./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product45_false-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_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product45_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/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 a9369a06c8d4df60e49baaf177cf32aba3e52d93 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:48:54,698 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:48:54,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:48:54,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:48:54,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:48:54,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:48:54,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:48:54,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:48:54,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:48:54,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:48:54,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:48:54,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:48:54,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:48:54,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:48:54,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:48:54,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:48:54,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:48:54,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:48:54,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:48:54,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:48:54,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:48:54,718 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:48:54,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:48:54,720 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:48:54,720 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:48:54,721 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:48:54,721 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:48:54,722 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:48:54,722 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:48:54,723 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:48:54,723 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:48:54,723 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:48:54,723 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:48:54,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:48:54,724 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:48:54,724 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:48:54,724 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 08:48:54,735 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:48:54,735 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:48:54,736 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 08:48:54,736 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 08:48:54,736 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 08:48:54,736 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 08:48:54,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:48:54,737 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 08:48:54,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:48:54,739 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:48:54,739 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 08:48:54,739 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:48:54,739 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 08:48:54,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:48:54,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:48:54,739 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 08:48:54,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:48:54,740 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 08:48:54,740 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 08:48:54,740 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 08:48:54,741 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_ffd33225-4345-4721-baeb-3ed4d7c69cc2/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 -> a9369a06c8d4df60e49baaf177cf32aba3e52d93 [2018-11-18 08:48:54,763 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:48:54,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:48:54,775 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:48:54,776 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:48:54,776 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:48:54,776 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product45_false-unreach-call_false-termination.cil.c [2018-11-18 08:48:54,815 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/data/58917eb91/e54a6bea4f8a427c94b30e423cd512fd/FLAG35c2dad67 [2018-11-18 08:48:55,249 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:48:55,250 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/sv-benchmarks/c/product-lines/minepump_spec4_product45_false-unreach-call_false-termination.cil.c [2018-11-18 08:48:55,257 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/data/58917eb91/e54a6bea4f8a427c94b30e423cd512fd/FLAG35c2dad67 [2018-11-18 08:48:55,269 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/data/58917eb91/e54a6bea4f8a427c94b30e423cd512fd [2018-11-18 08:48:55,272 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:48:55,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:48:55,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:48:55,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:48:55,277 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:48:55,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55, skipping insertion in model container [2018-11-18 08:48:55,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:48:55,321 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:48:55,509 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:48:55,519 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:48:55,622 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:48:55,642 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:48:55,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55 WrapperNode [2018-11-18 08:48:55,642 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:48:55,643 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:48:55,643 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:48:55,643 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:48:55,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:48:55,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:48:55,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:48:55,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:48:55,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... [2018-11-18 08:48:55,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:48:55,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:48:55,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:48:55,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:48:55,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/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 08:48:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:48:55,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:48:55,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:48:56,437 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:48:56,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:56 BoogieIcfgContainer [2018-11-18 08:48:56,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:48:56,439 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 08:48:56,439 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 08:48:56,442 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 08:48:56,442 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:48:56,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:48:55" (1/3) ... [2018-11-18 08:48:56,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@322e0dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:56, skipping insertion in model container [2018-11-18 08:48:56,443 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:48:56,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:55" (2/3) ... [2018-11-18 08:48:56,444 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@322e0dd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:56, skipping insertion in model container [2018-11-18 08:48:56,444 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 08:48:56,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:56" (3/3) ... [2018-11-18 08:48:56,446 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product45_false-unreach-call_false-termination.cil.c [2018-11-18 08:48:56,485 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 08:48:56,486 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 08:48:56,486 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 08:48:56,486 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 08:48:56,486 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:48:56,486 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:48:56,486 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 08:48:56,486 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:48:56,486 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 08:48:56,500 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states. [2018-11-18 08:48:56,524 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 08:48:56,525 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:48:56,525 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:48:56,531 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:48:56,531 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:48:56,531 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 08:48:56,531 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 182 states. [2018-11-18 08:48:56,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 118 [2018-11-18 08:48:56,538 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:48:56,538 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:48:56,538 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:48:56,539 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:48:56,542 INFO L794 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~6, main_~tmp~9;havoc main_~retValue_acc~6;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 137#L930true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 49#L923true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 168#L938true main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret62;havoc main_#t~ret62; 7#L800true assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 75#L774true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 164#L54-3true [2018-11-18 08:48:56,542 INFO L796 eck$LassoCheckResult]: Loop: 164#L54-3true assume true; 14#L54-1true assume !false; 124#L55true assume test_~splverifierCounter~0 < 4; 50#L56true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 70#L64true assume !(0 != test_~tmp~0); 45#L64-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 144#L74true assume !(0 != test_~tmp___0~0); 109#L74-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 11#L84true assume 0 != test_~tmp___2~0; 180#L90-2true assume { :begin_inline_timeShift } true; 29#L125true assume !(0 != ~pumpRunning~0); 28#L125-2true assume !(0 != ~systemActive~0); 130#L132-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret60, __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 97#L889true __utac_acc__Specification4_spec__1_#t~ret60 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret60;havoc __utac_acc__Specification4_spec__1_#t~ret60; 54#L697true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 56#L697-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 25#L142true assume { :end_inline_timeShift } true; 164#L54-3true [2018-11-18 08:48:56,547 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:56,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 08:48:56,548 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:56,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:56,583 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:56,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:48:56,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:56,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:56,707 INFO L82 PathProgramCache]: Analyzing trace with hash 52870771, now seen corresponding path program 1 times [2018-11-18 08:48:56,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:56,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:56,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:56,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:48:56,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:56,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:56,717 INFO L82 PathProgramCache]: Analyzing trace with hash -878810833, now seen corresponding path program 1 times [2018-11-18 08:48:56,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:56,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:56,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:56,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:48:56,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:48:56,837 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 08:48:56,839 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:48:56,839 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 08:48:56,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:48:56,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:48:56,923 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 6 states. [2018-11-18 08:48:57,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:48:57,060 INFO L93 Difference]: Finished difference Result 179 states and 231 transitions. [2018-11-18 08:48:57,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 08:48:57,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 179 states and 231 transitions. [2018-11-18 08:48:57,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-11-18 08:48:57,070 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 179 states to 169 states and 221 transitions. [2018-11-18 08:48:57,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2018-11-18 08:48:57,072 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2018-11-18 08:48:57,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 221 transitions. [2018-11-18 08:48:57,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:48:57,073 INFO L705 BuchiCegarLoop]: Abstraction has 169 states and 221 transitions. [2018-11-18 08:48:57,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 221 transitions. [2018-11-18 08:48:57,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-11-18 08:48:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-18 08:48:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 221 transitions. [2018-11-18 08:48:57,100 INFO L728 BuchiCegarLoop]: Abstraction has 169 states and 221 transitions. [2018-11-18 08:48:57,100 INFO L608 BuchiCegarLoop]: Abstraction has 169 states and 221 transitions. [2018-11-18 08:48:57,100 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 08:48:57,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 169 states and 221 transitions. [2018-11-18 08:48:57,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2018-11-18 08:48:57,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:48:57,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:48:57,103 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:48:57,103 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] [2018-11-18 08:48:57,103 INFO L794 eck$LassoCheckResult]: Stem: 515#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 403#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~6, main_~tmp~9;havoc main_~retValue_acc~6;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 404#L930 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 460#L923 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 461#L938 main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret62;havoc main_#t~ret62; 392#L800 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 393#L774 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 424#L54-3 [2018-11-18 08:48:57,104 INFO L796 eck$LassoCheckResult]: Loop: 424#L54-3 assume true; 411#L54-1 assume !false; 412#L55 assume test_~splverifierCounter~0 < 4; 462#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 463#L64 assume !(0 != test_~tmp~0); 456#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 457#L74 assume !(0 != test_~tmp___0~0); 397#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 398#L84 assume 0 != test_~tmp___2~0; 399#L90-2 assume { :begin_inline_timeShift } true; 431#L125 assume !(0 != ~pumpRunning~0); 429#L125-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 430#L183 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 447#L157-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 475#L149-3 assume { :end_inline_processEnvironment__wrappee__base } true; 414#L157-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 439#L183-1 assume { :end_inline_processEnvironment } true; 440#L132-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret60, __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 499#L889 __utac_acc__Specification4_spec__1_#t~ret60 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret60;havoc __utac_acc__Specification4_spec__1_#t~ret60; 466#L697 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 467#L697-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 423#L142 assume { :end_inline_timeShift } true; 424#L54-3 [2018-11-18 08:48:57,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:57,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 08:48:57,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:57,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:57,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:48:57,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:57,153 INFO L82 PathProgramCache]: Analyzing trace with hash -498979103, now seen corresponding path program 1 times [2018-11-18 08:48:57,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:57,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:57,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,154 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:48:57,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:48:57,184 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 08:48:57,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:48:57,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:48:57,185 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 08:48:57,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:48:57,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:48:57,186 INFO L87 Difference]: Start difference. First operand 169 states and 221 transitions. cyclomatic complexity: 54 Second operand 3 states. [2018-11-18 08:48:57,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:48:57,240 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2018-11-18 08:48:57,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:48:57,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 291 transitions. [2018-11-18 08:48:57,243 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2018-11-18 08:48:57,245 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 291 transitions. [2018-11-18 08:48:57,245 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 232 [2018-11-18 08:48:57,246 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2018-11-18 08:48:57,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 232 states and 291 transitions. [2018-11-18 08:48:57,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 08:48:57,248 INFO L705 BuchiCegarLoop]: Abstraction has 232 states and 291 transitions. [2018-11-18 08:48:57,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states and 291 transitions. [2018-11-18 08:48:57,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2018-11-18 08:48:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-11-18 08:48:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 291 transitions. [2018-11-18 08:48:57,258 INFO L728 BuchiCegarLoop]: Abstraction has 232 states and 291 transitions. [2018-11-18 08:48:57,258 INFO L608 BuchiCegarLoop]: Abstraction has 232 states and 291 transitions. [2018-11-18 08:48:57,258 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 08:48:57,258 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 291 transitions. [2018-11-18 08:48:57,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 162 [2018-11-18 08:48:57,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 08:48:57,261 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 08:48:57,261 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:48:57,261 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] [2018-11-18 08:48:57,262 INFO L794 eck$LassoCheckResult]: Stem: 925#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(13);call #t~string11.base, #t~string11.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 110];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 79];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 102];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 44];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 80];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 117];#memory_int := #memory_int[#t~string15.base,3 + #t~string15.offset := 109];#memory_int := #memory_int[#t~string15.base,4 + #t~string15.offset := 112];#memory_int := #memory_int[#t~string15.base,5 + #t~string15.offset := 58];#memory_int := #memory_int[#t~string15.base,6 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 110];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 79];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 102];#memory_int := #memory_int[#t~string19.base,3 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 41];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 32];#memory_int := #memory_int[#t~string21.base,2 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 10];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(30);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(9);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(21);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(30);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(9);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(21);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(25);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(13);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 44];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 77];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 101];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 116];#memory_int := #memory_int[#t~string66.base,4 + #t~string66.offset := 104];#memory_int := #memory_int[#t~string66.base,5 + #t~string66.offset := 58];#memory_int := #memory_int[#t~string66.base,6 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 67];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 82];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 73];#memory_int := #memory_int[#t~string68.base,3 + #t~string68.offset := 84];#memory_int := #memory_int[#t~string68.base,4 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 79];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 75];#memory_int := #memory_int[#t~string70.base,2 + #t~string70.offset := 0];call #t~string72.base, #t~string72.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string72.base,#t~string72.offset := 41];#memory_int := #memory_int[#t~string72.base,1 + #t~string72.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 809#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret62, main_~retValue_acc~6, main_~tmp~9;havoc main_~retValue_acc~6;havoc main_~tmp~9;assume { :begin_inline_select_helpers } true; 810#L930 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 864#L923 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 865#L938 main_#t~ret62 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~9 := main_#t~ret62;havoc main_#t~ret62; 796#L800 assume 0 != main_~tmp~9;assume { :begin_inline_setup } true; 797#L774 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 830#L54-3 [2018-11-18 08:48:57,262 INFO L796 eck$LassoCheckResult]: Loop: 830#L54-3 assume true; 811#L54-1 assume !false; 812#L55 assume test_~splverifierCounter~0 < 4; 866#L56 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 867#L64 assume !(0 != test_~tmp~0); 859#L64-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 860#L74 assume !(0 != test_~tmp___0~0); 803#L74-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 804#L84 assume 0 != test_~tmp___2~0; 805#L90-2 assume { :begin_inline_timeShift } true; 836#L125 assume !(0 != ~pumpRunning~0); 834#L125-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 835#L183 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 849#L157-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret24, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~9;havoc isHighWaterSensorDry_~retValue_acc~9; 892#L897-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~9 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~9; 949#L902-1 isHighWaterLevel_#t~ret24 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret24;havoc isHighWaterLevel_#t~ret24; 962#L302-3 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 950#L302-5 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 926#L308-1 processEnvironment__wrappee__methaneQuery_#t~ret4 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1 := processEnvironment__wrappee__methaneQuery_#t~ret4;havoc processEnvironment__wrappee__methaneQuery_#t~ret4; 800#L161-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1);assume { :begin_inline_processEnvironment__wrappee__base } true; 802#L149-2 assume { :end_inline_processEnvironment__wrappee__base } true; 820#L157-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 843#L183-1 assume { :end_inline_processEnvironment } true; 844#L132-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret60, __utac_acc__Specification4_spec__1_#t~ret61, __utac_acc__Specification4_spec__1_~tmp~8, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~8;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~8;havoc getWaterLevel_~retValue_acc~8;getWaterLevel_~retValue_acc~8 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~8; 904#L889 __utac_acc__Specification4_spec__1_#t~ret60 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~8 := __utac_acc__Specification4_spec__1_#t~ret60;havoc __utac_acc__Specification4_spec__1_#t~ret60; 870#L697 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~8); 871#L697-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 829#L142 assume { :end_inline_timeShift } true; 830#L54-3 [2018-11-18 08:48:57,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:57,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 08:48:57,263 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:57,263 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:57,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:48:57,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:57,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1349633049, now seen corresponding path program 1 times [2018-11-18 08:48:57,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:57,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:57,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,303 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 08:48:57,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:48:57,314 INFO L82 PathProgramCache]: Analyzing trace with hash 98651101, now seen corresponding path program 1 times [2018-11-18 08:48:57,314 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 08:48:57,314 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 08:48:57,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:48:57,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:48:57,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 08:48:57,502 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-11-18 08:49:45,734 WARN L180 SmtUtils]: Spent 48.19 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 08:50:12,759 WARN L180 SmtUtils]: Spent 27.02 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 08:50:12,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:50:12 BoogieIcfgContainer [2018-11-18 08:50:12,825 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 08:50:12,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:50:12,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:50:12,825 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:50:12,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:56" (3/4) ... [2018-11-18 08:50:12,827 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 08:50:12,873 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ffd33225-4345-4721-baeb-3ed4d7c69cc2/bin-2019/uautomizer/witness.graphml [2018-11-18 08:50:12,873 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:50:12,873 INFO L168 Benchmark]: Toolchain (without parser) took 77601.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 956.6 MB in the beginning and 938.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 164.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:12,874 INFO L168 Benchmark]: CDTParser took 0.16 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 08:50:12,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 369.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:12,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.38 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. [2018-11-18 08:50:12,875 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:12,875 INFO L168 Benchmark]: RCFGBuilder took 714.26 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: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:12,875 INFO L168 Benchmark]: BuchiAutomizer took 76386.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.0 GB in the beginning and 944.6 MB in the end (delta: 71.1 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:12,875 INFO L168 Benchmark]: Witness Printer took 47.79 ms. Allocated memory is still 1.2 GB. Free memory was 944.6 MB in the beginning and 938.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-11-18 08:50:12,877 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 369.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.38 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. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 714.26 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: 78.8 MB). Peak memory consumption was 78.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 76386.28 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 35.7 MB). Free memory was 1.0 GB in the beginning and 944.6 MB in the end (delta: 71.1 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. * Witness Printer took 47.79 ms. Allocated memory is still 1.2 GB. Free memory was 944.6 MB in the beginning and 938.5 MB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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 232 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 76.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 75.9s. 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 232 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 432 SDtfs, 846 SDslu, 98 SDs, 0 SdLazy, 38 SolverSat, 24 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: 54]: 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 {",Pump:"=29, NULL=0, "Env(Water:%i"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=12, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76a591a7=0, "libacc.c"=0, "__utac__get_this_arg"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2151e759=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7258a975=160, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61d32cca=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ca5f7a9=0, "i > 0 && i <= this->argsCount"=0, ")"=38, "On"=33, "Env(Water:%i"=36, "libacc.c"=14, methaneLevelCritical=0, tmp___0=0, retValue_acc=1, "CRIT"=0, retValue_acc=0, ",Meth:"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@687f6c7f=0, "CRIT"=8, tmp___1=0, "\n"=24, cleanupTimeShifts=4, tmp=0, "__utac__get_this_arg"=11, tmp___0=0, "libacc.c"=16, "On"=28, "\n"=0, ") "=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44fa814b=0, \result=0, "libacc.c"=19, "libacc.c"=22, "__utac__get_this_argtype"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, "libacc.c"=0, "libacc.c"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, "__utac__get_this_argtype"=35, \result=0, "i > 0 && i <= this->argsCount"=17, ") "=26, "Off"=0, ",Meth:"=39, "OK"=0, ",Pump:"=0, "On"=0, \result=1, "__utac__get_this_arg"=18, ")"=0, tmp=1, retValue_acc=1, tmp=1, tmp___2=160, splverifierCounter=0, "Pump(System:"=0, "Pump(System:"=34, "OK"=37, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a368fc0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cd0df31=0, head=0, tmp=0, "Off"=27, tmp=1, "i > 0 && i <= this->argsCount"=23, "Off"=0, "On"=0, "Off"=31, "__utac__get_this_argtype"=15, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15ea7649=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 54]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L262] FCALL "Pump(System:" [L266] FCALL "On" [L270] FCALL "Off" [L274] FCALL ",Pump:" [L278] FCALL "On" [L282] FCALL "Off" [L286] FCALL ") " [L288] FCALL "\n" [L619] FCALL "i > 0 && i <= this->argsCount" [L619] FCALL "libacc.c" [L620] FCALL "__utac__get_this_arg" [L626] FCALL "i > 0 && i <= this->argsCount" [L626] FCALL "libacc.c" [L627] FCALL "__utac__get_this_arg" [L665] FCALL "i > 0 && i <= this->argsCount" [L665] FCALL "libacc.c" [L666] FCALL "__utac__get_this_argtype" [L672] FCALL "i > 0 && i <= this->argsCount" [L672] FCALL "libacc.c" [L673] FCALL "__utac__get_this_argtype" [L866] FCALL "Env(Water:%i" [L867] FCALL ",Meth:" [L871] FCALL "CRIT" [L875] FCALL "OK" [L879] FCALL ")" [L117] int pumpRunning = 0; [L118] int systemActive = 1; [L715] int cleanupTimeShifts = 4; [L814] int waterLevel = 1; [L815] int methaneLevelCritical = 0; [L491] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L791] int retValue_acc ; [L792] int tmp ; [L796] FCALL select_helpers() [L797] FCALL select_features() [L798] CALL, EXPR valid_product() [L934] int retValue_acc ; [L937] retValue_acc = 1 [L938] RET return (retValue_acc); [L798] EXPR valid_product() [L798] tmp = valid_product() [L800] COND TRUE \read(tmp) [L802] FCALL setup() [L803] CALL runTest() [L782] CALL test() [L45] int splverifierCounter ; [L46] int tmp ; [L47] int tmp___0 ; [L48] int tmp___1 ; [L49] int tmp___2 ; [L52] splverifierCounter = 0 Loop: [L54] COND TRUE 1 [L56] COND TRUE splverifierCounter < 4 [L62] tmp = __VERIFIER_nondet_int() [L64] COND FALSE !(\read(tmp)) [L72] tmp___0 = __VERIFIER_nondet_int() [L74] COND FALSE !(\read(tmp___0)) [L82] tmp___2 = __VERIFIER_nondet_int() [L84] COND TRUE \read(tmp___2) [L97] CALL timeShift() [L125] COND FALSE !(\read(pumpRunning)) [L132] COND TRUE \read(systemActive) [L134] CALL processEnvironment() [L180] int tmp ; [L183] COND FALSE !(\read(pumpRunning)) [L198] CALL processEnvironment__wrappee__methaneQuery() [L154] int tmp ; [L157] COND TRUE ! pumpRunning [L159] CALL, EXPR isHighWaterLevel() [L294] int retValue_acc ; [L295] int tmp ; [L296] int tmp___0 ; [L300] CALL, EXPR isHighWaterSensorDry() [L894] int retValue_acc ; [L897] COND TRUE waterLevel < 2 [L898] retValue_acc = 1 [L899] RET return (retValue_acc); [L300] EXPR isHighWaterSensorDry() [L300] tmp = isHighWaterSensorDry() [L302] COND TRUE \read(tmp) [L303] tmp___0 = 0 [L307] retValue_acc = tmp___0 [L308] RET return (retValue_acc); [L159] EXPR isHighWaterLevel() [L159] tmp = isHighWaterLevel() [L161] COND FALSE !(\read(tmp)) [L167] RET, FCALL processEnvironment__wrappee__base() [L198] RET processEnvironment__wrappee__methaneQuery() [L134] processEnvironment() [L140] CALL __utac_acc__Specification4_spec__1() [L690] int tmp ; [L691] int tmp___0 ; [L695] CALL, EXPR getWaterLevel() [L885] int retValue_acc ; [L888] retValue_acc = waterLevel [L889] RET return (retValue_acc); [L695] EXPR getWaterLevel() [L695] tmp = getWaterLevel() [L697] COND FALSE, RET !(tmp == 0) [L140] RET __utac_acc__Specification4_spec__1() [L97] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...