./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product03.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 76dc507b12cb3a2bccac05c4e284ee3cd573db6d ............................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:57:18,019 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:57:18,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:57:18,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:57:18,041 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:57:18,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:57:18,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:57:18,057 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:57:18,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:57:18,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:57:18,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:57:18,064 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:57:18,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:57:18,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:57:18,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:57:18,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:57:18,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:57:18,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:57:18,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:57:18,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:57:18,088 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:57:18,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:57:18,092 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:57:18,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:57:18,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:57:18,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:57:18,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:57:18,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:57:18,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:57:18,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:57:18,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:57:18,103 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:57:18,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:57:18,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:57:18,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:57:18,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:57:18,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:57:18,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:57:18,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:57:18,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:57:18,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:57:18,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:57:18,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:57:18,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:57:18,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:57:18,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:57:18,127 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:57:18,128 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:57:18,128 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:57:18,128 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:57:18,128 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:57:18,128 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:57:18,129 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:57:18,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:57:18,129 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:57:18,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:57:18,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:57:18,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:57:18,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:57:18,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:57:18,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:57:18,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:57:18,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:57:18,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:57:18,131 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:57:18,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:57:18,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:57:18,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:57:18,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:57:18,133 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:57:18,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:57:18,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:57:18,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:57:18,134 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:57:18,134 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:57:18,135 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 -> 76dc507b12cb3a2bccac05c4e284ee3cd573db6d [2019-11-28 20:57:18,436 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:57:18,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:57:18,453 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:57:18,454 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:57:18,455 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:57:18,455 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2019-11-28 20:57:18,524 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66db3f5fa/ece81f4c894f42dfb7c2dc30ceef5a2a/FLAGb63533ffe [2019-11-28 20:57:19,056 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:57:19,057 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product03.cil.c [2019-11-28 20:57:19,071 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66db3f5fa/ece81f4c894f42dfb7c2dc30ceef5a2a/FLAGb63533ffe [2019-11-28 20:57:19,354 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66db3f5fa/ece81f4c894f42dfb7c2dc30ceef5a2a [2019-11-28 20:57:19,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:57:19,359 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:57:19,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:57:19,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:57:19,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:57:19,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:57:19" (1/1) ... [2019-11-28 20:57:19,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc21a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:19, skipping insertion in model container [2019-11-28 20:57:19,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:57:19" (1/1) ... [2019-11-28 20:57:19,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:57:19,426 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:57:19,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:57:19,885 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:57:19,972 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:57:20,003 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:57:20,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20 WrapperNode [2019-11-28 20:57:20,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:57:20,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:57:20,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:57:20,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:57:20,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:57:20,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:57:20,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:57:20,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:57:20,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (1/1) ... [2019-11-28 20:57:20,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:57:20,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:57:20,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:57:20,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:57:20,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (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 20:57:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:57:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:57:20,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:57:20,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:57:20,867 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:57:20,868 INFO L287 CfgBuilder]: Removed 70 assume(true) statements. [2019-11-28 20:57:20,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:20 BoogieIcfgContainer [2019-11-28 20:57:20,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:57:20,871 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:57:20,871 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:57:20,876 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:57:20,877 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:20,877 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:57:19" (1/3) ... [2019-11-28 20:57:20,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f605b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:57:20, skipping insertion in model container [2019-11-28 20:57:20,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:20,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:57:20" (2/3) ... [2019-11-28 20:57:20,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f605b16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:57:20, skipping insertion in model container [2019-11-28 20:57:20,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:57:20,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:20" (3/3) ... [2019-11-28 20:57:20,883 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product03.cil.c [2019-11-28 20:57:20,929 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:57:20,929 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:57:20,929 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:57:20,930 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:57:20,930 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:57:20,930 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:57:20,930 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:57:20,930 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:57:20,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 20:57:20,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 20:57:20,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:20,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:20,979 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,979 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,979 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:57:20,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-11-28 20:57:20,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-11-28 20:57:20,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:20,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:20,985 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,985 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:20,991 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);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(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 32#L137true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 45#L145true main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 27#L443true assume 0 != main_~tmp~1; 3#L420true havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 42#L474-1true [2019-11-28 20:57:20,992 INFO L796 eck$LassoCheckResult]: Loop: 42#L474-1true assume !false; 38#L56true assume test_~splverifierCounter~0 < 4; 56#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 11#L65true assume !(0 != test_~tmp~0); 9#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 53#L75true assume !(0 != test_~tmp___0~0); 51#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 34#L85true assume 0 != test_~tmp___2~0; 4#L91-1true assume !(0 != ~pumpRunning~0); 14#L165true assume !(0 != ~systemActive~0); 25#L172true havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 41#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 57#L474true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 42#L474-1true [2019-11-28 20:57:20,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:21,000 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 20:57:21,009 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:21,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532029713] [2019-11-28 20:57:21,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:21,384 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:21,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:21,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2019-11-28 20:57:21,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:21,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616228048] [2019-11-28 20:57:21,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:21,411 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:21,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:21,415 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2019-11-28 20:57:21,416 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:21,417 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464254413] [2019-11-28 20:57:21,417 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:57:21,616 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 20:57:21,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464254413] [2019-11-28 20:57:21,617 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:57:21,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:57:21,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460253759] [2019-11-28 20:57:21,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:57:21,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:57:21,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:57:21,755 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2019-11-28 20:57:21,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:57:21,954 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2019-11-28 20:57:21,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:57:21,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2019-11-28 20:57:21,966 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2019-11-28 20:57:21,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2019-11-28 20:57:21,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2019-11-28 20:57:21,975 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2019-11-28 20:57:21,976 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2019-11-28 20:57:21,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:57:21,978 INFO L688 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2019-11-28 20:57:21,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2019-11-28 20:57:22,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2019-11-28 20:57:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-11-28 20:57:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-11-28 20:57:22,016 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 20:57:22,017 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-11-28 20:57:22,017 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:57:22,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-11-28 20:57:22,019 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-11-28 20:57:22,020 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:57:22,020 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:57:22,021 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:57:22,021 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:57:22,021 INFO L794 eck$LassoCheckResult]: Stem: 257#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(13);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(110, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(102, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 3 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string13.base, #t~string13.offset, 1);call write~init~int(80, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(117, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(109, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(112, #t~string13.base, 4 + #t~string13.offset, 1);call write~init~int(58, #t~string13.base, 5 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 6 + #t~string13.offset, 1);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(3);call write~init~int(41, #t~string19.base, #t~string19.offset, 1);call write~init~int(32, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string21.base, #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 1 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(13);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(77, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(101, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(116, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(104, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string27.base, #t~string27.offset, 1);call write~init~int(82, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(73, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(84, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 4 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(75, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 241#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~6, main_~tmp~1;havoc main_~retValue_acc~6;havoc main_~tmp~1; 242#L137 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 264#L145 main_#t~ret32 := valid_product_#res;main_~tmp~1 := main_#t~ret32;havoc main_#t~ret32; 261#L443 assume 0 != main_~tmp~1; 230#L420 havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 231#L474-1 [2019-11-28 20:57:22,022 INFO L796 eck$LassoCheckResult]: Loop: 231#L474-1 assume !false; 272#L56 assume test_~splverifierCounter~0 < 4; 273#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 246#L65 assume !(0 != test_~tmp~0); 243#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 244#L75 assume !(0 != test_~tmp___0~0); 249#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 267#L85 assume 0 != test_~tmp___2~0; 232#L91-1 assume !(0 != ~pumpRunning~0); 234#L165 assume 0 != ~systemActive~0; 247#L172 havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~4;havoc isMethaneLevelCritical_~retValue_acc~4;isMethaneLevelCritical_~retValue_acc~4 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~4; 260#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 274#L474 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 231#L474-1 [2019-11-28 20:57:22,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:22,022 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 20:57:22,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:22,023 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911171006] [2019-11-28 20:57:22,023 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:22,108 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:22,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:22,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2019-11-28 20:57:22,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:22,110 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738574383] [2019-11-28 20:57:22,110 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:22,122 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:22,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:57:22,123 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2019-11-28 20:57:22,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:57:22,124 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274119058] [2019-11-28 20:57:22,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:57:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:57:22,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:57:50,217 WARN L192 SmtUtils]: Spent 27.89 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 20:58:04,232 WARN L192 SmtUtils]: Spent 14.01 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 20:58:04,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:58:04 BoogieIcfgContainer [2019-11-28 20:58:04,328 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:58:04,329 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:58:04,329 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:58:04,331 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:58:04,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:57:20" (3/4) ... [2019-11-28 20:58:04,335 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:58:04,414 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:58:04,415 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:58:04,416 INFO L168 Benchmark]: Toolchain (without parser) took 45058.12 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 961.7 MB in the beginning and 1.3 GB in the end (delta: -309.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:58:04,417 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. [2019-11-28 20:58:04,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:04,419 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:04,419 INFO L168 Benchmark]: Boogie Preprocessor took 34.23 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 20:58:04,420 INFO L168 Benchmark]: RCFGBuilder took 745.87 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:04,421 INFO L168 Benchmark]: BuchiAutomizer took 43457.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -200.9 MB). Peak memory consumption was 387.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:04,421 INFO L168 Benchmark]: Witness Printer took 86.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-11-28 20:58:04,425 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 644.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.23 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 745.87 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: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43457.20 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 156.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -200.9 MB). Peak memory consumption was 387.5 MB. Max. memory is 11.5 GB. * Witness Printer took 86.13 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 45 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 71 SDtfs, 263 SDslu, 362 SDs, 0 SdLazy, 39 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=8915} State at position 1 is {NULL=8936, NULL=0, NULL=0, NULL=0, NULL=8935, NULL=0, NULL=8915, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fc7a344=0, NULL=8921, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37ae169a=63, NULL=8923, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@142cd3d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e54e5bb=0, NULL=8916, NULL=8929, NULL=8933, methaneLevelCritical=0, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=8932, NULL=8926, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=8930, NULL=8920, NULL=8931, NULL=8918, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=8938, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, NULL=8924, \result=0, NULL=8919, NULL=0, NULL=8940, tmp=1, NULL=0, tmp=0, NULL=0, NULL=8925, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d34f8fb=0, tmp___2=63, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=8922, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@102ba7a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a9eb664=0, head=0, NULL=8917, NULL=8937, NULL=0, NULL=0, NULL=0, NULL=8927, NULL=8939, NULL=8934, NULL=8928} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L361] int cleanupTimeShifts = 4; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L434] int retValue_acc ; [L435] int tmp ; [L141] int retValue_acc ; [L144] retValue_acc = 1 [L145] return (retValue_acc); [L441] tmp = valid_product() [L443] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L467] int tmp ; [L468] int tmp___0 ; [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] return (retValue_acc); [L472] tmp = isMethaneLevelCritical() [L474] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...