./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/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 f0335c6392c59c467837b14da92286fa43b99dfc .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:32:03,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:32:03,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:32:03,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:32:03,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:32:03,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:32:03,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:32:03,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:32:03,663 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:32:03,664 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:32:03,664 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:32:03,665 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:32:03,665 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:32:03,666 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:32:03,666 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:32:03,667 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:32:03,668 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:32:03,669 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:32:03,670 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:32:03,671 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:32:03,672 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:32:03,673 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:32:03,674 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:32:03,674 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:32:03,674 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:32:03,675 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:32:03,675 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:32:03,676 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:32:03,676 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:32:03,677 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:32:03,677 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:32:03,678 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:32:03,678 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:32:03,678 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:32:03,679 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:32:03,679 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:32:03,679 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:32:03,688 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:32:03,688 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:32:03,689 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:32:03,689 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:32:03,690 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:32:03,690 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:32:03,690 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:32:03,690 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:32:03,690 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:32:03,690 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:32:03,690 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:32:03,691 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:32:03,691 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:32:03,691 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:32:03,691 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:32:03,691 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:32:03,691 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:32:03,691 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:32:03,692 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:32:03,692 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:32:03,692 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:32:03,692 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:32:03,692 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:32:03,692 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:32:03,693 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:32:03,693 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:32:03,693 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:32:03,693 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:32:03,693 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:32:03,693 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:32:03,694 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:32:03,694 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:32:03,694 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_ea0e6d2a-2b80-4705-a988-7291632a8d37/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2018-11-18 12:32:03,717 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:32:03,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:32:03,727 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:32:03,728 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:32:03,728 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:32:03,728 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 12:32:03,763 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/data/bedc3598d/365e0db713e94325b1cf758ced6a68dc/FLAG1e42e3623 [2018-11-18 12:32:04,194 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:32:04,195 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/sv-benchmarks/c/product-lines/minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 12:32:04,204 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/data/bedc3598d/365e0db713e94325b1cf758ced6a68dc/FLAG1e42e3623 [2018-11-18 12:32:04,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/data/bedc3598d/365e0db713e94325b1cf758ced6a68dc [2018-11-18 12:32:04,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:32:04,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:32:04,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:04,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:32:04,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:32:04,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,222 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 12:32:04, skipping insertion in model container [2018-11-18 12:32:04,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:32:04,256 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:32:04,432 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:04,441 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:32:04,538 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:32:04,553 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:32:04,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04 WrapperNode [2018-11-18 12:32:04,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:32:04,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:04,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:32:04,555 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:32:04,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,570 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,589 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:32:04,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:32:04,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:32:04,590 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:32:04,595 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,611 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,612 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... [2018-11-18 12:32:04,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:32:04,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:32:04,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:32:04,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:32:04,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:32:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:32:04,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:32:04,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:32:05,140 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:32:05,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:05 BoogieIcfgContainer [2018-11-18 12:32:05,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:32:05,141 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:32:05,142 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:32:05,144 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:32:05,145 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:32:05,145 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:32:04" (1/3) ... [2018-11-18 12:32:05,146 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c76840b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:32:05, skipping insertion in model container [2018-11-18 12:32:05,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:32:05,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:32:04" (2/3) ... [2018-11-18 12:32:05,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c76840b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:32:05, skipping insertion in model container [2018-11-18 12:32:05,147 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:32:05,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:05" (3/3) ... [2018-11-18 12:32:05,148 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product08_true-unreach-call_false-termination.cil.c [2018-11-18 12:32:05,189 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:32:05,189 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:32:05,189 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:32:05,189 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:32:05,189 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:32:05,190 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:32:05,190 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:32:05,190 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:32:05,190 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:32:05,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 12:32:05,218 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 12:32:05,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:32:05,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:32:05,225 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:05,225 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:05,225 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:32:05,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 12:32:05,229 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 12:32:05,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:32:05,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:32:05,230 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:05,230 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:05,234 INFO L794 eck$LassoCheckResult]: Stem: 71#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 83#L151true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 31#L144true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 92#L159true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 25#L249true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 96#L225true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, 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; 14#L827-3true [2018-11-18 12:32:05,234 INFO L796 eck$LassoCheckResult]: Loop: 14#L827-3true assume true; 26#L827-1true assume !false; 84#L828true assume test_~splverifierCounter~0 < 4; 56#L829true test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 65#L837true assume !(0 != test_~tmp~6); 61#L837-2true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 105#L847true assume !(0 != test_~tmp___0~1); 88#L847-2true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 29#L857true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 34#L813true assume { :end_inline_startSystem } true; 53#L865-2true assume { :begin_inline_timeShift } true; 99#L668true assume !(0 != ~pumpRunning~0); 104#L668-2true assume !(0 != ~systemActive~0); 50#L675-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 77#L121true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 62#L639true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 54#L639-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 78#L685true assume { :end_inline_timeShift } true; 14#L827-3true [2018-11-18 12:32:05,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:05,238 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 12:32:05,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:05,241 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:05,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,269 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:05,269 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:05,413 INFO L82 PathProgramCache]: Analyzing trace with hash 1055912307, now seen corresponding path program 1 times [2018-11-18 12:32:05,413 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:05,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:05,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:05,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:32:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:32:05,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:32:05,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:32:05,454 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 12:32:05,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:32:05,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:32:05,465 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 3 states. [2018-11-18 12:32:05,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:32:05,512 INFO L93 Difference]: Finished difference Result 191 states and 241 transitions. [2018-11-18 12:32:05,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:32:05,514 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 241 transitions. [2018-11-18 12:32:05,518 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 124 [2018-11-18 12:32:05,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 171 states and 220 transitions. [2018-11-18 12:32:05,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2018-11-18 12:32:05,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2018-11-18 12:32:05,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 220 transitions. [2018-11-18 12:32:05,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 12:32:05,525 INFO L705 BuchiCegarLoop]: Abstraction has 171 states and 220 transitions. [2018-11-18 12:32:05,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 220 transitions. [2018-11-18 12:32:05,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 168. [2018-11-18 12:32:05,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-11-18 12:32:05,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 216 transitions. [2018-11-18 12:32:05,553 INFO L728 BuchiCegarLoop]: Abstraction has 168 states and 216 transitions. [2018-11-18 12:32:05,553 INFO L608 BuchiCegarLoop]: Abstraction has 168 states and 216 transitions. [2018-11-18 12:32:05,554 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 12:32:05,554 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 168 states and 216 transitions. [2018-11-18 12:32:05,556 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 121 [2018-11-18 12:32:05,556 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:32:05,556 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:32:05,556 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:32:05,556 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] [2018-11-18 12:32:05,557 INFO L794 eck$LassoCheckResult]: Stem: 344#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~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(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 313#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 314#L151 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 369#L144 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 370#L159 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 360#L249 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 361#L225 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, 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; 333#L827-3 [2018-11-18 12:32:05,557 INFO L796 eck$LassoCheckResult]: Loop: 333#L827-3 assume true; 334#L827-1 assume !false; 362#L828 assume test_~splverifierCounter~0 < 4; 389#L829 test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 439#L837 assume !(0 != test_~tmp~6); 437#L837-2 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 435#L847 assume !(0 != test_~tmp___0~1); 433#L847-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 432#L857 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 367#L813 assume { :end_inline_startSystem } true; 373#L865-2 assume { :begin_inline_timeShift } true; 429#L668 assume !(0 != ~pumpRunning~0); 426#L668-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 423#L700 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 422#L692-1 assume { :end_inline_processEnvironment__wrappee__base } true; 419#L700-1 assume { :end_inline_processEnvironment } true; 418#L675-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 417#L121 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 416#L639 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 401#L639-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 374#L685 assume { :end_inline_timeShift } true; 333#L827-3 [2018-11-18 12:32:05,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:05,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 12:32:05,557 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:05,557 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:05,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:05,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:05,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1509921058, now seen corresponding path program 1 times [2018-11-18 12:32:05,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:05,617 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:05,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,618 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:32:05,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:32:05,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1961590238, now seen corresponding path program 1 times [2018-11-18 12:32:05,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:32:05,627 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:32:05,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:32:05,628 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:32:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:32:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:33:42,272 WARN L180 SmtUtils]: Spent 1.61 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 12:34:36,170 WARN L180 SmtUtils]: Spent 53.90 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 12:34:36,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:34:36 BoogieIcfgContainer [2018-11-18 12:34:36,231 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:34:36,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:34:36,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:34:36,232 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:34:36,232 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:32:05" (3/4) ... [2018-11-18 12:34:36,235 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 12:34:36,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea0e6d2a-2b80-4705-a988-7291632a8d37/bin-2019/uautomizer/witness.graphml [2018-11-18 12:34:36,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:34:36,272 INFO L168 Benchmark]: Toolchain (without parser) took 152054.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.0 MB). Free memory was 957.6 MB in the beginning and 979.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 84.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,272 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:34:36,273 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,273 INFO L168 Benchmark]: Boogie Preprocessor took 24.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,274 INFO L168 Benchmark]: RCFGBuilder took 526.72 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,274 INFO L168 Benchmark]: BuchiAutomizer took 151089.80 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 70.3 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,274 INFO L168 Benchmark]: Witness Printer took 39.57 ms. Allocated memory is still 1.1 GB. Free memory was 984.0 MB in the beginning and 979.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:34:36,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.59 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -170.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.97 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.57 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.72 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: 68.1 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 151089.80 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 984.0 MB in the end (delta: 70.3 MB). Peak memory consumption was 192.7 MB. Max. memory is 11.5 GB. * Witness Printer took 39.57 ms. Allocated memory is still 1.1 GB. Free memory was 984.0 MB in the beginning and 979.8 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 168 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 151.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 150.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 168 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 124 SDtfs, 117 SDslu, 110 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 827]: 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, ") "=0, "Off"=0, "Env(Water:%i"=28, "libacc.c"=0, retValue_acc=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, "OK"=24, "On"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ") "=38, "Off"=34, methaneLevelCritical=0, "__utac__get_this_argtype"=12, "i > 0 && i <= this->argsCount"=18, tmp=0, "\n"=0, tmp___1=0, tmp___0=0, "i > 0 && i <= this->argsCount"=15, cleanupTimeShifts=4, "libacc.c"=17, "libacc.c"=20, "i > 0 && i <= this->argsCount"=8, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d42a851=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a8dd31c=0, ",Pump:"=35, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e0f64a3=0, "__utac__get_this_argtype"=29, "On"=0, "Pump(System:"=0, "On"=36, ",Pump:"=0, "Off"=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, "Pump(System:"=31, "\n"=39, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd2da3d=163, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51b54e1f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@294b19f9=0, "libacc.c"=0, "__utac__get_this_arg"=16, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51392121=0, tmp=1, "CRIT"=26, tmp___2=163, "i > 0 && i <= this->argsCount"=22, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, ")"=0, "OK"=0, "CRIT"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c8bed82=0, ")"=23, head=0, tmp=0, "__utac__get_this_arg"=19, "i > 0 && i <= this->argsCount"=0, ",Meth:"=27, "libacc.c"=0, "libacc.c"=11, "libacc.c"=14, "Off"=37, "On"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 827]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] FCALL "Env(Water:%i" [L99] FCALL ",Meth:" [L103] FCALL "CRIT" [L107] FCALL "OK" [L111] FCALL ")" [L560] FCALL "i > 0 && i <= this->argsCount" [L560] FCALL "libacc.c" [L561] FCALL "__utac__get_this_arg" [L567] FCALL "i > 0 && i <= this->argsCount" [L567] FCALL "libacc.c" [L568] FCALL "__utac__get_this_arg" [L606] FCALL "i > 0 && i <= this->argsCount" [L606] FCALL "libacc.c" [L607] FCALL "__utac__get_this_argtype" [L613] FCALL "i > 0 && i <= this->argsCount" [L613] FCALL "libacc.c" [L614] FCALL "__utac__get_this_argtype" [L762] FCALL "Pump(System:" [L766] FCALL "On" [L770] FCALL "Off" [L774] FCALL ",Pump:" [L778] FCALL "On" [L782] FCALL "Off" [L786] FCALL ") " [L788] FCALL "\n" [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L164] int cleanupTimeShifts = 4; [L661] int pumpRunning = 0; [L662] int systemActive = 1; [L432] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L240] int retValue_acc ; [L241] int tmp ; [L245] FCALL select_helpers() [L246] FCALL select_features() [L247] CALL, EXPR valid_product() [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] RET return (retValue_acc); [L247] EXPR valid_product() [L247] tmp = valid_product() [L249] COND TRUE \read(tmp) [L251] FCALL setup() [L252] CALL runTest() [L234] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L859] CALL startSystem() [L812] RET systemActive = 1 [L859] startSystem() [L874] CALL timeShift() [L668] COND FALSE !(\read(pumpRunning)) [L675] COND TRUE \read(systemActive) [L677] CALL processEnvironment() [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L715] RET, FCALL processEnvironment__wrappee__base() [L677] processEnvironment() [L683] CALL __utac_acc__Specification4_spec__1() [L632] int tmp ; [L633] int tmp___0 ; [L637] CALL, EXPR getWaterLevel() [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] RET return (retValue_acc); [L637] EXPR getWaterLevel() [L637] tmp = getWaterLevel() [L639] COND FALSE, RET !(tmp == 0) [L683] RET __utac_acc__Specification4_spec__1() [L874] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...