./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product05.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_spec5_product05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6807f0a20a9980e0b825c3ed1b1872123dbe179c ..................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:39:27,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:39:27,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:39:27,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:39:27,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:39:27,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:39:27,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:39:27,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:39:27,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:39:27,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:39:27,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:39:27,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:39:27,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:39:27,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:39:27,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:39:27,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:39:27,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:39:27,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:39:27,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:39:27,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:39:27,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:39:27,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:39:27,095 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:39:27,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:39:27,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:39:27,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:39:27,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:39:27,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:39:27,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:39:27,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:39:27,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:39:27,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:39:27,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:39:27,112 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:39:27,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:39:27,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:39:27,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:39:27,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:39:27,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:39:27,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:39:27,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:39:27,121 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:39:27,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:39:27,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:39:27,148 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:39:27,148 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:39:27,148 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:39:27,148 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:39:27,149 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:39:27,149 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:39:27,149 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:39:27,149 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:39:27,149 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:39:27,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:39:27,150 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:39:27,150 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:39:27,150 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:39:27,150 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:39:27,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:39:27,151 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:39:27,151 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:39:27,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:39:27,151 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:39:27,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:39:27,152 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:39:27,152 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:39:27,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:39:27,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:39:27,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:39:27,153 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:39:27,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:39:27,153 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:39:27,154 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:39:27,155 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:39:27,155 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 -> 6807f0a20a9980e0b825c3ed1b1872123dbe179c [2019-11-28 03:39:27,440 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:39:27,453 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:39:27,456 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:39:27,457 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:39:27,458 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:39:27,458 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2019-11-28 03:39:27,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43845047d/b050ed2f2d5e4d8e90d21ced8196ad9b/FLAGd1d43cb5b [2019-11-28 03:39:28,029 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:39:28,030 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product05.cil.c [2019-11-28 03:39:28,044 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43845047d/b050ed2f2d5e4d8e90d21ced8196ad9b/FLAGd1d43cb5b [2019-11-28 03:39:28,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43845047d/b050ed2f2d5e4d8e90d21ced8196ad9b [2019-11-28 03:39:28,348 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:39:28,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:39:28,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:39:28,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:39:28,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:39:28,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:28,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d2ad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28, skipping insertion in model container [2019-11-28 03:39:28,360 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:28,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:39:28,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:39:28,818 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:39:28,831 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:39:28,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:39:28,967 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:39:28,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28 WrapperNode [2019-11-28 03:39:28,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:39:28,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:39:28,971 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:39:28,971 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:39:28,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:39:29,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:39:29,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:39:29,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:39:29,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (1/1) ... [2019-11-28 03:39:29,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:39:29,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:39:29,110 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:39:29,110 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:39:29,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (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 03:39:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:39:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:39:29,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:39:29,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:39:30,007 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:39:30,007 INFO L297 CfgBuilder]: Removed 110 assume(true) statements. [2019-11-28 03:39:30,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:30 BoogieIcfgContainer [2019-11-28 03:39:30,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:39:30,010 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:39:30,010 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:39:30,014 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:39:30,015 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:39:30,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:39:28" (1/3) ... [2019-11-28 03:39:30,017 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1666a37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:39:30, skipping insertion in model container [2019-11-28 03:39:30,017 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:39:30,017 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:39:28" (2/3) ... [2019-11-28 03:39:30,018 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1666a37b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:39:30, skipping insertion in model container [2019-11-28 03:39:30,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:39:30,018 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:30" (3/3) ... [2019-11-28 03:39:30,022 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product05.cil.c [2019-11-28 03:39:30,066 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:39:30,066 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:39:30,066 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:39:30,067 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:39:30,068 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:39:30,068 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:39:30,068 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:39:30,068 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:39:30,085 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-28 03:39:30,113 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:39:30,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:39:30,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:39:30,123 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:30,123 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:30,123 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:39:30,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 75 states. [2019-11-28 03:39:30,129 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:39:30,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:39:30,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:39:30,130 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:30,131 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:30,136 INFO L794 eck$LassoCheckResult]: Stem: 26#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 6#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 76#L880true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 3#L888true main_#t~ret60 := valid_product_#res;main_~tmp~6 := main_#t~ret60;havoc main_#t~ret60; 10#L764true assume 0 != main_~tmp~6; 60#L737true ~switchedOnBeforeTS~0 := 0; 41#L49true havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, 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; 16#L70-1true [2019-11-28 03:39:30,137 INFO L796 eck$LassoCheckResult]: Loop: 16#L70-1true assume !false; 35#L249true assume test_~splverifierCounter~0 < 4; 38#L250true test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 73#L258true assume !(0 != test_~tmp~2); 68#L258-1true test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 51#L268true assume !(0 != test_~tmp___0~1); 50#L268-1true test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 29#L278true assume 0 != test_~tmp___2~0; 56#L284-2true havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 32#L194true __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 17#L59true assume !(0 != ~pumpRunning~0); 12#L109true assume !(0 != ~systemActive~0); 65#L116true havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 43#L853true __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 18#L70true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 16#L70-1true [2019-11-28 03:39:30,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:30,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:39:30,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:30,154 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794510065] [2019-11-28 03:39:30,154 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:30,514 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:30,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:30,516 INFO L82 PathProgramCache]: Analyzing trace with hash 93981420, now seen corresponding path program 1 times [2019-11-28 03:39:30,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:30,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238268869] [2019-11-28 03:39:30,517 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:30,535 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:30,537 INFO L82 PathProgramCache]: Analyzing trace with hash 2028006630, now seen corresponding path program 1 times [2019-11-28 03:39:30,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:30,538 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540643309] [2019-11-28 03:39:30,538 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:30,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:39:30,759 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 03:39:30,759 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540643309] [2019-11-28 03:39:30,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:39:30,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:39:30,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583745163] [2019-11-28 03:39:30,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:39:30,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:39:30,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:39:30,952 INFO L87 Difference]: Start difference. First operand 75 states. Second operand 6 states. [2019-11-28 03:39:31,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:39:31,110 INFO L93 Difference]: Finished difference Result 75 states and 100 transitions. [2019-11-28 03:39:31,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:39:31,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 100 transitions. [2019-11-28 03:39:31,116 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:39:31,122 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 68 states and 93 transitions. [2019-11-28 03:39:31,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 68 [2019-11-28 03:39:31,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 68 [2019-11-28 03:39:31,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 93 transitions. [2019-11-28 03:39:31,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:39:31,127 INFO L688 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2019-11-28 03:39:31,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 93 transitions. [2019-11-28 03:39:31,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-11-28 03:39:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-11-28 03:39:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2019-11-28 03:39:31,159 INFO L711 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2019-11-28 03:39:31,159 INFO L591 BuchiCegarLoop]: Abstraction has 68 states and 93 transitions. [2019-11-28 03:39:31,159 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:39:31,159 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 93 transitions. [2019-11-28 03:39:31,161 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 03:39:31,162 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:39:31,162 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:39:31,163 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:31,163 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 03:39:31,163 INFO L794 eck$LassoCheckResult]: Stem: 203#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 174#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 175#L880 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 168#L888 main_#t~ret60 := valid_product_#res;main_~tmp~6 := main_#t~ret60;havoc main_#t~ret60; 169#L764 assume 0 != main_~tmp~6; 182#L737 ~switchedOnBeforeTS~0 := 0; 215#L49 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, 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; 187#L70-1 [2019-11-28 03:39:31,164 INFO L796 eck$LassoCheckResult]: Loop: 187#L70-1 assume !false; 188#L249 assume test_~splverifierCounter~0 < 4; 212#L250 test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 214#L258 assume !(0 != test_~tmp~2); 234#L258-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 223#L268 assume !(0 != test_~tmp___0~1); 179#L268-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 205#L278 assume 0 != test_~tmp___2~0; 207#L284-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 210#L194 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 189#L59 assume !(0 != ~pumpRunning~0); 183#L109 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 184#L141 assume !(0 != ~pumpRunning~0); 230#L116 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 216#L853 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 191#L70 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 187#L70-1 [2019-11-28 03:39:31,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:31,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-28 03:39:31,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:31,166 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934806022] [2019-11-28 03:39:31,166 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,304 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:31,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:31,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1402071741, now seen corresponding path program 1 times [2019-11-28 03:39:31,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:31,307 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641354434] [2019-11-28 03:39:31,308 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,329 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:31,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:31,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1576832375, now seen corresponding path program 1 times [2019-11-28 03:39:31,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:31,330 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932144600] [2019-11-28 03:39:31,330 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:39:31,434 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 03:39:31,434 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932144600] [2019-11-28 03:39:31,435 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:39:31,435 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:39:31,435 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745615757] [2019-11-28 03:39:31,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:39:31,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:39:31,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:39:31,534 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. cyclomatic complexity: 27 Second operand 5 states. [2019-11-28 03:39:31,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:39:31,731 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2019-11-28 03:39:31,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 03:39:31,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 188 states and 255 transitions. [2019-11-28 03:39:31,743 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 87 [2019-11-28 03:39:31,748 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 188 states to 188 states and 255 transitions. [2019-11-28 03:39:31,749 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2019-11-28 03:39:31,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2019-11-28 03:39:31,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 255 transitions. [2019-11-28 03:39:31,751 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:39:31,752 INFO L688 BuchiCegarLoop]: Abstraction has 188 states and 255 transitions. [2019-11-28 03:39:31,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 255 transitions. [2019-11-28 03:39:31,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 129. [2019-11-28 03:39:31,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2019-11-28 03:39:31,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 172 transitions. [2019-11-28 03:39:31,776 INFO L711 BuchiCegarLoop]: Abstraction has 129 states and 172 transitions. [2019-11-28 03:39:31,776 INFO L591 BuchiCegarLoop]: Abstraction has 129 states and 172 transitions. [2019-11-28 03:39:31,777 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:39:31,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 129 states and 172 transitions. [2019-11-28 03:39:31,780 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 87 [2019-11-28 03:39:31,781 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:39:31,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:39:31,782 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:31,783 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:39:31,784 INFO L794 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(13);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(13);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1);~switchedOnBeforeTS~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 446#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~5, main_~tmp~6;havoc main_~retValue_acc~5;havoc main_~tmp~6; 447#L880 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 440#L888 main_#t~ret60 := valid_product_#res;main_~tmp~6 := main_#t~ret60;havoc main_#t~ret60; 441#L764 assume 0 != main_~tmp~6; 454#L737 ~switchedOnBeforeTS~0 := 0; 493#L49 havoc test_#t~nondet21, test_#t~nondet22, test_#t~nondet23, test_#t~nondet24, 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; 459#L70-1 [2019-11-28 03:39:31,784 INFO L796 eck$LassoCheckResult]: Loop: 459#L70-1 assume !false; 460#L249 assume test_~splverifierCounter~0 < 4; 487#L250 test_~tmp~2 := test_#t~nondet21;havoc test_#t~nondet21; 490#L258 assume !(0 != test_~tmp~2); 520#L258-1 test_~tmp___0~1 := test_#t~nondet22;havoc test_#t~nondet22; 504#L268 assume !(0 != test_~tmp___0~1); 449#L268-1 test_~tmp___2~0 := test_#t~nondet23;havoc test_#t~nondet23; 477#L278 assume 0 != test_~tmp___2~0; 479#L284-2 havoc __utac_acc__Specification5_spec__2_#t~ret0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 484#L194 __utac_acc__Specification5_spec__2_#t~ret0 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret0;havoc __utac_acc__Specification5_spec__2_#t~ret0; 461#L59 assume !(0 != ~pumpRunning~0); 455#L109 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret3, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 456#L141 assume !(0 != ~pumpRunning~0); 513#L116 havoc __utac_acc__Specification5_spec__3_#t~ret1, __utac_acc__Specification5_spec__3_#t~ret2, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 519#L853 __utac_acc__Specification5_spec__3_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret1;havoc __utac_acc__Specification5_spec__3_#t~ret1; 463#L70 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~1;havoc isPumpRunning_~retValue_acc~1;isPumpRunning_~retValue_acc~1 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~1; 464#L194-1 __utac_acc__Specification5_spec__3_#t~ret2 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret2;havoc __utac_acc__Specification5_spec__3_#t~ret2; 500#L74 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 459#L70-1 [2019-11-28 03:39:31,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:31,785 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-28 03:39:31,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:31,786 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705100938] [2019-11-28 03:39:31,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,887 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:31,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:31,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1228773470, now seen corresponding path program 1 times [2019-11-28 03:39:31,888 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:31,889 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710742387] [2019-11-28 03:39:31,889 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,906 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:31,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:39:31,907 INFO L82 PathProgramCache]: Analyzing trace with hash 787528740, now seen corresponding path program 1 times [2019-11-28 03:39:31,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:39:31,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337337666] [2019-11-28 03:39:31,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:39:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:39:32,002 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:39:32,142 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-28 03:39:57,556 WARN L192 SmtUtils]: Spent 25.34 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:40:10,560 WARN L192 SmtUtils]: Spent 13.00 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:40:10,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:40:10 BoogieIcfgContainer [2019-11-28 03:40:10,646 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:40:10,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:40:10,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:40:10,649 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:40:10,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:39:30" (3/4) ... [2019-11-28 03:40:10,654 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:40:10,711 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:40:10,711 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:40:10,713 INFO L168 Benchmark]: Toolchain (without parser) took 42363.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 310.9 MB). Free memory was 960.4 MB in the beginning and 1.2 GB in the end (delta: -260.6 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:40:10,714 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:40:10,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:40:10,715 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.95 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 03:40:10,715 INFO L168 Benchmark]: Boogie Preprocessor took 36.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:40:10,716 INFO L168 Benchmark]: RCFGBuilder took 899.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:40:10,717 INFO L168 Benchmark]: BuchiAutomizer took 40635.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -148.0 MB). Peak memory consumption was 385.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:40:10,717 INFO L168 Benchmark]: Witness Printer took 65.05 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 03:40:10,721 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 618.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -170.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.95 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 36.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 899.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40635.63 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -148.0 MB). Peak memory consumption was 385.3 MB. Max. memory is 11.5 GB. * Witness Printer took 65.05 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 129 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 39.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 59 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 129 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 238 SDtfs, 568 SDslu, 274 SDs, 0 SdLazy, 75 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 248]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8143} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=8147, NULL=8154, NULL=0, NULL=8143, NULL=8163, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=8152, NULL=8153, methaneLevelCritical=0, NULL=8165, tmp=0, NULL=0, NULL=0, NULL=8166, tmp___1=0, tmp=1, NULL=0, NULL=0, NULL=8149, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=8158, NULL=8168, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1dd34582=0, \result=0, NULL=8156, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=8144, NULL=0, NULL=8146, NULL=8157, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, \result=1, NULL=8145, head=0, pumpRunning=0, NULL=8155, \result=0, NULL=8164, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a35a422=0, NULL=8161, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1318d190=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7aff9577=59, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c922149=0, NULL=8148, retValue_acc=1, retValue_acc=1, tmp___2=59, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8f60e5a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a9f19f9=0, NULL=8151, NULL=8160, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b69a4df=0, head=0, retValue_acc=0, NULL=0, NULL=8162, NULL=8167, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8458709=0, NULL=8150, NULL=8159, NULL=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int switchedOnBeforeTS ; [L99] int pumpRunning = 0; [L100] int systemActive = 1; [L472] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L678] int cleanupTimeShifts = 4; [L778] int waterLevel = 1; [L779] int methaneLevelCritical = 0; [L755] int retValue_acc ; [L756] int tmp ; [L884] int retValue_acc ; [L887] retValue_acc = 1 [L888] return (retValue_acc); [L762] tmp = valid_product() [L764] COND TRUE \read(tmp) [L48] switchedOnBeforeTS = 0 [L239] int splverifierCounter ; [L240] int tmp ; [L241] int tmp___0 ; [L242] int tmp___1 ; [L243] int tmp___2 ; [L246] splverifierCounter = 0 Loop: [L248] COND TRUE 1 [L250] COND TRUE splverifierCounter < 4 [L256] tmp = __VERIFIER_nondet_int() [L258] COND FALSE !(\read(tmp)) [L266] tmp___0 = __VERIFIER_nondet_int() [L268] COND FALSE !(\read(tmp___0)) [L276] tmp___2 = __VERIFIER_nondet_int() [L278] COND TRUE \read(tmp___2) [L190] int retValue_acc ; [L193] retValue_acc = pumpRunning [L194] return (retValue_acc); [L57] switchedOnBeforeTS = isPumpRunning() [L109] COND FALSE !(\read(pumpRunning)) [L116] COND TRUE \read(systemActive) [L138] int tmp ; [L141] COND FALSE !(\read(pumpRunning)) [L63] int tmp ; [L64] int tmp___0 ; [L849] int retValue_acc ; [L852] retValue_acc = waterLevel [L853] return (retValue_acc); [L68] tmp = getWaterLevel() [L70] COND TRUE tmp != 2 [L190] int retValue_acc ; [L193] retValue_acc = pumpRunning [L194] return (retValue_acc); [L72] tmp___0 = isPumpRunning() [L74] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...