./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/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 df71f9423988e08c5bf2798ccf3c66e61eefb63f .................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-635dfa2 [2018-12-08 17:16:17,306 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:16:17,307 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:16:17,316 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:16:17,316 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:16:17,316 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:16:17,317 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:16:17,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:16:17,319 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:16:17,320 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:16:17,321 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:16:17,321 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:16:17,322 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:16:17,322 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:16:17,323 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:16:17,324 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:16:17,324 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:16:17,326 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:16:17,327 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:16:17,328 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:16:17,329 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:16:17,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:16:17,332 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:16:17,332 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:16:17,332 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:16:17,333 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:16:17,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:16:17,334 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:16:17,335 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:16:17,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:16:17,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:16:17,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:16:17,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:16:17,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:16:17,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:16:17,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:16:17,338 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 17:16:17,350 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:16:17,350 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:16:17,351 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 17:16:17,351 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 17:16:17,351 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 17:16:17,351 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 17:16:17,351 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 17:16:17,351 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 17:16:17,352 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 17:16:17,352 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 17:16:17,352 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 17:16:17,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:16:17,352 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:16:17,352 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 17:16:17,352 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:16:17,353 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:16:17,354 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 17:16:17,354 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 17:16:17,354 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 17:16:17,354 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:16:17,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:16:17,354 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 17:16:17,355 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:16:17,355 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 17:16:17,355 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 17:16:17,355 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 17:16:17,356 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_dd1dd110-d04a-4c28-95f3-8254e4ab7968/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 -> df71f9423988e08c5bf2798ccf3c66e61eefb63f [2018-12-08 17:16:17,375 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:16:17,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:16:17,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:16:17,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:16:17,388 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:16:17,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-12-08 17:16:17,431 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/data/89a0ccaf2/dda79e5d60e549938bccef93d3e2bb20/FLAGb28836a3c [2018-12-08 17:16:17,862 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:16:17,863 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/sv-benchmarks/c/product-lines/minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-12-08 17:16:17,870 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/data/89a0ccaf2/dda79e5d60e549938bccef93d3e2bb20/FLAGb28836a3c [2018-12-08 17:16:17,880 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/data/89a0ccaf2/dda79e5d60e549938bccef93d3e2bb20 [2018-12-08 17:16:17,882 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:16:17,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:16:17,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:16:17,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:16:17,885 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:16:17,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:16:17" (1/1) ... [2018-12-08 17:16:17,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:17, skipping insertion in model container [2018-12-08 17:16:17,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:16:17" (1/1) ... [2018-12-08 17:16:17,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:16:17,918 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:16:18,075 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:16:18,116 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:16:18,173 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:16:18,192 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:16:18,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18 WrapperNode [2018-12-08 17:16:18,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:16:18,193 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:16:18,193 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:16:18,194 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:16:18,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:16:18,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:16:18,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:16:18,237 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:16:18,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,258 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... [2018-12-08 17:16:18,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:16:18,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:16:18,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:16:18,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:16:18,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/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 [2018-12-08 17:16:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 17:16:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 17:16:18,300 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:16:18,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:16:18,589 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:16:18,589 INFO L280 CfgBuilder]: Removed 112 assue(true) statements. [2018-12-08 17:16:18,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:16:18 BoogieIcfgContainer [2018-12-08 17:16:18,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:16:18,590 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 17:16:18,590 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 17:16:18,593 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 17:16:18,594 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 17:16:18,594 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 05:16:17" (1/3) ... [2018-12-08 17:16:18,595 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ceaaa2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 05:16:18, skipping insertion in model container [2018-12-08 17:16:18,595 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 17:16:18,595 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:16:18" (2/3) ... [2018-12-08 17:16:18,595 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4ceaaa2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 05:16:18, skipping insertion in model container [2018-12-08 17:16:18,596 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 17:16:18,596 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:16:18" (3/3) ... [2018-12-08 17:16:18,597 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product26_true-unreach-call_false-termination.cil.c [2018-12-08 17:16:18,634 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 17:16:18,634 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 17:16:18,634 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 17:16:18,634 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 17:16:18,635 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:16:18,635 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:16:18,635 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 17:16:18,635 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:16:18,635 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 17:16:18,645 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-12-08 17:16:18,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-08 17:16:18,661 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:16:18,661 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:16:18,666 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:18,666 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:18,666 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 17:16:18,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 81 states. [2018-12-08 17:16:18,669 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2018-12-08 17:16:18,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:16:18,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:16:18,670 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:18,670 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:18,673 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 4#L793true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 30#L801true main_#t~ret70 := valid_product_#res;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 52#L890true assume 0 != main_~tmp~7; 65#L865true ~switchedOnBeforeTS~0 := 0; 5#L910true havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 61#L931-1true [2018-12-08 17:16:18,673 INFO L796 eck$LassoCheckResult]: Loop: 61#L931-1true assume !false; 76#L712true assume test_~splverifierCounter~0 < 4; 16#L713true test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 35#L721true assume !(0 != test_~tmp~6); 38#L721-1true test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 23#L731true assume !(0 != test_~tmp___0~1); 26#L731-1true test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 81#L741true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 13#L749-2true havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 8#L632true __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 59#L920true assume !(0 != ~pumpRunning~0); 79#L529true assume !(0 != ~systemActive~0); 60#L536true havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 42#L122true __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 57#L931true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 61#L931-1true [2018-12-08 17:16:18,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:18,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-12-08 17:16:18,679 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:18,679 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:18,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:16:18,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:18,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:18,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1011284045, now seen corresponding path program 1 times [2018-12-08 17:16:18,802 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:18,802 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:18,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:16:18,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:16:18,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:16:18,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:16:18,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:16:18,835 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-08 17:16:18,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:16:18,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:16:18,845 INFO L87 Difference]: Start difference. First operand 81 states. Second operand 3 states. [2018-12-08 17:16:18,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:16:18,868 INFO L93 Difference]: Finished difference Result 81 states and 110 transitions. [2018-12-08 17:16:18,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:16:18,870 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 110 transitions. [2018-12-08 17:16:18,871 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-12-08 17:16:18,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 74 states and 102 transitions. [2018-12-08 17:16:18,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 74 [2018-12-08 17:16:18,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 74 [2018-12-08 17:16:18,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 74 states and 102 transitions. [2018-12-08 17:16:18,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 17:16:18,877 INFO L705 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2018-12-08 17:16:18,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states and 102 transitions. [2018-12-08 17:16:18,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-12-08 17:16:18,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-08 17:16:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 102 transitions. [2018-12-08 17:16:18,900 INFO L728 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2018-12-08 17:16:18,900 INFO L608 BuchiCegarLoop]: Abstraction has 74 states and 102 transitions. [2018-12-08 17:16:18,900 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-08 17:16:18,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 102 transitions. [2018-12-08 17:16:18,901 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-12-08 17:16:18,901 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:16:18,901 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:16:18,902 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:18,902 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:18,902 INFO L794 eck$LassoCheckResult]: Stem: 215#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 191#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 173#L793 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 174#L801 main_#t~ret70 := valid_product_#res;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 213#L890 assume 0 != main_~tmp~7; 232#L865 ~switchedOnBeforeTS~0 := 0; 177#L910 havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 178#L931-1 [2018-12-08 17:16:18,902 INFO L796 eck$LassoCheckResult]: Loop: 178#L931-1 assume !false; 240#L712 assume test_~splverifierCounter~0 < 4; 192#L713 test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 193#L721 assume !(0 != test_~tmp~6); 198#L721-1 test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 203#L731 assume !(0 != test_~tmp___0~1); 205#L731-1 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 208#L741 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 184#L749-2 havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 179#L632 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 180#L920 assume !(0 != ~pumpRunning~0); 238#L529 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 227#L561 assume !(0 != ~pumpRunning~0); 228#L536 havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 218#L122 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 219#L931 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8); 178#L931-1 [2018-12-08 17:16:18,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:18,903 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-12-08 17:16:18,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:18,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:18,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:16:18,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:18,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1258041219, now seen corresponding path program 1 times [2018-12-08 17:16:18,961 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:18,961 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:18,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,962 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:16:18,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:18,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:18,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:18,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1083280585, now seen corresponding path program 1 times [2018-12-08 17:16:18,970 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:18,970 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:18,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:16:18,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:16:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:16:19,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:16:19,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:16:19,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:16:19,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:16:19,090 INFO L87 Difference]: Start difference. First operand 74 states and 102 transitions. cyclomatic complexity: 30 Second operand 5 states. [2018-12-08 17:16:19,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:16:19,206 INFO L93 Difference]: Finished difference Result 210 states and 288 transitions. [2018-12-08 17:16:19,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 17:16:19,207 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 288 transitions. [2018-12-08 17:16:19,209 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 95 [2018-12-08 17:16:19,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 288 transitions. [2018-12-08 17:16:19,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2018-12-08 17:16:19,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2018-12-08 17:16:19,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 288 transitions. [2018-12-08 17:16:19,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-08 17:16:19,212 INFO L705 BuchiCegarLoop]: Abstraction has 210 states and 288 transitions. [2018-12-08 17:16:19,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 288 transitions. [2018-12-08 17:16:19,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 141. [2018-12-08 17:16:19,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-08 17:16:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 190 transitions. [2018-12-08 17:16:19,217 INFO L728 BuchiCegarLoop]: Abstraction has 141 states and 190 transitions. [2018-12-08 17:16:19,218 INFO L608 BuchiCegarLoop]: Abstraction has 141 states and 190 transitions. [2018-12-08 17:16:19,218 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-08 17:16:19,218 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 190 transitions. [2018-12-08 17:16:19,218 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 95 [2018-12-08 17:16:19,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 17:16:19,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 17:16:19,219 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:19,219 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:16:19,219 INFO L794 eck$LassoCheckResult]: Stem: 515#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;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(21);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(21);call #t~string37.base, #t~string37.offset := #Ultimate.alloc(30);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(9);call #t~string39.base, #t~string39.offset := #Ultimate.alloc(25);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(30);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(9);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string49.base, #t~string49.offset := #Ultimate.alloc(13);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 491#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 473#L793 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 474#L801 main_#t~ret70 := valid_product_#res;main_~tmp~7 := main_#t~ret70;havoc main_#t~ret70; 513#L890 assume 0 != main_~tmp~7; 535#L865 ~switchedOnBeforeTS~0 := 0; 475#L910 havoc test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, test_#t~nondet68, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 476#L931-1 [2018-12-08 17:16:19,219 INFO L796 eck$LassoCheckResult]: Loop: 476#L931-1 assume !false; 548#L712 assume test_~splverifierCounter~0 < 4; 492#L713 test_~tmp~6 := test_#t~nondet65;havoc test_#t~nondet65; 493#L721 assume !(0 != test_~tmp~6); 516#L721-1 test_~tmp___0~1 := test_#t~nondet66;havoc test_#t~nondet66; 503#L731 assume !(0 != test_~tmp___0~1); 505#L731-1 test_~tmp___2~0 := test_#t~nondet67;havoc test_#t~nondet67; 508#L741 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 605#L749-2 havoc __utac_acc__Specification5_spec__2_#t~ret71;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 604#L632 __utac_acc__Specification5_spec__2_#t~ret71 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret71;havoc __utac_acc__Specification5_spec__2_#t~ret71; 603#L920 assume !(0 != ~pumpRunning~0); 563#L529 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 530#L561 assume !(0 != ~pumpRunning~0); 531#L536 havoc __utac_acc__Specification5_spec__3_#t~ret72, __utac_acc__Specification5_spec__3_#t~ret73, __utac_acc__Specification5_spec__3_~tmp~8, __utac_acc__Specification5_spec__3_~tmp___0~2;havoc __utac_acc__Specification5_spec__3_~tmp~8;havoc __utac_acc__Specification5_spec__3_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 547#L122 __utac_acc__Specification5_spec__3_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~8 := __utac_acc__Specification5_spec__3_#t~ret72;havoc __utac_acc__Specification5_spec__3_#t~ret72; 542#L931 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~7;havoc isPumpRunning_~retValue_acc~7;isPumpRunning_~retValue_acc~7 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~7; 543#L632-1 __utac_acc__Specification5_spec__3_#t~ret73 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~2 := __utac_acc__Specification5_spec__3_#t~ret73;havoc __utac_acc__Specification5_spec__3_#t~ret73; 562#L935 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2); 476#L931-1 [2018-12-08 17:16:19,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:19,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-12-08 17:16:19,220 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:19,220 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:19,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:19,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:16:19,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:19,246 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:19,246 INFO L82 PathProgramCache]: Analyzing trace with hash 2091787166, now seen corresponding path program 1 times [2018-12-08 17:16:19,246 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:19,246 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:19,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:19,247 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 17:16:19,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:19,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:16:19,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1650542436, now seen corresponding path program 1 times [2018-12-08 17:16:19,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 17:16:19,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 17:16:19,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:19,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:16:19,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:16:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 17:16:23,468 WARN L180 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-12-08 17:16:25,579 WARN L180 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 425 [2018-12-08 17:16:25,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 05:16:25 BoogieIcfgContainer [2018-12-08 17:16:25,610 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 17:16:25,610 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:16:25,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:16:25,610 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:16:25,611 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:16:18" (3/4) ... [2018-12-08 17:16:25,613 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-08 17:16:25,641 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dd1dd110-d04a-4c28-95f3-8254e4ab7968/bin-2019/uautomizer/witness.graphml [2018-12-08 17:16:25,641 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:16:25,642 INFO L168 Benchmark]: Toolchain (without parser) took 7759.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 951.7 MB in the beginning and 890.9 MB in the end (delta: 60.8 MB). Peak memory consumption was 214.4 MB. Max. memory is 11.5 GB. [2018-12-08 17:16:25,642 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:16:25,642 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-08 17:16:25,643 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.14 ms. Allocated memory is still 1.1 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. [2018-12-08 17:16:25,643 INFO L168 Benchmark]: Boogie Preprocessor took 26.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:16:25,643 INFO L168 Benchmark]: RCFGBuilder took 326.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-08 17:16:25,643 INFO L168 Benchmark]: BuchiAutomizer took 7019.91 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.0 GB in the beginning and 897.1 MB in the end (delta: 135.5 MB). Peak memory consumption was 253.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:16:25,643 INFO L168 Benchmark]: Witness Printer took 31.11 ms. Allocated memory is still 1.2 GB. Free memory was 897.1 MB in the beginning and 890.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-12-08 17:16:25,645 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -135.6 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.14 ms. Allocated memory is still 1.1 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 26.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 326.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7019.91 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 50.3 MB). Free memory was 1.0 GB in the beginning and 897.1 MB in the end (delta: 135.5 MB). Peak memory consumption was 253.6 MB. Max. memory is 11.5 GB. * Witness Printer took 31.11 ms. Allocated memory is still 1.2 GB. Free memory was 897.1 MB in the beginning and 890.9 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 141 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 6.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 69 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 141 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 263 SDtfs, 426 SDslu, 298 SDs, 0 SdLazy, 85 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 711]: 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, NULL=33, NULL=40, NULL=0, NULL=0, NULL=0, NULL=24, NULL=0, NULL=34, NULL=22, NULL=0, methaneLevelCritical=0, NULL=23, retValue_acc=1, tmp=1, NULL=11, NULL=38, tmp=0, tmp___1=0, NULL=31, NULL=15, NULL=39, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=37, NULL=19, \result=0, NULL=12, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e7b6ddf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8fb6dbc=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp___0=0, NULL=29, NULL=27, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ebe25ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2c8d22bb=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57d1c47b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29032c23=56, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15478caa=0, NULL=20, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59e071b5=0, NULL=17, tmp___2=56, NULL=18, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=28, NULL=36, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59b70b2e=0, head=0, NULL=0, NULL=35, NULL=0, NULL=0, NULL=26, NULL=0, NULL=14, retValue_acc=0, NULL=16} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L517] int pumpRunning = 0; [L518] int systemActive = 1; [L806] int cleanupTimeShifts = 4; [L904] int switchedOnBeforeTS ; [L881] int retValue_acc ; [L882] int tmp ; [L797] int retValue_acc ; [L800] retValue_acc = 1 [L801] return (retValue_acc); [L888] tmp = valid_product() [L890] COND TRUE \read(tmp) [L909] switchedOnBeforeTS = 0 [L702] int splverifierCounter ; [L703] int tmp ; [L704] int tmp___0 ; [L705] int tmp___1 ; [L706] int tmp___2 ; [L709] splverifierCounter = 0 Loop: [L711] COND TRUE 1 [L713] COND TRUE splverifierCounter < 4 [L719] tmp = __VERIFIER_nondet_int() [L721] COND FALSE !(\read(tmp)) [L729] tmp___0 = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp___0)) [L739] tmp___2 = __VERIFIER_nondet_int() [L741] COND TRUE \read(tmp___2) [L695] systemActive = 1 [L628] int retValue_acc ; [L631] retValue_acc = pumpRunning [L632] return (retValue_acc); [L918] switchedOnBeforeTS = isPumpRunning() [L529] COND FALSE !(\read(pumpRunning)) [L536] COND TRUE \read(systemActive) [L558] int tmp ; [L561] COND FALSE !(\read(pumpRunning)) [L924] int tmp ; [L925] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L929] tmp = getWaterLevel() [L931] COND TRUE tmp != 2 [L628] int retValue_acc ; [L631] retValue_acc = pumpRunning [L632] return (retValue_acc); [L933] tmp___0 = isPumpRunning() [L935] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...