./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product55.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_product55.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 f98010979adc33ea49508c52e1057d4173359b78 ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:27:41,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:27:41,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:27:41,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:27:41,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:27:41,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:27:41,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:27:41,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:27:41,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:27:41,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:27:41,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:27:41,904 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:27:41,904 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:27:41,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:27:41,906 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:27:41,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:27:41,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:27:41,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:27:41,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:27:41,912 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:27:41,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:27:41,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:27:41,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:27:41,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:27:41,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:27:41,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:27:41,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:27:41,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:27:41,921 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:27:41,922 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:27:41,922 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:27:41,923 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:27:41,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:27:41,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:27:41,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:27:41,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:27:41,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:27:41,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:27:41,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:27:41,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:27:41,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:27:41,930 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:27:41,947 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:27:41,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:27:41,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:27:41,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:27:41,949 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:27:41,950 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:27:41,950 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:27:41,950 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:27:41,950 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:27:41,950 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:27:41,951 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:27:41,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:27:41,951 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:27:41,951 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:27:41,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:27:41,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:27:41,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:27:41,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:27:41,952 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:27:41,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:27:41,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:27:41,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:27:41,953 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:27:41,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:27:41,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:27:41,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:27:41,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:27:41,955 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:27:41,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:27:41,955 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:27:41,955 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:27:41,956 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:27:41,957 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 -> f98010979adc33ea49508c52e1057d4173359b78 [2019-11-28 03:27:42,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:27:42,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:27:42,307 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:27:42,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:27:42,309 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:27:42,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2019-11-28 03:27:42,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be134e02/19fdd91b3df34e1ba6206ac66de78527/FLAGbeb6462bb [2019-11-28 03:27:42,906 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:27:42,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product55.cil.c [2019-11-28 03:27:42,926 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be134e02/19fdd91b3df34e1ba6206ac66de78527/FLAGbeb6462bb [2019-11-28 03:27:43,221 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7be134e02/19fdd91b3df34e1ba6206ac66de78527 [2019-11-28 03:27:43,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:27:43,227 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:27:43,228 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:27:43,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:27:43,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:27:43,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cebebe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43, skipping insertion in model container [2019-11-28 03:27:43,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:27:43,290 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:27:43,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:27:43,736 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:27:43,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:27:43,882 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:27:43,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43 WrapperNode [2019-11-28 03:27:43,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:27:43,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:27:43,886 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:27:43,886 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:27:43,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,913 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:27:43,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:27:43,969 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:27:43,969 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:27:43,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,991 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:43,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:44,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:44,022 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:44,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (1/1) ... [2019-11-28 03:27:44,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:27:44,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:27:44,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:27:44,036 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:27:44,037 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (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 03:27:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:27:44,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:27:44,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:27:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:27:45,153 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:27:45,153 INFO L297 CfgBuilder]: Removed 280 assume(true) statements. [2019-11-28 03:27:45,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:45 BoogieIcfgContainer [2019-11-28 03:27:45,155 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:27:45,156 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:27:45,156 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:27:45,159 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:27:45,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:27:45,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:27:43" (1/3) ... [2019-11-28 03:27:45,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f68d4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:27:45, skipping insertion in model container [2019-11-28 03:27:45,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:27:45,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:27:43" (2/3) ... [2019-11-28 03:27:45,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f68d4c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:27:45, skipping insertion in model container [2019-11-28 03:27:45,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:27:45,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:45" (3/3) ... [2019-11-28 03:27:45,165 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product55.cil.c [2019-11-28 03:27:45,212 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:27:45,213 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:27:45,213 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:27:45,213 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:27:45,215 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:27:45,215 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:27:45,215 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:27:45,216 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:27:45,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2019-11-28 03:27:45,284 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2019-11-28 03:27:45,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:27:45,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:27:45,294 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:27:45,294 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:27:45,295 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:27:45,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 188 states. [2019-11-28 03:27:45,304 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 123 [2019-11-28 03:27:45,305 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:27:45,305 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:27:45,306 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:27:45,306 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:27:45,312 INFO L794 eck$LassoCheckResult]: Stem: 151#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 16#L-1true havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; 21#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 15#L73true main_#t~ret37 := valid_product_#res;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; 53#L593true assume 0 != main_~tmp~6; 142#L570true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 54#L615-1true [2019-11-28 03:27:45,313 INFO L796 eck$LassoCheckResult]: Loop: 54#L615-1true assume !false; 105#L94true assume test_~splverifierCounter~0 < 4; 48#L95true test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 39#L103true assume !(0 != test_~tmp~0); 34#L103-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 131#L113true assume !(0 != test_~tmp___0~0); 129#L113-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 177#L123true assume 0 != test_~tmp___2~0; 168#L129-1true assume !(0 != ~pumpRunning~0); 179#L167true assume !(0 != ~systemActive~0); 122#L174true havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 4#L442-1true __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; 51#L615true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 54#L615-1true [2019-11-28 03:27:45,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:45,320 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:27:45,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:45,328 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456933399] [2019-11-28 03:27:45,329 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:45,715 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:27:45,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:45,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1667892533, now seen corresponding path program 1 times [2019-11-28 03:27:45,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:45,717 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289804271] [2019-11-28 03:27:45,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:45,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:45,735 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:27:45,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:45,738 INFO L82 PathProgramCache]: Analyzing trace with hash 46386405, now seen corresponding path program 1 times [2019-11-28 03:27:45,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:45,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909450980] [2019-11-28 03:27:45,741 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:27:45,911 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 03:27:45,911 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909450980] [2019-11-28 03:27:45,912 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:27:45,912 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:27:45,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140138508] [2019-11-28 03:27:46,036 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:27:46,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:27:46,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:27:46,057 INFO L87 Difference]: Start difference. First operand 188 states. Second operand 6 states. [2019-11-28 03:27:46,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:27:46,330 INFO L93 Difference]: Finished difference Result 420 states and 618 transitions. [2019-11-28 03:27:46,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 03:27:46,333 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 420 states and 618 transitions. [2019-11-28 03:27:46,354 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 273 [2019-11-28 03:27:46,374 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 420 states to 399 states and 597 transitions. [2019-11-28 03:27:46,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 399 [2019-11-28 03:27:46,378 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 399 [2019-11-28 03:27:46,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 399 states and 597 transitions. [2019-11-28 03:27:46,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:27:46,386 INFO L688 BuchiCegarLoop]: Abstraction has 399 states and 597 transitions. [2019-11-28 03:27:46,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states and 597 transitions. [2019-11-28 03:27:46,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 222. [2019-11-28 03:27:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-11-28 03:27:46,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2019-11-28 03:27:46,464 INFO L711 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2019-11-28 03:27:46,464 INFO L591 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2019-11-28 03:27:46,465 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:27:46,465 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 330 transitions. [2019-11-28 03:27:46,468 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2019-11-28 03:27:46,469 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:27:46,469 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:27:46,471 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:27:46,472 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:27:46,472 INFO L794 eck$LassoCheckResult]: Stem: 803#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 651#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; 652#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 649#L73 main_#t~ret37 := valid_product_#res;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; 650#L593 assume 0 != main_~tmp~6; 710#L570 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 706#L615-1 [2019-11-28 03:27:46,473 INFO L796 eck$LassoCheckResult]: Loop: 706#L615-1 assume !false; 711#L94 assume test_~splverifierCounter~0 < 4; 702#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 690#L103 assume !(0 != test_~tmp~0); 681#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 682#L113 assume !(0 != test_~tmp___0~0); 793#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 794#L123 assume 0 != test_~tmp___2~0; 805#L129-1 assume !(0 != ~pumpRunning~0); 800#L167 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 766#L251 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 767#L225-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 759#L199-3 assume !(0 == ~pumpRunning~0); 654#L174 havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 628#L442-1 __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; 629#L615 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 706#L615-1 [2019-11-28 03:27:46,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:46,473 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:27:46,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:46,474 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557666949] [2019-11-28 03:27:46,475 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:46,643 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:27:46,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:46,644 INFO L82 PathProgramCache]: Analyzing trace with hash -2101003018, now seen corresponding path program 1 times [2019-11-28 03:27:46,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:46,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233540244] [2019-11-28 03:27:46,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:27:46,672 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 03:27:46,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233540244] [2019-11-28 03:27:46,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:27:46,673 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:27:46,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930568625] [2019-11-28 03:27:46,674 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:27:46,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:27:46,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:27:46,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:27:46,675 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. cyclomatic complexity: 111 Second operand 3 states. [2019-11-28 03:27:46,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:27:46,822 INFO L93 Difference]: Finished difference Result 225 states and 310 transitions. [2019-11-28 03:27:46,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:27:46,823 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 225 states and 310 transitions. [2019-11-28 03:27:46,826 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2019-11-28 03:27:46,828 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 225 states to 225 states and 310 transitions. [2019-11-28 03:27:46,828 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 225 [2019-11-28 03:27:46,829 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 225 [2019-11-28 03:27:46,829 INFO L73 IsDeterministic]: Start isDeterministic. Operand 225 states and 310 transitions. [2019-11-28 03:27:46,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:27:46,831 INFO L688 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2019-11-28 03:27:46,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states and 310 transitions. [2019-11-28 03:27:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2019-11-28 03:27:46,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2019-11-28 03:27:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 310 transitions. [2019-11-28 03:27:46,840 INFO L711 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2019-11-28 03:27:46,840 INFO L591 BuchiCegarLoop]: Abstraction has 225 states and 310 transitions. [2019-11-28 03:27:46,840 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:27:46,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 225 states and 310 transitions. [2019-11-28 03:27:46,842 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 158 [2019-11-28 03:27:46,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:27:46,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:27:46,843 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:27:46,843 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:27:46,843 INFO L794 eck$LassoCheckResult]: Stem: 1231#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~string28.base, #t~string28.offset := #Ultimate.allocOnStack(13);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(77, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(101, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(116, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(104, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string32.base, #t~string32.offset, 1);call write~init~int(82, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(73, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(84, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 4 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(75, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 1 + #t~string36.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1100#L-1 havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~10, main_~tmp~6;havoc main_~retValue_acc~10;havoc main_~tmp~6; 1101#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1095#L73 main_#t~ret37 := valid_product_#res;main_~tmp~6 := main_#t~ret37;havoc main_#t~ret37; 1096#L593 assume 0 != main_~tmp~6; 1147#L570 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1150#L615-1 [2019-11-28 03:27:46,844 INFO L796 eck$LassoCheckResult]: Loop: 1150#L615-1 assume !false; 1151#L94 assume test_~splverifierCounter~0 < 4; 1293#L95 test_~tmp~0 := test_#t~nondet1;havoc test_#t~nondet1; 1303#L103 assume !(0 != test_~tmp~0); 1301#L103-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 1300#L113 assume !(0 != test_~tmp___0~0); 1298#L113-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 1238#L123 assume 0 != test_~tmp___2~0; 1234#L129-1 assume !(0 != ~pumpRunning~0); 1235#L167 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret7, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1190#L251 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret6, processEnvironment__wrappee__lowWaterSensor_~tmp~2;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~2; 1191#L225-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret5, processEnvironment__wrappee__highWaterSensor_~tmp~1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1; 1183#L199-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret25, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 1184#L482-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 1229#L487-3 isHighWaterLevel_#t~ret25 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret25;havoc isHighWaterLevel_#t~ret25; 1158#L353-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~1 := 0; 1159#L353-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1115#L359-3 processEnvironment__wrappee__highWaterSensor_#t~ret5 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~1 := processEnvironment__wrappee__highWaterSensor_#t~ret5;havoc processEnvironment__wrappee__highWaterSensor_#t~ret5; 1116#L203-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1); 1098#L174 havoc __utac_acc__Specification1_spec__1_#t~ret38, __utac_acc__Specification1_spec__1_#t~ret39, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 1295#L442-1 __utac_acc__Specification1_spec__1_#t~ret38 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret38;havoc __utac_acc__Specification1_spec__1_#t~ret38; 1294#L615 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 1150#L615-1 [2019-11-28 03:27:46,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:46,844 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 03:27:46,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:46,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218575206] [2019-11-28 03:27:46,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:46,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:46,958 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:27:46,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:46,960 INFO L82 PathProgramCache]: Analyzing trace with hash 2033396642, now seen corresponding path program 1 times [2019-11-28 03:27:46,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:46,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923745439] [2019-11-28 03:27:46,961 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:46,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:46,983 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:27:46,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:27:46,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1008265528, now seen corresponding path program 1 times [2019-11-28 03:27:46,984 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:27:46,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862085107] [2019-11-28 03:27:46,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:27:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:27:47,116 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:27:47,258 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2019-11-28 03:28:11,173 WARN L192 SmtUtils]: Spent 23.85 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:28:24,314 WARN L192 SmtUtils]: Spent 13.14 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:28:24,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:28:24 BoogieIcfgContainer [2019-11-28 03:28:24,396 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:28:24,397 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:28:24,397 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:28:24,397 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:28:24,398 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:27:45" (3/4) ... [2019-11-28 03:28:24,402 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:28:24,468 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:28:24,468 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:28:24,469 INFO L168 Benchmark]: Toolchain (without parser) took 41242.91 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.5 MB). Free memory was 953.7 MB in the beginning and 1.2 GB in the end (delta: -237.4 MB). Peak memory consumption was 75.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:24,470 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:28:24,471 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:24,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 83.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:24,472 INFO L168 Benchmark]: Boogie Preprocessor took 66.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:24,473 INFO L168 Benchmark]: RCFGBuilder took 1119.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:24,473 INFO L168 Benchmark]: BuchiAutomizer took 39241.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.7 MB). Peak memory consumption was 358.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:28:24,474 INFO L168 Benchmark]: Witness Printer took 70.90 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:28:24,477 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 656.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -159.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 83.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1119.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.6 MB). Peak memory consumption was 83.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39241.08 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.2 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -174.7 MB). Peak memory consumption was 358.7 MB. Max. memory is 11.5 GB. * Witness Printer took 70.90 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 225 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 38.4s. Construction of modules took 0.2s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 177 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 225 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 477 SDtfs, 1215 SDslu, 1130 SDs, 0 SdLazy, 85 SolverSat, 44 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 93]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7231} State at position 1 is {NULL=0, NULL=0, NULL=7233, NULL=0, NULL=7231, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3436d7c3=0, NULL=7235, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6669abf5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cc4d6ae=54, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c7ef389=0, NULL=0, NULL=14834, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d4a1d=0, NULL=7232, methaneLevelCritical=0, tmp=0, tmp___0=0, retValue_acc=0, NULL=0, NULL=0, NULL=16990, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56346ba5=0, tmp___1=0, NULL=7234, NULL=7236, NULL=14831, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a58c1dd=0, tmp=0, NULL=16988, tmp___0=0, NULL=14837, NULL=0, systemActive=1, waterLevel=1, NULL=16984, NULL=0, NULL=0, NULL=0, NULL=14836, retValue_acc=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@530bb3cd=0, NULL=16987, \result=0, NULL=0, tmp___0=0, NULL=14841, NULL=0, retValue_acc=0, \result=1, NULL=14835, head=0, pumpRunning=0, retValue_acc=1, \result=0, tmp=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp=1, \result=1, NULL=14840, NULL=16986, NULL=14838, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73090218=0, retValue_acc=1, tmp___2=54, NULL=16985, splverifierCounter=0, NULL=0, \result=0, NULL=14830, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d34c519=0, NULL=16989, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f66e6d8=0, tmp=0, head=0, NULL=0, NULL=14833, NULL=0, NULL=0, NULL=14839, NULL=14832, NULL=0, NULL=16983} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L159] int pumpRunning = 0; [L160] int systemActive = 1; [L399] int waterLevel = 1; [L400] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L802] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L584] int retValue_acc ; [L585] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L591] tmp = valid_product() [L593] COND TRUE \read(tmp) [L84] int splverifierCounter ; [L85] int tmp ; [L86] int tmp___0 ; [L87] int tmp___1 ; [L88] int tmp___2 ; [L91] splverifierCounter = 0 Loop: [L93] COND TRUE 1 [L95] COND TRUE splverifierCounter < 4 [L101] tmp = __VERIFIER_nondet_int() [L103] COND FALSE !(\read(tmp)) [L111] tmp___0 = __VERIFIER_nondet_int() [L113] COND FALSE !(\read(tmp___0)) [L121] tmp___2 = __VERIFIER_nondet_int() [L123] COND TRUE \read(tmp___2) [L167] COND FALSE !(\read(pumpRunning)) [L174] COND TRUE \read(systemActive) [L248] int tmp ; [L251] COND FALSE !(\read(pumpRunning)) [L222] int tmp ; [L225] COND FALSE !(\read(pumpRunning)) [L196] int tmp ; [L199] COND TRUE ! pumpRunning [L345] int retValue_acc ; [L346] int tmp ; [L347] int tmp___0 ; [L479] int retValue_acc ; [L482] COND TRUE waterLevel < 2 [L483] retValue_acc = 1 [L484] return (retValue_acc); [L351] tmp = isHighWaterSensorDry() [L353] COND TRUE \read(tmp) [L354] tmp___0 = 0 [L358] retValue_acc = tmp___0 [L359] return (retValue_acc); [L201] tmp = isHighWaterLevel() [L203] COND FALSE !(\read(tmp)) [L608] int tmp ; [L609] int tmp___0 ; [L438] int retValue_acc ; [L441] retValue_acc = methaneLevelCritical [L442] return (retValue_acc); [L613] tmp = isMethaneLevelCritical() [L615] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...