./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 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_product19.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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.24-678e011 [2019-11-19 22:29:28,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:29:28,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:29:28,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:29:28,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:29:28,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:29:28,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:29:28,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:29:28,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:29:28,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:29:28,624 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:29:28,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:29:28,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:29:28,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:29:28,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:29:28,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:29:28,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:29:28,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:29:28,639 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:29:28,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:29:28,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:29:28,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:29:28,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:29:28,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:29:28,658 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:29:28,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:29:28,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:29:28,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:29:28,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:29:28,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:29:28,662 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:29:28,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:29:28,663 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:29:28,664 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:29:28,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:29:28,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:29:28,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:29:28,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:29:28,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:29:28,668 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:29:28,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:29:28,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:29:28,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:29:28,708 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:29:28,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:29:28,711 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:29:28,712 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:29:28,713 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:29:28,713 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:29:28,713 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:29:28,714 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:29:28,714 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:29:28,715 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:29:28,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:29:28,716 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:29:28,716 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:29:28,716 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:29:28,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:29:28,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:29:28,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:29:28,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:29:28,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:29:28,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:29:28,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:29:28,718 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:29:28,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:29:28,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:29:28,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:29:28,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:29:28,720 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:29:28,720 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:29:28,721 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:29:28,721 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:29:28,723 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:29:28,724 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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2019-11-19 22:29:29,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:29:29,030 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:29:29,034 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:29:29,035 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:29:29,036 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:29:29,037 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-11-19 22:29:29,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ae7747c/79e5c9f9ba2449178c436a352ef59708/FLAG101b5eaba [2019-11-19 22:29:29,586 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:29:29,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product19.cil.c [2019-11-19 22:29:29,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ae7747c/79e5c9f9ba2449178c436a352ef59708/FLAG101b5eaba [2019-11-19 22:29:29,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85ae7747c/79e5c9f9ba2449178c436a352ef59708 [2019-11-19 22:29:29,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:29:29,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:29:29,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:29:29,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:29:29,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:29:29,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:29:29" (1/1) ... [2019-11-19 22:29:29,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191da8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:29, skipping insertion in model container [2019-11-19 22:29:29,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:29:29" (1/1) ... [2019-11-19 22:29:29,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:29:30,035 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:29:30,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:29:30,472 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:29:30,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:29:30,601 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:29:30,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30 WrapperNode [2019-11-19 22:29:30,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:29:30,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:29:30,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:29:30,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:29:30,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,677 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:29:30,677 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:29:30,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:29:30,678 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:29:30,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (1/1) ... [2019-11-19 22:29:30,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:29:30,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:29:30,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:29:30,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:29:30,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (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 [2019-11-19 22:29:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:29:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:29:30,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:29:30,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:29:31,508 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:29:31,508 INFO L285 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-19 22:29:31,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:31 BoogieIcfgContainer [2019-11-19 22:29:31,509 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:29:31,510 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:29:31,510 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:29:31,514 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:29:31,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:31,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:29:29" (1/3) ... [2019-11-19 22:29:31,517 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c789c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:29:31, skipping insertion in model container [2019-11-19 22:29:31,517 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:31,517 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:29:30" (2/3) ... [2019-11-19 22:29:31,519 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c789c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:29:31, skipping insertion in model container [2019-11-19 22:29:31,519 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:29:31,519 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:31" (3/3) ... [2019-11-19 22:29:31,524 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product19.cil.c [2019-11-19 22:29:31,581 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:29:31,582 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:29:31,582 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:29:31,583 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:29:31,583 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:29:31,583 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:29:31,583 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:29:31,583 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:29:31,607 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-19 22:29:31,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-19 22:29:31,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:31,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:31,645 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:29:31,646 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:31,646 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:29:31,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-11-19 22:29:31,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-19 22:29:31,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:31,653 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:31,654 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:29:31,654 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:31,660 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(13);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string54.base, #t~string54.offset, 1);call write~init~int(80, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(117, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(109, #t~string54.base, 3 + #t~string54.offset, 1);call write~init~int(112, #t~string54.base, 4 + #t~string54.offset, 1);call write~init~int(58, #t~string54.base, 5 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 6 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string60.base, #t~string60.offset, 1);call write~init~int(32, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string62.base, #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 1 + #t~string62.offset, 1);~cleanupTimeShifts~0 := 4; 13#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 38#L874true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 43#L882true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 45#L838true assume 0 != main_~tmp~6; 33#L812true havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, 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; 68#L895-1true [2019-11-19 22:29:31,661 INFO L796 eck$LassoCheckResult]: Loop: 68#L895-1true assume !false; 61#L697true assume test_~splverifierCounter~0 < 4; 25#L698true test_~tmp~5 := test_#t~nondet64;havoc test_#t~nondet64; 32#L706true assume !(0 != test_~tmp~5); 34#L706-1true test_~tmp___0~1 := test_#t~nondet65;havoc test_#t~nondet65; 7#L716true assume !(0 != test_~tmp___0~1); 9#L716-1true test_~tmp___2~0 := test_#t~nondet66;havoc test_#t~nondet66; 66#L726true assume 0 != test_~tmp___2~0; 47#L732-1true assume !(0 != ~pumpRunning~0); 29#L516true assume !(0 != ~systemActive~0); 36#L523true havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 54#L488true __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 11#L895true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 68#L895-1true [2019-11-19 22:29:31,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:31,669 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 22:29:31,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:31,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567967858] [2019-11-19 22:29:31,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,057 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:32,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:32,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2019-11-19 22:29:32,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:32,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581877582] [2019-11-19 22:29:32,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,099 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:32,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:32,102 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2019-11-19 22:29:32,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:32,103 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104135231] [2019-11-19 22:29:32,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:29:32,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 22:29:32,287 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104135231] [2019-11-19 22:29:32,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:29:32,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-19 22:29:32,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590648492] [2019-11-19 22:29:32,400 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:29:32,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-19 22:29:32,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-19 22:29:32,419 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2019-11-19 22:29:32,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:29:32,647 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2019-11-19 22:29:32,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-19 22:29:32,652 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2019-11-19 22:29:32,670 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2019-11-19 22:29:32,682 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2019-11-19 22:29:32,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2019-11-19 22:29:32,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2019-11-19 22:29:32,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2019-11-19 22:29:32,695 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:29:32,695 INFO L688 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2019-11-19 22:29:32,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2019-11-19 22:29:32,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2019-11-19 22:29:32,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2019-11-19 22:29:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2019-11-19 22:29:32,735 INFO L711 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-11-19 22:29:32,735 INFO L591 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2019-11-19 22:29:32,735 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:29:32,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2019-11-19 22:29:32,738 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2019-11-19 22:29:32,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:29:32,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:29:32,739 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:29:32,739 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:29:32,740 INFO L794 eck$LassoCheckResult]: Stem: 333#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~head~0.base, ~head~0.offset := 0, 0;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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;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);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(13);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(110, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(102, #t~string52.base, 2 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 3 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string54.base, #t~string54.offset, 1);call write~init~int(80, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(117, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(109, #t~string54.base, 3 + #t~string54.offset, 1);call write~init~int(112, #t~string54.base, 4 + #t~string54.offset, 1);call write~init~int(58, #t~string54.base, 5 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 6 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(110, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 2 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(102, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 3 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string60.base, #t~string60.offset, 1);call write~init~int(32, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string62.base, #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 1 + #t~string62.offset, 1);~cleanupTimeShifts~0 := 4; 307#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 308#L874 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 330#L882 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 334#L838 assume 0 != main_~tmp~6; 325#L812 havoc test_#t~nondet64, test_#t~nondet65, test_#t~nondet66, test_#t~nondet67, 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; 291#L895-1 [2019-11-19 22:29:32,740 INFO L796 eck$LassoCheckResult]: Loop: 291#L895-1 assume !false; 348#L697 assume test_~splverifierCounter~0 < 4; 314#L698 test_~tmp~5 := test_#t~nondet64;havoc test_#t~nondet64; 315#L706 assume !(0 != test_~tmp~5); 320#L706-1 test_~tmp___0~1 := test_#t~nondet65;havoc test_#t~nondet65; 295#L716 assume !(0 != test_~tmp___0~1); 296#L716-1 test_~tmp___2~0 := test_#t~nondet66;havoc test_#t~nondet66; 300#L726 assume 0 != test_~tmp___2~0; 337#L732-1 assume !(0 != ~pumpRunning~0); 321#L516 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 284#L548 assume !(0 != ~pumpRunning~0); 286#L523 havoc __utac_acc__Specification4_spec__1_#t~ret70, __utac_acc__Specification4_spec__1_#t~ret71, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 327#L488 __utac_acc__Specification4_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret70;havoc __utac_acc__Specification4_spec__1_#t~ret70; 305#L895 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 291#L895-1 [2019-11-19 22:29:32,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:32,741 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 22:29:32,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:32,742 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314166632] [2019-11-19 22:29:32,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,897 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:32,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:32,898 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2019-11-19 22:29:32,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:32,898 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035659808] [2019-11-19 22:29:32,898 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,909 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:29:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2019-11-19 22:29:32,911 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:29:32,911 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050593108] [2019-11-19 22:29:32,911 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:29:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:29:33,015 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:29:59,885 WARN L191 SmtUtils]: Spent 26.77 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 22:30:13,772 WARN L191 SmtUtils]: Spent 13.89 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 22:30:13,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:30:13 BoogieIcfgContainer [2019-11-19 22:30:13,869 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:30:13,869 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:30:13,869 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:30:13,870 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:30:13,870 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:29:31" (3/4) ... [2019-11-19 22:30:13,878 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:30:13,951 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:30:13,951 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:30:13,953 INFO L168 Benchmark]: Toolchain (without parser) took 44001.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 301.5 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -275.8 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:13,954 INFO L168 Benchmark]: CDTParser took 0.30 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. [2019-11-19 22:30:13,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 649.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:13,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.53 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:13,956 INFO L168 Benchmark]: Boogie Preprocessor took 36.48 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. [2019-11-19 22:30:13,956 INFO L168 Benchmark]: RCFGBuilder took 795.36 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:13,957 INFO L168 Benchmark]: BuchiAutomizer took 42358.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.4 MB). Peak memory consumption was 387.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:13,958 INFO L168 Benchmark]: Witness Printer took 81.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:30:13,962 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 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 649.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.53 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.48 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 795.36 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: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42358.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 168.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -191.4 MB). Peak memory consumption was 387.9 MB. Max. memory is 11.5 GB. * Witness Printer took 81.90 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 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 108 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 108 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 370 SDslu, 524 SDs, 0 SdLazy, 42 SolverSat, 9 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: 696]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e00ad70=0, NULL=0, NULL=0, NULL=1, NULL=0, NULL=0, NULL=0, NULL=8329, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e3a2f8a=0, NULL=8344, methaneLevelCritical=0, retValue_acc=1, tmp=0, tmp___1=0, NULL=8346, NULL=8337, NULL=8327, NULL=8333, NULL=8345, cleanupTimeShifts=4, NULL=8348, NULL=8335, NULL=8332, tmp___0=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44e858fa=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=8347, NULL=8350, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ffba51d=0, NULL=0, NULL=0, NULL=8343, NULL=0, NULL=0, \result=1, NULL=8339, head=0, pumpRunning=0, \result=0, NULL=8342, NULL=8326, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13ed68d2=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ff679a1=70, NULL=8334, NULL=8349, tmp=1, tmp___2=70, retValue_acc=1, NULL=8340, tmp___0=0, splverifierCounter=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@601684bc=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60427bfc=0, NULL=0, NULL=8331, NULL=8330, NULL=0, NULL=8336, NULL=0, NULL=0, NULL=8328, NULL=8338, NULL=8341, NULL=0} - 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; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L508] int pumpRunning = 0; [L509] int systemActive = 1; [L753] int cleanupTimeShifts = 4; [L829] int retValue_acc ; [L830] int tmp ; [L878] int retValue_acc ; [L881] retValue_acc = 1 [L882] return (retValue_acc); [L836] tmp = valid_product() [L838] COND TRUE \read(tmp) [L687] int splverifierCounter ; [L688] int tmp ; [L689] int tmp___0 ; [L690] int tmp___1 ; [L691] int tmp___2 ; [L694] splverifierCounter = 0 Loop: [L696] COND TRUE 1 [L698] COND TRUE splverifierCounter < 4 [L704] tmp = __VERIFIER_nondet_int() [L706] COND FALSE !(\read(tmp)) [L714] tmp___0 = __VERIFIER_nondet_int() [L716] COND FALSE !(\read(tmp___0)) [L724] tmp___2 = __VERIFIER_nondet_int() [L726] COND TRUE \read(tmp___2) [L516] COND FALSE !(\read(pumpRunning)) [L523] COND TRUE \read(systemActive) [L545] int tmp ; [L548] COND FALSE !(\read(pumpRunning)) [L888] int tmp ; [L889] int tmp___0 ; [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L893] tmp = getWaterLevel() [L895] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...