,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 20:24:51,293 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 20:24:51,294 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 20:24:51,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 20:24:51,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:24:51,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:24:51,570 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:24:51,570 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 20:24:51,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:24:51 BoogieIcfgContainer [2018-12-08 20:24:51,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:24:51,571 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 20:24:51,571 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 20:24:51,573 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 20:24:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 08:24:50" (1/3) ... [2018-12-08 20:24:51,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6d32a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:24:51, skipping insertion in model container [2018-12-08 20:24:51,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:24:51" (2/3) ... [2018-12-08 20:24:51,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c6d32a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 08:24:51, skipping insertion in model container [2018-12-08 20:24:51,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:24:51" (3/3) ... [2018-12-08 20:24:51,575 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product04_false-unreach-call_false-termination.cil.c [2018-12-08 20:24:51,581 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 20:24:51,586 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 20:24:51,594 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 20:24:51,612 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 20:24:51,612 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 20:24:51,612 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 20:24:51,612 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 20:24:51,612 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 20:24:51,612 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 20:24:51,612 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 20:24:51,612 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 20:24:51,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 20:24:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2018-12-08 20:24:51,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 20:24:51,629 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:51,629 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] [2018-12-08 20:24:51,631 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:51,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:51,634 INFO L82 PathProgramCache]: Analyzing trace with hash 639794091, now seen corresponding path program 1 times [2018-12-08 20:24:51,635 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:24:51,636 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:24:51,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:51,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:51,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:51,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:51,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:24:51,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 20:24:51,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 20:24:51,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 20:24:51,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 20:24:51,791 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2018-12-08 20:24:51,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:51,810 INFO L93 Difference]: Finished difference Result 200 states and 247 transitions. [2018-12-08 20:24:51,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 20:24:51,811 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 20:24:51,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:51,818 INFO L225 Difference]: With dead ends: 200 [2018-12-08 20:24:51,818 INFO L226 Difference]: Without dead ends: 100 [2018-12-08 20:24:51,820 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 [2018-12-08 20:24:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-12-08 20:24:51,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-12-08 20:24:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-08 20:24:51,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-12-08 20:24:51,848 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 52 [2018-12-08 20:24:51,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:51,848 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-12-08 20:24:51,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 20:24:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-12-08 20:24:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 20:24:51,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:51,850 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] [2018-12-08 20:24:51,850 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:51,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:51,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1463313227, now seen corresponding path program 1 times [2018-12-08 20:24:51,850 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:24:51,850 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:24:51,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:51,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:51,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:51,910 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:24:51,910 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:24:51,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:24:51,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:24:51,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:24:51,911 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 3 states. [2018-12-08 20:24:51,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:51,921 INFO L93 Difference]: Finished difference Result 136 states and 155 transitions. [2018-12-08 20:24:51,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:24:51,921 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 20:24:51,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:51,922 INFO L225 Difference]: With dead ends: 136 [2018-12-08 20:24:51,922 INFO L226 Difference]: Without dead ends: 91 [2018-12-08 20:24:51,923 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 [2018-12-08 20:24:51,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-12-08 20:24:51,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-12-08 20:24:51,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-12-08 20:24:51,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 103 transitions. [2018-12-08 20:24:51,930 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 103 transitions. Word has length 53 [2018-12-08 20:24:51,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:51,930 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 103 transitions. [2018-12-08 20:24:51,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:24:51,930 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 103 transitions. [2018-12-08 20:24:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-08 20:24:51,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:51,931 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] [2018-12-08 20:24:51,931 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:51,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:51,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1141127670, now seen corresponding path program 1 times [2018-12-08 20:24:51,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:24:51,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:24:51,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:51,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:51,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:51,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:51,994 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:24:51,994 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 20:24:51,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 20:24:51,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 20:24:51,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 20:24:51,995 INFO L87 Difference]: Start difference. First operand 91 states and 103 transitions. Second operand 7 states. [2018-12-08 20:24:52,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:52,175 INFO L93 Difference]: Finished difference Result 281 states and 336 transitions. [2018-12-08 20:24:52,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:24:52,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-08 20:24:52,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:52,177 INFO L225 Difference]: With dead ends: 281 [2018-12-08 20:24:52,177 INFO L226 Difference]: Without dead ends: 214 [2018-12-08 20:24:52,177 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 [2018-12-08 20:24:52,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-12-08 20:24:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 190. [2018-12-08 20:24:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-12-08 20:24:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 225 transitions. [2018-12-08 20:24:52,194 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 225 transitions. Word has length 58 [2018-12-08 20:24:52,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:52,194 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 225 transitions. [2018-12-08 20:24:52,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 20:24:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 225 transitions. [2018-12-08 20:24:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 20:24:52,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:52,196 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 20:24:52,196 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:52,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:52,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2138482810, now seen corresponding path program 1 times [2018-12-08 20:24:52,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:24:52,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:24:52,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:52,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:52,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:24:52,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 20:24:52,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 20:24:52,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 20:24:52,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 20:24:52,278 INFO L87 Difference]: Start difference. First operand 190 states and 225 transitions. Second operand 6 states. [2018-12-08 20:24:52,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:52,388 INFO L93 Difference]: Finished difference Result 495 states and 621 transitions. [2018-12-08 20:24:52,388 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 20:24:52,389 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-08 20:24:52,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:52,391 INFO L225 Difference]: With dead ends: 495 [2018-12-08 20:24:52,391 INFO L226 Difference]: Without dead ends: 329 [2018-12-08 20:24:52,392 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 [2018-12-08 20:24:52,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-12-08 20:24:52,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 323. [2018-12-08 20:24:52,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-12-08 20:24:52,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 392 transitions. [2018-12-08 20:24:52,421 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 392 transitions. Word has length 61 [2018-12-08 20:24:52,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:52,422 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 392 transitions. [2018-12-08 20:24:52,422 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 20:24:52,422 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 392 transitions. [2018-12-08 20:24:52,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:24:52,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:52,425 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] [2018-12-08 20:24:52,425 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:52,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:52,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1805713504, now seen corresponding path program 1 times [2018-12-08 20:24:52,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:24:52,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:24:52,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:52,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:24:52,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:24:52,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 20:24:52,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 20:24:52,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 20:24:52,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 20:24:52,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:24:52,483 INFO L87 Difference]: Start difference. First operand 323 states and 392 transitions. Second operand 3 states. [2018-12-08 20:24:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 20:24:52,504 INFO L93 Difference]: Finished difference Result 596 states and 734 transitions. [2018-12-08 20:24:52,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 20:24:52,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-12-08 20:24:52,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 20:24:52,507 INFO L225 Difference]: With dead ends: 596 [2018-12-08 20:24:52,507 INFO L226 Difference]: Without dead ends: 297 [2018-12-08 20:24:52,509 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 20:24:52,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-12-08 20:24:52,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-12-08 20:24:52,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-12-08 20:24:52,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 348 transitions. [2018-12-08 20:24:52,531 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 348 transitions. Word has length 65 [2018-12-08 20:24:52,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 20:24:52,531 INFO L480 AbstractCegarLoop]: Abstraction has 297 states and 348 transitions. [2018-12-08 20:24:52,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 20:24:52,531 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 348 transitions. [2018-12-08 20:24:52,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-08 20:24:52,533 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 20:24:52,534 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] [2018-12-08 20:24:52,534 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 20:24:52,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:24:52,534 INFO L82 PathProgramCache]: Analyzing trace with hash -1497107316, now seen corresponding path program 1 times [2018-12-08 20:24:52,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 20:24:52,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 20:24:52,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 20:24:52,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 20:24:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:24:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 20:24:52,604 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 20:24:52,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 08:24:52 BoogieIcfgContainer [2018-12-08 20:24:52,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 20:24:52,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:24:52,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:24:52,690 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:24:52,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:24:51" (3/4) ... [2018-12-08 20:24:52,692 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-08 20:24:52,754 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b2590d8-5fca-47b3-8bb9-f81c6d0620e6/bin-2019/uautomizer/witness.graphml [2018-12-08 20:24:52,755 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:24:52,755 INFO L168 Benchmark]: Toolchain (without parser) took 1818.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -106.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:24:52,756 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:24:52,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:52,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:24:52,757 INFO L168 Benchmark]: Boogie Preprocessor took 18.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:52,757 INFO L168 Benchmark]: RCFGBuilder took 309.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:52,757 INFO L168 Benchmark]: TraceAbstraction took 1118.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -35.4 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:52,757 INFO L168 Benchmark]: Witness Printer took 65.16 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:24:52,758 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.67 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 309.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1118.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -35.4 MB). Peak memory consumption was 215.7 MB. Max. memory is 11.5 GB. * Witness Printer took 65.16 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: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 633]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L677] int pumpRunning = 0; [L678] int systemActive = 1; [L606] int retValue_acc ; [L607] 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] [L611] 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] [L612] 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] [L613] 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] [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] 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] [L613] 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] [L613] tmp = valid_product() [L615] 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] [L617] 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] [L618] 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] [L600] 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] [L808] int splverifierCounter ; [L809] int tmp ; [L810] int tmp___0 ; [L811] int tmp___1 ; [L812] int tmp___2 ; [L815] 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] [L817] 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] [L819] 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] [L825] tmp = __VERIFIER_nondet_int() [L827] 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] [L829] 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] [L64] COND TRUE waterLevel < 2 [L65] 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] [L829] 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] [L835] tmp___0 = __VERIFIER_nondet_int() [L837] 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] [L845] tmp___2 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___2)) [L853] tmp___1 = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L864] 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] [L684] 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] [L691] 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] [L693] FCALL 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] [L699] 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] [L640] int tmp ; [L641] int tmp___0 ; [L642] 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] [L646] 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] [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] 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] [L646] 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] [L646] tmp = isMethaneLevelCritical() [L648] 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] [L652] 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] [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] 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] [L652] 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] [L652] tmp___0 = getWaterLevel() [L654] 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] [L656] 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] [L739] int retValue_acc ; [L742] retValue_acc = pumpRunning [L743] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L656] RET, EXPR 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] [L656] tmp___1 = isPumpRunning() [L658] 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] [L662] 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] [L633] __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 23 procedures, 113 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 552 SDtfs, 283 SDslu, 908 SDs, 0 SdLazy, 216 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=323occurred 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, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 354 NumberOfCodeBlocks, 354 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 27840 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...