./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product30.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_spec4_product30.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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f ............................................................................................................................................................................................................................................................................................................................................................ 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 03:37:15,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:37:15,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:37:15,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:37:15,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:37:15,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:37:15,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:37:15,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:37:15,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:37:15,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:37:15,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:37:15,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:37:15,955 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:37:15,956 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:37:15,957 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:37:15,959 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:37:15,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:37:15,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:37:15,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:37:15,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:37:15,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:37:15,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:37:15,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:37:15,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:37:15,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:37:15,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:37:15,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:37:15,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:37:15,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:37:15,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:37:15,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:37:15,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:37:15,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:37:15,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:37:15,981 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:37:15,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:37:15,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:37:15,983 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:37:15,983 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:37:15,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:37:15,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:37:15,986 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:37:16,009 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:37:16,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:37:16,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:37:16,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:37:16,014 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:37:16,015 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:37:16,015 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:37:16,015 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:37:16,015 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:37:16,016 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:37:16,017 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:37:16,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:37:16,018 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:37:16,018 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:37:16,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:37:16,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:37:16,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:37:16,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:37:16,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:37:16,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:37:16,020 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:37:16,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:37:16,021 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:37:16,021 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:37:16,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:37:16,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:37:16,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:37:16,022 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:37:16,022 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:37:16,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:37:16,023 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:37:16,026 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:37:16,026 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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2019-11-28 03:37:16,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:37:16,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:37:16,371 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:37:16,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:37:16,373 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:37:16,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-28 03:37:16,443 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7251e0081/b113d4d9c2814bd3837ccccc38c79bac/FLAGac9828666 [2019-11-28 03:37:16,925 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:37:16,926 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2019-11-28 03:37:16,954 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7251e0081/b113d4d9c2814bd3837ccccc38c79bac/FLAGac9828666 [2019-11-28 03:37:17,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7251e0081/b113d4d9c2814bd3837ccccc38c79bac [2019-11-28 03:37:17,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:37:17,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:37:17,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:37:17,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:37:17,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:37:17,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:17,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce269f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17, skipping insertion in model container [2019-11-28 03:37:17,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:17,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:37:17,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:37:17,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:37:17,773 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:37:17,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:37:17,921 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:37:17,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17 WrapperNode [2019-11-28 03:37:17,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:37:17,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:37:17,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:37:17,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:37:17,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:17,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,005 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:37:18,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:37:18,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:37:18,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:37:18,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,031 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (1/1) ... [2019-11-28 03:37:18,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:37:18,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:37:18,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:37:18,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:37:18,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (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 03:37:18,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:37:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:37:18,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:37:18,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:37:18,887 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:37:18,888 INFO L297 CfgBuilder]: Removed 158 assume(true) statements. [2019-11-28 03:37:18,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:18 BoogieIcfgContainer [2019-11-28 03:37:18,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:37:18,891 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:37:18,891 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:37:18,895 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:37:18,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:18,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:37:17" (1/3) ... [2019-11-28 03:37:18,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27fd07b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:18, skipping insertion in model container [2019-11-28 03:37:18,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:18,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:37:17" (2/3) ... [2019-11-28 03:37:18,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@27fd07b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:37:18, skipping insertion in model container [2019-11-28 03:37:18,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:37:18,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:18" (3/3) ... [2019-11-28 03:37:18,902 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2019-11-28 03:37:18,950 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:37:18,950 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:37:18,950 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:37:18,950 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:37:18,950 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:37:18,951 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:37:18,951 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:37:18,951 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:37:18,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-28 03:37:19,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-28 03:37:19,001 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:19,001 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:19,011 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:19,011 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:19,011 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:37:19,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states. [2019-11-28 03:37:19,018 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2019-11-28 03:37:19,019 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:19,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:19,020 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:19,020 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:19,026 INFO L794 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #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(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 7#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; 99#L927true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 100#L935true main_#t~ret72 := valid_product_#res;main_~tmp~9 := main_#t~ret72;havoc main_#t~ret72; 101#L891true assume 0 != main_~tmp~9; 57#L865true havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 67#L146-1true [2019-11-28 03:37:19,027 INFO L796 eck$LassoCheckResult]: Loop: 67#L146-1true assume !false; 23#L384true assume test_~splverifierCounter~0 < 4; 93#L385true test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 94#L393true assume !(0 != test_~tmp~5); 95#L393-1true test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 25#L403true assume !(0 != test_~tmp___0~2); 29#L403-1true test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 75#L413true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 83#L421-2true assume !(0 != ~pumpRunning~0); 84#L176true assume !(0 != ~systemActive~0); 33#L183true havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 43#L122true __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; 69#L146true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 67#L146-1true [2019-11-28 03:37:19,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:19,034 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:37:19,045 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:19,046 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958403687] [2019-11-28 03:37:19,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,372 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:19,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:19,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1679344189, now seen corresponding path program 1 times [2019-11-28 03:37:19,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:19,375 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390939504] [2019-11-28 03:37:19,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:37:19,438 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 03:37:19,440 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390939504] [2019-11-28 03:37:19,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:37:19,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:37:19,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215607340] [2019-11-28 03:37:19,452 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:37:19,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:37:19,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:37:19,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:37:19,473 INFO L87 Difference]: Start difference. First operand 102 states. Second operand 3 states. [2019-11-28 03:37:19,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:37:19,546 INFO L93 Difference]: Finished difference Result 102 states and 143 transitions. [2019-11-28 03:37:19,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:37:19,551 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 102 states and 143 transitions. [2019-11-28 03:37:19,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-28 03:37:19,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 102 states to 95 states and 135 transitions. [2019-11-28 03:37:19,572 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 95 [2019-11-28 03:37:19,574 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 95 [2019-11-28 03:37:19,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 95 states and 135 transitions. [2019-11-28 03:37:19,577 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:37:19,577 INFO L688 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-28 03:37:19,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states and 135 transitions. [2019-11-28 03:37:19,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2019-11-28 03:37:19,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2019-11-28 03:37:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 135 transitions. [2019-11-28 03:37:19,627 INFO L711 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-28 03:37:19,628 INFO L591 BuchiCegarLoop]: Abstraction has 95 states and 135 transitions. [2019-11-28 03:37:19,628 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:37:19,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 95 states and 135 transitions. [2019-11-28 03:37:19,634 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 63 [2019-11-28 03:37:19,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:37:19,635 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:37:19,635 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:37:19,636 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:37:19,636 INFO L794 eck$LassoCheckResult]: Stem: 280#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(13);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #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(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string23.base, #t~string23.offset, 1);call write~init~int(80, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(117, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(109, #t~string23.base, 3 + #t~string23.offset, 1);call write~init~int(112, #t~string23.base, 4 + #t~string23.offset, 1);call write~init~int(58, #t~string23.base, 5 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 6 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(110, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(102, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 3 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string29.base, #t~string29.offset, 1);call write~init~int(32, #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(10, #t~string31.base, #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 1 + #t~string31.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 245#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~9, main_~tmp~9;havoc main_~retValue_acc~9;havoc main_~tmp~9; 246#L927 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 306#L935 main_#t~ret72 := valid_product_#res;main_~tmp~9 := main_#t~ret72;havoc main_#t~ret72; 307#L891 assume 0 != main_~tmp~9; 304#L865 havoc test_#t~nondet33, test_#t~nondet34, test_#t~nondet35, test_#t~nondet36, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 227#L146-1 [2019-11-28 03:37:19,636 INFO L796 eck$LassoCheckResult]: Loop: 227#L146-1 assume !false; 228#L384 assume test_~splverifierCounter~0 < 4; 273#L385 test_~tmp~5 := test_#t~nondet33;havoc test_#t~nondet33; 296#L393 assume !(0 != test_~tmp~5); 256#L393-1 test_~tmp___0~2 := test_#t~nondet34;havoc test_#t~nondet34; 276#L403 assume !(0 != test_~tmp___0~2); 277#L403-1 test_~tmp___2~0 := test_#t~nondet35;havoc test_#t~nondet35; 250#L413 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 251#L421-2 assume !(0 != ~pumpRunning~0); 268#L176 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 270#L234 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret12, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 215#L208-1 assume !(0 != ~pumpRunning~0); 217#L183 havoc __utac_acc__Specification4_spec__1_#t~ret10, __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 287#L122 __utac_acc__Specification4_spec__1_#t~ret10 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret10;havoc __utac_acc__Specification4_spec__1_#t~ret10; 229#L146 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 227#L146-1 [2019-11-28 03:37:19,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:19,637 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:37:19,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:19,638 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594810680] [2019-11-28 03:37:19,638 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,769 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:19,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1091435467, now seen corresponding path program 1 times [2019-11-28 03:37:19,770 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:19,770 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173330309] [2019-11-28 03:37:19,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,782 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:19,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:37:19,783 INFO L82 PathProgramCache]: Analyzing trace with hash 1358149583, now seen corresponding path program 1 times [2019-11-28 03:37:19,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:37:19,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869802028] [2019-11-28 03:37:19,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:37:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:37:19,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:37:39,996 WARN L192 SmtUtils]: Spent 19.95 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:37:52,568 WARN L192 SmtUtils]: Spent 12.56 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:37:52,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:37:52 BoogieIcfgContainer [2019-11-28 03:37:52,645 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:37:52,645 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:37:52,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:37:52,646 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:37:52,647 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:37:18" (3/4) ... [2019-11-28 03:37:52,650 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:37:52,747 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:37:52,748 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:37:52,753 INFO L168 Benchmark]: Toolchain (without parser) took 35468.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 314.6 MB). Free memory was 957.7 MB in the beginning and 835.9 MB in the end (delta: 121.8 MB). Peak memory consumption was 436.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:52,754 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:37:52,755 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:52,756 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.60 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 03:37:52,756 INFO L168 Benchmark]: Boogie Preprocessor took 43.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:37:52,757 INFO L168 Benchmark]: RCFGBuilder took 840.83 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:52,758 INFO L168 Benchmark]: BuchiAutomizer took 33754.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 838.7 MB in the end (delta: 215.7 MB). Peak memory consumption was 393.5 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:52,758 INFO L168 Benchmark]: Witness Printer took 102.44 ms. Allocated memory is still 1.3 GB. Free memory was 838.7 MB in the beginning and 835.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:37:52,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 641.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -168.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.60 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 43.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 840.83 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: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33754.13 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 838.7 MB in the end (delta: 215.7 MB). Peak memory consumption was 393.5 MB. Max. memory is 11.5 GB. * Witness Printer took 102.44 ms. Allocated memory is still 1.3 GB. Free memory was 838.7 MB in the beginning and 835.9 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 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 3 locations. The remainder module has 95 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 95 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 140 SDtfs, 140 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 383]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2047} State at position 1 is {NULL=0, NULL=0, NULL=2064, NULL=2049, NULL=2047, NULL=2054, NULL=0, retValue_acc=0, NULL=2063, NULL=2065, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b25aa93=0, retValue_acc=1, NULL=0, NULL=0, tmp=0, NULL=0, NULL=0, NULL=2068, NULL=0, tmp___1=0, NULL=2067, NULL=2055, tmp___0=0, cleanupTimeShifts=4, NULL=2048, NULL=2062, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c6d443e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@14c47643=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9eca79f=0, NULL=2052, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34a77f3d=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=2057, \result=1, NULL=2069, NULL=2061, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, NULL=2066, \result=0, NULL=2058, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bd92ebd=0, NULL=0, NULL=2071, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dc33b53=0, NULL=0, NULL=2060, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@43798dd1=0, NULL=2059, tmp___2=54, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=2056, NULL=2072, tmp=0, head=0, tmp=0, NULL=2053, tmp=1, NULL=2050, NULL=2051, NULL=0, NULL=2070, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@495c0453=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L169] int pumpRunning = 0; [L170] int systemActive = 1; [L609] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L806] int cleanupTimeShifts = 4; [L882] int retValue_acc ; [L883] int tmp ; [L931] int retValue_acc ; [L934] retValue_acc = 1 [L935] return (retValue_acc); [L889] tmp = valid_product() [L891] COND TRUE \read(tmp) [L374] int splverifierCounter ; [L375] int tmp ; [L376] int tmp___0 ; [L377] int tmp___1 ; [L378] int tmp___2 ; [L381] splverifierCounter = 0 Loop: [L383] COND TRUE 1 [L385] COND TRUE splverifierCounter < 4 [L391] tmp = __VERIFIER_nondet_int() [L393] COND FALSE !(\read(tmp)) [L401] tmp___0 = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp___0)) [L411] tmp___2 = __VERIFIER_nondet_int() [L413] COND TRUE \read(tmp___2) [L367] systemActive = 1 [L176] COND FALSE !(\read(pumpRunning)) [L183] COND TRUE \read(systemActive) [L231] int tmp ; [L234] COND FALSE !(\read(pumpRunning)) [L205] int tmp ; [L208] COND FALSE !(\read(pumpRunning)) [L139] int tmp ; [L140] int tmp___0 ; [L118] int retValue_acc ; [L121] retValue_acc = waterLevel [L122] return (retValue_acc); [L144] tmp = getWaterLevel() [L146] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...