./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab 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_spec1_product13.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 06e1bbb05b064353049072459310c7da1eede934 ................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-30f4e4a [2019-11-28 03:25:12,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:25:12,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:25:12,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:25:12,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:25:12,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:25:12,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:25:12,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:25:12,474 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:25:12,477 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:25:12,479 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:25:12,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:25:12,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:25:12,486 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:25:12,487 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:25:12,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:25:12,489 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:25:12,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:25:12,491 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:25:12,493 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:25:12,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:25:12,496 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:25:12,497 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:25:12,498 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:25:12,500 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:25:12,500 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:25:12,501 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:25:12,502 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:25:12,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:25:12,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:25:12,503 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:25:12,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:25:12,505 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:25:12,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:25:12,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:25:12,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:25:12,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:25:12,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:25:12,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:25:12,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:25:12,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:25:12,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:25:12,546 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:25:12,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:25:12,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:25:12,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:25:12,550 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:25:12,550 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:25:12,551 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:25:12,551 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:25:12,551 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:25:12,551 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:25:12,552 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:25:12,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:25:12,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:25:12,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:25:12,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:25:12,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:25:12,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:25:12,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:25:12,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:25:12,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:25:12,554 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:25:12,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:25:12,555 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:25:12,555 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:25:12,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:25:12,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:25:12,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:25:12,557 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:25:12,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:25:12,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:25:12,557 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:25:12,558 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:25:12,559 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 -> 06e1bbb05b064353049072459310c7da1eede934 [2019-11-28 03:25:12,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:25:12,893 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:25:12,897 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:25:12,898 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:25:12,899 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:25:12,899 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-11-28 03:25:12,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84481c9de/efea1e46a0d74edd87641f4762b4d313/FLAG2114c3403 [2019-11-28 03:25:13,500 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:25:13,503 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c [2019-11-28 03:25:13,515 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84481c9de/efea1e46a0d74edd87641f4762b4d313/FLAG2114c3403 [2019-11-28 03:25:13,847 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84481c9de/efea1e46a0d74edd87641f4762b4d313 [2019-11-28 03:25:13,851 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:25:13,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:25:13,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:13,854 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:25:13,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:25:13,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:13" (1/1) ... [2019-11-28 03:25:13,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf4c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:13, skipping insertion in model container [2019-11-28 03:25:13,863 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:13" (1/1) ... [2019-11-28 03:25:13,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:25:13,930 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:25:14,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:14,309 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:25:14,400 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:14,444 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:25:14,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14 WrapperNode [2019-11-28 03:25:14,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:14,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:14,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:25:14,446 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:25:14,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:14,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:25:14,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:25:14,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:25:14,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (1/1) ... [2019-11-28 03:25:14,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:25:14,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:25:14,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:25:14,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:25:14,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (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 03:25:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:25:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:25:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:25:14,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:25:15,363 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:25:15,363 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 03:25:15,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:15 BoogieIcfgContainer [2019-11-28 03:25:15,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:25:15,365 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:25:15,366 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:25:15,369 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:25:15,370 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:15,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:25:13" (1/3) ... [2019-11-28 03:25:15,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cdac31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:15, skipping insertion in model container [2019-11-28 03:25:15,372 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:15,372 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:14" (2/3) ... [2019-11-28 03:25:15,372 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cdac31f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:15, skipping insertion in model container [2019-11-28 03:25:15,373 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:15,373 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:15" (3/3) ... [2019-11-28 03:25:15,375 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product13.cil.c [2019-11-28 03:25:15,422 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:25:15,422 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:25:15,423 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:25:15,423 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:25:15,423 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:25:15,423 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:25:15,423 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:25:15,424 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:25:15,441 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-28 03:25:15,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 03:25:15,468 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:15,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:15,476 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:15,476 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:15,477 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:25:15,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-28 03:25:15,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 03:25:15,483 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:15,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:15,484 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:15,484 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:15,489 INFO L794 eck$LassoCheckResult]: Stem: 43#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 14#L-1true havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 5#L526true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 38#L534true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 64#L624true assume 0 != main_~tmp~3; 34#L600true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 26#L647-1true [2019-11-28 03:25:15,490 INFO L796 eck$LassoCheckResult]: Loop: 26#L647-1true assume !false; 3#L676true assume test_~splverifierCounter~0 < 4; 46#L677true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 49#L685true assume !(0 != test_~tmp~5); 52#L685-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 36#L695true assume !(0 != test_~tmp___0~1); 39#L695-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 10#L705true assume 0 != test_~tmp___2~0; 59#L711-2true assume !(0 != ~pumpRunning~0); 33#L739true assume !(0 != ~systemActive~0); 42#L746true havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 57#L455-1true __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 21#L647true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 26#L647-1true [2019-11-28 03:25:15,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:15,498 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:25:15,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:15,509 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752614325] [2019-11-28 03:25:15,509 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:15,891 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:15,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:15,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2019-11-28 03:25:15,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:15,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569869154] [2019-11-28 03:25:15,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:15,912 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:15,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:15,914 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2019-11-28 03:25:15,914 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:15,915 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103506242] [2019-11-28 03:25:15,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:15,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:25:16,128 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 03:25:16,128 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103506242] [2019-11-28 03:25:16,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:25:16,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:25:16,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513981511] [2019-11-28 03:25:16,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:25:16,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:25:16,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:25:16,243 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2019-11-28 03:25:16,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:25:16,426 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2019-11-28 03:25:16,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:25:16,432 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2019-11-28 03:25:16,435 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-28 03:25:16,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-11-28 03:25:16,442 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-11-28 03:25:16,442 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-11-28 03:25:16,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-11-28 03:25:16,444 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:25:16,444 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 03:25:16,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-11-28 03:25:16,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-28 03:25:16,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-28 03:25:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-11-28 03:25:16,481 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 03:25:16,482 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 03:25:16,482 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:25:16,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-11-28 03:25:16,488 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-28 03:25:16,488 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:16,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:16,490 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:16,490 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:16,490 INFO L794 eck$LassoCheckResult]: Stem: 201#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 176#L-1 havoc main_#res;havoc main_#t~ret46, main_~retValue_acc~7, main_~tmp~3;havoc main_~retValue_acc~7;havoc main_~tmp~3; 155#L526 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 156#L534 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 199#L624 assume 0 != main_~tmp~3; 194#L600 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 187#L647-1 [2019-11-28 03:25:16,491 INFO L796 eck$LassoCheckResult]: Loop: 187#L647-1 assume !false; 150#L676 assume test_~splverifierCounter~0 < 4; 151#L677 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 202#L685 assume !(0 != test_~tmp~5); 205#L685-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 198#L695 assume !(0 != test_~tmp___0~1); 192#L695-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 169#L705 assume 0 != test_~tmp___2~0; 170#L711-2 assume !(0 != ~pumpRunning~0); 193#L739 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 160#L771 assume !(0 != ~pumpRunning~0); 161#L746 havoc __utac_acc__Specification1_spec__1_#t~ret47, __utac_acc__Specification1_spec__1_#t~ret48, __utac_acc__Specification1_spec__1_~tmp~4, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~4;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 200#L455-1 __utac_acc__Specification1_spec__1_#t~ret47 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~4 := __utac_acc__Specification1_spec__1_#t~ret47;havoc __utac_acc__Specification1_spec__1_#t~ret47; 186#L647 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4); 187#L647-1 [2019-11-28 03:25:16,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:16,492 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:25:16,492 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:16,493 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995029668] [2019-11-28 03:25:16,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:16,638 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:16,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:16,639 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2019-11-28 03:25:16,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:16,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247149805] [2019-11-28 03:25:16,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:16,652 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:16,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:16,653 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2019-11-28 03:25:16,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:16,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096513834] [2019-11-28 03:25:16,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:16,788 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:47,064 WARN L192 SmtUtils]: Spent 30.19 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:26:02,033 WARN L192 SmtUtils]: Spent 14.96 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:26:02,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:26:02 BoogieIcfgContainer [2019-11-28 03:26:02,107 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:26:02,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:26:02,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:26:02,108 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:26:02,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:15" (3/4) ... [2019-11-28 03:26:02,112 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:26:02,171 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:26:02,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:26:02,173 INFO L168 Benchmark]: Toolchain (without parser) took 48320.66 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.7 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -283.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:02,174 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:02,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:02,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.73 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:02,176 INFO L168 Benchmark]: Boogie Preprocessor took 36.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:02,177 INFO L168 Benchmark]: RCFGBuilder took 816.02 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:02,178 INFO L168 Benchmark]: BuchiAutomizer took 46741.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -198.5 MB). Peak memory consumption was 365.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:02,179 INFO L168 Benchmark]: Witness Printer took 64.07 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:02,183 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 591.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -167.2 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.73 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: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 816.02 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: 64.3 MB). Peak memory consumption was 64.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46741.56 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -198.5 MB). Peak memory consumption was 365.2 MB. Max. memory is 11.5 GB. * Witness Printer took 64.07 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 46.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 46.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 675]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=5050} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49bceb34=0, NULL=0, NULL=0, NULL=5050, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77711624=0, NULL=5061, NULL=0, NULL=0, NULL=5068, retValue_acc=0, NULL=5072, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14e57b12=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79ab764f=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4040e9aa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@911e25f=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e114da3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73bbf74c=0, NULL=0, NULL=0, tmp=0, NULL=0, tmp___1=0, NULL=5065, NULL=5054, NULL=5053, tmp___0=0, NULL=5064, NULL=5051, cleanupTimeShifts=4, NULL=5075, NULL=5069, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=5062, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=5073, NULL=0, \result=1, NULL=5057, head=0, pumpRunning=0, NULL=5052, \result=0, NULL=5056, tmp=1, NULL=0, NULL=0, tmp=0, NULL=0, retValue_acc=1, NULL=5063, NULL=5067, NULL=5059, NULL=0, tmp___2=55, NULL=5058, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=5074, head=0, NULL=0, NULL=5055, tmp=0, NULL=5060, NULL=0, NULL=5070, NULL=0, NULL=0, NULL=5071, NULL=5066} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L412] int waterLevel = 1; [L413] int methaneLevelCritical = 0; [L539] int cleanupTimeShifts = 4; [L732] int pumpRunning = 0; [L733] int systemActive = 1; [L615] int retValue_acc ; [L616] int tmp ; [L530] int retValue_acc ; [L533] retValue_acc = 1 [L534] return (retValue_acc); [L622] tmp = valid_product() [L624] COND TRUE \read(tmp) [L666] int splverifierCounter ; [L667] int tmp ; [L668] int tmp___0 ; [L669] int tmp___1 ; [L670] int tmp___2 ; [L673] splverifierCounter = 0 Loop: [L675] COND TRUE 1 [L677] COND TRUE splverifierCounter < 4 [L683] tmp = __VERIFIER_nondet_int() [L685] COND FALSE !(\read(tmp)) [L693] tmp___0 = __VERIFIER_nondet_int() [L695] COND FALSE !(\read(tmp___0)) [L703] tmp___2 = __VERIFIER_nondet_int() [L705] COND TRUE \read(tmp___2) [L739] COND FALSE !(\read(pumpRunning)) [L746] COND TRUE \read(systemActive) [L768] int tmp ; [L771] COND FALSE !(\read(pumpRunning)) [L640] int tmp ; [L641] int tmp___0 ; [L451] int retValue_acc ; [L454] retValue_acc = methaneLevelCritical [L455] return (retValue_acc); [L645] tmp = isMethaneLevelCritical() [L647] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...