./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 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_spec4_product64.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 4db9bf450928b08b5e696709772fc7741fcab5a5 ............................................................................................................................................................................................................................................................................................................................................................................................................................... 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-f6fb2bb [2019-11-19 20:04:47,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:04:47,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:04:47,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:04:47,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:04:47,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:04:47,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:04:47,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:04:47,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:04:47,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:04:47,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:04:47,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:04:47,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:04:47,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:04:47,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:04:47,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:04:47,858 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:04:47,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:04:47,861 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:04:47,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:04:47,864 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:04:47,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:04:47,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:04:47,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:04:47,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:04:47,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:04:47,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:04:47,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:04:47,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:04:47,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:04:47,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:04:47,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:04:47,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:04:47,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:04:47,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:04:47,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:04:47,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:04:47,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:04:47,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:04:47,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:04:47,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:04:47,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:04:47,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:04:47,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:04:47,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:04:47,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:04:47,900 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:04:47,900 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:04:47,900 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:04:47,901 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:04:47,901 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:04:47,901 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:04:47,901 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:04:47,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:04:47,902 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:04:47,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:04:47,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:04:47,902 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:04:47,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:04:47,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:04:47,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:04:47,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:04:47,903 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:04:47,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:04:47,904 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:04:47,904 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:04:47,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:04:47,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:04:47,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:04:47,905 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:04:47,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:04:47,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:04:47,906 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:04:47,907 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:04:47,907 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 -> 4db9bf450928b08b5e696709772fc7741fcab5a5 [2019-11-19 20:04:48,242 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:04:48,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:04:48,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:04:48,261 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:04:48,261 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:04:48,262 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2019-11-19 20:04:48,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a532575a/1f0e39b0bed54fb1930e2f63596eeb59/FLAGe04faa4b9 [2019-11-19 20:04:48,897 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:04:48,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2019-11-19 20:04:48,931 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a532575a/1f0e39b0bed54fb1930e2f63596eeb59/FLAGe04faa4b9 [2019-11-19 20:04:49,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a532575a/1f0e39b0bed54fb1930e2f63596eeb59 [2019-11-19 20:04:49,141 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:04:49,143 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:04:49,144 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:04:49,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:04:49,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:04:49,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20dcd9f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49, skipping insertion in model container [2019-11-19 20:04:49,152 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,159 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:04:49,226 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:04:49,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:04:49,668 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:04:49,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:04:49,819 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:04:49,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49 WrapperNode [2019-11-19 20:04:49,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:04:49,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:04:49,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:04:49,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:04:49,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,848 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,920 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:04:49,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:04:49,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:04:49,921 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:04:49,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (1/1) ... [2019-11-19 20:04:49,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:04:49,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:04:49,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:04:49,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:04:49,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (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 [2019-11-19 20:04:50,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:04:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:04:50,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:04:50,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:04:51,310 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:04:51,310 INFO L285 CfgBuilder]: Removed 354 assume(true) statements. [2019-11-19 20:04:51,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:51 BoogieIcfgContainer [2019-11-19 20:04:51,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:04:51,313 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:04:51,313 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:04:51,316 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:04:51,317 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:51,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:04:49" (1/3) ... [2019-11-19 20:04:51,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1498abd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:51, skipping insertion in model container [2019-11-19 20:04:51,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:51,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:04:49" (2/3) ... [2019-11-19 20:04:51,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1498abd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:04:51, skipping insertion in model container [2019-11-19 20:04:51,320 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:04:51,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:51" (3/3) ... [2019-11-19 20:04:51,322 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2019-11-19 20:04:51,372 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:04:51,372 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:04:51,372 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:04:51,373 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:04:51,374 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:04:51,375 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:04:51,375 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:04:51,375 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:04:51,398 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states. [2019-11-19 20:04:51,438 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2019-11-19 20:04:51,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:51,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:51,449 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:51,450 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:51,450 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:04:51,450 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states. [2019-11-19 20:04:51,459 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2019-11-19 20:04:51,459 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:51,459 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:51,461 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:51,461 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:51,467 INFO L794 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 3#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 64#L1013true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 185#L1021true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 57#L130true assume 0 != main_~tmp~0; 11#L103true havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 58#L163-1true [2019-11-19 20:04:51,468 INFO L796 eck$LassoCheckResult]: Loop: 58#L163-1true assume !false; 130#L194true assume test_~splverifierCounter~0 < 4; 200#L195true test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 87#L203true assume !(0 != test_~tmp~2); 85#L203-1true test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 36#L213true assume !(0 != test_~tmp___0~1); 16#L213-1true test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 184#L223true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 62#L231-1true assume !(0 != ~pumpRunning~0); 112#L266true assume !(0 != ~systemActive~0); 46#L273true havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 67#L963true __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 60#L163true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 58#L163-1true [2019-11-19 20:04:51,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:51,475 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 20:04:51,486 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:51,486 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121211145] [2019-11-19 20:04:51,487 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:52,454 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:52,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:52,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1665583732, now seen corresponding path program 1 times [2019-11-19 20:04:52,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:52,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911516467] [2019-11-19 20:04:52,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:04:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:04:52,524 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911516467] [2019-11-19 20:04:52,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:04:52,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:04:52,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768433564] [2019-11-19 20:04:52,534 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 20:04:52,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:04:52,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:04:52,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:04:52,558 INFO L87 Difference]: Start difference. First operand 224 states. Second operand 3 states. [2019-11-19 20:04:52,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:04:52,674 INFO L93 Difference]: Finished difference Result 442 states and 648 transitions. [2019-11-19 20:04:52,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:04:52,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 648 transitions. [2019-11-19 20:04:52,687 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 290 [2019-11-19 20:04:52,706 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 428 states and 633 transitions. [2019-11-19 20:04:52,708 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 428 [2019-11-19 20:04:52,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 428 [2019-11-19 20:04:52,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 428 states and 633 transitions. [2019-11-19 20:04:52,720 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:04:52,720 INFO L688 BuchiCegarLoop]: Abstraction has 428 states and 633 transitions. [2019-11-19 20:04:52,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states and 633 transitions. [2019-11-19 20:04:52,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 426. [2019-11-19 20:04:52,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-11-19 20:04:52,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 630 transitions. [2019-11-19 20:04:52,799 INFO L711 BuchiCegarLoop]: Abstraction has 426 states and 630 transitions. [2019-11-19 20:04:52,799 INFO L591 BuchiCegarLoop]: Abstraction has 426 states and 630 transitions. [2019-11-19 20:04:52,799 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:04:52,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 426 states and 630 transitions. [2019-11-19 20:04:52,803 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 288 [2019-11-19 20:04:52,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:52,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:52,804 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:52,804 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:04:52,805 INFO L794 eck$LassoCheckResult]: Stem: 782#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 675#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 676#L1013 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 781#L1021 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 769#L130 assume 0 != main_~tmp~0; 690#L103 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 691#L163-1 [2019-11-19 20:04:52,805 INFO L796 eck$LassoCheckResult]: Loop: 691#L163-1 assume !false; 770#L194 assume test_~splverifierCounter~0 < 4; 918#L195 test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 815#L203 assume !(0 != test_~tmp~2); 812#L203-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 733#L213 assume !(0 != test_~tmp___0~1); 695#L213-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 700#L223 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 904#L231-1 assume !(0 != ~pumpRunning~0); 850#L266 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret9, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 752#L350 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret8, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 754#L324-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 801#L298-3 assume !(0 == ~pumpRunning~0); 748#L273 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 749#L963 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 773#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 691#L163-1 [2019-11-19 20:04:52,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:52,805 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 20:04:52,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:52,806 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769426903] [2019-11-19 20:04:52,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:53,232 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:53,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:53,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1220566465, now seen corresponding path program 1 times [2019-11-19 20:04:53,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:53,234 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813159070] [2019-11-19 20:04:53,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:04:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:04:53,258 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813159070] [2019-11-19 20:04:53,259 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:04:53,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:04:53,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114569601] [2019-11-19 20:04:53,260 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-19 20:04:53,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:04:53,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-19 20:04:53,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-19 20:04:53,261 INFO L87 Difference]: Start difference. First operand 426 states and 630 transitions. cyclomatic complexity: 207 Second operand 3 states. [2019-11-19 20:04:53,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:04:53,405 INFO L93 Difference]: Finished difference Result 419 states and 586 transitions. [2019-11-19 20:04:53,406 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-19 20:04:53,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 586 transitions. [2019-11-19 20:04:53,412 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2019-11-19 20:04:53,416 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 419 states and 586 transitions. [2019-11-19 20:04:53,417 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2019-11-19 20:04:53,417 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2019-11-19 20:04:53,418 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 586 transitions. [2019-11-19 20:04:53,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:04:53,420 INFO L688 BuchiCegarLoop]: Abstraction has 419 states and 586 transitions. [2019-11-19 20:04:53,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 586 transitions. [2019-11-19 20:04:53,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2019-11-19 20:04:53,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-11-19 20:04:53,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 586 transitions. [2019-11-19 20:04:53,474 INFO L711 BuchiCegarLoop]: Abstraction has 419 states and 586 transitions. [2019-11-19 20:04:53,474 INFO L591 BuchiCegarLoop]: Abstraction has 419 states and 586 transitions. [2019-11-19 20:04:53,474 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-19 20:04:53,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 419 states and 586 transitions. [2019-11-19 20:04:53,477 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2019-11-19 20:04:53,478 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:04:53,478 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:04:53,479 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:04:53,479 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] [2019-11-19 20:04:53,480 INFO L794 eck$LassoCheckResult]: Stem: 1691#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1); 1556#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 1557#L1013 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1690#L1021 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 1679#L130 assume 0 != main_~tmp~0; 1574#L103 havoc test_#t~nondet3, test_#t~nondet4, test_#t~nondet5, test_#t~nondet6, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1575#L163-1 [2019-11-19 20:04:53,480 INFO L796 eck$LassoCheckResult]: Loop: 1575#L163-1 assume !false; 1755#L194 assume test_~splverifierCounter~0 < 4; 1712#L195 test_~tmp~2 := test_#t~nondet3;havoc test_#t~nondet3; 1713#L203 assume !(0 != test_~tmp~2); 1724#L203-1 test_~tmp___0~1 := test_#t~nondet4;havoc test_#t~nondet4; 1725#L213 assume !(0 != test_~tmp___0~1); 1584#L213-1 test_~tmp___2~0 := test_#t~nondet5;havoc test_#t~nondet5; 1585#L223 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1687#L231-1 assume !(0 != ~pumpRunning~0); 1688#L266 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret9, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1813#L350 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret8, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1717#L324-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1617#L298-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret28, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1618#L971-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1534#L976-3 isHighWaterLevel_#t~ret28 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret28;havoc isHighWaterLevel_#t~ret28; 1535#L469-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 1576#L469-11 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 1532#L475-3 processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; 1533#L302-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 1775#L273 havoc __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_#t~ret2, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1774#L963 __utac_acc__Specification4_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret1;havoc __utac_acc__Specification4_spec__1_#t~ret1; 1772#L163 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 1575#L163-1 [2019-11-19 20:04:53,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:53,481 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-19 20:04:53,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:53,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66937411] [2019-11-19 20:04:53,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:53,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:53,838 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:53,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:53,839 INFO L82 PathProgramCache]: Analyzing trace with hash -231328531, now seen corresponding path program 1 times [2019-11-19 20:04:53,840 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:53,840 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517144308] [2019-11-19 20:04:53,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:53,858 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:04:53,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1021976595, now seen corresponding path program 1 times [2019-11-19 20:04:53,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:04:53,861 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942566713] [2019-11-19 20:04:53,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:04:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:04:54,196 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:54,416 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-11-19 20:05:16,134 WARN L191 SmtUtils]: Spent 21.61 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-19 20:05:28,603 WARN L191 SmtUtils]: Spent 12.47 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-19 20:05:28,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:05:28 BoogieIcfgContainer [2019-11-19 20:05:28,675 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:05:28,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:05:28,676 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:05:28,676 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:05:28,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:51" (3/4) ... [2019-11-19 20:05:28,680 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 20:05:28,742 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:05:28,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:05:28,745 INFO L168 Benchmark]: Toolchain (without parser) took 39601.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 283.6 MB). Free memory was 961.7 MB in the beginning and 835.3 MB in the end (delta: 126.4 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:28,745 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-19 20:05:28,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 676.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:28,747 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.88 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:28,748 INFO L168 Benchmark]: Boogie Preprocessor took 71.97 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:28,748 INFO L168 Benchmark]: RCFGBuilder took 1319.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:28,749 INFO L168 Benchmark]: BuchiAutomizer took 37362.36 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 980.0 MB in the beginning and 835.3 MB in the end (delta: 144.7 MB). Peak memory consumption was 379.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:05:28,750 INFO L168 Benchmark]: Witness Printer took 67.35 ms. Allocated memory is still 1.3 GB. Free memory is still 835.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:05:28,754 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 676.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -120.6 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.88 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.97 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1319.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 980.0 MB in the end (delta: 88.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 37362.36 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 181.4 MB). Free memory was 980.0 MB in the beginning and 835.3 MB in the end (delta: 144.7 MB). Peak memory consumption was 379.1 MB. Max. memory is 11.5 GB. * Witness Printer took 67.35 ms. Allocated memory is still 1.3 GB. Free memory is still 835.3 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 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 3 locations. The remainder module has 419 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 36.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 426 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 553 SDtfs, 496 SDslu, 392 SDs, 0 SdLazy, 53 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 193]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=23016} State at position 1 is {NULL=-21, NULL=0, NULL=0, retValue_acc=0, NULL=23016, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@646b91cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f017feb=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@724a75fa=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4efa1672=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ec971f5=0, NULL=0, NULL=0, NULL=-14, retValue_acc=1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@642c51b1=0, tmp___0=0, tmp=0, retValue_acc=0, NULL=0, NULL=0, NULL=-10, tmp___1=0, NULL=-15, tmp___0=0, tmp=0, cleanupTimeShifts=4, NULL=-11, NULL=-2, NULL=19670, NULL=12996, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31e63acc=0, NULL=0, systemActive=1, waterLevel=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58ecaf0=0, NULL=5872, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7892ed47=0, \result=0, NULL=0, NULL=0, NULL=-6, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=-17, NULL=-5, \result=0, NULL=-3, NULL=-13, NULL=-4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ddd9533=0, NULL=0, NULL=-9, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=23015, NULL=-20, tmp=1, NULL=0, NULL=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fa27735=0, tmp=1, tmp___2=56, tmp___0=0, retValue_acc=1, splverifierCounter=0, NULL=0, NULL=-19, NULL=-7, head=0, tmp=0, NULL=-16, NULL=-18, NULL=0, NULL=-8, NULL=-12, NULL=0, NULL=-1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L259] int pumpRunning = 0; [L260] int systemActive = 1; [L691] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L888] int waterLevel = 1; [L889] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L1017] int retValue_acc ; [L1020] retValue_acc = 1 [L1021] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L184] int splverifierCounter ; [L185] int tmp ; [L186] int tmp___0 ; [L187] int tmp___1 ; [L188] int tmp___2 ; [L191] splverifierCounter = 0 Loop: [L193] COND TRUE 1 [L195] COND TRUE splverifierCounter < 4 [L201] tmp = __VERIFIER_nondet_int() [L203] COND FALSE !(\read(tmp)) [L211] tmp___0 = __VERIFIER_nondet_int() [L213] COND FALSE !(\read(tmp___0)) [L221] tmp___2 = __VERIFIER_nondet_int() [L223] COND TRUE \read(tmp___2) [L517] systemActive = 1 [L266] COND FALSE !(\read(pumpRunning)) [L273] COND TRUE \read(systemActive) [L347] int tmp ; [L350] COND FALSE !(\read(pumpRunning)) [L321] int tmp ; [L324] COND FALSE !(\read(pumpRunning)) [L295] int tmp ; [L298] COND TRUE ! pumpRunning [L461] int retValue_acc ; [L462] int tmp ; [L463] int tmp___0 ; [L968] int retValue_acc ; [L971] COND TRUE waterLevel < 2 [L972] retValue_acc = 1 [L973] return (retValue_acc); [L467] tmp = isHighWaterSensorDry() [L469] COND TRUE \read(tmp) [L470] tmp___0 = 0 [L474] retValue_acc = tmp___0 [L475] return (retValue_acc); [L300] tmp = isHighWaterLevel() [L302] COND FALSE !(\read(tmp)) [L156] int tmp ; [L157] int tmp___0 ; [L959] int retValue_acc ; [L962] retValue_acc = waterLevel [L963] return (retValue_acc); [L161] tmp = getWaterLevel() [L163] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...