./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product20_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_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/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 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:27:26,287 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:27:26,288 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:27:26,297 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:27:26,297 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:27:26,298 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:27:26,298 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:27:26,300 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:27:26,301 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:27:26,302 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:27:26,302 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:27:26,302 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:27:26,303 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:27:26,304 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:27:26,305 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:27:26,305 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:27:26,306 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:27:26,307 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:27:26,308 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:27:26,309 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:27:26,310 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:27:26,311 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:27:26,312 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:27:26,313 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:27:26,313 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:27:26,313 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:27:26,314 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:27:26,315 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:27:26,315 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:27:26,316 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:27:26,316 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:27:26,316 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:27:26,317 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:27:26,317 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:27:26,317 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:27:26,318 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:27:26,318 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 13:27:26,329 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:27:26,329 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:27:26,330 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:27:26,330 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:27:26,330 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:27:26,330 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 13:27:26,330 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 13:27:26,330 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 13:27:26,331 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:27:26,331 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 13:27:26,332 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:27:26,333 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 13:27:26,333 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:27:26,333 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:27:26,333 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 13:27:26,333 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:27:26,333 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:27:26,333 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 13:27:26,334 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 13:27:26,334 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_191215d8-33fd-43ba-8cc7-31af9a9abf07/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 -> 14f022cf7e99461a69af1dfadf53c6fdf3d4a870 [2018-11-18 13:27:26,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:27:26,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:27:26,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:27:26,370 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:27:26,370 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:27:26,371 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:26,420 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/data/9e12fcf73/59496c2c640c4ec7b0df1275b26791ef/FLAGe5198eef5 [2018-11-18 13:27:26,801 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:27:26,802 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/sv-benchmarks/c/product-lines/minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:26,811 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/data/9e12fcf73/59496c2c640c4ec7b0df1275b26791ef/FLAGe5198eef5 [2018-11-18 13:27:27,178 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/data/9e12fcf73/59496c2c640c4ec7b0df1275b26791ef [2018-11-18 13:27:27,180 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:27:27,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:27:27,181 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:27:27,181 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:27:27,184 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:27:27,185 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,187 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa108ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27, skipping insertion in model container [2018-11-18 13:27:27,187 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:27:27,223 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:27:27,403 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:27:27,411 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:27:27,514 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:27:27,528 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:27:27,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27 WrapperNode [2018-11-18 13:27:27,528 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:27:27,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:27:27,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:27:27,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:27:27,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,568 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:27:27,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:27:27,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:27:27,568 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:27:27,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... [2018-11-18 13:27:27,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:27:27,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:27:27,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:27:27,593 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:27:27,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 13:27:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:27:27,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:27:27,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:27:28,094 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:27:28,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:28 BoogieIcfgContainer [2018-11-18 13:27:28,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:27:28,095 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 13:27:28,096 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 13:27:28,098 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 13:27:28,102 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:27:28,102 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 01:27:27" (1/3) ... [2018-11-18 13:27:28,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c062292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:27:28, skipping insertion in model container [2018-11-18 13:27:28,103 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:27:28,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:27:27" (2/3) ... [2018-11-18 13:27:28,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c062292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 01:27:28, skipping insertion in model container [2018-11-18 13:27:28,104 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 13:27:28,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:28" (3/3) ... [2018-11-18 13:27:28,105 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product20_true-unreach-call_false-termination.cil.c [2018-11-18 13:27:28,135 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:27:28,135 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 13:27:28,135 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 13:27:28,135 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 13:27:28,135 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:27:28,135 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:27:28,135 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 13:27:28,135 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:27:28,135 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 13:27:28,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 13:27:28,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 13:27:28,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:28,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:28,169 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:28,169 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 13:27:28,169 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 13:27:28,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states. [2018-11-18 13:27:28,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2018-11-18 13:27:28,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:28,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:28,172 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:28,172 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 13:27:28,177 INFO L794 eck$LassoCheckResult]: Stem: 82#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 10#L65true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 45#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; 7#L73true main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 64#L259true assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 24#L235true 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___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 83#L864-3true [2018-11-18 13:27:28,177 INFO L796 eck$LassoCheckResult]: Loop: 83#L864-3true assume true; 98#L864-1true assume !false; 35#L865true assume test_~splverifierCounter~0 < 4; 4#L866true test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 17#L874true assume !(0 != test_~tmp~7); 9#L874-2true test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 39#L884true assume !(0 != test_~tmp___0~2); 40#L884-2true test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 100#L894true assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 102#L850true assume { :end_inline_startSystem } true; 104#L902-2true assume { :begin_inline_timeShift } true; 32#L686true assume !(0 != ~pumpRunning~0); 34#L686-2true assume !(0 != ~systemActive~0); 99#L693-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 58#L160true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 108#L657true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 110#L657-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 22#L703true assume { :end_inline_timeShift } true; 83#L864-3true [2018-11-18 13:27:28,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:28,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 13:27:28,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:28,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:28,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:28,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:28,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1262996499, now seen corresponding path program 1 times [2018-11-18 13:27:28,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:28,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:28,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:28,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:27:28,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:27:28,369 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:27:28,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:27:28,371 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 13:27:28,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:27:28,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:27:28,381 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 3 states. [2018-11-18 13:27:28,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:27:28,435 INFO L93 Difference]: Finished difference Result 203 states and 259 transitions. [2018-11-18 13:27:28,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:27:28,437 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 203 states and 259 transitions. [2018-11-18 13:27:28,440 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 132 [2018-11-18 13:27:28,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 203 states to 183 states and 238 transitions. [2018-11-18 13:27:28,445 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 183 [2018-11-18 13:27:28,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 183 [2018-11-18 13:27:28,447 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 238 transitions. [2018-11-18 13:27:28,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 13:27:28,448 INFO L705 BuchiCegarLoop]: Abstraction has 183 states and 238 transitions. [2018-11-18 13:27:28,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 238 transitions. [2018-11-18 13:27:28,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 180. [2018-11-18 13:27:28,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-11-18 13:27:28,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 234 transitions. [2018-11-18 13:27:28,474 INFO L728 BuchiCegarLoop]: Abstraction has 180 states and 234 transitions. [2018-11-18 13:27:28,474 INFO L608 BuchiCegarLoop]: Abstraction has 180 states and 234 transitions. [2018-11-18 13:27:28,474 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 13:27:28,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 180 states and 234 transitions. [2018-11-18 13:27:28,476 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 129 [2018-11-18 13:27:28,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 13:27:28,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 13:27:28,477 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:27:28,477 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 13:27:28,477 INFO L794 eck$LassoCheckResult]: Stem: 386#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string4.base,#t~string4.offset := 44];#memory_int := #memory_int[#t~string4.base,1 + #t~string4.offset := 77];#memory_int := #memory_int[#t~string4.base,2 + #t~string4.offset := 101];#memory_int := #memory_int[#t~string4.base,3 + #t~string4.offset := 116];#memory_int := #memory_int[#t~string4.base,4 + #t~string4.offset := 104];#memory_int := #memory_int[#t~string4.base,5 + #t~string4.offset := 58];#memory_int := #memory_int[#t~string4.base,6 + #t~string4.offset := 0];call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string6.base,#t~string6.offset := 67];#memory_int := #memory_int[#t~string6.base,1 + #t~string6.offset := 82];#memory_int := #memory_int[#t~string6.base,2 + #t~string6.offset := 73];#memory_int := #memory_int[#t~string6.base,3 + #t~string6.offset := 84];#memory_int := #memory_int[#t~string6.base,4 + #t~string6.offset := 0];call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string8.base,#t~string8.offset := 79];#memory_int := #memory_int[#t~string8.base,1 + #t~string8.offset := 75];#memory_int := #memory_int[#t~string8.base,2 + #t~string8.offset := 0];call #t~string10.base, #t~string10.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string10.base,#t~string10.offset := 41];#memory_int := #memory_int[#t~string10.base,1 + #t~string10.offset := 0];call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(21);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(30);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(9);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(21);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(25);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(25);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(13);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string54.base,#t~string54.offset := 79];#memory_int := #memory_int[#t~string54.base,1 + #t~string54.offset := 110];#memory_int := #memory_int[#t~string54.base,2 + #t~string54.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string56.base,#t~string56.offset := 79];#memory_int := #memory_int[#t~string56.base,1 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,2 + #t~string56.offset := 102];#memory_int := #memory_int[#t~string56.base,3 + #t~string56.offset := 0];call #t~string58.base, #t~string58.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string58.base,#t~string58.offset := 44];#memory_int := #memory_int[#t~string58.base,1 + #t~string58.offset := 80];#memory_int := #memory_int[#t~string58.base,2 + #t~string58.offset := 117];#memory_int := #memory_int[#t~string58.base,3 + #t~string58.offset := 109];#memory_int := #memory_int[#t~string58.base,4 + #t~string58.offset := 112];#memory_int := #memory_int[#t~string58.base,5 + #t~string58.offset := 58];#memory_int := #memory_int[#t~string58.base,6 + #t~string58.offset := 0];call #t~string60.base, #t~string60.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string60.base,#t~string60.offset := 79];#memory_int := #memory_int[#t~string60.base,1 + #t~string60.offset := 110];#memory_int := #memory_int[#t~string60.base,2 + #t~string60.offset := 0];call #t~string62.base, #t~string62.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string62.base,#t~string62.offset := 79];#memory_int := #memory_int[#t~string62.base,1 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,2 + #t~string62.offset := 102];#memory_int := #memory_int[#t~string62.base,3 + #t~string62.offset := 0];call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string64.base,#t~string64.offset := 41];#memory_int := #memory_int[#t~string64.base,1 + #t~string64.offset := 32];#memory_int := #memory_int[#t~string64.base,2 + #t~string64.offset := 0];call #t~string66.base, #t~string66.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string66.base,#t~string66.offset := 10];#memory_int := #memory_int[#t~string66.base,1 + #t~string66.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 344#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0;assume { :begin_inline_select_helpers } true; 345#L65 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 323#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; 324#L73 main_#t~ret11 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 341#L259 assume 0 != main_~tmp~0;assume { :begin_inline_setup } true; 359#L235 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___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 414#L864-3 [2018-11-18 13:27:28,477 INFO L796 eck$LassoCheckResult]: Loop: 414#L864-3 assume true; 469#L864-1 assume !false; 467#L865 assume test_~splverifierCounter~0 < 4; 468#L866 test_~tmp~7 := test_#t~nondet68;havoc test_#t~nondet68; 499#L874 assume !(0 != test_~tmp~7); 497#L874-2 test_~tmp___0~2 := test_#t~nondet69;havoc test_#t~nondet69; 495#L884 assume !(0 != test_~tmp___0~2); 493#L884-2 test_~tmp___2~0 := test_#t~nondet70;havoc test_#t~nondet70; 492#L894 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 410#L850 assume { :end_inline_startSystem } true; 415#L902-2 assume { :begin_inline_timeShift } true; 489#L686 assume !(0 != ~pumpRunning~0); 486#L686-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 483#L718 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 478#L710-1 assume { :end_inline_processEnvironment__wrappee__base } true; 477#L718-1 assume { :end_inline_processEnvironment } true; 476#L693-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 475#L160 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 473#L657 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 471#L657-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 470#L703 assume { :end_inline_timeShift } true; 414#L864-3 [2018-11-18 13:27:28,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:28,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 13:27:28,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:28,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:28,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:28,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:28,531 INFO L82 PathProgramCache]: Analyzing trace with hash -1345633118, now seen corresponding path program 1 times [2018-11-18 13:27:28,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:28,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:28,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,532 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 13:27:28,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:27:28,542 INFO L82 PathProgramCache]: Analyzing trace with hash -893963938, now seen corresponding path program 1 times [2018-11-18 13:27:28,542 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:27:28,542 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:27:28,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:27:28,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:27:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:27:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:28:38,338 WARN L180 SmtUtils]: Spent 1.16 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 13:29:06,010 WARN L180 SmtUtils]: Spent 27.67 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 13:29:06,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 01:29:06 BoogieIcfgContainer [2018-11-18 13:29:06,068 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 13:29:06,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:29:06,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:29:06,069 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:29:06,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:27:28" (3/4) ... [2018-11-18 13:29:06,073 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 13:29:06,111 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_191215d8-33fd-43ba-8cc7-31af9a9abf07/bin-2019/uautomizer/witness.graphml [2018-11-18 13:29:06,111 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:29:06,111 INFO L168 Benchmark]: Toolchain (without parser) took 98931.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 955.5 MB in the beginning and 956.8 MB in the end (delta: -1.3 MB). Peak memory consumption was 102.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:06,112 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:29:06,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:06,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:06,114 INFO L168 Benchmark]: Boogie Preprocessor took 24.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:29:06,114 INFO L168 Benchmark]: RCFGBuilder took 502.29 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 13:29:06,114 INFO L168 Benchmark]: BuchiAutomizer took 97973.04 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 963.4 MB in the end (delta: 95.0 MB). Peak memory consumption was 200.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:06,114 INFO L168 Benchmark]: Witness Printer took 42.13 ms. Allocated memory is still 1.1 GB. Free memory was 963.4 MB in the beginning and 956.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:29:06,116 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.6 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -170.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.23 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.41 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 502.29 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 97973.04 ms. Allocated memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 963.4 MB in the end (delta: 95.0 MB). Peak memory consumption was 200.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.13 ms. Allocated memory is still 1.1 GB. Free memory was 963.4 MB in the beginning and 956.8 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 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 180 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 97.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 97.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 180 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 133 SDtfs, 126 SDslu, 119 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 864]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, ") "=0, "Off"=0, ")"=31, "libacc.c"=0, "__utac__get_this_argtype"=0, "__utac__get_this_argtype"=0, retValue_acc=0, "On"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, ") "=39, "Off"=12, methaneLevelCritical=0, "OK"=33, "__utac__get_this_argtype"=19, "i > 0 && i <= this->argsCount"=26, "\n"=0, tmp=0, "Env(Water:%i"=36, tmp___1=0, ",Meth:"=0, "OK"=0, "CRIT"=0, "Env(Water:%i"=0, tmp___0=0, "i > 0 && i <= this->argsCount"=22, cleanupTimeShifts=4, "libacc.c"=24, "libacc.c"=28, "i > 0 && i <= this->argsCount"=18, NULL=0, systemActive=1, waterLevel=1, \result=1, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2895c4f3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7579cdb5=0, ",Pump:"=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c07d5b3=0, ")"=0, "__utac__get_this_argtype"=16, "On"=0, "Pump(System:"=0, "On"=11, ",Pump:"=0, "Off"=0, retValue_acc=1, ",Meth:"=35, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, "Pump(System:"=15, "\n"=40, "__utac__get_this_arg"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d96ef6e=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ec7971=0, "libacc.c"=0, "__utac__get_this_arg"=23, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72b67ab5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77fd954f=155, tmp=1, retValue_acc=1, tmp___2=155, tmp___0=0, "i > 0 && i <= this->argsCount"=29, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33ed145=0, "CRIT"=34, head=0, tmp=0, "__utac__get_this_arg"=27, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "libacc.c"=17, "libacc.c"=20, "Off"=38, "On"=14} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 864]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L137] FCALL "Env(Water:%i" [L138] FCALL ",Meth:" [L142] FCALL "CRIT" [L146] FCALL "OK" [L150] FCALL ")" [L570] FCALL "i > 0 && i <= this->argsCount" [L570] FCALL "libacc.c" [L571] FCALL "__utac__get_this_arg" [L577] FCALL "i > 0 && i <= this->argsCount" [L577] FCALL "libacc.c" [L578] FCALL "__utac__get_this_arg" [L616] FCALL "i > 0 && i <= this->argsCount" [L616] FCALL "libacc.c" [L617] FCALL "__utac__get_this_argtype" [L623] FCALL "i > 0 && i <= this->argsCount" [L623] FCALL "libacc.c" [L624] FCALL "__utac__get_this_argtype" [L780] FCALL "Pump(System:" [L784] FCALL "On" [L788] FCALL "Off" [L792] FCALL ",Pump:" [L796] FCALL "On" [L800] FCALL "Off" [L804] FCALL ") " [L806] FCALL "\n" [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L174] int cleanupTimeShifts = 4; [L679] int pumpRunning = 0; [L680] int systemActive = 1; [L442] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L250] int retValue_acc ; [L251] int tmp ; [L255] FCALL select_helpers() [L256] FCALL select_features() [L257] CALL, EXPR valid_product() [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] RET return (retValue_acc); [L257] EXPR valid_product() [L257] tmp = valid_product() [L259] COND TRUE \read(tmp) [L261] FCALL setup() [L262] CALL runTest() [L244] CALL test() [L855] int splverifierCounter ; [L856] int tmp ; [L857] int tmp___0 ; [L858] int tmp___1 ; [L859] int tmp___2 ; [L862] splverifierCounter = 0 Loop: [L864] COND TRUE 1 [L866] COND TRUE splverifierCounter < 4 [L872] tmp = __VERIFIER_nondet_int() [L874] COND FALSE !(\read(tmp)) [L882] tmp___0 = __VERIFIER_nondet_int() [L884] COND FALSE !(\read(tmp___0)) [L892] tmp___2 = __VERIFIER_nondet_int() [L894] COND TRUE \read(tmp___2) [L896] CALL startSystem() [L849] RET systemActive = 1 [L896] startSystem() [L911] CALL timeShift() [L686] COND FALSE !(\read(pumpRunning)) [L693] COND TRUE \read(systemActive) [L695] CALL processEnvironment() [L715] int tmp ; [L718] COND FALSE !(\read(pumpRunning)) [L733] RET, FCALL processEnvironment__wrappee__base() [L695] processEnvironment() [L701] CALL __utac_acc__Specification4_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L655] CALL, EXPR getWaterLevel() [L156] int retValue_acc ; [L159] retValue_acc = waterLevel [L160] RET return (retValue_acc); [L655] EXPR getWaterLevel() [L655] tmp = getWaterLevel() [L657] COND FALSE, RET !(tmp == 0) [L701] RET __utac_acc__Specification4_spec__1() [L911] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...