./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.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 84841b0b7c643c254d02f565fa50ff7ee5853434 .......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 23:34:21,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:34:21,833 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:34:21,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:34:21,846 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:34:21,847 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:34:21,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:34:21,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:34:21,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:34:21,852 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:34:21,853 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:34:21,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:34:21,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:34:21,856 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:34:21,857 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:34:21,858 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:34:21,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:34:21,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:34:21,863 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:34:21,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:34:21,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:34:21,867 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:34:21,870 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:34:21,870 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:34:21,870 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:34:21,871 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:34:21,873 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:34:21,873 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:34:21,874 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:34:21,876 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:34:21,876 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:34:21,877 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:34:21,877 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:34:21,877 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:34:21,878 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:34:21,879 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:34:21,879 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:34:21,908 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:34:21,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:34:21,913 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:34:21,913 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:34:21,913 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:34:21,913 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:34:21,914 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:34:21,914 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:34:21,914 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:34:21,914 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:34:21,914 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:34:21,914 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:34:21,916 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:34:21,916 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:34:21,916 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:34:21,916 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:34:21,916 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:34:21,917 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:34:21,917 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:34:21,917 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:34:21,917 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:34:21,917 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:34:21,917 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:34:21,919 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:34:21,919 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:34:21,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:34:21,919 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:34:21,920 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:34:21,920 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:34:21,920 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:34:21,921 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:34:21,921 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:34:21,923 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /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 -> 84841b0b7c643c254d02f565fa50ff7ee5853434 [2019-01-01 23:34:21,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:34:21,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:34:21,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:34:21,987 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:34:21,988 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:34:21,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2019-01-01 23:34:22,048 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa0b58e9/79114851036248bd8e9a309b8f9da151/FLAG0a3e876f7 [2019-01-01 23:34:22,559 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:34:22,562 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2019-01-01 23:34:22,578 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa0b58e9/79114851036248bd8e9a309b8f9da151/FLAG0a3e876f7 [2019-01-01 23:34:22,849 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaa0b58e9/79114851036248bd8e9a309b8f9da151 [2019-01-01 23:34:22,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:34:22,854 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:34:22,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:34:22,856 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:34:22,860 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:34:22,861 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:34:22" (1/1) ... [2019-01-01 23:34:22,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74fb2347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:22, skipping insertion in model container [2019-01-01 23:34:22,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:34:22" (1/1) ... [2019-01-01 23:34:22,874 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:34:22,945 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:34:23,331 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:34:23,347 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:34:23,454 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:34:23,575 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:34:23,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23 WrapperNode [2019-01-01 23:34:23,575 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:34:23,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:34:23,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:34:23,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:34:23,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,663 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:34:23,664 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:34:23,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:34:23,664 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:34:23,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,692 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (1/1) ... [2019-01-01 23:34:23,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:34:23,708 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:34:23,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:34:23,708 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:34:23,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (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 [2019-01-01 23:34:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:34:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:34:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:34:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:34:24,921 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:34:24,921 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2019-01-01 23:34:24,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:34:24 BoogieIcfgContainer [2019-01-01 23:34:24,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:34:24,923 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:34:24,923 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:34:24,927 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:34:24,928 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:34:24,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:34:22" (1/3) ... [2019-01-01 23:34:24,929 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33df9328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:34:24, skipping insertion in model container [2019-01-01 23:34:24,930 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:34:24,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:34:23" (2/3) ... [2019-01-01 23:34:24,930 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33df9328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:34:24, skipping insertion in model container [2019-01-01 23:34:24,930 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:34:24,930 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:34:24" (3/3) ... [2019-01-01 23:34:24,932 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product28_true-unreach-call_false-termination.cil.c [2019-01-01 23:34:24,996 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:34:24,997 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:34:24,997 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:34:24,997 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:34:24,997 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:34:24,997 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:34:24,998 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:34:24,998 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:34:24,998 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:34:25,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-01-01 23:34:25,048 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-01 23:34:25,049 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:34:25,049 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:34:25,059 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:34:25,059 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:34:25,059 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:34:25,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2019-01-01 23:34:25,065 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-01-01 23:34:25,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:34:25,065 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:34:25,066 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:34:25,067 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:34:25,072 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~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~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 12#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 7#L833true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 15#L841true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 10#L928true assume 0 != main_~tmp~8; 62#L905true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 37#L790-1true [2019-01-01 23:34:25,073 INFO L796 eck$LassoCheckResult]: Loop: 37#L790-1true assume !false; 4#L526true assume test_~splverifierCounter~0 < 4; 51#L527true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 58#L535true assume !(0 != test_~tmp~3); 60#L535-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 33#L545true assume !(0 != test_~tmp___0~0); 36#L545-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 9#L555true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 21#L563-1true assume !(0 != ~pumpRunning~0); 14#L596true assume !(0 != ~systemActive~0); 27#L603true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 45#L465true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 34#L790true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 37#L790-1true [2019-01-01 23:34:25,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:34:25,081 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:34:25,083 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:34:25,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:34:25,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:25,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:34:25,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:26,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:34:26,019 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2019-01-01 23:34:26,019 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:34:26,019 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:34:26,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:34:26,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:34:26,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:34:26,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:34:26,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-01 23:34:26,153 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-01 23:34:26,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-01 23:34:26,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-01 23:34:26,179 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2019-01-01 23:34:26,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:34:26,401 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2019-01-01 23:34:26,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-01 23:34:26,405 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2019-01-01 23:34:26,412 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2019-01-01 23:34:26,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2019-01-01 23:34:26,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2019-01-01 23:34:26,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2019-01-01 23:34:26,425 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2019-01-01 23:34:26,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:34:26,427 INFO L705 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2019-01-01 23:34:26,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2019-01-01 23:34:26,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2019-01-01 23:34:26,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-01-01 23:34:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2019-01-01 23:34:26,474 INFO L728 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-01-01 23:34:26,474 INFO L608 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2019-01-01 23:34:26,474 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:34:26,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2019-01-01 23:34:26,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2019-01-01 23:34:26,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:34:26,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:34:26,479 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:34:26,479 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:34:26,479 INFO L794 eck$LassoCheckResult]: Stem: 275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~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~string53.base, #t~string53.offset := #Ultimate.allocOnStack(13);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(110, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(102, #t~string57.base, 2 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 3 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string59.base, #t~string59.offset, 1);call write~init~int(80, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(117, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(109, #t~string59.base, 3 + #t~string59.offset, 1);call write~init~int(112, #t~string59.base, 4 + #t~string59.offset, 1);call write~init~int(58, #t~string59.base, 5 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 6 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string65.base, #t~string65.offset, 1);call write~init~int(32, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 242#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 234#L833 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 235#L841 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 240#L928 assume 0 != main_~tmp~8; 241#L905 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 272#L790-1 [2019-01-01 23:34:26,479 INFO L796 eck$LassoCheckResult]: Loop: 272#L790-1 assume !false; 311#L526 assume test_~splverifierCounter~0 < 4; 312#L527 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 296#L535 assume !(0 != test_~tmp~3); 293#L535-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 267#L545 assume !(0 != test_~tmp___0~0); 268#L545-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 320#L555 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 238#L563-1 assume !(0 != ~pumpRunning~0); 246#L596 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 247#L628 assume !(0 != ~pumpRunning~0); 231#L603 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 263#L465 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 270#L790 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 272#L790-1 [2019-01-01 23:34:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:34:26,480 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:34:26,480 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:34:26,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:34:26,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:34:26,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:26,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:34:26,874 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2019-01-01 23:34:26,874 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:34:26,875 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:34:26,875 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,876 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:34:26,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:34:26,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2019-01-01 23:34:26,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:34:26,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:34:26,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:26,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:34:26,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:34:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:34:27,488 WARN L181 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-01-01 23:34:53,476 WARN L181 SmtUtils]: Spent 25.93 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:35:06,785 WARN L181 SmtUtils]: Spent 13.31 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:35:06,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:35:06 BoogieIcfgContainer [2019-01-01 23:35:06,890 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:35:06,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:35:06,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:35:06,890 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:35:06,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:34:24" (3/4) ... [2019-01-01 23:35:06,896 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:35:06,989 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:35:06,989 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:35:06,990 INFO L168 Benchmark]: Toolchain (without parser) took 44136.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.7 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -71.8 MB). Peak memory consumption was 233.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:06,991 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:35:06,992 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:06,992 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:06,993 INFO L168 Benchmark]: Boogie Preprocessor took 43.62 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. [2019-01-01 23:35:06,993 INFO L168 Benchmark]: RCFGBuilder took 1214.22 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: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:06,994 INFO L168 Benchmark]: BuchiAutomizer took 41966.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.6 MB). Peak memory consumption was 431.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:06,995 INFO L168 Benchmark]: Witness Printer took 99.14 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2019-01-01 23:35:06,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 720.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.4 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 43.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.62 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 1214.22 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: 53.5 MB). Peak memory consumption was 53.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41966.93 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 181.9 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.6 MB). Peak memory consumption was 431.9 MB. Max. memory is 11.5 GB. * Witness Printer took 99.14 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 3 locations. The remainder module has 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 525]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=20144} State at position 1 is {NULL=0, NULL=20143, NULL=0, NULL=20144, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66ceabb5=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@677de6d3=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6898c0bc=0, NULL=0, NULL=-16, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@554dd888=0, NULL=0, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, NULL=0, tmp___1=0, NULL=-7, NULL=-4, tmp___0=0, NULL=6829, NULL=-10, NULL=-15, cleanupTimeShifts=4, NULL=-11, NULL=-21, NULL=-20, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17334231=0, NULL=-8, tmp___0=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, NULL=12323, head=0, pumpRunning=0, NULL=-22, \result=0, NULL=-3, tmp=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@598d5922=0, NULL=0, NULL=-18, NULL=-1, NULL=-5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36a556f4=0, tmp___2=64, NULL=-6, splverifierCounter=0, NULL=0, \result=0, NULL=-14, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5343bfec=0, tmp=0, NULL=0, NULL=-9, NULL=-13, NULL=0, NULL=-2, NULL=0, NULL=0, NULL=-12, NULL=-17} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L588] int pumpRunning = 0; [L589] int systemActive = 1; [L846] int cleanupTimeShifts = 4; [L919] int retValue_acc ; [L920] int tmp ; [L837] int retValue_acc ; [L840] retValue_acc = 1 [L841] return (retValue_acc); [L926] tmp = valid_product() [L928] COND TRUE \read(tmp) [L516] int splverifierCounter ; [L517] int tmp ; [L518] int tmp___0 ; [L519] int tmp___1 ; [L520] int tmp___2 ; [L523] splverifierCounter = 0 Loop: [L525] COND TRUE 1 [L527] COND TRUE splverifierCounter < 4 [L533] tmp = __VERIFIER_nondet_int() [L535] COND FALSE !(\read(tmp)) [L543] tmp___0 = __VERIFIER_nondet_int() [L545] COND FALSE !(\read(tmp___0)) [L553] tmp___2 = __VERIFIER_nondet_int() [L555] COND TRUE \read(tmp___2) [L777] systemActive = 1 [L596] COND FALSE !(\read(pumpRunning)) [L603] COND TRUE \read(systemActive) [L625] int tmp ; [L628] COND FALSE !(\read(pumpRunning)) [L783] int tmp ; [L784] int tmp___0 ; [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] return (retValue_acc); [L788] tmp = isMethaneLevelCritical() [L790] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...