./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 62215579489c65348c20dcb35d4d11bc17ff5b74 ...................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-11-28 21:11:30,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:11:30,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:11:30,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:11:30,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:11:30,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:11:30,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:11:30,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:11:30,328 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:11:30,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:11:30,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:11:30,335 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:11:30,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:11:30,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:11:30,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:11:30,343 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:11:30,344 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:11:30,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:11:30,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:11:30,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:11:30,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:11:30,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:11:30,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:11:30,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:11:30,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:11:30,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:11:30,355 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:11:30,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:11:30,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:11:30,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:11:30,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:11:30,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:11:30,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:11:30,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:11:30,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:11:30,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:11:30,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:11:30,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:11:30,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:11:30,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:11:30,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:11:30,365 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:11:30,392 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:11:30,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:11:30,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:11:30,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:11:30,398 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:11:30,398 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:11:30,399 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:11:30,399 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:11:30,399 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:11:30,399 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:11:30,401 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:11:30,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:11:30,401 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:11:30,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:11:30,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:11:30,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:11:30,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:11:30,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:11:30,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:11:30,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:11:30,404 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:11:30,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:11:30,404 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:11:30,405 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:11:30,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:11:30,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:11:30,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:11:30,406 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:11:30,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:11:30,406 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:11:30,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:11:30,408 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:11:30,409 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:11:30,410 INFO L138 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 62215579489c65348c20dcb35d4d11bc17ff5b74 [2019-11-28 21:11:30,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:11:30,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:11:30,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:11:30,739 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:11:30,739 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:11:30,740 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-11-28 21:11:30,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b3f9b45/44fd274788bb4b37b0b3eb99c6a598b6/FLAG5fea6bc43 [2019-11-28 21:11:31,347 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:11:31,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2019-11-28 21:11:31,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b3f9b45/44fd274788bb4b37b0b3eb99c6a598b6/FLAG5fea6bc43 [2019-11-28 21:11:31,656 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01b3f9b45/44fd274788bb4b37b0b3eb99c6a598b6 [2019-11-28 21:11:31,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:11:31,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:11:31,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:11:31,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:11:31,667 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:11:31,668 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:11:31" (1/1) ... [2019-11-28 21:11:31,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a9a379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:31, skipping insertion in model container [2019-11-28 21:11:31,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:11:31" (1/1) ... [2019-11-28 21:11:31,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:11:31,751 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:11:32,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:11:32,182 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:11:32,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:11:32,334 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:11:32,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32 WrapperNode [2019-11-28 21:11:32,335 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:11:32,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:11:32,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:11:32,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:11:32,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:11:32,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:11:32,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:11:32,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:11:32,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... [2019-11-28 21:11:32,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:11:32,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:11:32,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:11:32,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:11:32,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-11-28 21:11:32,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:11:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:11:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:11:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:11:33,879 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:11:33,879 INFO L287 CfgBuilder]: Removed 348 assume(true) statements. [2019-11-28 21:11:33,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:11:33 BoogieIcfgContainer [2019-11-28 21:11:33,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:11:33,882 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:11:33,882 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:11:33,886 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:11:33,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:11:33,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:11:31" (1/3) ... [2019-11-28 21:11:33,889 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d542a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:11:33, skipping insertion in model container [2019-11-28 21:11:33,889 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:11:33,889 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:11:32" (2/3) ... [2019-11-28 21:11:33,890 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d542a0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:11:33, skipping insertion in model container [2019-11-28 21:11:33,890 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:11:33,890 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:11:33" (3/3) ... [2019-11-28 21:11:33,893 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2019-11-28 21:11:33,950 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:11:33,952 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:11:33,952 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:11:33,952 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:11:33,952 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:11:33,953 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:11:33,953 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:11:33,953 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:11:33,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2019-11-28 21:11:34,035 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2019-11-28 21:11:34,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:11:34,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:11:34,044 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:11:34,044 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:11:34,044 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:11:34,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states. [2019-11-28 21:11:34,059 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2019-11-28 21:11:34,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:11:34,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:11:34,061 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:11:34,063 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:11:34,071 INFO L794 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 201#L74true 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; 114#L82true main_#t~ret75 := valid_product_#res;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 17#L984true assume 0 != main_~tmp~11; 169#L961true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 165#L518-1true [2019-11-28 21:11:34,072 INFO L796 eck$LassoCheckResult]: Loop: 165#L518-1true assume !false; 118#L352true assume test_~splverifierCounter~0 < 4; 152#L353true test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 38#L361true assume !(0 != test_~tmp~6); 41#L361-1true test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 203#L371true assume !(0 != test_~tmp___0~2); 205#L371-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 140#L381true assume 0 != test_~tmp___2~0; 138#L387-2true assume !(0 != ~pumpRunning~0); 156#L105true assume !(0 != ~systemActive~0); 213#L112true havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 168#L482true __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 163#L518true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 165#L518-1true [2019-11-28 21:11:34,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:34,079 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:11:34,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:34,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281387673] [2019-11-28 21:11:34,088 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:34,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:34,481 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:11:34,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:34,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1675126782, now seen corresponding path program 1 times [2019-11-28 21:11:34,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:34,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422008732] [2019-11-28 21:11:34,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:34,501 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:11:34,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:34,503 INFO L82 PathProgramCache]: Analyzing trace with hash 39152156, now seen corresponding path program 1 times [2019-11-28 21:11:34,503 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:34,504 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822489405] [2019-11-28 21:11:34,506 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:11:34,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:11:34,694 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822489405] [2019-11-28 21:11:34,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:11:34,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 21:11:34,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028422873] [2019-11-28 21:11:34,802 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:11:34,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 21:11:34,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 21:11:34,823 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 6 states. [2019-11-28 21:11:35,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:11:35,023 INFO L93 Difference]: Finished difference Result 222 states and 322 transitions. [2019-11-28 21:11:35,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 21:11:35,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 322 transitions. [2019-11-28 21:11:35,034 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-11-28 21:11:35,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2019-11-28 21:11:35,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2019-11-28 21:11:35,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2019-11-28 21:11:35,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2019-11-28 21:11:35,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:11:35,053 INFO L688 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2019-11-28 21:11:35,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2019-11-28 21:11:35,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2019-11-28 21:11:35,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2019-11-28 21:11:35,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2019-11-28 21:11:35,095 INFO L711 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2019-11-28 21:11:35,095 INFO L591 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2019-11-28 21:11:35,095 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:11:35,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2019-11-28 21:11:35,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2019-11-28 21:11:35,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:11:35,098 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:11:35,099 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:11:35,099 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:11:35,100 INFO L794 eck$LassoCheckResult]: Stem: 606#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 474#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 475#L74 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; 617#L82 main_#t~ret75 := valid_product_#res;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 490#L984 assume 0 != main_~tmp~11; 491#L961 havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 473#L518-1 [2019-11-28 21:11:35,100 INFO L796 eck$LassoCheckResult]: Loop: 473#L518-1 assume !false; 619#L352 assume test_~splverifierCounter~0 < 4; 620#L353 test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 526#L361 assume !(0 != test_~tmp~6); 528#L361-1 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 533#L371 assume !(0 != test_~tmp___0~2); 674#L371-1 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 637#L381 assume 0 != test_~tmp___2~0; 636#L387-2 assume !(0 != ~pumpRunning~0); 576#L105 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 649#L189 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 538#L163-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 539#L137-3 assume !(0 == ~pumpRunning~0); 530#L112 havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 654#L482 __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 653#L518 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 473#L518-1 [2019-11-28 21:11:35,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:35,101 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:11:35,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:35,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2094879406] [2019-11-28 21:11:35,102 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,214 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:11:35,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:35,215 INFO L82 PathProgramCache]: Analyzing trace with hash 391395521, now seen corresponding path program 1 times [2019-11-28 21:11:35,215 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:35,215 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839419917] [2019-11-28 21:11:35,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:11:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 21:11:35,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839419917] [2019-11-28 21:11:35,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:11:35,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 21:11:35,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078505671] [2019-11-28 21:11:35,232 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 21:11:35,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:11:35,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 21:11:35,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 21:11:35,233 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 Second operand 3 states. [2019-11-28 21:11:35,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:11:35,400 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2019-11-28 21:11:35,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 21:11:35,403 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2019-11-28 21:11:35,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-11-28 21:11:35,413 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2019-11-28 21:11:35,416 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2019-11-28 21:11:35,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2019-11-28 21:11:35,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2019-11-28 21:11:35,421 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:11:35,424 INFO L688 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2019-11-28 21:11:35,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2019-11-28 21:11:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2019-11-28 21:11:35,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-11-28 21:11:35,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2019-11-28 21:11:35,451 INFO L711 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2019-11-28 21:11:35,451 INFO L591 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2019-11-28 21:11:35,451 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 21:11:35,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2019-11-28 21:11:35,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2019-11-28 21:11:35,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:11:35,457 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:11:35,460 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:11:35,461 INFO L850 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, 1] [2019-11-28 21:11:35,461 INFO L794 eck$LassoCheckResult]: Stem: 1055#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(13);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string31.base, #t~string31.offset, 1);call write~init~int(77, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(101, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(116, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(104, #t~string31.base, 4 + #t~string31.offset, 1);call write~init~int(58, #t~string31.base, 5 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 6 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string33.base, #t~string33.offset, 1);call write~init~int(82, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(73, #t~string33.base, 2 + #t~string33.offset, 1);call write~init~int(84, #t~string33.base, 3 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 4 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string35.base, #t~string35.offset, 1);call write~init~int(75, #t~string35.base, 1 + #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 2 + #t~string35.offset, 1);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string37.base, #t~string37.offset, 1);call write~init~int(0, #t~string37.base, 1 + #t~string37.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 907#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 908#L74 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; 1063#L82 main_#t~ret75 := valid_product_#res;main_~tmp~11 := main_#t~ret75;havoc main_#t~ret75; 919#L984 assume 0 != main_~tmp~11; 920#L961 havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 906#L518-1 [2019-11-28 21:11:35,462 INFO L796 eck$LassoCheckResult]: Loop: 906#L518-1 assume !false; 990#L352 assume test_~splverifierCounter~0 < 4; 964#L353 test_~tmp~6 := test_#t~nondet24;havoc test_#t~nondet24; 965#L361 assume !(0 != test_~tmp~6); 932#L361-1 test_~tmp___0~2 := test_#t~nondet25;havoc test_#t~nondet25; 975#L371 assume !(0 != test_~tmp___0~2); 1066#L371-1 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 933#L381 assume 0 != test_~tmp___2~0; 897#L387-2 assume !(0 != ~pumpRunning~0); 902#L105 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 966#L189 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret2, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 983#L163-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret1, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 984#L137-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret22, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1026#L490-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1027#L495-3 isHighWaterLevel_#t~ret22 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret22;havoc isHighWaterLevel_#t~ret22; 1045#L308-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 1012#L308-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 999#L314-3 processEnvironment__wrappee__highWaterSensor_#t~ret1 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret1; 970#L141-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 971#L112 havoc __utac_acc__Specification4_spec__1_#t~ret38, __utac_acc__Specification4_spec__1_#t~ret39, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 996#L482 __utac_acc__Specification4_spec__1_#t~ret38 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret38;havoc __utac_acc__Specification4_spec__1_#t~ret38; 985#L518 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 906#L518-1 [2019-11-28 21:11:35,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:35,463 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 21:11:35,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:35,464 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517298523] [2019-11-28 21:11:35,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,626 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:11:35,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:35,627 INFO L82 PathProgramCache]: Analyzing trace with hash 697809965, now seen corresponding path program 1 times [2019-11-28 21:11:35,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:35,628 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879932483] [2019-11-28 21:11:35,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,651 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:11:35,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:11:35,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1951115091, now seen corresponding path program 1 times [2019-11-28 21:11:35,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:11:35,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817267423] [2019-11-28 21:11:35,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:11:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:11:35,782 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:11:35,928 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-28 21:11:59,362 WARN L192 SmtUtils]: Spent 23.37 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:12:13,156 WARN L192 SmtUtils]: Spent 13.79 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:12:13,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:12:13 BoogieIcfgContainer [2019-11-28 21:12:13,224 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:12:13,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:12:13,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:12:13,225 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:12:13,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:11:33" (3/4) ... [2019-11-28 21:12:13,229 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:12:13,292 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:12:13,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:12:13,295 INFO L168 Benchmark]: Toolchain (without parser) took 41633.54 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 955.0 MB in the beginning and 1.3 GB in the end (delta: -301.6 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:12:13,295 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:12:13,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 673.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:12:13,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:12:13,298 INFO L168 Benchmark]: Boogie Preprocessor took 67.79 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:12:13,298 INFO L168 Benchmark]: RCFGBuilder took 1364.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.7 MB). Peak memory consumption was 92.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:12:13,299 INFO L168 Benchmark]: BuchiAutomizer took 39342.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -242.5 MB). Peak memory consumption was 375.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:12:13,300 INFO L168 Benchmark]: Witness Printer took 68.48 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:12:13,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 673.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.07 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 67.79 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1364.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 92.7 MB). Peak memory consumption was 92.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39342.14 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 188.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -242.5 MB). Peak memory consumption was 375.5 MB. Max. memory is 11.5 GB. * Witness Printer took 68.48 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. 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 6 locations. The remainder module has 211 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 38.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 215 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 539 SDtfs, 1127 SDslu, 77 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s 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: 351]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1143} State at position 1 is {NULL=1150, NULL=0, NULL=0, NULL=0, NULL=1143, NULL=1149, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11deccb8=0, NULL=3447, NULL=0, NULL=0, NULL=3446, NULL=1146, NULL=1147, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69253c65=0, NULL=3450, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4770dd9=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=3444, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30257ac1=0, tmp=0, NULL=3453, NULL=0, tmp___1=0, NULL=3455, tmp=0, cleanupTimeShifts=4, NULL=3457, tmp=1, tmp___0=0, NULL=1145, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=3448, \result=1, NULL=3456, \result=0, NULL=3442, NULL=0, \result=1, retValue_acc=0, head=0, pumpRunning=0, retValue_acc=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4731a5e7=0, NULL=3449, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@658defbd=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d10aba5=53, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5552856a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d2967de=0, NULL=1144, NULL=0, \result=1, NULL=3452, NULL=3445, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f6269f1=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4dd1a988=0, retValue_acc=1, tmp=1, retValue_acc=1, tmp___2=53, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=1148, NULL=1152, NULL=3451, tmp=0, head=0, tmp=0, NULL=3454, NULL=0, NULL=0, NULL=0, NULL=0, NULL=3443, NULL=1151} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L97] int pumpRunning = 0; [L98] int systemActive = 1; [L407] int waterLevel = 1; [L408] int methaneLevelCritical = 0; [L705] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L902] int cleanupTimeShifts = 4; [L975] int retValue_acc ; [L976] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L982] tmp = valid_product() [L984] COND TRUE \read(tmp) [L342] int splverifierCounter ; [L343] int tmp ; [L344] int tmp___0 ; [L345] int tmp___1 ; [L346] int tmp___2 ; [L349] splverifierCounter = 0 Loop: [L351] COND TRUE 1 [L353] COND TRUE splverifierCounter < 4 [L359] tmp = __VERIFIER_nondet_int() [L361] COND FALSE !(\read(tmp)) [L369] tmp___0 = __VERIFIER_nondet_int() [L371] COND FALSE !(\read(tmp___0)) [L379] tmp___2 = __VERIFIER_nondet_int() [L381] COND TRUE \read(tmp___2) [L105] COND FALSE !(\read(pumpRunning)) [L112] COND TRUE \read(systemActive) [L186] int tmp ; [L189] COND FALSE !(\read(pumpRunning)) [L160] int tmp ; [L163] COND FALSE !(\read(pumpRunning)) [L134] int tmp ; [L137] COND TRUE ! pumpRunning [L300] int retValue_acc ; [L301] int tmp ; [L302] int tmp___0 ; [L487] int retValue_acc ; [L490] COND TRUE waterLevel < 2 [L491] retValue_acc = 1 [L492] return (retValue_acc); [L306] tmp = isHighWaterSensorDry() [L308] COND TRUE \read(tmp) [L309] tmp___0 = 0 [L313] retValue_acc = tmp___0 [L314] return (retValue_acc); [L139] tmp = isHighWaterLevel() [L141] COND FALSE !(\read(tmp)) [L511] int tmp ; [L512] int tmp___0 ; [L478] int retValue_acc ; [L481] retValue_acc = waterLevel [L482] return (retValue_acc); [L516] tmp = getWaterLevel() [L518] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...