./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product08.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 520d1ef87fba3e5b4f18d6fa521fb45229d37053 ........................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:57:22,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:57:22,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:57:22,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:57:22,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:57:22,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:57:22,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:57:22,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:57:22,761 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:57:22,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:57:22,764 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:57:22,766 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:57:22,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:57:22,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:57:22,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:57:22,773 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:57:22,774 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:57:22,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:57:22,779 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:57:22,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:57:22,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:57:22,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:57:22,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:57:22,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:57:22,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:57:22,800 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:57:22,800 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:57:22,802 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:57:22,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:57:22,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:57:22,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:57:22,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:57:22,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:57:22,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:57:22,810 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:57:22,810 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:57:22,813 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:57:22,813 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:57:22,813 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:57:22,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:57:22,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:57:22,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:57:22,834 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:57:22,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:57:22,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:57:22,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:57:22,837 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:57:22,837 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:57:22,837 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:57:22,837 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:57:22,838 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:57:22,838 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:57:22,838 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:57:22,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:57:22,839 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:57:22,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:57:22,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:57:22,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:57:22,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:57:22,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:57:22,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:57:22,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:57:22,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:57:22,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:57:22,841 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:57:22,842 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:57:22,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:57:22,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:57:22,843 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:57:22,843 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:57:22,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:57:22,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:57:22,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:57:22,844 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:57:22,845 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:57:22,845 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 -> 520d1ef87fba3e5b4f18d6fa521fb45229d37053 [2019-11-28 20:57:23,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:57:23,194 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:57:23,199 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:57:23,201 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:57:23,202 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:57:23,202 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-11-28 20:57:23,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a4ec2ee/816c34522e3145e997089622be1929fb/FLAG86d3c5e08 [2019-11-28 20:57:23,861 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:57:23,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product08.cil.c [2019-11-28 20:57:23,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a4ec2ee/816c34522e3145e997089622be1929fb/FLAG86d3c5e08 [2019-11-28 20:57:24,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a4ec2ee/816c34522e3145e997089622be1929fb [2019-11-28 20:57:24,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:57:24,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:57:24,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:57:24,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:57:24,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:57:24,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,142 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24, skipping insertion in model container [2019-11-28 20:57:24,142 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:57:24,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:57:24,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:57:24,747 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:57:24,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:57:24,856 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:57:24,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24 WrapperNode [2019-11-28 20:57:24,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:57:24,860 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:57:24,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:57:24,860 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:57:24,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,954 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:57:24,954 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:57:24,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:57:24,955 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:57:24,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,986 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... [2019-11-28 20:57:24,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:57:24,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:57:24,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:57:24,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:57:24,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 20:57:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:57:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:57:25,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:57:25,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:57:25,757 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:57:25,758 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 20:57:25,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:25 BoogieIcfgContainer [2019-11-28 20:57:25,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:57:25,760 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:57:25,760 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:57:25,764 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:57:25,765 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:25,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:57:24" (1/3) ... [2019-11-28 20:57:25,767 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63e1d58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:57:25, skipping insertion in model container [2019-11-28 20:57:25,767 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:25,767 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:24" (2/3) ... [2019-11-28 20:57:25,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63e1d58e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:57:25, skipping insertion in model container [2019-11-28 20:57:25,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:25,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:25" (3/3) ... [2019-11-28 20:57:25,770 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product08.cil.c [2019-11-28 20:57:25,816 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:57:25,816 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:57:25,816 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:57:25,816 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:57:25,816 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:57:25,817 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:57:25,817 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:57:25,817 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:57:25,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-11-28 20:57:25,857 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 20:57:25,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:25,858 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:25,864 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:25,864 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:25,864 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:57:25,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-11-28 20:57:25,870 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 20:57:25,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:25,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:25,871 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:25,871 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:25,876 INFO L794 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~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(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 8#L-1true havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 21#L670true 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; 39#L678true main_#t~ret58 := valid_product_#res;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; 65#L774true assume 0 != main_~tmp~5; 42#L751true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 66#L796-1true [2019-11-28 20:57:25,876 INFO L796 eck$LassoCheckResult]: Loop: 66#L796-1true assume !false; 68#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 25#L66true assume !(0 != test_~tmp~0); 24#L66-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 12#L76true assume !(0 != test_~tmp___0~0); 10#L76-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 60#L86true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 51#L94-1true assume !(0 != ~pumpRunning~0); 64#L130true assume !(0 != ~systemActive~0); 33#L137true havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 46#L858-1true __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; 62#L796true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 66#L796-1true [2019-11-28 20:57:25,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:25,884 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 20:57:25,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:25,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745246] [2019-11-28 20:57:25,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,273 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:26,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:26,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2019-11-28 20:57:26,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:26,276 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508221423] [2019-11-28 20:57:26,276 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:57:26,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 20:57:26,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508221423] [2019-11-28 20:57:26,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:57:26,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:57:26,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820332154] [2019-11-28 20:57:26,347 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 20:57:26,349 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:57:26,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:57:26,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:57:26,368 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2019-11-28 20:57:26,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:57:26,453 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2019-11-28 20:57:26,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:57:26,456 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2019-11-28 20:57:26,464 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2019-11-28 20:57:26,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2019-11-28 20:57:26,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-11-28 20:57:26,481 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-11-28 20:57:26,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2019-11-28 20:57:26,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:57:26,484 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-11-28 20:57:26,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2019-11-28 20:57:26,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-28 20:57:26,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-28 20:57:26,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2019-11-28 20:57:26,523 INFO L711 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-28 20:57:26,523 INFO L591 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-28 20:57:26,523 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:57:26,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2019-11-28 20:57:26,526 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-11-28 20:57:26,526 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:26,526 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:26,527 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:26,527 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:26,527 INFO L794 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~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(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 213#L-1 havoc main_#res;havoc main_#t~ret58, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 214#L670 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; 231#L678 main_#t~ret58 := valid_product_#res;main_~tmp~5 := main_#t~ret58;havoc main_#t~ret58; 259#L774 assume 0 != main_~tmp~5; 262#L751 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 212#L796-1 [2019-11-28 20:57:26,528 INFO L796 eck$LassoCheckResult]: Loop: 212#L796-1 assume !false; 280#L57 assume test_~splverifierCounter~0 < 4; 207#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 208#L66 assume !(0 != test_~tmp~0); 210#L66-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 284#L76 assume !(0 != test_~tmp___0~0); 217#L76-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 218#L86 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 272#L94-1 assume !(0 != ~pumpRunning~0); 278#L130 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret4, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 279#L162 assume !(0 != ~pumpRunning~0); 247#L137 havoc __utac_acc__Specification1_spec__1_#t~ret59, __utac_acc__Specification1_spec__1_#t~ret60, __utac_acc__Specification1_spec__1_~tmp~6, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~6;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 248#L858-1 __utac_acc__Specification1_spec__1_#t~ret59 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~6 := __utac_acc__Specification1_spec__1_#t~ret59;havoc __utac_acc__Specification1_spec__1_#t~ret59; 276#L796 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6); 212#L796-1 [2019-11-28 20:57:26,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:26,528 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 20:57:26,529 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:26,529 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64299336] [2019-11-28 20:57:26,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,653 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:26,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:26,654 INFO L82 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2019-11-28 20:57:26,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:26,655 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209178599] [2019-11-28 20:57:26,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,670 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:26,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:26,671 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2019-11-28 20:57:26,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:26,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125318071] [2019-11-28 20:57:26,672 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:26,821 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:52,370 WARN L192 SmtUtils]: Spent 25.42 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 20:58:05,177 WARN L192 SmtUtils]: Spent 12.80 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 20:58:05,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:58:05 BoogieIcfgContainer [2019-11-28 20:58:05,304 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:58:05,305 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:58:05,306 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:58:05,307 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:58:05,307 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:25" (3/4) ... [2019-11-28 20:58:05,312 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:58:05,392 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:58:05,393 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:58:05,394 INFO L168 Benchmark]: Toolchain (without parser) took 41261.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 298.3 MB). Free memory was 961.7 MB in the beginning and 1.3 GB in the end (delta: -327.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:58:05,395 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. [2019-11-28 20:58:05,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:05,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:05,397 INFO L168 Benchmark]: Boogie Preprocessor took 39.32 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:58:05,398 INFO L168 Benchmark]: RCFGBuilder took 765.60 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: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:05,398 INFO L168 Benchmark]: BuchiAutomizer took 39544.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -236.1 MB). Peak memory consumption was 374.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:05,399 INFO L168 Benchmark]: Witness Printer took 87.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:05,403 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 725.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.0 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.12 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 39.32 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 765.60 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: 51.7 MB). Peak memory consumption was 51.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39544.65 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -236.1 MB). Peak memory consumption was 374.0 MB. Max. memory is 11.5 GB. * Witness Printer took 87.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.1s. 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 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: 56]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7442} State at position 1 is {NULL=8724, NULL=0, NULL=0, NULL=0, NULL=7442, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d0f5471=0, NULL=8728, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1382077c=64, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ab34d91=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75e42d95=0, NULL=0, NULL=0, NULL=8722, NULL=8714, methaneLevelCritical=0, NULL=8726, NULL=0, NULL=0, NULL=8711, tmp___1=0, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=8709, NULL=8720, NULL=8712, NULL=8708, NULL=8731, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71767730=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, retValue_acc=0, NULL=0, NULL=8715, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=8707, \result=0, NULL=8717, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@75613a8=0, NULL=8721, tmp=0, NULL=0, NULL=8713, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32529389=0, tmp___2=64, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39c6e507=0, NULL=0, NULL=0, \result=0, NULL=8719, NULL=8729, tmp=0, head=0, NULL=8710, NULL=8727, NULL=8730, NULL=0, NULL=0, NULL=8716, NULL=8725, NULL=8718, NULL=8723} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L448] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L692] int cleanupTimeShifts = 4; [L815] int waterLevel = 1; [L816] int methaneLevelCritical = 0; [L765] int retValue_acc ; [L766] int tmp ; [L674] int retValue_acc ; [L677] retValue_acc = 1 [L678] return (retValue_acc); [L772] tmp = valid_product() [L774] COND TRUE \read(tmp) [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L274] systemActive = 1 [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L159] int tmp ; [L162] COND FALSE !(\read(pumpRunning)) [L789] int tmp ; [L790] int tmp___0 ; [L854] int retValue_acc ; [L857] retValue_acc = methaneLevelCritical [L858] return (retValue_acc); [L794] tmp = isMethaneLevelCritical() [L796] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...