./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_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_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/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 407d2ed2af07127fb49dbf31f1dfe014dd6d299c ........................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:39:42,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:39:42,705 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:39:42,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:39:42,713 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:39:42,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:39:42,714 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:39:42,716 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:39:42,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:39:42,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:39:42,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:39:42,718 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:39:42,719 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:39:42,719 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:39:42,720 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:39:42,721 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:39:42,721 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:39:42,722 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:39:42,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:39:42,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:39:42,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:39:42,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:39:42,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:39:42,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:39:42,729 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:39:42,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:39:42,730 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:39:42,731 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:39:42,731 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:39:42,732 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:39:42,732 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:39:42,733 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:39:42,733 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:39:42,733 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:39:42,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:39:42,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:39:42,734 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 16:39:42,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:39:42,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:39:42,746 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:39:42,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:39:42,747 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:39:42,747 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 16:39:42,747 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 16:39:42,747 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 16:39:42,747 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 16:39:42,748 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 16:39:42,748 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 16:39:42,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:39:42,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:39:42,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 16:39:42,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:39:42,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 16:39:42,749 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:39:42,750 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 16:39:42,750 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:39:42,750 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:39:42,750 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 16:39:42,750 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:39:42,750 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:39:42,750 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 16:39:42,751 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 16:39:42,751 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_a0467e61-4ee3-47f3-a52f-9b0301e192bc/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 -> 407d2ed2af07127fb49dbf31f1dfe014dd6d299c [2018-11-18 16:39:42,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:39:42,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:39:42,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:39:42,785 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:39:42,785 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:39:42,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-18 16:39:42,824 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/data/35a41f348/5386a890f0cc49f0bd7a4e23015aceac/FLAGab394c8a6 [2018-11-18 16:39:43,249 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:39:43,249 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/sv-benchmarks/c/product-lines/minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-18 16:39:43,255 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/data/35a41f348/5386a890f0cc49f0bd7a4e23015aceac/FLAGab394c8a6 [2018-11-18 16:39:43,266 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/data/35a41f348/5386a890f0cc49f0bd7a4e23015aceac [2018-11-18 16:39:43,269 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:39:43,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:39:43,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:39:43,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:39:43,273 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:39:43,273 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,275 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 04:39:43, skipping insertion in model container [2018-11-18 16:39:43,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,280 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:39:43,306 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:39:43,476 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:39:43,485 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:39:43,579 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:39:43,595 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:39:43,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43 WrapperNode [2018-11-18 16:39:43,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:39:43,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:39:43,596 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:39:43,596 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:39:43,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:39:43,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:39:43,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:39:43,631 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:39:43,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,639 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,640 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... [2018-11-18 16:39:43,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:39:43,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:39:43,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:39:43,650 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:39:43,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/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 16:39:43,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:39:43,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:39:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:39:44,137 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:39:44,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:44 BoogieIcfgContainer [2018-11-18 16:39:44,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:39:44,138 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 16:39:44,138 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 16:39:44,140 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 16:39:44,141 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:39:44,141 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 04:39:43" (1/3) ... [2018-11-18 16:39:44,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67c9253c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:39:44, skipping insertion in model container [2018-11-18 16:39:44,142 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:39:44,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:39:43" (2/3) ... [2018-11-18 16:39:44,142 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@67c9253c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 04:39:44, skipping insertion in model container [2018-11-18 16:39:44,142 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 16:39:44,142 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:44" (3/3) ... [2018-11-18 16:39:44,144 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product16_true-unreach-call_false-termination.cil.c [2018-11-18 16:39:44,178 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:39:44,178 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 16:39:44,178 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 16:39:44,178 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 16:39:44,178 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:39:44,178 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:39:44,179 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 16:39:44,179 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:39:44,179 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 16:39:44,190 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 16:39:44,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 16:39:44,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:39:44,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:39:44,215 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:44,215 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 16:39:44,215 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 16:39:44,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 103 states. [2018-11-18 16:39:44,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-18 16:39:44,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:39:44,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:39:44,220 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:44,220 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 16:39:44,224 INFO L794 eck$LassoCheckResult]: Stem: 72#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.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; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 12#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 54#L58true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 6#L73true main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 23#L615true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 105#L591true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 74#L853-3true [2018-11-18 16:39:44,224 INFO L796 eck$LassoCheckResult]: Loop: 74#L853-3true assume true; 71#L853-1true assume !false; 42#L854true assume test_~splverifierCounter~0 < 4; 4#L855true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 21#L863true assume !(0 != test_~tmp~7); 10#L863-2true test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 47#L873true assume !(0 != test_~tmp___0~1); 50#L873-2true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 78#L883true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet71;havoc test_#t~nondet71; 99#L891true assume !(0 != test_~tmp___1~0); 79#L891-2true assume { :begin_inline_timeShift } true; 20#L651true assume !(0 != ~pumpRunning~0); 8#L651-2true assume !(0 != ~systemActive~0); 65#L658-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret66, __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 83#L525true __utac_acc__Specification4_spec__1_#t~ret66 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret66;havoc __utac_acc__Specification4_spec__1_#t~ret66; 80#L825true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 82#L825-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 96#L668true assume { :end_inline_timeShift } true; 74#L853-3true [2018-11-18 16:39:44,229 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:44,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 16:39:44,231 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:44,231 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:44,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:44,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:44,384 INFO L82 PathProgramCache]: Analyzing trace with hash 2095416321, now seen corresponding path program 1 times [2018-11-18 16:39:44,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:44,384 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:44,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:44,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:44,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1016909627, now seen corresponding path program 1 times [2018-11-18 16:39:44,396 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:44,396 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:44,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:44,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:39:44,519 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 16:39:44,521 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:39:44,521 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:39:44,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:39:44,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:39:44,603 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 6 states. [2018-11-18 16:39:44,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:39:44,806 INFO L93 Difference]: Finished difference Result 350 states and 439 transitions. [2018-11-18 16:39:44,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:39:44,808 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 350 states and 439 transitions. [2018-11-18 16:39:44,818 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 228 [2018-11-18 16:39:44,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 350 states to 310 states and 399 transitions. [2018-11-18 16:39:44,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 310 [2018-11-18 16:39:44,827 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 310 [2018-11-18 16:39:44,828 INFO L73 IsDeterministic]: Start isDeterministic. Operand 310 states and 399 transitions. [2018-11-18 16:39:44,829 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 16:39:44,829 INFO L705 BuchiCegarLoop]: Abstraction has 310 states and 399 transitions. [2018-11-18 16:39:44,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states and 399 transitions. [2018-11-18 16:39:44,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 144. [2018-11-18 16:39:44,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-18 16:39:44,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 186 transitions. [2018-11-18 16:39:44,857 INFO L728 BuchiCegarLoop]: Abstraction has 144 states and 186 transitions. [2018-11-18 16:39:44,857 INFO L608 BuchiCegarLoop]: Abstraction has 144 states and 186 transitions. [2018-11-18 16:39:44,857 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 16:39:44,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 186 transitions. [2018-11-18 16:39:44,858 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2018-11-18 16:39:44,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 16:39:44,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 16:39:44,859 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:39:44,859 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 16:39:44,860 INFO L794 eck$LassoCheckResult]: Stem: 529#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(30);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(9);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(21);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(30);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(9);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(21);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(30);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(9);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(25);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(30);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(9);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(25);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(13);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string39.base,#t~string39.offset := 44];#memory_int := #memory_int[#t~string39.base,1 + #t~string39.offset := 77];#memory_int := #memory_int[#t~string39.base,2 + #t~string39.offset := 101];#memory_int := #memory_int[#t~string39.base,3 + #t~string39.offset := 116];#memory_int := #memory_int[#t~string39.base,4 + #t~string39.offset := 104];#memory_int := #memory_int[#t~string39.base,5 + #t~string39.offset := 58];#memory_int := #memory_int[#t~string39.base,6 + #t~string39.offset := 0];call #t~string41.base, #t~string41.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string41.base,#t~string41.offset := 67];#memory_int := #memory_int[#t~string41.base,1 + #t~string41.offset := 82];#memory_int := #memory_int[#t~string41.base,2 + #t~string41.offset := 73];#memory_int := #memory_int[#t~string41.base,3 + #t~string41.offset := 84];#memory_int := #memory_int[#t~string41.base,4 + #t~string41.offset := 0];call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 75];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 41];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.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; 493#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 494#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 471#L58 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 472#L73 main_#t~ret46 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 490#L615 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 533#L591 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 532#L853-3 [2018-11-18 16:39:44,860 INFO L796 eck$LassoCheckResult]: Loop: 532#L853-3 assume true; 525#L853-1 assume !false; 526#L854 assume test_~splverifierCounter~0 < 4; 479#L855 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 480#L863 assume !(0 != test_~tmp~7); 501#L863-2 test_~tmp___0~1 := test_#t~nondet69;havoc test_#t~nondet69; 502#L873 assume !(0 != test_~tmp___0~1); 528#L873-2 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 545#L883 assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet71;havoc test_#t~nondet71; 546#L891 assume !(0 != test_~tmp___1~0); 537#L891-2 assume { :begin_inline_timeShift } true; 523#L651 assume !(0 != ~pumpRunning~0); 497#L651-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret47, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 486#L683 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 487#L675-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 491#L683-1 assume { :end_inline_processEnvironment } true; 492#L658-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret66, __utac_acc__Specification4_spec__1_#t~ret67, __utac_acc__Specification4_spec__1_~tmp~6, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~6;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 507#L525 __utac_acc__Specification4_spec__1_#t~ret66 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6 := __utac_acc__Specification4_spec__1_#t~ret66;havoc __utac_acc__Specification4_spec__1_#t~ret66; 548#L825 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6); 549#L825-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 551#L668 assume { :end_inline_timeShift } true; 532#L853-3 [2018-11-18 16:39:44,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:44,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 16:39:44,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:44,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:44,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:44,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:44,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1635169324, now seen corresponding path program 1 times [2018-11-18 16:39:44,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:44,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:44,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,904 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 16:39:44,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:39:44,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1183500144, now seen corresponding path program 1 times [2018-11-18 16:39:44,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:39:44,913 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:39:44,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:39:44,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:39:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:39:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 16:40:13,110 WARN L180 SmtUtils]: Spent 28.09 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 16:40:34,146 WARN L180 SmtUtils]: Spent 21.04 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 16:40:34,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 04:40:34 BoogieIcfgContainer [2018-11-18 16:40:34,211 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 16:40:34,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:40:34,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:40:34,212 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:40:34,212 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:39:44" (3/4) ... [2018-11-18 16:40:34,215 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 16:40:34,253 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a0467e61-4ee3-47f3-a52f-9b0301e192bc/bin-2019/uautomizer/witness.graphml [2018-11-18 16:40:34,253 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:40:34,254 INFO L168 Benchmark]: Toolchain (without parser) took 50984.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 955.5 MB in the beginning and 1.0 GB in the end (delta: -68.0 MB). Peak memory consumption was 93.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:34,255 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 16:40:34,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:34,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.85 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 16:40:34,255 INFO L168 Benchmark]: Boogie Preprocessor took 19.46 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 16:40:34,256 INFO L168 Benchmark]: RCFGBuilder took 487.00 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:34,256 INFO L168 Benchmark]: BuchiAutomizer took 50073.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.6 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:34,257 INFO L168 Benchmark]: Witness Printer took 41.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:40:34,259 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 324.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.85 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 19.46 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 487.00 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 50073.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 28.8 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.6 MB). Peak memory consumption was 202.3 MB. Max. memory is 11.5 GB. * Witness Printer took 41.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 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 6 locations. The remainder module has 144 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 50.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 49.6s. Construction of modules took 0.1s. 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, 166 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 144 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 121 SDtfs, 560 SDslu, 859 SDs, 0 SdLazy, 52 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 853]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1867ddea=0, NULL=0, "Off"=36, ") "=0, "CRIT"=0, ")"=0, "Off"=0, ") "=39, retValue_acc=0, "OK"=0, methaneLevelCritical=0, "Env(Water:%i"=14, "\n"=0, "CRIT"=12, "__utac__get_this_argtype"=15, tmp=0, tmp___1=0, "libacc.c"=19, "libacc.c"=23, "libacc.c"=27, tmp___0=0, "i > 0 && i <= this->argsCount"=20, ",Meth:"=11, cleanupTimeShifts=4, "i > 0 && i <= this->argsCount"=17, ")"=8, "On"=35, "libacc.c"=0, "__utac__get_this_arg"=0, "libacc.c"=0, NULL=0, systemActive=1, waterLevel=1, \result=1, "libacc.c"=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d8e8eaa=0, "Off"=0, ",Pump:"=0, "On"=0, \result=1, head=0, pumpRunning=0, ",Pump:"=29, \result=0, "__utac__get_this_arg"=26, tmp=1, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f7ce2d8=0, "__utac__get_this_argtype"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5bb16389=0, "Pump(System:"=0, "Off"=38, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2993a198=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a025a83=0, "i > 0 && i <= this->argsCount"=24, tmp=1, retValue_acc=1, retValue_acc=1, tmp___2=0, "__utac__get_this_argtype"=18, tmp___0=0, splverifierCounter=0, "On"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4eef917b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e78ca9d=0, "On"=37, head=0, tmp=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=22, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=28, "libacc.c"=0, "libacc.c"=16, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, "OK"=33, "\n"=40, "Pump(System:"=34} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 853]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L375] FCALL "i > 0 && i <= this->argsCount" [L375] FCALL "libacc.c" [L376] FCALL "__utac__get_this_arg" [L382] FCALL "i > 0 && i <= this->argsCount" [L382] FCALL "libacc.c" [L383] FCALL "__utac__get_this_arg" [L421] FCALL "i > 0 && i <= this->argsCount" [L421] FCALL "libacc.c" [L422] FCALL "__utac__get_this_argtype" [L428] FCALL "i > 0 && i <= this->argsCount" [L428] FCALL "libacc.c" [L429] FCALL "__utac__get_this_argtype" [L502] FCALL "Env(Water:%i" [L503] FCALL ",Meth:" [L507] FCALL "CRIT" [L511] FCALL "OK" [L515] FCALL ")" [L762] FCALL "Pump(System:" [L766] FCALL "On" [L770] FCALL "Off" [L774] FCALL ",Pump:" [L778] FCALL "On" [L782] FCALL "Off" [L786] FCALL ") " [L788] FCALL "\n" [L450] int waterLevel = 1; [L451] int methaneLevelCritical = 0; [L530] int cleanupTimeShifts = 4; [L643] int pumpRunning = 0; [L644] int systemActive = 1; [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L606] int retValue_acc ; [L607] int tmp ; [L611] FCALL select_helpers() [L612] FCALL select_features() [L613] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L613] EXPR valid_product() [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L617] FCALL setup() [L618] CALL runTest() [L600] CALL test() [L844] int splverifierCounter ; [L845] int tmp ; [L846] int tmp___0 ; [L847] int tmp___1 ; [L848] int tmp___2 ; [L851] splverifierCounter = 0 Loop: [L853] COND TRUE 1 [L855] COND TRUE splverifierCounter < 4 [L861] tmp = __VERIFIER_nondet_int() [L863] COND FALSE !(\read(tmp)) [L871] tmp___0 = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp___0)) [L881] tmp___2 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___2)) [L889] tmp___1 = __VERIFIER_nondet_int() [L891] COND FALSE !(\read(tmp___1)) [L900] CALL timeShift() [L651] COND FALSE !(\read(pumpRunning)) [L658] COND TRUE \read(systemActive) [L660] CALL processEnvironment() [L680] int tmp ; [L683] COND FALSE !(\read(pumpRunning)) [L698] RET, FCALL processEnvironment__wrappee__methaneQuery() [L660] processEnvironment() [L666] CALL __utac_acc__Specification4_spec__1() [L818] int tmp ; [L819] int tmp___0 ; [L823] CALL, EXPR getWaterLevel() [L521] int retValue_acc ; [L524] retValue_acc = waterLevel [L525] RET return (retValue_acc); [L823] EXPR getWaterLevel() [L823] tmp = getWaterLevel() [L825] COND FALSE, RET !(tmp == 0) [L666] RET __utac_acc__Specification4_spec__1() [L900] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...