./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_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_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/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 2e3a30f3e039239baba08dd6989ee3f84e0fd49b ................................................................................................................................................................................................................................................................................................................................................................................................. 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 10:27:27,554 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:27:27,556 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:27:27,564 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:27:27,564 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:27:27,565 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:27:27,566 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:27:27,567 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:27:27,568 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:27:27,568 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:27:27,569 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:27:27,569 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:27:27,570 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:27:27,570 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:27:27,571 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:27:27,571 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:27:27,572 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:27:27,573 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:27:27,574 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:27:27,575 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:27:27,575 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:27:27,576 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:27:27,577 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:27:27,577 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:27:27,577 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:27:27,578 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:27:27,578 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:27:27,579 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:27:27,579 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:27:27,580 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:27:27,580 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:27:27,581 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:27:27,581 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:27:27,581 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:27:27,582 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:27:27,582 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:27:27,582 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 10:27:27,591 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:27:27,591 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:27:27,592 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 10:27:27,592 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 10:27:27,592 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 10:27:27,592 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 10:27:27,593 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 10:27:27,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 10:27:27,594 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:27:27,595 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 10:27:27,595 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:27:27,595 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:27:27,595 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 10:27:27,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:27:27,595 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 10:27:27,595 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 10:27:27,596 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 10:27:27,596 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_77da9ed4-0939-42b3-8b71-18ea6c698da4/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 -> 2e3a30f3e039239baba08dd6989ee3f84e0fd49b [2018-11-18 10:27:27,619 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:27:27,629 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:27:27,632 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:27:27,633 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:27:27,634 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:27:27,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:27:27,679 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/data/50d648a11/9a0c8eeb65c0450282d1dbaa2388cb00/FLAG9843b94a4 [2018-11-18 10:27:28,029 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:27:28,029 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/sv-benchmarks/c/product-lines/minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:27:28,035 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/data/50d648a11/9a0c8eeb65c0450282d1dbaa2388cb00/FLAG9843b94a4 [2018-11-18 10:27:28,443 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/data/50d648a11/9a0c8eeb65c0450282d1dbaa2388cb00 [2018-11-18 10:27:28,445 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:27:28,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:27:28,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:27:28,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:27:28,449 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:27:28,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,451 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 10:27:28, skipping insertion in model container [2018-11-18 10:27:28,451 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:27:28,487 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:27:28,679 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:27:28,688 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:27:28,781 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:27:28,800 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:27:28,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28 WrapperNode [2018-11-18 10:27:28,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:27:28,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:27:28,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:27:28,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:27:28,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:27:28,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:27:28,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:27:28,848 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:27:28,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... [2018-11-18 10:27:28,873 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:27:28,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:27:28,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:27:28,874 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:27:28,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/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 10:27:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:27:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:27:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:27:29,429 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:27:29,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:27:29 BoogieIcfgContainer [2018-11-18 10:27:29,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:27:29,430 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 10:27:29,430 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 10:27:29,433 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 10:27:29,434 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:27:29,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 10:27:28" (1/3) ... [2018-11-18 10:27:29,435 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@396e9d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:27:29, skipping insertion in model container [2018-11-18 10:27:29,435 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:27:29,435 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:27:28" (2/3) ... [2018-11-18 10:27:29,435 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@396e9d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 10:27:29, skipping insertion in model container [2018-11-18 10:27:29,435 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 10:27:29,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:27:29" (3/3) ... [2018-11-18 10:27:29,437 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product06_true-unreach-call_false-termination.cil.c [2018-11-18 10:27:29,472 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:27:29,472 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 10:27:29,472 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 10:27:29,472 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 10:27:29,472 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:27:29,472 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:27:29,473 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 10:27:29,473 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:27:29,473 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 10:27:29,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 10:27:29,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 10:27:29,502 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:29,502 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:29,507 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:29,507 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 10:27:29,507 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 10:27:29,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 99 states. [2018-11-18 10:27:29,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2018-11-18 10:27:29,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:29,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:29,512 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:29,512 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 10:27:29,516 INFO L794 eck$LassoCheckResult]: Stem: 79#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~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];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 := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#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(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 21#L431true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 57#L424true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 25#L439true main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 80#L531true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 43#L507true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 67#L677-3true [2018-11-18 10:27:29,516 INFO L796 eck$LassoCheckResult]: Loop: 67#L677-3true assume true; 65#L677-1true assume !false; 36#L678true assume test_~splverifierCounter~0 < 4; 96#L679true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 22#L687true assume !(0 != test_~tmp~5); 5#L687-2true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 37#L697true assume !(0 != test_~tmp___0~1); 38#L697-2true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 86#L707true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 39#L873true assume { :end_inline_startSystem } true; 87#L715-2true assume { :begin_inline_timeShift } true; 82#L743true assume !(0 != ~pumpRunning~0); 85#L743-2true assume !(0 != ~systemActive~0); 24#L750-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;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; 9#L629-1true __utac_acc__Specification1_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret37;havoc __utac_acc__Specification1_spec__1_#t~ret37; 70#L556true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 74#L556-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 46#L760true assume { :end_inline_timeShift } true; 67#L677-3true [2018-11-18 10:27:29,521 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:29,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 10:27:29,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:29,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:29,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:29,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1861811187, now seen corresponding path program 1 times [2018-11-18 10:27:29,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:29,681 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:29,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:29,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:27:29,720 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 10:27:29,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:27:29,721 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:27:29,724 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 10:27:29,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:27:29,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:27:29,734 INFO L87 Difference]: Start difference. First operand 99 states. Second operand 3 states. [2018-11-18 10:27:29,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:27:29,765 INFO L93 Difference]: Finished difference Result 96 states and 119 transitions. [2018-11-18 10:27:29,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:27:29,767 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 119 transitions. [2018-11-18 10:27:29,770 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 10:27:29,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 86 states and 108 transitions. [2018-11-18 10:27:29,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 86 [2018-11-18 10:27:29,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 86 [2018-11-18 10:27:29,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 86 states and 108 transitions. [2018-11-18 10:27:29,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 10:27:29,777 INFO L705 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 10:27:29,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states and 108 transitions. [2018-11-18 10:27:29,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-18 10:27:29,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-18 10:27:29,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 108 transitions. [2018-11-18 10:27:29,801 INFO L728 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 10:27:29,802 INFO L608 BuchiCegarLoop]: Abstraction has 86 states and 108 transitions. [2018-11-18 10:27:29,802 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 10:27:29,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states and 108 transitions. [2018-11-18 10:27:29,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 59 [2018-11-18 10:27:29,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 10:27:29,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 10:27:29,804 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:27:29,804 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 10:27:29,804 INFO L794 eck$LassoCheckResult]: Stem: 275#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~string40.base, #t~string40.offset := #Ultimate.alloc(13);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 44];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 77];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 101];#memory_int := #memory_int[#t~string42.base,3 + #t~string42.offset := 116];#memory_int := #memory_int[#t~string42.base,4 + #t~string42.offset := 104];#memory_int := #memory_int[#t~string42.base,5 + #t~string42.offset := 58];#memory_int := #memory_int[#t~string42.base,6 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 67];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 82];#memory_int := #memory_int[#t~string44.base,2 + #t~string44.offset := 73];#memory_int := #memory_int[#t~string44.base,3 + #t~string44.offset := 84];#memory_int := #memory_int[#t~string44.base,4 + #t~string44.offset := 0];call #t~string46.base, #t~string46.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string46.base,#t~string46.offset := 79];#memory_int := #memory_int[#t~string46.base,1 + #t~string46.offset := 75];#memory_int := #memory_int[#t~string46.base,2 + #t~string46.offset := 0];call #t~string48.base, #t~string48.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string48.base,#t~string48.offset := 41];#memory_int := #memory_int[#t~string48.base,1 + #t~string48.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 79];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 110];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 102];#memory_int := #memory_int[#t~string60.base,3 + #t~string60.offset := 0];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 := 80];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 117];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 109];#memory_int := #memory_int[#t~string62.base,4 + #t~string62.offset := 112];#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(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 79];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 110];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 79];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,2 + #t~string66.offset := 102];#memory_int := #memory_int[#t~string66.base,3 + #t~string66.offset := 0];call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string68.base,#t~string68.offset := 41];#memory_int := #memory_int[#t~string68.base,1 + #t~string68.offset := 32];#memory_int := #memory_int[#t~string68.base,2 + #t~string68.offset := 0];call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string70.base,#t~string70.offset := 10];#memory_int := #memory_int[#t~string70.base,1 + #t~string70.offset := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 232#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret36, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 233#L431 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 247#L424 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 248#L439 main_#t~ret36 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret36;havoc main_#t~ret36; 268#L531 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 276#L507 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 212#L677-3 [2018-11-18 10:27:29,804 INFO L796 eck$LassoCheckResult]: Loop: 212#L677-3 assume true; 264#L677-1 assume !false; 265#L678 assume test_~splverifierCounter~0 < 4; 288#L679 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 262#L687 assume !(0 != test_~tmp~5); 215#L687-2 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 216#L697 assume !(0 != test_~tmp___0~1); 287#L697-2 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 280#L707 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 281#L873 assume { :end_inline_startSystem } true; 284#L715-2 assume { :begin_inline_timeShift } true; 277#L743 assume !(0 != ~pumpRunning~0); 207#L743-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 251#L775 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 253#L767-1 assume { :end_inline_processEnvironment__wrappee__base } true; 229#L775-1 assume { :end_inline_processEnvironment } true; 256#L750-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret37, __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;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; 230#L629-1 __utac_acc__Specification1_spec__1_#t~ret37 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret37;havoc __utac_acc__Specification1_spec__1_#t~ret37; 231#L556 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 269#L556-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 211#L760 assume { :end_inline_timeShift } true; 212#L677-3 [2018-11-18 10:27:29,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:29,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 10:27:29,805 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:29,805 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:29,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:29,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:29,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1176259575, now seen corresponding path program 1 times [2018-11-18 10:27:29,859 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:29,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:29,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,860 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 10:27:29,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:27:29,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1627928755, now seen corresponding path program 1 times [2018-11-18 10:27:29,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 10:27:29,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 10:27:29,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:27:29,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:27:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:27:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:29:16,833 WARN L180 SmtUtils]: Spent 1.78 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 10:30:13,167 WARN L180 SmtUtils]: Spent 56.33 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 10:30:13,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 10:30:13 BoogieIcfgContainer [2018-11-18 10:30:13,229 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 10:30:13,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:30:13,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:30:13,230 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:30:13,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:27:29" (3/4) ... [2018-11-18 10:30:13,232 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 10:30:13,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_77da9ed4-0939-42b3-8b71-18ea6c698da4/bin-2019/uautomizer/witness.graphml [2018-11-18 10:30:13,271 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:30:13,272 INFO L168 Benchmark]: Toolchain (without parser) took 164825.97 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 955.5 MB in the beginning and 970.5 MB in the end (delta: -15.0 MB). Peak memory consumption was 89.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:30:13,272 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:30:13,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:30:13,273 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.74 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 10:30:13,273 INFO L168 Benchmark]: Boogie Preprocessor took 25.71 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 10:30:13,273 INFO L168 Benchmark]: RCFGBuilder took 556.09 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:30:13,274 INFO L168 Benchmark]: BuchiAutomizer took 163799.08 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -32.0 MB). Free memory was 1.1 GB in the beginning and 974.7 MB in the end (delta: 87.9 MB). Peak memory consumption was 200.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:30:13,274 INFO L168 Benchmark]: Witness Printer took 41.68 ms. Allocated memory is still 1.1 GB. Free memory was 974.7 MB in the beginning and 970.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:30:13,276 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -175.1 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.74 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 25.71 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 556.09 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 163799.08 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -32.0 MB). Free memory was 1.1 GB in the beginning and 974.7 MB in the end (delta: 87.9 MB). Peak memory consumption was 200.1 MB. Max. memory is 11.5 GB. * Witness Printer took 41.68 ms. Allocated memory is still 1.1 GB. Free memory was 974.7 MB in the beginning and 970.5 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 86 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 163.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 163.6s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 86 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 116 SDtfs, 114 SDslu, 0 SDs, 0 SdLazy, 3 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: 677]: 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, "On"=0, ",Pump:"=0, "OK"=0, "OK"=17, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@147abdd4=0, "CRIT"=0, retValue_acc=0, "Off"=0, ",Meth:"=0, "On"=38, "Pump(System:"=35, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@689e9d23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f107d61=157, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c628c9b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62050953=0, tmp=0, ") "=0, "Off"=0, ") "=8, tmp___1=0, "__utac__get_this_argtype"=24, "__utac__get_this_arg"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@115ac72f=0, "__utac__get_this_arg"=11, tmp___0=0, "libacc.c"=26, cleanupTimeShifts=4, "libacc.c"=22, ",Meth:"=18, "__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, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "On"=34, retValue_acc=0, "CRIT"=16, "Off"=31, "On"=0, "Pump(System:"=0, \result=1, "i > 0 && i <= this->argsCount"=15, head=0, pumpRunning=0, \result=0, "i > 0 && i <= this->argsCount"=12, tmp=1, "libacc.c"=0, "Off"=39, "\n"=0, tmp=0, "i > 0 && i <= this->argsCount"=0, ")"=36, retValue_acc=1, "libacc.c"=29, tmp___2=157, "i > 0 && i <= this->argsCount"=23, tmp___0=0, splverifierCounter=0, \result=0, "\n"=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21ab3229=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@546d0921=0, head=0, "libacc.c"=0, "libacc.c"=14, tmp=0, "i > 0 && i <= this->argsCount"=27, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=20, "libacc.c"=0, "libacc.c"=0, "Env(Water:%i"=19, ",Pump:"=33, ")"=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 677]: 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" [L638] FCALL "Env(Water:%i" [L639] FCALL ",Meth:" [L643] FCALL "CRIT" [L647] FCALL "OK" [L651] FCALL ")" [L837] FCALL "Pump(System:" [L841] FCALL "On" [L845] FCALL "Off" [L849] FCALL ",Pump:" [L853] FCALL "On" [L857] FCALL "Off" [L861] FCALL ") " [L863] FCALL "\n" [L444] int cleanupTimeShifts = 4; [L586] int waterLevel = 1; [L587] int methaneLevelCritical = 0; [L736] int pumpRunning = 0; [L737] int systemActive = 1; [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L435] int retValue_acc ; [L438] retValue_acc = 1 [L439] RET return (retValue_acc); [L529] EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L516] CALL test() [L668] int splverifierCounter ; [L669] int tmp ; [L670] int tmp___0 ; [L671] int tmp___1 ; [L672] int tmp___2 ; [L675] splverifierCounter = 0 Loop: [L677] COND TRUE 1 [L679] COND TRUE splverifierCounter < 4 [L685] tmp = __VERIFIER_nondet_int() [L687] COND FALSE !(\read(tmp)) [L695] tmp___0 = __VERIFIER_nondet_int() [L697] COND FALSE !(\read(tmp___0)) [L705] tmp___2 = __VERIFIER_nondet_int() [L707] COND TRUE \read(tmp___2) [L709] CALL startSystem() [L872] RET systemActive = 1 [L709] startSystem() [L722] CALL timeShift() [L743] COND FALSE !(\read(pumpRunning)) [L750] COND TRUE \read(systemActive) [L752] CALL processEnvironment() [L772] int tmp ; [L775] COND FALSE !(\read(pumpRunning)) [L790] RET, FCALL processEnvironment__wrappee__base() [L752] processEnvironment() [L758] CALL __utac_acc__Specification1_spec__1() [L549] int tmp ; [L550] int tmp___0 ; [L554] CALL, EXPR isMethaneLevelCritical() [L625] int retValue_acc ; [L628] retValue_acc = methaneLevelCritical [L629] RET return (retValue_acc); [L554] EXPR isMethaneLevelCritical() [L554] tmp = isMethaneLevelCritical() [L556] COND FALSE, RET !(\read(tmp)) [L758] RET __utac_acc__Specification1_spec__1() [L722] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...