./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product06.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 c762bce629f36cf7371b941fff55f6d65cb160f7 .......................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:32:08,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:32:08,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:32:08,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:32:08,790 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:32:08,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:32:08,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:32:08,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:32:08,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:32:08,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:32:08,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:32:08,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:32:08,818 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:32:08,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:32:08,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:32:08,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:32:08,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:32:08,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:32:08,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:32:08,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:32:08,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:32:08,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:32:08,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:32:08,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:32:08,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:32:08,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:32:08,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:32:08,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:32:08,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:32:08,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:32:08,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:32:08,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:32:08,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:32:08,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:32:08,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:32:08,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:32:08,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:32:08,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:32:08,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:32:08,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:32:08,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:32:08,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:32:08,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:32:08,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:32:08,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:32:08,876 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:32:08,876 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:32:08,877 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:32:08,877 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:32:08,877 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:32:08,878 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:32:08,878 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:32:08,878 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:32:08,878 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:32:08,879 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:32:08,879 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:32:08,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:32:08,880 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:32:08,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:32:08,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:32:08,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:32:08,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:32:08,881 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:32:08,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:32:08,881 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:32:08,882 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:32:08,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:32:08,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:32:08,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:32:08,883 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:32:08,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:32:08,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:32:08,884 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:32:08,885 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:32:08,885 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 -> c762bce629f36cf7371b941fff55f6d65cb160f7 [2019-11-28 03:32:09,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:32:09,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:32:09,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:32:09,212 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:32:09,213 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:32:09,214 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-11-28 03:32:09,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d956c5ce/deaaba458b854f9197d67af91e2b022d/FLAGcf274ae20 [2019-11-28 03:32:09,857 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:32:09,858 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product06.cil.c [2019-11-28 03:32:09,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d956c5ce/deaaba458b854f9197d67af91e2b022d/FLAGcf274ae20 [2019-11-28 03:32:10,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d956c5ce/deaaba458b854f9197d67af91e2b022d [2019-11-28 03:32:10,220 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:32:10,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:32:10,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:32:10,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:32:10,226 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:32:10,227 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c12937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10, skipping insertion in model container [2019-11-28 03:32:10,231 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:32:10,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:32:10,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:32:10,721 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:32:10,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:32:10,834 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:32:10,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10 WrapperNode [2019-11-28 03:32:10,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:32:10,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:32:10,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:32:10,838 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:32:10,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:32:10,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:32:10,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:32:10,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:32:10,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,921 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,936 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... [2019-11-28 03:32:10,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:32:10,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:32:10,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:32:10,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:32:10,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:32:11,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:32:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:32:11,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:32:11,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:32:11,796 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:32:11,797 INFO L297 CfgBuilder]: Removed 104 assume(true) statements. [2019-11-28 03:32:11,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:11 BoogieIcfgContainer [2019-11-28 03:32:11,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:32:11,799 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:32:11,800 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:32:11,803 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:32:11,804 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:11,804 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:32:10" (1/3) ... [2019-11-28 03:32:11,805 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e2d3872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:32:11, skipping insertion in model container [2019-11-28 03:32:11,806 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:11,806 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:10" (2/3) ... [2019-11-28 03:32:11,806 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e2d3872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:32:11, skipping insertion in model container [2019-11-28 03:32:11,807 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:11,807 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:11" (3/3) ... [2019-11-28 03:32:11,808 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product06.cil.c [2019-11-28 03:32:11,848 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:32:11,849 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:32:11,849 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:32:11,849 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:32:11,849 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:32:11,850 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:32:11,850 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:32:11,850 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:32:11,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 03:32:11,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:32:11,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:11,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:11,901 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:11,902 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:11,902 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:32:11,902 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 03:32:11,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:32:11,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:11,909 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:11,910 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:11,910 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:11,916 INFO L794 eck$LassoCheckResult]: Stem: 35#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);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(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 12#L-1true havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; 58#L74true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 52#L82true main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 6#L471true assume 0 != main_~tmp~2; 70#L448true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 8#L866-1true [2019-11-28 03:32:11,917 INFO L796 eck$LassoCheckResult]: Loop: 8#L866-1true assume !false; 7#L252true assume test_~splverifierCounter~0 < 4; 25#L253true test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 47#L261true assume !(0 != test_~tmp~1); 66#L261-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 19#L271true assume !(0 != test_~tmp___0~0); 44#L271-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 18#L281true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 32#L289-2true assume !(0 != ~pumpRunning~0); 53#L104true assume !(0 != ~systemActive~0); 46#L111true havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 56#L352-1true __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 40#L860true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 8#L866-1true [2019-11-28 03:32:11,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:11,924 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:32:11,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:11,933 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640479733] [2019-11-28 03:32:11,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:12,286 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:12,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:12,288 INFO L82 PathProgramCache]: Analyzing trace with hash -1680944970, now seen corresponding path program 1 times [2019-11-28 03:32:12,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:12,290 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487869900] [2019-11-28 03:32:12,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:32:12,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:32:12,357 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487869900] [2019-11-28 03:32:12,358 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:32:12,358 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:32:12,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370742300] [2019-11-28 03:32:12,368 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:32:12,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:32:12,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:32:12,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:32:12,391 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2019-11-28 03:32:12,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:32:12,460 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2019-11-28 03:32:12,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:32:12,464 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2019-11-28 03:32:12,468 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:32:12,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-11-28 03:32:12,476 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-11-28 03:32:12,476 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-11-28 03:32:12,477 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-11-28 03:32:12,478 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:32:12,478 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:32:12,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-11-28 03:32:12,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-28 03:32:12,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 03:32:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-28 03:32:12,510 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:32:12,510 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:32:12,510 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:32:12,511 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-11-28 03:32:12,513 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:32:12,513 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:12,513 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:12,514 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:12,514 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:12,515 INFO L794 eck$LassoCheckResult]: Stem: 205#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);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(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 168#L-1 havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; 169#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 214#L82 main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 160#L471 assume 0 != main_~tmp~2; 161#L448 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 156#L866-1 [2019-11-28 03:32:12,515 INFO L796 eck$LassoCheckResult]: Loop: 156#L866-1 assume !false; 162#L252 assume test_~splverifierCounter~0 < 4; 163#L253 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 191#L261 assume !(0 != test_~tmp~1); 212#L261-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 177#L271 assume !(0 != test_~tmp___0~0); 178#L271-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 174#L281 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 175#L289-2 assume !(0 != ~pumpRunning~0); 203#L104 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 192#L136 assume !(0 != ~pumpRunning~0); 193#L111 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 210#L352-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 208#L860 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 156#L866-1 [2019-11-28 03:32:12,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:12,516 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:32:12,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:12,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940548677] [2019-11-28 03:32:12,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:12,715 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:12,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:12,716 INFO L82 PathProgramCache]: Analyzing trace with hash -590214418, now seen corresponding path program 1 times [2019-11-28 03:32:12,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:12,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108481364] [2019-11-28 03:32:12,717 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:12,739 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:12,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:12,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1012825108, now seen corresponding path program 1 times [2019-11-28 03:32:12,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:12,741 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401969431] [2019-11-28 03:32:12,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:32:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:32:12,866 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401969431] [2019-11-28 03:32:12,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:32:12,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:32:12,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311535680] [2019-11-28 03:32:12,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:32:12,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:32:12,998 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:32:12,999 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. cyclomatic complexity: 27 Second operand 5 states. [2019-11-28 03:32:13,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:32:13,251 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2019-11-28 03:32:13,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 03:32:13,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 300 transitions. [2019-11-28 03:32:13,261 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2019-11-28 03:32:13,270 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 300 transitions. [2019-11-28 03:32:13,272 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2019-11-28 03:32:13,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2019-11-28 03:32:13,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 300 transitions. [2019-11-28 03:32:13,277 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:32:13,279 INFO L688 BuchiCegarLoop]: Abstraction has 211 states and 300 transitions. [2019-11-28 03:32:13,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 300 transitions. [2019-11-28 03:32:13,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 124. [2019-11-28 03:32:13,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 03:32:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2019-11-28 03:32:13,307 INFO L711 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2019-11-28 03:32:13,308 INFO L591 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2019-11-28 03:32:13,308 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:32:13,308 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 170 transitions. [2019-11-28 03:32:13,311 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2019-11-28 03:32:13,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:13,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:13,312 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:13,313 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:13,313 INFO L794 eck$LassoCheckResult]: Stem: 505#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);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(21);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 464#L-1 havoc main_#res;havoc main_#t~ret33, main_~retValue_acc~6, main_~tmp~2;havoc main_~retValue_acc~6;havoc main_~tmp~2; 465#L74 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 519#L82 main_#t~ret33 := valid_product_#res;main_~tmp~2 := main_#t~ret33;havoc main_#t~ret33; 454#L471 assume 0 != main_~tmp~2; 455#L448 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 459#L866-1 [2019-11-28 03:32:13,314 INFO L796 eck$LassoCheckResult]: Loop: 459#L866-1 assume !false; 460#L252 assume test_~splverifierCounter~0 < 4; 488#L253 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 489#L261 assume !(0 != test_~tmp~1); 569#L261-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 568#L271 assume !(0 != test_~tmp___0~0); 567#L271-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 566#L281 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 502#L289-2 assume !(0 != ~pumpRunning~0); 503#L104 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 490#L136 assume !(0 != ~pumpRunning~0); 491#L111 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 520#L352-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 521#L860 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~5;havoc getWaterLevel_~retValue_acc~5;getWaterLevel_~retValue_acc~5 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~5; 495#L384 __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 496#L866 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 459#L866-1 [2019-11-28 03:32:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:13,315 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 03:32:13,315 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:13,316 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467336095] [2019-11-28 03:32:13,316 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:13,397 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:13,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:13,398 INFO L82 PathProgramCache]: Analyzing trace with hash -260366912, now seen corresponding path program 1 times [2019-11-28 03:32:13,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:13,399 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263802770] [2019-11-28 03:32:13,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:13,411 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:13,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:13,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1632641690, now seen corresponding path program 1 times [2019-11-28 03:32:13,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:13,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047244236] [2019-11-28 03:32:13,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:13,486 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:13,598 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-11-28 03:32:42,608 WARN L192 SmtUtils]: Spent 28.95 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:32:56,413 WARN L192 SmtUtils]: Spent 13.80 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:32:56,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:32:56 BoogieIcfgContainer [2019-11-28 03:32:56,515 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:32:56,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:32:56,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:32:56,516 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:32:56,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:11" (3/4) ... [2019-11-28 03:32:56,522 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:32:56,606 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:32:56,606 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:32:56,608 INFO L168 Benchmark]: Toolchain (without parser) took 46386.47 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 955.0 MB in the beginning and 1.2 GB in the end (delta: -266.1 MB). Peak memory consumption was 35.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:56,608 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:32:56,609 INFO L168 Benchmark]: CACSL2BoogieTranslator took 614.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:56,610 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:56,611 INFO L168 Benchmark]: Boogie Preprocessor took 46.32 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 03:32:56,611 INFO L168 Benchmark]: RCFGBuilder took 845.80 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:56,612 INFO L168 Benchmark]: BuchiAutomizer took 44715.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -163.0 MB). Peak memory consumption was 380.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:56,613 INFO L168 Benchmark]: Witness Printer took 90.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-11-28 03:32:56,616 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 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 614.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.0 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.41 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 46.32 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 845.80 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 44715.31 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 162.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -163.0 MB). Peak memory consumption was 380.3 MB. Max. memory is 11.5 GB. * Witness Printer took 90.65 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 124 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 44.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 44.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 87 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 124 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 205 SDtfs, 399 SDslu, 325 SDs, 0 SdLazy, 82 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 251]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4970} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=10913, NULL=10910, NULL=0, NULL=4970, retValue_acc=0, NULL=0, NULL=4976, NULL=4975, NULL=11310, methaneLevelCritical=0, NULL=4977, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6cbdf583=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74028675=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5117863a=0, NULL=4972, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@177868a6=0, cleanupTimeShifts=4, tmp=0, NULL=10916, NULL=4974, tmp___0=1, tmp=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=4973, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=4979, \result=1, NULL=10908, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@674e1fa4=0, NULL=10909, \result=0, NULL=4980, NULL=10915, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7254cf6=0, NULL=10914, retValue_acc=1, tmp___2=53, NULL=10907, NULL=10912, retValue_acc=1, splverifierCounter=0, \result=0, NULL=6220, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14cd88a5=0, tmp=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@485eba41=53, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e866324=0, NULL=0, NULL=0, NULL=4978, NULL=0, NULL=10906, NULL=11311, NULL=6219, NULL=4971, NULL=10911} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L96] int pumpRunning = 0; [L97] int systemActive = 1; [L309] int waterLevel = 1; [L310] int methaneLevelCritical = 0; [L389] int cleanupTimeShifts = 4; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L462] int retValue_acc ; [L463] int tmp ; [L78] int retValue_acc ; [L81] retValue_acc = 1 [L82] return (retValue_acc); [L469] tmp = valid_product() [L471] COND TRUE \read(tmp) [L242] int splverifierCounter ; [L243] int tmp ; [L244] int tmp___0 ; [L245] int tmp___1 ; [L246] int tmp___2 ; [L249] splverifierCounter = 0 Loop: [L251] COND TRUE 1 [L253] COND TRUE splverifierCounter < 4 [L259] tmp = __VERIFIER_nondet_int() [L261] COND FALSE !(\read(tmp)) [L269] tmp___0 = __VERIFIER_nondet_int() [L271] COND FALSE !(\read(tmp___0)) [L279] tmp___2 = __VERIFIER_nondet_int() [L281] COND TRUE \read(tmp___2) [L233] systemActive = 1 [L104] COND FALSE !(\read(pumpRunning)) [L111] COND TRUE \read(systemActive) [L133] int tmp ; [L136] COND FALSE !(\read(pumpRunning)) [L852] int tmp ; [L853] int tmp___0 ; [L854] int tmp___1 ; [L348] int retValue_acc ; [L351] retValue_acc = methaneLevelCritical [L352] return (retValue_acc); [L858] tmp = isMethaneLevelCritical() [L860] COND FALSE !(\read(tmp)) [L380] int retValue_acc ; [L383] retValue_acc = waterLevel [L384] return (retValue_acc); [L864] tmp___0 = getWaterLevel() [L866] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...