./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b6539c3f80a02f7679497281344dc3da1a82da6c ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:50:58,565 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:50:58,567 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:50:58,575 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:50:58,575 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:50:58,575 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:50:58,576 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:50:58,577 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:50:58,579 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:50:58,580 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:50:58,580 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:50:58,580 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:50:58,581 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:50:58,582 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:50:58,583 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:50:58,583 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:50:58,584 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:50:58,585 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:50:58,587 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:50:58,588 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:50:58,589 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:50:58,590 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:50:58,592 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:50:58,592 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:50:58,592 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:50:58,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:50:58,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:50:58,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:50:58,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:50:58,596 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:50:58,596 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:50:58,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:50:58,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:50:58,597 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:50:58,597 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:50:58,598 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:50:58,599 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:50:58,609 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:50:58,610 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:50:58,610 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:50:58,611 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:50:58,611 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:50:58,612 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:50:58,612 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:50:58,613 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:50:58,614 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:50:58,614 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:50:58,615 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:50:58,615 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:50:58,615 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:50:58,615 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:50:58,615 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:50:58,615 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:50:58,615 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:50:58,616 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:50:58,616 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:50:58,616 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:50:58,616 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_0f711406-6687-4a79-b96e-3938ca4a9d35/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(F end) ) 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 -> b6539c3f80a02f7679497281344dc3da1a82da6c [2018-11-18 12:50:58,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:50:58,646 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:50:58,648 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:50:58,649 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:50:58,649 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:50:58,650 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-18 12:50:58,685 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/data/5ac31ea6b/dcc0172f33e449ae80791a373be8076d/FLAGdaae51ddd [2018-11-18 12:50:59,011 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:50:59,012 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/sv-benchmarks/c/product-lines/minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-18 12:50:59,019 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/data/5ac31ea6b/dcc0172f33e449ae80791a373be8076d/FLAGdaae51ddd [2018-11-18 12:50:59,028 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/data/5ac31ea6b/dcc0172f33e449ae80791a373be8076d [2018-11-18 12:50:59,030 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:50:59,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:50:59,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:50:59,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:50:59,034 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:50:59,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26b59f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59, skipping insertion in model container [2018-11-18 12:50:59,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:50:59,072 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:50:59,249 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:50:59,258 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:50:59,353 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:50:59,369 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:50:59,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59 WrapperNode [2018-11-18 12:50:59,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:50:59,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:50:59,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:50:59,371 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:50:59,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:50:59,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:50:59,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:50:59,413 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:50:59,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... [2018-11-18 12:50:59,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:50:59,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:50:59,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:50:59,442 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:50:59,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:50:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:50:59,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:50:59,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:51:00,085 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:51:00,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:00 BoogieIcfgContainer [2018-11-18 12:51:00,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:51:00,087 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:51:00,087 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:51:00,090 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:51:00,090 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:51:00,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:50:59" (1/3) ... [2018-11-18 12:51:00,091 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e318fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:51:00, skipping insertion in model container [2018-11-18 12:51:00,092 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:51:00,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:50:59" (2/3) ... [2018-11-18 12:51:00,092 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e318fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:51:00, skipping insertion in model container [2018-11-18 12:51:00,092 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:51:00,092 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:00" (3/3) ... [2018-11-18 12:51:00,094 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product58_true-unreach-call_false-termination.cil.c [2018-11-18 12:51:00,138 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:51:00,139 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:51:00,139 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:51:00,139 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:51:00,139 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:51:00,139 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:51:00,140 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:51:00,140 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:51:00,140 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:51:00,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states. [2018-11-18 12:51:00,188 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2018-11-18 12:51:00,188 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:51:00,188 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:51:00,195 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:00,196 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:00,196 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:51:00,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states. [2018-11-18 12:51:00,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 125 [2018-11-18 12:51:00,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:51:00,204 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:51:00,204 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:00,205 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:00,209 INFO L794 eck$LassoCheckResult]: Stem: 64#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 87#L880true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 52#L873true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 91#L888true main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 98#L976true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 70#L952true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 93#L822true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 99#L530-3true [2018-11-18 12:51:00,210 INFO L796 eck$LassoCheckResult]: Loop: 99#L530-3true assume true; 97#L530-1true assume !false; 179#L531true assume test_~splverifierCounter~0 < 4; 31#L532true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 157#L540true assume !(0 != test_~tmp~3); 162#L540-2true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 77#L550true assume !(0 != test_~tmp___0~0); 67#L550-2true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 22#L560true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet48;havoc test_#t~nondet48; 128#L568true assume 0 != test_~tmp___1~0; 132#L568-2true assume { :begin_inline_timeShift } true; 5#L599true assume !(0 != ~pumpRunning~0); 6#L599-2true assume !(0 != ~systemActive~0); 154#L606-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 178#L91-2true __utac_acc__Specification2_spec__2_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; 92#L833true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 95#L833-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 74#L616true assume { :end_inline_timeShift } true; 99#L530-3true [2018-11-18 12:51:00,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:00,217 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 12:51:00,219 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:00,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:00,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:00,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:00,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:00,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1653071334, now seen corresponding path program 1 times [2018-11-18 12:51:00,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:00,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:00,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,398 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:00,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:00,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:00,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1302543555, now seen corresponding path program 1 times [2018-11-18 12:51:00,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:00,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:00,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:00,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:00,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:51:00,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:51:00,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:51:00,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:51:00,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:51:00,628 INFO L87 Difference]: Start difference. First operand 193 states. Second operand 6 states. [2018-11-18 12:51:00,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:51:00,751 INFO L93 Difference]: Finished difference Result 190 states and 248 transitions. [2018-11-18 12:51:00,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 12:51:00,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 248 transitions. [2018-11-18 12:51:00,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-18 12:51:00,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 180 states and 238 transitions. [2018-11-18 12:51:00,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 180 [2018-11-18 12:51:00,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 180 [2018-11-18 12:51:00,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 180 states and 238 transitions. [2018-11-18 12:51:00,764 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:51:00,764 INFO L705 BuchiCegarLoop]: Abstraction has 180 states and 238 transitions. [2018-11-18 12:51:00,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states and 238 transitions. [2018-11-18 12:51:00,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-11-18 12:51:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-11-18 12:51:00,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 238 transitions. [2018-11-18 12:51:00,795 INFO L728 BuchiCegarLoop]: Abstraction has 180 states and 238 transitions. [2018-11-18 12:51:00,795 INFO L608 BuchiCegarLoop]: Abstraction has 180 states and 238 transitions. [2018-11-18 12:51:00,795 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:51:00,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 180 states and 238 transitions. [2018-11-18 12:51:00,797 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2018-11-18 12:51:00,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:51:00,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:51:00,798 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:00,798 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:00,798 INFO L794 eck$LassoCheckResult]: Stem: 566#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 424#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 425#L880 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 541#L873 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 405#L888 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 406#L976 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 437#L952 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 413#L822 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 414#L530-3 [2018-11-18 12:51:00,799 INFO L796 eck$LassoCheckResult]: Loop: 414#L530-3 assume true; 433#L530-1 assume !false; 434#L531 assume test_~splverifierCounter~0 < 4; 503#L532 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 504#L540 assume !(0 != test_~tmp~3); 549#L540-2 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 552#L550 assume !(0 != test_~tmp___0~0); 512#L550-2 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 478#L560 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 415#L811 assume { :end_inline_startSystem } true; 416#L568-2 assume { :begin_inline_timeShift } true; 407#L599 assume !(0 != ~pumpRunning~0); 409#L599-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 418#L657 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 535#L631-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 494#L623-3 assume { :end_inline_processEnvironment__wrappee__base } true; 489#L631-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 439#L657-1 assume { :end_inline_processEnvironment } true; 544#L606-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 545#L91-2 __utac_acc__Specification2_spec__2_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; 410#L833 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 412#L833-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 417#L616 assume { :end_inline_timeShift } true; 414#L530-3 [2018-11-18 12:51:00,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:00,799 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 12:51:00,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:00,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:00,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:00,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:00,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:00,845 INFO L82 PathProgramCache]: Analyzing trace with hash -2046607541, now seen corresponding path program 1 times [2018-11-18 12:51:00,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:00,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:00,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,846 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:51:00,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:51:00,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:51:00,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:51:00,880 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:51:00,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:51:00,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:51:00,880 INFO L87 Difference]: Start difference. First operand 180 states and 238 transitions. cyclomatic complexity: 60 Second operand 3 states. [2018-11-18 12:51:00,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:51:00,983 INFO L93 Difference]: Finished difference Result 247 states and 315 transitions. [2018-11-18 12:51:00,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:51:00,984 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 247 states and 315 transitions. [2018-11-18 12:51:00,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 172 [2018-11-18 12:51:00,988 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 247 states to 247 states and 315 transitions. [2018-11-18 12:51:00,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 247 [2018-11-18 12:51:00,989 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 247 [2018-11-18 12:51:00,989 INFO L73 IsDeterministic]: Start isDeterministic. Operand 247 states and 315 transitions. [2018-11-18 12:51:00,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:51:00,994 INFO L705 BuchiCegarLoop]: Abstraction has 247 states and 315 transitions. [2018-11-18 12:51:00,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states and 315 transitions. [2018-11-18 12:51:01,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-11-18 12:51:01,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-18 12:51:01,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 315 transitions. [2018-11-18 12:51:01,004 INFO L728 BuchiCegarLoop]: Abstraction has 247 states and 315 transitions. [2018-11-18 12:51:01,004 INFO L608 BuchiCegarLoop]: Abstraction has 247 states and 315 transitions. [2018-11-18 12:51:01,004 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 12:51:01,004 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 247 states and 315 transitions. [2018-11-18 12:51:01,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 172 [2018-11-18 12:51:01,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:51:01,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:51:01,007 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:51:01,007 INFO L867 BuchiCegarLoop]: Counterexample loop 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] [2018-11-18 12:51:01,007 INFO L794 eck$LassoCheckResult]: Stem: 1010#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(21);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(13);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 110];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 102];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 44];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 80];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 117];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 109];#memory_int := #memory_int[#t~string60.base,4 + #t~string60.offset := 112];#memory_int := #memory_int[#t~string60.base,5 + #t~string60.offset := 58];#memory_int := #memory_int[#t~string60.base,6 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 110];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 102];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 41];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 32];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 10];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 854#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 855#L880 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 977#L873 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 838#L888 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 839#L976 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 868#L952 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 845#L822 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 846#L530-3 [2018-11-18 12:51:01,007 INFO L796 eck$LassoCheckResult]: Loop: 846#L530-3 assume true; 1060#L530-1 assume !false; 1058#L531 assume test_~splverifierCounter~0 < 4; 1059#L532 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 1079#L540 assume !(0 != test_~tmp~3); 994#L540-2 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 995#L550 assume !(0 != test_~tmp___0~0); 944#L550-2 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 908#L560 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet48;havoc test_#t~nondet48; 909#L568 assume 0 != test_~tmp___1~0; 848#L568-2 assume { :begin_inline_timeShift } true; 840#L599 assume !(0 != ~pumpRunning~0); 841#L599-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret50, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 850#L657 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 972#L631-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret69, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 866#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 867#L136-1 isHighWaterLevel_#t~ret69 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret69;havoc isHighWaterLevel_#t~ret69; 887#L777-3 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~1 := 0; 917#L777-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 875#L783-1 processEnvironment__wrappee__highWaterSensor_#t~ret49 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret49;havoc processEnvironment__wrappee__highWaterSensor_#t~ret49; 876#L635-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4);assume { :begin_inline_processEnvironment__wrappee__base } true; 921#L623-2 assume { :end_inline_processEnvironment__wrappee__base } true; 922#L631-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 872#L657-1 assume { :end_inline_processEnvironment } true; 1069#L606-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret71, __utac_acc__Specification2_spec__2_#t~ret72, __utac_acc__Specification2_spec__2_~tmp~9, __utac_acc__Specification2_spec__2_~tmp___0~3;havoc __utac_acc__Specification2_spec__2_~tmp~9;havoc __utac_acc__Specification2_spec__2_~tmp___0~3;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1068#L91-2 __utac_acc__Specification2_spec__2_#t~ret71 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~9 := __utac_acc__Specification2_spec__2_#t~ret71;havoc __utac_acc__Specification2_spec__2_#t~ret71; 1066#L833 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~9);~methAndRunningLastTime~0 := 0; 1063#L833-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1061#L616 assume { :end_inline_timeShift } true; 846#L530-3 [2018-11-18 12:51:01,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:01,008 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2018-11-18 12:51:01,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:01,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:01,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:01,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:01,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:01,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:01,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:01,044 INFO L82 PathProgramCache]: Analyzing trace with hash 1344727938, now seen corresponding path program 1 times [2018-11-18 12:51:01,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:01,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:01,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:01,046 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:51:01,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:01,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:01,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2043822791, now seen corresponding path program 1 times [2018-11-18 12:51:01,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:51:01,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:51:01,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:01,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:01,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:01,315 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2018-11-18 12:51:27,553 WARN L180 SmtUtils]: Spent 26.18 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 12:51:51,899 WARN L180 SmtUtils]: Spent 24.34 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 12:51:51,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:51:51 BoogieIcfgContainer [2018-11-18 12:51:51,964 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:51:51,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:51:51,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:51:51,964 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:51:51,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:00" (3/4) ... [2018-11-18 12:51:51,967 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:51:52,009 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0f711406-6687-4a79-b96e-3938ca4a9d35/bin-2019/uautomizer/witness.graphml [2018-11-18 12:51:52,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:51:52,009 INFO L168 Benchmark]: Toolchain (without parser) took 52978.90 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 293.1 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -269.5 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,010 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:51:52,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -198.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,010 INFO L168 Benchmark]: Boogie Preprocessor took 28.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,011 INFO L168 Benchmark]: RCFGBuilder took 644.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,011 INFO L168 Benchmark]: BuchiAutomizer took 51877.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.7 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,011 INFO L168 Benchmark]: Witness Printer took 44.89 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:52,015 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -198.9 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 644.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 77.3 MB). Peak memory consumption was 77.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 51877.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -161.7 MB). Peak memory consumption was 314.2 MB. Max. memory is 11.5 GB. * Witness Printer took 44.89 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: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 247 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 51.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 51.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 247 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 466 SDtfs, 902 SDslu, 114 SDs, 0 SdLazy, 38 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 530]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, retValue_acc=0, "Off"=0, "On"=0, "Env(Water:%i"=23, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42e27bf0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49d4256b=157, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@797289c9=0, "OK"=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@113b1a6f=0, ",Pump:"=0, "libacc.c"=26, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28d3ef1b=0, "__utac__get_this_argtype"=0, retValue_acc=1, "Off"=38, "On"=34, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@126eeefc=0, tmp___0=0, tmp=0, "libacc.c"=29, "\n"=0, "__utac__get_this_arg"=12, ") "=0, retValue_acc=0, "\n"=8, tmp___1=157, "libacc.c"=16, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=27, tmp=0, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=14, "__utac__get_this_argtype"=31, tmp=1, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "Off"=35, \result=0, "Pump(System:"=0, tmp___0=0, ",Pump:"=36, "Off"=0, "On"=0, \result=1, retValue_acc=0, head=0, pumpRunning=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21d8a614=0, ") "=39, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@205ab8c4=0, "__utac__get_this_arg"=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1433037d=0, "CRIT"=20, tmp=1, tmp___0=0, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8677b22=0, "__utac__get_this_arg"=15, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, methAndRunningLastTime=0, \result=0, ")"=18, head=0, "i > 0 && i <= this->argsCount"=0, tmp=0, "libacc.c"=11, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, ",Meth:"=22, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=28, "On"=37, "Pump(System:"=33, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 530]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L100] FCALL "Env(Water:%i" [L101] FCALL ",Meth:" [L105] FCALL "CRIT" [L109] FCALL "OK" [L113] FCALL ")" [L448] FCALL "i > 0 && i <= this->argsCount" [L448] FCALL "libacc.c" [L449] FCALL "__utac__get_this_arg" [L455] FCALL "i > 0 && i <= this->argsCount" [L455] FCALL "libacc.c" [L456] FCALL "__utac__get_this_arg" [L494] FCALL "i > 0 && i <= this->argsCount" [L494] FCALL "libacc.c" [L495] FCALL "__utac__get_this_argtype" [L501] FCALL "i > 0 && i <= this->argsCount" [L501] FCALL "libacc.c" [L502] FCALL "__utac__get_this_argtype" [L737] FCALL "Pump(System:" [L741] FCALL "On" [L745] FCALL "Off" [L749] FCALL ",Pump:" [L753] FCALL "On" [L757] FCALL "Off" [L761] FCALL ") " [L763] FCALL "\n" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L591] int pumpRunning = 0; [L592] int systemActive = 1; [L816] int methAndRunningLastTime ; [L893] int cleanupTimeShifts = 4; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L967] int retValue_acc ; [L968] int tmp ; [L972] FCALL select_helpers() [L973] FCALL select_features() [L974] CALL, EXPR valid_product() [L884] int retValue_acc ; [L887] retValue_acc = 1 [L888] RET return (retValue_acc); [L974] EXPR valid_product() [L974] tmp = valid_product() [L976] COND TRUE \read(tmp) [L978] FCALL setup() [L979] CALL runTest() [L960] CALL __utac_acc__Specification2_spec__1() [L821] RET methAndRunningLastTime = 0 [L960] __utac_acc__Specification2_spec__1() [L961] CALL test() [L521] int splverifierCounter ; [L522] int tmp ; [L523] int tmp___0 ; [L524] int tmp___1 ; [L525] int tmp___2 ; [L528] splverifierCounter = 0 Loop: [L530] COND TRUE 1 [L532] COND TRUE splverifierCounter < 4 [L538] tmp = __VERIFIER_nondet_int() [L540] COND FALSE !(\read(tmp)) [L548] tmp___0 = __VERIFIER_nondet_int() [L550] COND FALSE !(\read(tmp___0)) [L558] tmp___2 = __VERIFIER_nondet_int() [L560] COND FALSE !(\read(tmp___2)) [L566] tmp___1 = __VERIFIER_nondet_int() [L568] COND TRUE \read(tmp___1) [L575] CALL timeShift() [L599] COND FALSE !(\read(pumpRunning)) [L606] COND TRUE \read(systemActive) [L608] CALL processEnvironment() [L654] int tmp ; [L657] COND FALSE !(\read(pumpRunning)) [L672] CALL processEnvironment__wrappee__highWaterSensor() [L628] int tmp ; [L631] COND TRUE ! pumpRunning [L633] CALL, EXPR isHighWaterLevel() [L769] int retValue_acc ; [L770] int tmp ; [L771] int tmp___0 ; [L775] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L775] EXPR isHighWaterSensorDry() [L775] tmp = isHighWaterSensorDry() [L777] COND TRUE \read(tmp) [L778] tmp___0 = 0 [L782] retValue_acc = tmp___0 [L783] RET return (retValue_acc); [L633] EXPR isHighWaterLevel() [L633] tmp = isHighWaterLevel() [L635] COND FALSE !(\read(tmp)) [L641] RET, FCALL processEnvironment__wrappee__base() [L672] RET processEnvironment__wrappee__highWaterSensor() [L608] processEnvironment() [L614] CALL __utac_acc__Specification2_spec__2() [L826] int tmp ; [L827] int tmp___0 ; [L831] CALL, EXPR isMethaneLevelCritical() [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] RET return (retValue_acc); [L831] EXPR isMethaneLevelCritical() [L831] tmp = isMethaneLevelCritical() [L833] COND FALSE !(\read(tmp)) [L849] RET methAndRunningLastTime = 0 [L614] RET __utac_acc__Specification2_spec__2() [L575] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...