./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product01.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_spec3_product01.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 ccadd62ee8105295b69b007526cf1ebacb802621 .................................................................................................................................................................................................................................................................................................................................................................... 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 03:31:56,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:31:57,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:31:57,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:31:57,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:31:57,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:31:57,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:31:57,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:31:57,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:31:57,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:31:57,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:31:57,034 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:31:57,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:31:57,039 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:31:57,040 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:31:57,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:31:57,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:31:57,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:31:57,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:31:57,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:31:57,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:31:57,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:31:57,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:31:57,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:31:57,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:31:57,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:31:57,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:31:57,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:31:57,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:31:57,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:31:57,071 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:31:57,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:31:57,072 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:31:57,073 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:31:57,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:31:57,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:31:57,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:31:57,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:31:57,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:31:57,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:31:57,080 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:31:57,081 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:31:57,110 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:31:57,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:31:57,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:31:57,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:31:57,112 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:31:57,112 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:31:57,112 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:31:57,113 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:31:57,113 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:31:57,113 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:31:57,113 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:31:57,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:31:57,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:31:57,114 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:31:57,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:31:57,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:31:57,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:31:57,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:31:57,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:31:57,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:31:57,115 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:31:57,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:31:57,116 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:31:57,116 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:31:57,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:31:57,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:31:57,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:31:57,117 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:31:57,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:31:57,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:31:57,117 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:31:57,119 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:31:57,120 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 -> ccadd62ee8105295b69b007526cf1ebacb802621 [2019-11-28 03:31:57,410 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:31:57,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:31:57,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:31:57,433 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:31:57,434 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:31:57,434 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-11-28 03:31:57,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122278288/f394b3ebde6947d4a4511599e78452a1/FLAGe7d9097b3 [2019-11-28 03:31:58,043 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:31:58,044 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2019-11-28 03:31:58,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122278288/f394b3ebde6947d4a4511599e78452a1/FLAGe7d9097b3 [2019-11-28 03:31:58,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/122278288/f394b3ebde6947d4a4511599e78452a1 [2019-11-28 03:31:58,401 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:31:58,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:31:58,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:31:58,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:31:58,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:31:58,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:58,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@760d99d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58, skipping insertion in model container [2019-11-28 03:31:58,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:58,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:31:58,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:31:58,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:31:58,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:31:58,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:31:58,973 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:31:58,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58 WrapperNode [2019-11-28 03:31:58,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:31:58,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:31:58,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:31:58,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:31:58,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:31:59,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:31:59,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:31:59,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:31:59,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (1/1) ... [2019-11-28 03:31:59,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:31:59,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:31:59,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:31:59,100 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:31:59,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (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 03:31:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:31:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:31:59,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:31:59,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:31:59,884 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:31:59,885 INFO L297 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-28 03:31:59,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:59 BoogieIcfgContainer [2019-11-28 03:31:59,886 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:31:59,887 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:31:59,887 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:31:59,891 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:31:59,892 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:59,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:31:58" (1/3) ... [2019-11-28 03:31:59,893 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a419234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:31:59, skipping insertion in model container [2019-11-28 03:31:59,893 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:59,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:58" (2/3) ... [2019-11-28 03:31:59,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a419234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:31:59, skipping insertion in model container [2019-11-28 03:31:59,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:31:59,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:59" (3/3) ... [2019-11-28 03:31:59,901 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2019-11-28 03:31:59,957 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:31:59,958 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:31:59,958 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:31:59,958 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:31:59,958 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:31:59,958 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:31:59,959 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:31:59,959 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:31:59,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-28 03:31:59,999 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-28 03:31:59,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:31:59,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:00,009 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:00,009 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:00,009 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:32:00,009 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-28 03:32:00,014 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-28 03:32:00,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:00,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:00,016 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:00,016 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:00,022 INFO L794 eck$LassoCheckResult]: Stem: 25#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 8#L-1true havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 29#L249true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 42#L257true main_#t~ret25 := valid_product_#res;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 48#L389true assume 0 != main_~tmp~2; 17#L366true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 40#L279-1true [2019-11-28 03:32:00,023 INFO L796 eck$LassoCheckResult]: Loop: 40#L279-1true assume !false; 54#L170true assume test_~splverifierCounter~0 < 4; 10#L171true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 7#L179true assume !(0 != test_~tmp~0); 5#L179-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 53#L189true assume !(0 != test_~tmp___0~0); 52#L189-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 33#L199true assume 0 != test_~tmp___2~0; 26#L205-2true assume !(0 != ~pumpRunning~0); 47#L56true assume 0 != ~systemActive~0; 37#L63true havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 9#L446true __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 51#L273true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1; 40#L279-1true [2019-11-28 03:32:00,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:00,032 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:32:00,041 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:00,042 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014227359] [2019-11-28 03:32:00,043 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:00,440 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:00,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:00,442 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573544, now seen corresponding path program 1 times [2019-11-28 03:32:00,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:00,442 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973984899] [2019-11-28 03:32:00,443 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:00,477 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:00,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:00,483 INFO L82 PathProgramCache]: Analyzing trace with hash 31705394, now seen corresponding path program 1 times [2019-11-28 03:32:00,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:00,484 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650615575] [2019-11-28 03:32:00,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:32:00,673 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 03:32:00,673 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650615575] [2019-11-28 03:32:00,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:32:00,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:32:00,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665398475] [2019-11-28 03:32:00,792 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:32:00,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:32:00,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:32:00,818 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 5 states. [2019-11-28 03:32:01,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:32:01,046 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2019-11-28 03:32:01,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 03:32:01,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2019-11-28 03:32:01,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-11-28 03:32:01,066 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2019-11-28 03:32:01,067 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2019-11-28 03:32:01,069 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-11-28 03:32:01,069 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2019-11-28 03:32:01,071 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:32:01,071 INFO L688 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2019-11-28 03:32:01,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2019-11-28 03:32:01,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2019-11-28 03:32:01,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-28 03:32:01,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2019-11-28 03:32:01,129 INFO L711 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-28 03:32:01,129 INFO L591 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-28 03:32:01,130 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:32:01,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2019-11-28 03:32:01,132 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2019-11-28 03:32:01,133 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:01,133 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:01,134 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:01,134 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:01,134 INFO L794 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string4.base, #t~string4.offset, 1);call write~init~int(110, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 2 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(102, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 3 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string8.base, #t~string8.offset, 1);call write~init~int(80, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(117, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(109, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(112, #t~string8.base, 4 + #t~string8.offset, 1);call write~init~int(58, #t~string8.base, 5 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 6 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string14.base, #t~string14.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(13);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string29.base, #t~string29.offset, 1);call write~init~int(77, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(101, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(116, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(104, #t~string29.base, 4 + #t~string29.offset, 1);call write~init~int(58, #t~string29.base, 5 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 6 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string31.base, #t~string31.offset, 1);call write~init~int(82, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(73, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(84, #t~string31.base, 3 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 4 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string33.base, #t~string33.offset, 1);call write~init~int(75, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 274#L-1 havoc main_#res;havoc main_#t~ret25, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 275#L249 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 304#L257 main_#t~ret25 := valid_product_#res;main_~tmp~2 := main_#t~ret25;havoc main_#t~ret25; 319#L389 assume 0 != main_~tmp~2; 287#L366 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, 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; 288#L279-1 [2019-11-28 03:32:01,135 INFO L796 eck$LassoCheckResult]: Loop: 288#L279-1 assume !false; 318#L170 assume test_~splverifierCounter~0 < 4; 330#L171 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 365#L179 assume !(0 != test_~tmp~0); 363#L179-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 362#L189 assume !(0 != test_~tmp___0~0); 361#L189-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 360#L199 assume 0 != test_~tmp___2~0; 357#L205-2 assume !(0 != ~pumpRunning~0); 356#L56 assume 0 != ~systemActive~0; 355#L63 havoc __utac_acc__Specification3_spec__1_#t~ret22, __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 276#L446 __utac_acc__Specification3_spec__1_#t~ret22 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret22;havoc __utac_acc__Specification3_spec__1_#t~ret22; 277#L273 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 331#L478 __utac_acc__Specification3_spec__1_#t~ret23 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 332#L279 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 288#L279-1 [2019-11-28 03:32:01,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:01,136 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:32:01,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:01,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513981511] [2019-11-28 03:32:01,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:01,276 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:01,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:01,278 INFO L82 PathProgramCache]: Analyzing trace with hash -2045467414, now seen corresponding path program 1 times [2019-11-28 03:32:01,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:01,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778542123] [2019-11-28 03:32:01,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:01,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:01,302 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:01,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:01,305 INFO L82 PathProgramCache]: Analyzing trace with hash 404117636, now seen corresponding path program 1 times [2019-11-28 03:32:01,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:01,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325466316] [2019-11-28 03:32:01,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:01,447 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:27,529 WARN L192 SmtUtils]: Spent 25.97 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:32:40,626 WARN L192 SmtUtils]: Spent 13.09 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:32:40,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:32:40 BoogieIcfgContainer [2019-11-28 03:32:40,701 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:32:40,701 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:32:40,702 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:32:40,702 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:32:40,703 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:59" (3/4) ... [2019-11-28 03:32:40,706 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:32:40,778 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:32:40,779 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:32:40,781 INFO L168 Benchmark]: Toolchain (without parser) took 42378.02 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 306.2 MB). Free memory was 960.4 MB in the beginning and 1.3 GB in the end (delta: -293.4 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:40,781 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:32:40,782 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:40,783 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.12 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:40,784 INFO L168 Benchmark]: Boogie Preprocessor took 43.13 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 03:32:40,784 INFO L168 Benchmark]: RCFGBuilder took 786.76 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:40,785 INFO L168 Benchmark]: BuchiAutomizer took 40813.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.1 MB). Peak memory consumption was 381.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:32:40,786 INFO L168 Benchmark]: Witness Printer took 77.52 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:32:40,789 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 570.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.12 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.13 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 786.76 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: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40813.96 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 158.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -183.1 MB). Peak memory consumption was 381.0 MB. Max. memory is 11.5 GB. * Witness Printer took 77.52 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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 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 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 40.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 40.2s. Construction of modules took 0.0s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 169]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2436} State at position 1 is {NULL=0, NULL=0, NULL=2440, NULL=2442, NULL=0, NULL=2436, retValue_acc=0, NULL=2450, NULL=2443, NULL=2446, methaneLevelCritical=0, NULL=2454, NULL=0, NULL=0, NULL=2455, NULL=0, NULL=2460, NULL=0, NULL=2456, tmp___1=0, NULL=2438, NULL=0, NULL=0, NULL=0, NULL=0, tmp=0, cleanupTimeShifts=4, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@159fba7e=0, NULL=2439, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@15d8dd88=0, NULL=2453, tmp___0=1, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=2451, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c79a1c0=0, NULL=0, NULL=2459, NULL=0, retValue_acc=0, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c8c9019=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=2437, \result=1, head=0, pumpRunning=0, NULL=2445, \result=0, NULL=2461, tmp=1, NULL=0, NULL=0, NULL=0, NULL=2449, retValue_acc=1, NULL=2448, retValue_acc=1, tmp___2=64, splverifierCounter=0, NULL=0, \result=0, NULL=2457, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fd2a78d=64, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77424731=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76fc46d0=0, NULL=2444, tmp___1=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c8934e2=0, NULL=2452, NULL=2441, NULL=0, NULL=2447, NULL=2458} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int pumpRunning = 0; [L49] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L403] int waterLevel = 1; [L404] int methaneLevelCritical = 0; [L652] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L380] int retValue_acc ; [L381] int tmp ; [L253] int retValue_acc ; [L256] retValue_acc = 1 [L257] return (retValue_acc); [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L160] int splverifierCounter ; [L161] int tmp ; [L162] int tmp___0 ; [L163] int tmp___1 ; [L164] int tmp___2 ; [L167] splverifierCounter = 0 Loop: [L169] COND TRUE 1 [L171] COND TRUE splverifierCounter < 4 [L177] tmp = __VERIFIER_nondet_int() [L179] COND FALSE !(\read(tmp)) [L187] tmp___0 = __VERIFIER_nondet_int() [L189] COND FALSE !(\read(tmp___0)) [L197] tmp___2 = __VERIFIER_nondet_int() [L199] COND TRUE \read(tmp___2) [L56] COND FALSE !(\read(pumpRunning)) [L63] COND TRUE \read(systemActive) [L265] int tmp ; [L266] int tmp___0 ; [L267] int tmp___1 ; [L442] int retValue_acc ; [L445] retValue_acc = methaneLevelCritical [L446] return (retValue_acc); [L271] tmp = isMethaneLevelCritical() [L273] COND FALSE !(\read(tmp)) [L474] int retValue_acc ; [L477] retValue_acc = waterLevel [L478] return (retValue_acc); [L277] tmp___0 = getWaterLevel() [L279] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...