./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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_spec1_product17.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 d2adcf2b9b8b03691138caa579df024fc7b4a734 ................................................................................................................................................................................................................................................................................................................................................................ 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 03:25:39,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:25:39,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:25:39,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:25:39,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:25:39,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:25:39,894 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:25:39,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:25:39,898 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:25:39,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:25:39,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:25:39,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:25:39,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:25:39,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:25:39,904 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:25:39,905 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:25:39,906 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:25:39,907 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:25:39,909 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:25:39,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:25:39,913 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:25:39,914 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:25:39,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:25:39,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:25:39,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:25:39,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:25:39,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:25:39,920 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:25:39,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:25:39,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:25:39,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:25:39,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:25:39,923 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:25:39,924 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:25:39,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:25:39,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:25:39,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:25:39,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:25:39,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:25:39,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:25:39,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:25:39,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:25:39,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:25:39,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:25:39,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:25:39,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:25:39,949 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:25:39,949 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:25:39,949 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:25:39,949 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:25:39,950 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:25:39,950 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:25:39,950 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:25:39,950 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:25:39,950 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:25:39,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:25:39,951 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:25:39,951 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:25:39,951 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:25:39,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:25:39,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:25:39,952 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:25:39,952 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:25:39,952 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:25:39,953 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:25:39,953 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:25:39,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:25:39,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:25:39,953 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:25:39,954 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:25:39,954 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:25:39,954 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:25:39,954 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:25:39,955 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:25:39,956 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 -> d2adcf2b9b8b03691138caa579df024fc7b4a734 [2019-11-28 03:25:40,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:25:40,276 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:25:40,279 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:25:40,280 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:25:40,281 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:25:40,281 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-11-28 03:25:40,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a1e00e3/f5331037c1594b74b74b23c06fa013a1/FLAG1ea7dfffc [2019-11-28 03:25:40,851 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:25:40,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2019-11-28 03:25:40,877 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a1e00e3/f5331037c1594b74b74b23c06fa013a1/FLAG1ea7dfffc [2019-11-28 03:25:41,189 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1a1e00e3/f5331037c1594b74b74b23c06fa013a1 [2019-11-28 03:25:41,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:25:41,194 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:25:41,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:41,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:25:41,200 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:25:41,201 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:41,205 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bfba7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41, skipping insertion in model container [2019-11-28 03:25:41,205 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:41,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:25:41,281 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:25:41,796 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:41,820 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:25:41,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:25:41,940 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:25:41,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41 WrapperNode [2019-11-28 03:25:41,941 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:25:41,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:41,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:25:41,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:25:41,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:41,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:25:42,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:25:42,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:25:42,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:25:42,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,039 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,046 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (1/1) ... [2019-11-28 03:25:42,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:25:42,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:25:42,053 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:25:42,053 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:25:42,054 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (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 03:25:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:25:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:25:42,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:25:42,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:25:42,867 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:25:42,868 INFO L297 CfgBuilder]: Removed 96 assume(true) statements. [2019-11-28 03:25:42,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:42 BoogieIcfgContainer [2019-11-28 03:25:42,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:25:42,870 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:25:42,871 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:25:42,874 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:25:42,875 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:42,875 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:25:41" (1/3) ... [2019-11-28 03:25:42,877 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d5f65e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:42, skipping insertion in model container [2019-11-28 03:25:42,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:42,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:25:41" (2/3) ... [2019-11-28 03:25:42,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d5f65e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:25:42, skipping insertion in model container [2019-11-28 03:25:42,878 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:25:42,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:42" (3/3) ... [2019-11-28 03:25:42,880 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2019-11-28 03:25:42,926 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:25:42,926 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:25:42,927 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:25:42,927 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:25:42,927 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:25:42,927 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:25:42,928 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:25:42,928 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:25:42,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 03:25:42,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:25:42,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:42,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:42,981 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:42,981 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:42,982 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:25:42,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 03:25:42,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:25:42,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:42,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:42,988 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:42,989 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:42,995 INFO L794 eck$LassoCheckResult]: Stem: 38#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(77, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(101, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(116, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(104, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string62.base, #t~string62.offset, 1);call write~init~int(82, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(73, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(84, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 4 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(75, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 15#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 40#L882true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 57#L890true main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 62#L525true assume 0 != main_~tmp~4; 41#L498true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L51-1true [2019-11-28 03:25:42,995 INFO L796 eck$LassoCheckResult]: Loop: 10#L51-1true assume !false; 54#L806true assume test_~splverifierCounter~0 < 4; 71#L807true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 27#L815true assume !(0 != test_~tmp~7); 4#L815-1true test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 59#L825true assume !(0 != test_~tmp___0~2); 61#L825-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 46#L835true assume 0 != test_~tmp___2~0; 22#L841-2true assume !(0 != ~pumpRunning~0); 43#L560true assume !(0 != ~systemActive~0); 31#L567true havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 7#L749true __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 13#L51true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 10#L51-1true [2019-11-28 03:25:43,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:43,003 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:25:43,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:43,012 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883146469] [2019-11-28 03:25:43,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:43,369 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:43,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:43,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683774, now seen corresponding path program 1 times [2019-11-28 03:25:43,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:43,372 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651845929] [2019-11-28 03:25:43,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:43,390 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:43,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:43,392 INFO L82 PathProgramCache]: Analyzing trace with hash 32595164, now seen corresponding path program 1 times [2019-11-28 03:25:43,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:43,393 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853196612] [2019-11-28 03:25:43,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:25:43,604 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 03:25:43,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853196612] [2019-11-28 03:25:43,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:25:43,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:25:43,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421728279] [2019-11-28 03:25:43,722 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:25:43,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:25:43,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:25:43,741 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-11-28 03:25:43,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:25:43,916 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-11-28 03:25:43,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:25:43,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-11-28 03:25:43,927 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:25:43,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-11-28 03:25:43,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-11-28 03:25:43,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-11-28 03:25:43,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-11-28 03:25:43,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:25:43,940 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:25:43,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-11-28 03:25:43,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-28 03:25:43,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 03:25:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-28 03:25:43,980 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:25:43,980 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 03:25:43,980 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:25:43,980 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-11-28 03:25:43,982 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:25:43,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:25:43,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:25:43,983 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:25:43,983 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:25:43,984 INFO L794 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(30);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(9);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(21);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(30);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(9);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(25);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(25);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(13);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string43.base, #t~string43.offset, 1);call write~init~int(110, #t~string43.base, 1 + #t~string43.offset, 1);call write~init~int(0, #t~string43.base, 2 + #t~string43.offset, 1);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(102, #t~string45.base, 2 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 3 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string47.base, #t~string47.offset, 1);call write~init~int(80, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(117, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(109, #t~string47.base, 3 + #t~string47.offset, 1);call write~init~int(112, #t~string47.base, 4 + #t~string47.offset, 1);call write~init~int(58, #t~string47.base, 5 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 6 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(110, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 2 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(102, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 3 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string53.base, #t~string53.offset, 1);call write~init~int(32, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string55.base, #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 1 + #t~string55.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string60.base, #t~string60.offset, 1);call write~init~int(77, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(101, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(116, #t~string60.base, 3 + #t~string60.offset, 1);call write~init~int(104, #t~string60.base, 4 + #t~string60.offset, 1);call write~init~int(58, #t~string60.base, 5 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 6 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string62.base, #t~string62.offset, 1);call write~init~int(82, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(73, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(84, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 4 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(75, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 187#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4; 188#L882 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 208#L890 main_#t~ret37 := valid_product_#res;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 224#L525 assume 0 != main_~tmp~4; 209#L498 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 177#L51-1 [2019-11-28 03:25:43,984 INFO L796 eck$LassoCheckResult]: Loop: 177#L51-1 assume !false; 178#L806 assume test_~splverifierCounter~0 < 4; 220#L807 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 199#L815 assume !(0 != test_~tmp~7); 168#L815-1 test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 169#L825 assume !(0 != test_~tmp___0~2); 218#L825-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 215#L835 assume 0 != test_~tmp___2~0; 191#L841-2 assume !(0 != ~pumpRunning~0); 195#L560 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret38, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 197#L592 assume !(0 != ~pumpRunning~0); 185#L567 havoc __utac_acc__Specification1_spec__1_#t~ret0, __utac_acc__Specification1_spec__1_#t~ret1, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~7;havoc isMethaneLevelCritical_~retValue_acc~7;isMethaneLevelCritical_~retValue_acc~7 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~7; 172#L749 __utac_acc__Specification1_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret0;havoc __utac_acc__Specification1_spec__1_#t~ret0; 173#L51 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 177#L51-1 [2019-11-28 03:25:43,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:43,984 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:25:43,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:43,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458621047] [2019-11-28 03:25:43,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:44,131 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:44,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:44,135 INFO L82 PathProgramCache]: Analyzing trace with hash -619582373, now seen corresponding path program 1 times [2019-11-28 03:25:44,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:44,135 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401776098] [2019-11-28 03:25:44,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:44,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:25:44,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:25:44,153 INFO L82 PathProgramCache]: Analyzing trace with hash 983457153, now seen corresponding path program 1 times [2019-11-28 03:25:44,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:25:44,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598379275] [2019-11-28 03:25:44,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:25:44,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:25:44,293 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:26:10,274 WARN L192 SmtUtils]: Spent 25.90 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:26:23,140 WARN L192 SmtUtils]: Spent 12.86 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:26:23,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:26:23 BoogieIcfgContainer [2019-11-28 03:26:23,228 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:26:23,229 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:26:23,229 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:26:23,229 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:26:23,230 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:25:42" (3/4) ... [2019-11-28 03:26:23,232 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:26:23,292 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:26:23,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:26:23,294 INFO L168 Benchmark]: Toolchain (without parser) took 42100.22 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 267.9 MB). Free memory was 959.0 MB in the beginning and 790.8 MB in the end (delta: 168.2 MB). Peak memory consumption was 436.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:23,295 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:23,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 745.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:23,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:23,297 INFO L168 Benchmark]: Boogie Preprocessor took 38.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:23,298 INFO L168 Benchmark]: RCFGBuilder took 816.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:23,299 INFO L168 Benchmark]: BuchiAutomizer took 40357.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.0 GB in the beginning and 790.8 MB in the end (delta: 221.2 MB). Peak memory consumption was 405.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:26:23,299 INFO L168 Benchmark]: Witness Printer took 63.96 ms. Allocated memory is still 1.3 GB. Free memory is still 790.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:26:23,303 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 745.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 91.2 MB). Free memory was 959.0 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 72.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 816.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40357.81 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.0 GB in the beginning and 790.8 MB in the end (delta: 221.2 MB). Peak memory consumption was 405.8 MB. Max. memory is 11.5 GB. * Witness Printer took 63.96 ms. Allocated memory is still 1.3 GB. Free memory is still 790.8 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 283 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: 805]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=108} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=111, NULL=108, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=132, methaneLevelCritical=0, retValue_acc=1, NULL=113, NULL=126, NULL=0, tmp=0, tmp___1=0, NULL=125, NULL=124, NULL=120, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25418a41=0, NULL=131, NULL=117, NULL=130, NULL=116, NULL=127, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@408016cf=0, NULL=0, NULL=0, retValue_acc=0, NULL=110, NULL=0, NULL=128, NULL=109, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=119, \result=0, NULL=129, tmp=1, NULL=133, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@511352e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f6dc6d9=70, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8efde5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7234ec12=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@237d881e=0, NULL=118, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5dc3ca4a=0, tmp___2=70, tmp___0=0, NULL=123, splverifierCounter=0, \result=0, head=0, tmp=0, NULL=115, NULL=0, NULL=0, NULL=121, NULL=0, NULL=0, NULL=112, NULL=114, NULL=122} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L435] int cleanupTimeShifts = 4; [L553] int pumpRunning = 0; [L554] int systemActive = 1; [L706] int waterLevel = 1; [L707] int methaneLevelCritical = 0; [L516] int retValue_acc ; [L517] int tmp ; [L886] int retValue_acc ; [L889] retValue_acc = 1 [L890] return (retValue_acc); [L523] tmp = valid_product() [L525] COND TRUE \read(tmp) [L796] int splverifierCounter ; [L797] int tmp ; [L798] int tmp___0 ; [L799] int tmp___1 ; [L800] int tmp___2 ; [L803] splverifierCounter = 0 Loop: [L805] COND TRUE 1 [L807] COND TRUE splverifierCounter < 4 [L813] tmp = __VERIFIER_nondet_int() [L815] COND FALSE !(\read(tmp)) [L823] tmp___0 = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp___0)) [L833] tmp___2 = __VERIFIER_nondet_int() [L835] COND TRUE \read(tmp___2) [L560] COND FALSE !(\read(pumpRunning)) [L567] COND TRUE \read(systemActive) [L589] int tmp ; [L592] COND FALSE !(\read(pumpRunning)) [L44] int tmp ; [L45] int tmp___0 ; [L745] int retValue_acc ; [L748] retValue_acc = methaneLevelCritical [L749] return (retValue_acc); [L49] tmp = isMethaneLevelCritical() [L51] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...