./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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_spec2_product05.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 384c0d348196326a7d81e106f1c497f9cd3f1b7c ........................................................................................................................................................................................................................................................................................................................................................................................................................ 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 0.1.25-8bd4bc6 [2020-07-29 02:31:30,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:31:30,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:31:30,751 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:31:30,751 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:31:30,754 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:31:30,755 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:31:30,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:31:30,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:31:30,772 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:31:30,773 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:31:30,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:31:30,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:31:30,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:31:30,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:31:30,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:31:30,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:31:30,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:31:30,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:31:30,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:31:30,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:31:30,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:31:30,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:31:30,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:31:30,802 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:31:30,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:31:30,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:31:30,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:31:30,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:31:30,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:31:30,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:31:30,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:31:30,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:31:30,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:31:30,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:31:30,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:31:30,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:31:30,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:31:30,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:31:30,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:31:30,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:31:30,813 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:31:30,852 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:31:30,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:31:30,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:31:30,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:31:30,854 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:31:30,854 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:31:30,855 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:31:30,855 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:31:30,855 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:31:30,856 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:31:30,856 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:31:30,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:31:30,856 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:31:30,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:31:30,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:31:30,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:31:30,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:31:30,858 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:31:30,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:31:30,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:31:30,859 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:31:30,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:31:30,859 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:31:30,860 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:31:30,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:31:30,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:31:30,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:31:30,864 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:31:30,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:31:30,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:31:30,865 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:31:30,865 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:31:30,867 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:31:30,868 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 -> 384c0d348196326a7d81e106f1c497f9cd3f1b7c [2020-07-29 02:31:31,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:31:31,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:31:31,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:31:31,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:31:31,182 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:31:31,183 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-07-29 02:31:31,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22904ec33/cc6ad419ec934f8188753ca7cca7e97b/FLAGc2abea215 [2020-07-29 02:31:31,734 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:31:31,735 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product05.cil.c [2020-07-29 02:31:31,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22904ec33/cc6ad419ec934f8188753ca7cca7e97b/FLAGc2abea215 [2020-07-29 02:31:32,073 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22904ec33/cc6ad419ec934f8188753ca7cca7e97b [2020-07-29 02:31:32,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:31:32,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:31:32,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:31:32,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:31:32,083 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:31:32,084 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d5f70b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32, skipping insertion in model container [2020-07-29 02:31:32,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,097 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:31:32,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:31:32,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:31:32,575 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:31:32,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:31:32,720 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:31:32,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32 WrapperNode [2020-07-29 02:31:32,723 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:31:32,725 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:31:32,725 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:31:32,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:31:32,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:31:32,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:31:32,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:31:32,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:31:32,836 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (1/1) ... [2020-07-29 02:31:32,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:31:32,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:31:32,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:31:32,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:31:32,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (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 [2020-07-29 02:31:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 02:31:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 02:31:32,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:31:32,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:31:34,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:31:34,064 INFO L295 CfgBuilder]: Removed 98 assume(true) statements. [2020-07-29 02:31:34,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:34 BoogieIcfgContainer [2020-07-29 02:31:34,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:31:34,070 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:31:34,070 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:31:34,074 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:31:34,075 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:34,075 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:31:32" (1/3) ... [2020-07-29 02:31:34,076 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3de174f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:31:34, skipping insertion in model container [2020-07-29 02:31:34,076 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:34,077 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:31:32" (2/3) ... [2020-07-29 02:31:34,077 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3de174f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:31:34, skipping insertion in model container [2020-07-29 02:31:34,077 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:31:34,078 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:34" (3/3) ... [2020-07-29 02:31:34,079 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product05.cil.c [2020-07-29 02:31:34,130 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:31:34,131 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:31:34,131 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:31:34,132 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:31:34,132 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:31:34,132 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:31:34,133 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:31:34,133 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:31:34,149 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2020-07-29 02:31:34,193 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-07-29 02:31:34,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:34,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:34,202 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:34,202 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:34,202 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:31:34,203 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2020-07-29 02:31:34,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2020-07-29 02:31:34,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:34,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:34,215 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:34,215 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:34,221 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 70#L412true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 3#L420true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 40#L132true assume 0 != main_~tmp~0; 21#L103true ~methAndRunningLastTime~0 := 0; 42#L155true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 41#L166-1true [2020-07-29 02:31:34,223 INFO L796 eck$LassoCheckResult]: Loop: 41#L166-1true assume !false; 45#L199true assume test_~splverifierCounter~0 < 4; 64#L200true test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 5#L208true assume !(0 != test_~tmp~2); 4#L208-1true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 62#L218true assume !(0 != test_~tmp___0~1); 72#L218-1true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 61#L228true assume 0 != test_~tmp___2~0; 8#L234-2true assume !(0 != ~pumpRunning~0); 24#L264true assume !(0 != ~systemActive~0); 17#L271true havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 26#L469-1true __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 43#L166true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 41#L166-1true [2020-07-29 02:31:34,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:34,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-07-29 02:31:34,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:34,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256677045] [2020-07-29 02:31:34,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,479 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,588 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,626 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:34,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:34,628 INFO L82 PathProgramCache]: Analyzing trace with hash 2383754, now seen corresponding path program 1 times [2020-07-29 02:31:34,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:34,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266749786] [2020-07-29 02:31:34,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,635 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:34,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:34,645 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:34,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:34,647 INFO L82 PathProgramCache]: Analyzing trace with hash 835680260, now seen corresponding path program 1 times [2020-07-29 02:31:34,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:34,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300860303] [2020-07-29 02:31:34,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 02:31:34,833 INFO L280 TraceCheckUtils]: 0: Hoare triple {78#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {80#(= 1 ~systemActive~0)} is VALID [2020-07-29 02:31:34,835 INFO L280 TraceCheckUtils]: 1: Hoare triple {80#(= 1 ~systemActive~0)} havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; {80#(= 1 ~systemActive~0)} is VALID [2020-07-29 02:31:34,836 INFO L280 TraceCheckUtils]: 2: Hoare triple {80#(= 1 ~systemActive~0)} havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; {81#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} is VALID [2020-07-29 02:31:34,837 INFO L280 TraceCheckUtils]: 3: Hoare triple {81#(= |ULTIMATE.start_valid_product_#res| ~systemActive~0)} main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; {82#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} is VALID [2020-07-29 02:31:34,838 INFO L280 TraceCheckUtils]: 4: Hoare triple {82#(= ULTIMATE.start_main_~tmp~0 ~systemActive~0)} assume 0 != main_~tmp~0; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,838 INFO L280 TraceCheckUtils]: 5: Hoare triple {83#(not (= 0 ~systemActive~0))} ~methAndRunningLastTime~0 := 0; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,839 INFO L280 TraceCheckUtils]: 6: Hoare triple {83#(not (= 0 ~systemActive~0))} havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,840 INFO L280 TraceCheckUtils]: 7: Hoare triple {83#(not (= 0 ~systemActive~0))} assume !false; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,841 INFO L280 TraceCheckUtils]: 8: Hoare triple {83#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0 < 4; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,842 INFO L280 TraceCheckUtils]: 9: Hoare triple {83#(not (= 0 ~systemActive~0))} test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,842 INFO L280 TraceCheckUtils]: 10: Hoare triple {83#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~2); {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,843 INFO L280 TraceCheckUtils]: 11: Hoare triple {83#(not (= 0 ~systemActive~0))} test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,844 INFO L280 TraceCheckUtils]: 12: Hoare triple {83#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1); {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,845 INFO L280 TraceCheckUtils]: 13: Hoare triple {83#(not (= 0 ~systemActive~0))} test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,846 INFO L280 TraceCheckUtils]: 14: Hoare triple {83#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0; {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,846 INFO L280 TraceCheckUtils]: 15: Hoare triple {83#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {83#(not (= 0 ~systemActive~0))} is VALID [2020-07-29 02:31:34,847 INFO L280 TraceCheckUtils]: 16: Hoare triple {83#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {79#false} is VALID [2020-07-29 02:31:34,848 INFO L280 TraceCheckUtils]: 17: Hoare triple {79#false} havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; {79#false} is VALID [2020-07-29 02:31:34,848 INFO L280 TraceCheckUtils]: 18: Hoare triple {79#false} __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; {79#false} is VALID [2020-07-29 02:31:34,848 INFO L280 TraceCheckUtils]: 19: Hoare triple {79#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; {79#false} is VALID [2020-07-29 02:31:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 02:31:34,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300860303] [2020-07-29 02:31:34,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-29 02:31:34,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-29 02:31:34,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674247660] [2020-07-29 02:31:34,968 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-29 02:31:34,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-29 02:31:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-29 02:31:34,986 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 6 states. [2020-07-29 02:31:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:31:35,633 INFO L93 Difference]: Finished difference Result 70 states and 95 transitions. [2020-07-29 02:31:35,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-29 02:31:35,635 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-29 02:31:35,674 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 02:31:35,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 95 transitions. [2020-07-29 02:31:35,683 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-07-29 02:31:35,693 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2020-07-29 02:31:35,695 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2020-07-29 02:31:35,695 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2020-07-29 02:31:35,696 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2020-07-29 02:31:35,697 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 02:31:35,697 INFO L688 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-07-29 02:31:35,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2020-07-29 02:31:35,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-29 02:31:35,736 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 02:31:35,736 INFO L82 GeneralOperation]: Start isEquivalent. First operand 63 states and 88 transitions. Second operand 63 states. [2020-07-29 02:31:35,737 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states and 88 transitions. Second operand 63 states. [2020-07-29 02:31:35,739 INFO L87 Difference]: Start difference. First operand 63 states and 88 transitions. Second operand 63 states. [2020-07-29 02:31:35,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:31:35,744 INFO L93 Difference]: Finished difference Result 63 states and 88 transitions. [2020-07-29 02:31:35,745 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2020-07-29 02:31:35,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:31:35,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:31:35,747 INFO L74 IsIncluded]: Start isIncluded. First operand 63 states. Second operand 63 states and 88 transitions. [2020-07-29 02:31:35,747 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 63 states and 88 transitions. [2020-07-29 02:31:35,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 02:31:35,751 INFO L93 Difference]: Finished difference Result 63 states and 88 transitions. [2020-07-29 02:31:35,751 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 88 transitions. [2020-07-29 02:31:35,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 02:31:35,753 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 02:31:35,753 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 02:31:35,753 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 02:31:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-29 02:31:35,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2020-07-29 02:31:35,758 INFO L711 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-07-29 02:31:35,758 INFO L591 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2020-07-29 02:31:35,759 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 02:31:35,759 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2020-07-29 02:31:35,760 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2020-07-29 02:31:35,761 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:31:35,761 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:31:35,761 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:35,762 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-29 02:31:35,762 INFO L794 eck$LassoCheckResult]: Stem: 198#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);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(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 178#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 179#L412 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 158#L420 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 159#L132 assume 0 != main_~tmp~0; 190#L103 ~methAndRunningLastTime~0 := 0; 191#L155 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 183#L166-1 [2020-07-29 02:31:35,762 INFO L796 eck$LassoCheckResult]: Loop: 183#L166-1 assume !false; 203#L199 assume test_~splverifierCounter~0 < 4; 208#L200 test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 162#L208 assume !(0 != test_~tmp~2); 160#L208-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 161#L218 assume !(0 != test_~tmp___0~1); 220#L218-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 218#L228 assume 0 != test_~tmp___2~0; 170#L234-2 assume !(0 != ~pumpRunning~0); 171#L264 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 173#L296 assume !(0 != ~pumpRunning~0); 174#L271 havoc __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_#t~ret2, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 186#L469-1 __utac_acc__Specification2_spec__2_#t~ret1 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret1;havoc __utac_acc__Specification2_spec__2_#t~ret1; 196#L166 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 183#L166-1 [2020-07-29 02:31:35,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:35,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2020-07-29 02:31:35,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:35,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510028931] [2020-07-29 02:31:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:35,804 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:35,843 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:35,856 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:35,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:35,857 INFO L82 PathProgramCache]: Analyzing trace with hash 53367905, now seen corresponding path program 1 times [2020-07-29 02:31:35,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:35,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53766375] [2020-07-29 02:31:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:35,863 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:35,866 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:35,870 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:31:35,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:31:35,871 INFO L82 PathProgramCache]: Analyzing trace with hash 115755815, now seen corresponding path program 1 times [2020-07-29 02:31:35,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:31:35,872 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779320054] [2020-07-29 02:31:35,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:31:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:35,910 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:31:35,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:31:35,977 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:32:25,778 WARN L193 SmtUtils]: Spent 49.68 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2020-07-29 02:33:08,883 WARN L193 SmtUtils]: Spent 42.71 s on a formula simplification that was a NOOP. DAG size: 402 [2020-07-29 02:33:09,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 02:33:09 BoogieIcfgContainer [2020-07-29 02:33:09,051 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 02:33:09,051 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 02:33:09,051 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 02:33:09,052 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 02:33:09,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:31:34" (3/4) ... [2020-07-29 02:33:09,060 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-07-29 02:33:09,118 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 02:33:09,118 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 02:33:09,121 INFO L168 Benchmark]: Toolchain (without parser) took 97043.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 325.6 MB). Free memory was 954.9 MB in the beginning and 962.1 MB in the end (delta: -7.3 MB). Peak memory consumption was 318.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:09,121 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:33:09,122 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:09,123 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:09,123 INFO L168 Benchmark]: Boogie Preprocessor took 60.34 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. [2020-07-29 02:33:09,124 INFO L168 Benchmark]: RCFGBuilder took 1182.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.6 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:09,125 INFO L168 Benchmark]: BuchiAutomizer took 94981.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 993.6 MB in the beginning and 962.1 MB in the end (delta: 31.4 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. [2020-07-29 02:33:09,125 INFO L168 Benchmark]: Witness Printer took 67.14 ms. Allocated memory is still 1.4 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:33:09,128 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 644.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -171.7 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 100.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.34 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 1182.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.6 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 94981.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 993.6 MB in the beginning and 962.1 MB in the end (delta: 31.4 MB). Peak memory consumption was 325.3 MB. Max. memory is 11.5 GB. * Witness Printer took 67.14 ms. Allocated memory is still 1.4 GB. Free memory is still 962.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 94.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 93.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 90 SDtfs, 277 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 198]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=14526} State at position 1 is {NULL=0, NULL=0, NULL=14551, NULL=14539, NULL=0, retValue_acc=0, NULL=14526, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14ea2e58=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6601e1a=46, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45d08bc5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27b3c569=0, NULL=14534, NULL=14533, NULL=14538, methaneLevelCritical=0, tmp=0, NULL=0, NULL=0, NULL=14541, NULL=0, NULL=14532, NULL=0, tmp___1=0, NULL=14527, NULL=14546, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@154176a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34d40c01=0, cleanupTimeShifts=4, NULL=14530, NULL=14549, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=14536, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72dcce12=0, NULL=14550, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=14547, head=0, pumpRunning=0, tmp=1, NULL=14537, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e615eb1=0, NULL=14528, NULL=0, NULL=0, NULL=0, NULL=0, NULL=14544, tmp___0=0, retValue_acc=1, NULL=14529, NULL=14545, tmp___2=46, tmp___0=0, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=14535, tmp=0, head=0, NULL=14543, NULL=0, NULL=14542, NULL=0, NULL=14548, NULL=0, tmp=0, NULL=0, NULL=14540, NULL=14531} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L149] int methAndRunningLastTime ; [L257] int pumpRunning = 0; [L258] int systemActive = 1; [L426] int waterLevel = 1; [L427] int methaneLevelCritical = 0; [L684] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L123] int retValue_acc ; [L124] int tmp ; [L416] int retValue_acc ; [L419] retValue_acc = 1 [L420] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L154] methAndRunningLastTime = 0 [L189] int splverifierCounter ; [L190] int tmp ; [L191] int tmp___0 ; [L192] int tmp___1 ; [L193] int tmp___2 ; [L196] splverifierCounter = 0 Loop: [L198] COND TRUE 1 [L200] COND TRUE splverifierCounter < 4 [L206] tmp = __VERIFIER_nondet_int() [L208] COND FALSE !(\read(tmp)) [L216] tmp___0 = __VERIFIER_nondet_int() [L218] COND FALSE !(\read(tmp___0)) [L226] tmp___2 = __VERIFIER_nondet_int() [L228] COND TRUE \read(tmp___2) [L264] COND FALSE !(\read(pumpRunning)) [L271] COND TRUE \read(systemActive) [L293] int tmp ; [L296] COND FALSE !(\read(pumpRunning)) [L159] int tmp ; [L160] int tmp___0 ; [L465] int retValue_acc ; [L468] retValue_acc = methaneLevelCritical [L469] return (retValue_acc); [L164] tmp = isMethaneLevelCritical() [L166] COND FALSE !(\read(tmp)) [L182] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...