./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product14.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_spec1_product14.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 ffb924ee3454938bf87e2a52362fa3f53467287e .......................................................................................................................................................................................................................................................................................................................................................... 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 22:27:11,660 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:27:11,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:27:11,678 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:27:11,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:27:11,680 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:27:11,681 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:27:11,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:27:11,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:27:11,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:27:11,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:27:11,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:27:11,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:27:11,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:27:11,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:27:11,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:27:11,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:27:11,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:27:11,699 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:27:11,701 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:27:11,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:27:11,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:27:11,706 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:27:11,707 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:27:11,711 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:27:11,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:27:11,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:27:11,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:27:11,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:27:11,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:27:11,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:27:11,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:27:11,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:27:11,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:27:11,723 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:27:11,723 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:27:11,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:27:11,727 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:27:11,727 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:27:11,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:27:11,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:27:11,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 22:27:11,752 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:27:11,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:27:11,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:27:11,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:27:11,754 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:27:11,754 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 22:27:11,754 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 22:27:11,754 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 22:27:11,755 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 22:27:11,755 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 22:27:11,755 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 22:27:11,755 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:27:11,755 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:27:11,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:27:11,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:27:11,756 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:27:11,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:27:11,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 22:27:11,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 22:27:11,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 22:27:11,757 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:27:11,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:27:11,758 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 22:27:11,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:27:11,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 22:27:11,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:27:11,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:27:11,759 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 22:27:11,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:27:11,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:27:11,759 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 22:27:11,760 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 22:27:11,761 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 -> ffb924ee3454938bf87e2a52362fa3f53467287e [2019-11-19 22:27:12,107 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:27:12,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:27:12,132 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:27:12,134 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:27:12,134 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:27:12,135 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-11-19 22:27:12,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4305932bb/c6ded9579cdd4331bb40aa0e02c523a6/FLAG4dc353d5a [2019-11-19 22:27:12,777 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:27:12,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2019-11-19 22:27:12,802 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4305932bb/c6ded9579cdd4331bb40aa0e02c523a6/FLAG4dc353d5a [2019-11-19 22:27:13,111 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4305932bb/c6ded9579cdd4331bb40aa0e02c523a6 [2019-11-19 22:27:13,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:27:13,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:27:13,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:27:13,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:27:13,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:27:13,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36be5ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13, skipping insertion in model container [2019-11-19 22:27:13,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,136 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:27:13,204 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:27:13,608 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:27:13,636 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:27:13,735 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:27:13,769 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:27:13,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13 WrapperNode [2019-11-19 22:27:13,770 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:27:13,771 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:27:13,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:27:13,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:27:13,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:27:13,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:27:13,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:27:13,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:27:13,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (1/1) ... [2019-11-19 22:27:13,884 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:27:13,885 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:27:13,886 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:27:13,886 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:27:13,887 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (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 22:27:13,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 22:27:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 22:27:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:27:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:27:14,730 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:27:14,732 INFO L285 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-19 22:27:14,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:14 BoogieIcfgContainer [2019-11-19 22:27:14,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:27:14,735 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 22:27:14,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 22:27:14,740 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 22:27:14,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:14,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 10:27:13" (1/3) ... [2019-11-19 22:27:14,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a847341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:14, skipping insertion in model container [2019-11-19 22:27:14,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:14,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:27:13" (2/3) ... [2019-11-19 22:27:14,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a847341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 10:27:14, skipping insertion in model container [2019-11-19 22:27:14,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 22:27:14,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:14" (3/3) ... [2019-11-19 22:27:14,748 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2019-11-19 22:27:14,795 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 22:27:14,796 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 22:27:14,796 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 22:27:14,796 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:27:14,797 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:27:14,797 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 22:27:14,797 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:27:14,797 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 22:27:14,812 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-19 22:27:14,837 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-19 22:27:14,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:14,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:14,845 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:14,845 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:14,845 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 22:27:14,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-19 22:27:14,852 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-19 22:27:14,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:14,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:14,853 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:14,853 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:14,858 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 4#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; 52#L517true 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; 57#L525true main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 16#L615true assume 0 != main_~tmp~3; 68#L591true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 26#L868-1true [2019-11-19 22:27:14,859 INFO L796 eck$LassoCheckResult]: Loop: 26#L868-1true assume !false; 32#L641true assume test_~splverifierCounter~0 < 4; 58#L642true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 3#L650true assume !(0 != test_~tmp~4); 65#L650-1true test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 37#L660true assume !(0 != test_~tmp___0~0); 41#L660-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 14#L670true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 21#L678-2true assume !(0 != ~pumpRunning~0); 55#L708true assume !(0 != ~systemActive~0); 61#L715true havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 51#L89-1true __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 23#L868true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 26#L868-1true [2019-11-19 22:27:14,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:14,868 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 22:27:14,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:14,875 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389675508] [2019-11-19 22:27:14,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,289 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:15,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1680944957, now seen corresponding path program 1 times [2019-11-19 22:27:15,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:15,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706414391] [2019-11-19 22:27:15,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 22:27:15,355 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 22:27:15,355 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706414391] [2019-11-19 22:27:15,357 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 22:27:15,357 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 22:27:15,358 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951326403] [2019-11-19 22:27:15,367 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 22:27:15,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 22:27:15,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 22:27:15,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 22:27:15,383 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 3 states. [2019-11-19 22:27:15,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 22:27:15,436 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2019-11-19 22:27:15,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 22:27:15,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2019-11-19 22:27:15,456 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-19 22:27:15,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-11-19 22:27:15,468 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-11-19 22:27:15,469 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-11-19 22:27:15,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-11-19 22:27:15,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 22:27:15,471 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-19 22:27:15,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-11-19 22:27:15,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-19 22:27:15,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-19 22:27:15,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-11-19 22:27:15,510 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-19 22:27:15,510 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-19 22:27:15,510 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 22:27:15,510 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-11-19 22:27:15,512 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-19 22:27:15,512 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 22:27:15,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 22:27:15,513 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 22:27:15,513 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 22:27:15,514 INFO L794 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(13);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(80, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(117, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(109, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(112, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(110, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 2 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(102, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 3 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(32, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string69.base, #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 1 + #t~string69.offset, 1); 144#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; 145#L517 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; 199#L525 main_#t~ret46 := valid_product_#res;main_~tmp~3 := main_#t~ret46;havoc main_#t~ret46; 164#L615 assume 0 != main_~tmp~3; 165#L591 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 179#L868-1 [2019-11-19 22:27:15,514 INFO L796 eck$LassoCheckResult]: Loop: 179#L868-1 assume !false; 180#L641 assume test_~splverifierCounter~0 < 4; 192#L642 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 141#L650 assume !(0 != test_~tmp~4); 143#L650-1 test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 194#L660 assume !(0 != test_~tmp___0~0); 147#L660-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 160#L670 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 161#L678-2 assume !(0 != ~pumpRunning~0); 159#L708 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret51, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 174#L740 assume !(0 != ~pumpRunning~0); 175#L715 havoc __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_#t~ret71, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 198#L89-1 __utac_acc__Specification1_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret70;havoc __utac_acc__Specification1_spec__1_#t~ret70; 177#L868 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 179#L868-1 [2019-11-19 22:27:15,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:15,515 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 22:27:15,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:15,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892434461] [2019-11-19 22:27:15,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,657 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:15,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:15,658 INFO L82 PathProgramCache]: Analyzing trace with hash -590214405, now seen corresponding path program 1 times [2019-11-19 22:27:15,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:15,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60557453] [2019-11-19 22:27:15,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,675 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:15,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 22:27:15,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1012825121, now seen corresponding path program 1 times [2019-11-19 22:27:15,677 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 22:27:15,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730338032] [2019-11-19 22:27:15,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 22:27:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 22:27:15,792 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 22:27:45,271 WARN L191 SmtUtils]: Spent 29.31 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-19 22:27:58,780 WARN L191 SmtUtils]: Spent 13.51 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-19 22:27:58,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 10:27:58 BoogieIcfgContainer [2019-11-19 22:27:58,882 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 22:27:58,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:27:58,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:27:58,883 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:27:58,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:27:14" (3/4) ... [2019-11-19 22:27:58,887 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 22:27:58,955 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:27:58,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:27:58,958 INFO L168 Benchmark]: Toolchain (without parser) took 45840.36 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 259.0 MB). Free memory was 961.7 MB in the beginning and 828.6 MB in the end (delta: 133.1 MB). Peak memory consumption was 392.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:58,958 INFO L168 Benchmark]: CDTParser took 0.28 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 22:27:58,959 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:58,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.60 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. [2019-11-19 22:27:58,961 INFO L168 Benchmark]: Boogie Preprocessor took 42.06 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 22:27:58,961 INFO L168 Benchmark]: RCFGBuilder took 849.40 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: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:58,962 INFO L168 Benchmark]: BuchiAutomizer took 44146.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.1 GB in the beginning and 828.6 MB in the end (delta: 229.9 MB). Peak memory consumption was 355.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:27:58,963 INFO L168 Benchmark]: Witness Printer took 73.93 ms. Allocated memory is still 1.3 GB. Free memory was 828.6 MB in the beginning and 828.6 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-19 22:27:58,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.60 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 42.06 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 849.40 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: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44146.48 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 117.4 MB). Free memory was 1.1 GB in the beginning and 828.6 MB in the end (delta: 229.9 MB). Peak memory consumption was 355.2 MB. Max. memory is 11.5 GB. * Witness Printer took 73.93 ms. Allocated memory is still 1.3 GB. Free memory was 828.6 MB in the beginning and 828.6 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 43.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 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: 86 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 640]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1572} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56a6da1e=0, NULL=0, retValue_acc=0, NULL=5643, NULL=1573, NULL=0, NULL=1572, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@665bb7b0=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b00fa30=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13cba5a9=0, NULL=1574, NULL=0, NULL=5649, retValue_acc=0, NULL=1582, NULL=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e9910d4=0, NULL=1578, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5ed4706d=0, NULL=0, tmp=0, NULL=0, NULL=5648, NULL=1580, NULL=0, tmp___1=0, NULL=5645, tmp___0=0, NULL=1577, NULL=1579, cleanupTimeShifts=4, NULL=1575, NULL=5641, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=1587, NULL=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=5650, \result=0, tmp=1, tmp=0, NULL=0, retValue_acc=1, NULL=1586, NULL=5644, NULL=1581, tmp___2=56, NULL=5642, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=1584, NULL=5646, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@320dbc19=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37406c9d=0, tmp=0, NULL=1585, NULL=0, NULL=0, NULL=1583, NULL=0, NULL=1576, NULL=5647} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L295] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L530] int cleanupTimeShifts = 4; [L700] int pumpRunning = 0; [L701] int systemActive = 1; [L606] int retValue_acc ; [L607] int tmp ; [L521] int retValue_acc ; [L524] retValue_acc = 1 [L525] return (retValue_acc); [L613] tmp = valid_product() [L615] COND TRUE \read(tmp) [L631] int splverifierCounter ; [L632] int tmp ; [L633] int tmp___0 ; [L634] int tmp___1 ; [L635] int tmp___2 ; [L638] splverifierCounter = 0 Loop: [L640] COND TRUE 1 [L642] COND TRUE splverifierCounter < 4 [L648] tmp = __VERIFIER_nondet_int() [L650] COND FALSE !(\read(tmp)) [L658] tmp___0 = __VERIFIER_nondet_int() [L660] COND FALSE !(\read(tmp___0)) [L668] tmp___2 = __VERIFIER_nondet_int() [L670] COND TRUE \read(tmp___2) [L854] systemActive = 1 [L708] COND FALSE !(\read(pumpRunning)) [L715] COND TRUE \read(systemActive) [L737] int tmp ; [L740] COND FALSE !(\read(pumpRunning)) [L861] int tmp ; [L862] int tmp___0 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L866] tmp = isMethaneLevelCritical() [L868] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...