./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product21_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_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/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 6346ce5eb6334508a32a1216a3fa5c414f15aa87 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:12:27,661 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:12:27,662 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:12:27,669 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:12:27,669 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:12:27,670 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:12:27,670 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:12:27,671 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:12:27,672 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:12:27,673 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:12:27,674 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:12:27,674 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:12:27,675 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:12:27,675 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:12:27,676 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:12:27,677 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:12:27,677 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:12:27,678 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:12:27,680 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:12:27,681 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:12:27,681 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:12:27,682 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:12:27,684 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:12:27,684 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:12:27,684 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:12:27,685 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:12:27,685 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:12:27,686 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:12:27,686 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:12:27,687 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:12:27,687 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:12:27,688 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:12:27,688 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:12:27,688 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:12:27,689 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:12:27,689 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:12:27,689 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:12:27,699 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:12:27,699 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:12:27,700 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:12:27,700 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:12:27,700 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:12:27,700 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:12:27,700 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:12:27,701 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:12:27,701 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:12:27,701 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:12:27,701 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:12:27,701 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:12:27,701 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:12:27,701 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:12:27,702 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:12:27,703 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:12:27,703 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:12:27,703 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:12:27,703 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:12:27,703 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:12:27,703 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:12:27,703 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:12:27,704 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:12:27,704 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:12:27,704 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_ad543af2-f031-42f7-b249-3bb92dcda3bc/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 -> 6346ce5eb6334508a32a1216a3fa5c414f15aa87 [2018-11-18 13:12:27,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:12:27,735 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:12:27,738 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:12:27,740 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:12:27,740 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:12:27,740 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-11-18 13:12:27,787 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/data/57698244b/9569b7e3f0ba49c18f160bc2d6730fb9/FLAGf3edc5690 [2018-11-18 13:12:28,147 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:12:28,147 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/sv-benchmarks/c/product-lines/minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-11-18 13:12:28,157 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/data/57698244b/9569b7e3f0ba49c18f160bc2d6730fb9/FLAGf3edc5690 [2018-11-18 13:12:28,546 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/data/57698244b/9569b7e3f0ba49c18f160bc2d6730fb9 [2018-11-18 13:12:28,548 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:12:28,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:12:28,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:12:28,550 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:12:28,553 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:12:28,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28, skipping insertion in model container [2018-11-18 13:12:28,556 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:12:28,594 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:12:28,770 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:12:28,779 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:12:28,881 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:12:28,898 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:12:28,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28 WrapperNode [2018-11-18 13:12:28,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:12:28,899 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:12:28,899 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:12:28,899 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:12:28,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:12:28,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:12:28,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:12:28,936 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:12:28,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... [2018-11-18 13:12:28,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:12:28,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:12:28,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:12:28,962 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:12:28,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/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 13:12:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:12:29,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:12:29,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:12:29,537 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:12:29,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:12:29 BoogieIcfgContainer [2018-11-18 13:12:29,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:12:29,537 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:12:29,537 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:12:29,539 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:12:29,540 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:12:29,540 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:12:28" (1/3) ... [2018-11-18 13:12:29,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16034e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:12:29, skipping insertion in model container [2018-11-18 13:12:29,541 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:12:29,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:12:28" (2/3) ... [2018-11-18 13:12:29,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16034e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:12:29, skipping insertion in model container [2018-11-18 13:12:29,542 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:12:29,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:12:29" (3/3) ... [2018-11-18 13:12:29,543 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product21_false-unreach-call_false-termination.cil.c [2018-11-18 13:12:29,576 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:12:29,576 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:12:29,576 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:12:29,577 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:12:29,577 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:12:29,577 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:12:29,577 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:12:29,577 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:12:29,577 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:12:29,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states. [2018-11-18 13:12:29,604 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 13:12:29,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:12:29,605 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:12:29,610 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:12:29,610 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 13:12:29,610 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:12:29,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states. [2018-11-18 13:12:29,614 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 102 [2018-11-18 13:12:29,614 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:12:29,614 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:12:29,614 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:12:29,614 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 13:12:29,618 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 79];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 110];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 44];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 80];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 117];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 109];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 112];#memory_int := #memory_int[#t~string45.base,5 + #t~string45.offset := 58];#memory_int := #memory_int[#t~string45.base,6 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 110];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 41];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 32];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 10];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#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 := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~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~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 118#L916true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 56#L909true 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; 153#L924true main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 34#L846true assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 92#L820true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 129#L616-3true [2018-11-18 13:12:29,619 INFO L796 eck$LassoCheckResult]: Loop: 129#L616-3true assume true; 124#L616-1true assume !false; 63#L617true assume test_~splverifierCounter~0 < 4; 18#L618true test_~tmp~6 := test_#t~nondet55;havoc test_#t~nondet55; 26#L626true assume !(0 != test_~tmp~6); 30#L626-2true test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 79#L636true assume !(0 != test_~tmp___0~1); 82#L636-2true test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 155#L646true assume 0 != test_~tmp___2~0; 114#L652-2true assume { :begin_inline_timeShift } true; 152#L423true assume !(0 != ~pumpRunning~0); 158#L423-2true assume !(0 != ~systemActive~0); 57#L430-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 145#L715-1true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 159#L869true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 115#L875-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 106#L440true assume { :end_inline_timeShift } true; 129#L616-3true [2018-11-18 13:12:29,624 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:29,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:12:29,625 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:29,626 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:29,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:29,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:29,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:29,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:29,782 INFO L82 PathProgramCache]: Analyzing trace with hash -952979963, now seen corresponding path program 1 times [2018-11-18 13:12:29,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:29,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:29,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:29,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:29,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:29,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:29,793 INFO L82 PathProgramCache]: Analyzing trace with hash -1884661567, now seen corresponding path program 1 times [2018-11-18 13:12:29,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:29,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:29,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:29,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:29,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:12:29,911 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 13:12:29,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:12:29,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:12:29,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:12:29,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:12:29,994 INFO L87 Difference]: Start difference. First operand 158 states. Second operand 6 states. [2018-11-18 13:12:30,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:12:30,108 INFO L93 Difference]: Finished difference Result 155 states and 198 transitions. [2018-11-18 13:12:30,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 13:12:30,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 198 transitions. [2018-11-18 13:12:30,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 13:12:30,118 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 145 states and 188 transitions. [2018-11-18 13:12:30,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 145 [2018-11-18 13:12:30,119 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 145 [2018-11-18 13:12:30,119 INFO L73 IsDeterministic]: Start isDeterministic. Operand 145 states and 188 transitions. [2018-11-18 13:12:30,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:12:30,120 INFO L705 BuchiCegarLoop]: Abstraction has 145 states and 188 transitions. [2018-11-18 13:12:30,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states and 188 transitions. [2018-11-18 13:12:30,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-11-18 13:12:30,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-11-18 13:12:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 188 transitions. [2018-11-18 13:12:30,147 INFO L728 BuchiCegarLoop]: Abstraction has 145 states and 188 transitions. [2018-11-18 13:12:30,147 INFO L608 BuchiCegarLoop]: Abstraction has 145 states and 188 transitions. [2018-11-18 13:12:30,148 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:12:30,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 188 transitions. [2018-11-18 13:12:30,149 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2018-11-18 13:12:30,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:12:30,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:12:30,149 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:12:30,149 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 13:12:30,150 INFO L794 eck$LassoCheckResult]: Stem: 445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 79];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 110];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 44];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 80];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 117];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 109];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 112];#memory_int := #memory_int[#t~string45.base,5 + #t~string45.offset := 58];#memory_int := #memory_int[#t~string45.base,6 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 110];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 41];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 32];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 10];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#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 := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 333#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 334#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 401#L909 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; 402#L924 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 372#L846 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 373#L820 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 442#L616-3 [2018-11-18 13:12:30,150 INFO L796 eck$LassoCheckResult]: Loop: 442#L616-3 assume true; 468#L616-1 assume !false; 411#L617 assume test_~splverifierCounter~0 < 4; 347#L618 test_~tmp~6 := test_#t~nondet55;havoc test_#t~nondet55; 348#L626 assume !(0 != test_~tmp~6); 363#L626-2 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 367#L636 assume !(0 != test_~tmp___0~1); 427#L636-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 428#L646 assume 0 != test_~tmp___2~0; 456#L652-2 assume { :begin_inline_timeShift } true; 459#L423 assume !(0 != ~pumpRunning~0); 370#L423-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 472#L481 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 397#L455-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 364#L447-3 assume { :end_inline_processEnvironment__wrappee__base } true; 359#L455-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 371#L481-1 assume { :end_inline_processEnvironment } true; 403#L430-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 404#L715-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 474#L869 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8; 400#L875-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 454#L440 assume { :end_inline_timeShift } true; 442#L616-3 [2018-11-18 13:12:30,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:30,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:12:30,150 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:30,150 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:30,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:30,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:30,192 INFO L82 PathProgramCache]: Analyzing trace with hash -371521278, now seen corresponding path program 1 times [2018-11-18 13:12:30,192 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:30,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:30,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,193 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:12:30,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:30,201 INFO L82 PathProgramCache]: Analyzing trace with hash 745321414, now seen corresponding path program 1 times [2018-11-18 13:12:30,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:30,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:30,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:30,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:12:30,279 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 13:12:30,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:12:30,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:12:30,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:12:30,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:12:30,324 INFO L87 Difference]: Start difference. First operand 145 states and 188 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-18 13:12:30,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:12:30,504 INFO L93 Difference]: Finished difference Result 528 states and 689 transitions. [2018-11-18 13:12:30,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:12:30,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 528 states and 689 transitions. [2018-11-18 13:12:30,513 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 363 [2018-11-18 13:12:30,517 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 528 states to 528 states and 689 transitions. [2018-11-18 13:12:30,517 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 528 [2018-11-18 13:12:30,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 528 [2018-11-18 13:12:30,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 528 states and 689 transitions. [2018-11-18 13:12:30,520 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:12:30,520 INFO L705 BuchiCegarLoop]: Abstraction has 528 states and 689 transitions. [2018-11-18 13:12:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states and 689 transitions. [2018-11-18 13:12:30,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 283. [2018-11-18 13:12:30,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-18 13:12:30,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 365 transitions. [2018-11-18 13:12:30,536 INFO L728 BuchiCegarLoop]: Abstraction has 283 states and 365 transitions. [2018-11-18 13:12:30,536 INFO L608 BuchiCegarLoop]: Abstraction has 283 states and 365 transitions. [2018-11-18 13:12:30,537 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 13:12:30,537 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 365 transitions. [2018-11-18 13:12:30,539 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 196 [2018-11-18 13:12:30,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:12:30,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:12:30,540 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:12:30,540 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] [2018-11-18 13:12:30,540 INFO L794 eck$LassoCheckResult]: Stem: 1144#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(13);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 79];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 110];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 102];#memory_int := #memory_int[#t~string43.base,3 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 44];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 80];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 117];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 109];#memory_int := #memory_int[#t~string45.base,4 + #t~string45.offset := 112];#memory_int := #memory_int[#t~string45.base,5 + #t~string45.offset := 58];#memory_int := #memory_int[#t~string45.base,6 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 79];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 110];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 102];#memory_int := #memory_int[#t~string49.base,3 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 41];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 32];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 10];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 44];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 77];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 101];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 116];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 104];#memory_int := #memory_int[#t~string62.base,5 + #t~string62.offset := 58];#memory_int := #memory_int[#t~string62.base,6 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 67];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 82];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 73];#memory_int := #memory_int[#t~string64.base,3 + #t~string64.offset := 84];#memory_int := #memory_int[#t~string64.base,4 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 75];#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 := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1022#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7;assume { :begin_inline_select_helpers } true; 1023#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1093#L909 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; 1094#L924 main_#t~ret69 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~7 := main_#t~ret69;havoc main_#t~ret69; 1064#L846 assume 0 != main_~tmp~7;assume { :begin_inline_setup } true; 1065#L820 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet55, test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1139#L616-3 [2018-11-18 13:12:30,540 INFO L796 eck$LassoCheckResult]: Loop: 1139#L616-3 assume true; 1169#L616-1 assume !false; 1103#L617 assume test_~splverifierCounter~0 < 4; 1104#L618 test_~tmp~6 := test_#t~nondet55;havoc test_#t~nondet55; 1295#L626 assume !(0 != test_~tmp~6); 1293#L626-2 test_~tmp___0~1 := test_#t~nondet56;havoc test_#t~nondet56; 1292#L636 assume !(0 != test_~tmp___0~1); 1290#L636-2 test_~tmp___2~0 := test_#t~nondet57;havoc test_#t~nondet57; 1288#L646 assume 0 != test_~tmp___2~0; 1287#L652-2 assume { :begin_inline_timeShift } true; 1284#L423 assume !(0 != ~pumpRunning~0); 1281#L423-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 1179#L481 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret35, processEnvironment__wrappee__lowWaterSensor_~tmp~3;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~3; 1180#L455-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1298#L447-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1062#L455-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1063#L481-1 assume { :end_inline_processEnvironment } true; 1095#L430-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~8, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~8;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1096#L715-1 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 1187#L869 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1188#L747 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 1160#L875 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 1092#L875-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1155#L440 assume { :end_inline_timeShift } true; 1139#L616-3 [2018-11-18 13:12:30,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:30,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 13:12:30,541 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:30,541 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:30,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:30,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:30,576 INFO L82 PathProgramCache]: Analyzing trace with hash -548409611, now seen corresponding path program 1 times [2018-11-18 13:12:30,576 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:30,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:30,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,577 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:12:30,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:12:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1004406599, now seen corresponding path program 1 times [2018-11-18 13:12:30,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:12:30,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:12:30,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:12:30,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:12:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:12:30,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:13:39,744 WARN L180 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:14:16,915 WARN L180 SmtUtils]: Spent 37.17 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:14:16,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:14:16 BoogieIcfgContainer [2018-11-18 13:14:16,977 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:14:16,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:14:16,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:14:16,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:14:16,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:12:29" (3/4) ... [2018-11-18 13:14:16,981 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:14:17,025 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ad543af2-f031-42f7-b249-3bb92dcda3bc/bin-2019/uautomizer/witness.graphml [2018-11-18 13:14:17,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:14:17,025 INFO L168 Benchmark]: Toolchain (without parser) took 108476.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 951.1 MB in the beginning and 786.0 MB in the end (delta: 165.0 MB). Peak memory consumption was 366.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,026 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:14:17,026 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,027 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.09 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,027 INFO L168 Benchmark]: Boogie Preprocessor took 25.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,028 INFO L168 Benchmark]: RCFGBuilder took 575.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,028 INFO L168 Benchmark]: BuchiAutomizer took 107439.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 787.2 MB in the end (delta: 256.1 MB). Peak memory consumption was 330.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,028 INFO L168 Benchmark]: Witness Printer took 47.79 ms. Allocated memory is still 1.2 GB. Free memory was 787.2 MB in the beginning and 786.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:14:17,036 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -164.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.09 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.27 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 575.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 107439.46 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.0 GB in the beginning and 787.2 MB in the end (delta: 256.1 MB). Peak memory consumption was 330.0 MB. Max. memory is 11.5 GB. * Witness Printer took 47.79 ms. Allocated memory is still 1.2 GB. Free memory was 787.2 MB in the beginning and 786.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 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 283 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 107.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 106.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 245 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 283 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 469 SDtfs, 1275 SDslu, 863 SDs, 0 SdLazy, 91 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 616]: 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, "CRIT"=0, ",Meth:"=0, "On"=0, "On"=0, ",Pump:"=0, "Env(Water:%i"=0, "Off"=0, retValue_acc=0, "CRIT"=29, methaneLevelCritical=0, retValue_acc=1, "On"=31, ")"=0, tmp=0, "OK"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64f77982=0, tmp=0, ")"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20b7679b=0, tmp___1=0, "__utac__get_this_argtype"=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d6217ba=0, "__utac__get_this_arg"=26, "__utac__get_this_arg"=11, "libacc.c"=23, "Pump(System:"=28, cleanupTimeShifts=4, "libacc.c"=18, ",Pump:"=17, "\n"=37, tmp=0, tmp___0=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7deffff4=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, retValue_acc=0, "Off"=0, "On"=36, "Env(Water:%i"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59085712=0, "\n"=0, \result=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, "Off"=34, \result=0, "i > 0 && i <= this->argsCount"=12, "libacc.c"=0, "OK"=38, tmp=1, ") "=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=27, retValue_acc=1, tmp___2=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39fa47c0=0, "i > 0 && i <= this->argsCount"=20, tmp___0=0, splverifierCounter=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24858cd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4552c2b7=171, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33ef4419=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5376cb6e=0, tmp___1=0, head=0, tmp=0, "libacc.c"=0, "libacc.c"=14, "i > 0 && i <= this->argsCount"=24, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=19, "Pump(System:"=0, "libacc.c"=0, "libacc.c"=0, "Off"=33, ",Meth:"=39, ") "=35} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 616]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L337] FCALL "i > 0 && i <= this->argsCount" [L337] FCALL "libacc.c" [L338] FCALL "__utac__get_this_arg" [L344] FCALL "i > 0 && i <= this->argsCount" [L344] FCALL "libacc.c" [L345] FCALL "__utac__get_this_arg" [L383] FCALL "i > 0 && i <= this->argsCount" [L383] FCALL "libacc.c" [L384] FCALL "__utac__get_this_argtype" [L390] FCALL "i > 0 && i <= this->argsCount" [L390] FCALL "libacc.c" [L391] FCALL "__utac__get_this_argtype" [L543] FCALL "Pump(System:" [L547] FCALL "On" [L551] FCALL "Off" [L555] FCALL ",Pump:" [L559] FCALL "On" [L563] FCALL "Off" [L567] FCALL ") " [L569] FCALL "\n" [L724] FCALL "Env(Water:%i" [L725] FCALL ",Meth:" [L729] FCALL "CRIT" [L733] FCALL "OK" [L737] FCALL ")" [L415] int pumpRunning = 0; [L416] int systemActive = 1; [L672] int waterLevel = 1; [L673] int methaneLevelCritical = 0; [L761] int cleanupTimeShifts = 4; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L837] int retValue_acc ; [L838] int tmp ; [L842] FCALL select_helpers() [L843] FCALL select_features() [L844] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] RET return (retValue_acc); [L844] EXPR valid_product() [L844] tmp = valid_product() [L846] COND TRUE \read(tmp) [L848] FCALL setup() [L849] CALL runTest() [L828] CALL test() [L607] int splverifierCounter ; [L608] int tmp ; [L609] int tmp___0 ; [L610] int tmp___1 ; [L611] int tmp___2 ; [L614] splverifierCounter = 0 Loop: [L616] COND TRUE 1 [L618] COND TRUE splverifierCounter < 4 [L624] tmp = __VERIFIER_nondet_int() [L626] COND FALSE !(\read(tmp)) [L634] tmp___0 = __VERIFIER_nondet_int() [L636] COND FALSE !(\read(tmp___0)) [L644] tmp___2 = __VERIFIER_nondet_int() [L646] COND TRUE \read(tmp___2) [L659] CALL timeShift() [L423] COND FALSE !(\read(pumpRunning)) [L430] COND TRUE \read(systemActive) [L432] CALL processEnvironment() [L478] int tmp ; [L481] COND FALSE !(\read(pumpRunning)) [L496] CALL processEnvironment__wrappee__lowWaterSensor() [L452] int tmp ; [L455] COND FALSE !(\read(pumpRunning)) [L470] RET, FCALL processEnvironment__wrappee__base() [L496] RET processEnvironment__wrappee__lowWaterSensor() [L432] processEnvironment() [L438] CALL __utac_acc__Specification3_spec__1() [L861] int tmp ; [L862] int tmp___0 ; [L863] int tmp___1 ; [L867] CALL, EXPR isMethaneLevelCritical() [L711] int retValue_acc ; [L714] retValue_acc = methaneLevelCritical [L715] RET return (retValue_acc); [L867] EXPR isMethaneLevelCritical() [L867] tmp = isMethaneLevelCritical() [L869] COND FALSE !(\read(tmp)) [L873] CALL, EXPR getWaterLevel() [L743] int retValue_acc ; [L746] retValue_acc = waterLevel [L747] RET return (retValue_acc); [L873] EXPR getWaterLevel() [L873] tmp___0 = getWaterLevel() [L875] COND FALSE, RET !(tmp___0 == 2) [L438] RET __utac_acc__Specification3_spec__1() [L659] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...