./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product14.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_spec2_product14.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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ............................................................................................................................................................................................................................................................................................................................................................. 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 03:28:53,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:28:53,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:28:53,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:28:53,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:28:53,894 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:28:53,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:28:53,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:28:53,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:28:53,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:28:53,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:28:53,918 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:28:53,918 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:28:53,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:28:53,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:28:53,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:28:53,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:28:53,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:28:53,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:28:53,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:28:53,937 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:28:53,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:28:53,943 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:28:53,944 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:28:53,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:28:53,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:28:53,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:28:53,950 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:28:53,950 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:28:53,951 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:28:53,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:28:53,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:28:53,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:28:53,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:28:53,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:28:53,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:28:53,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:28:53,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:28:53,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:28:53,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:28:53,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:28:53,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:28:53,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:28:54,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:28:54,003 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:28:54,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:28:54,007 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:28:54,007 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:28:54,007 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:28:54,008 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:28:54,008 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:28:54,008 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:28:54,008 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:28:54,009 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:28:54,009 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:28:54,009 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:28:54,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:28:54,010 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:28:54,010 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:28:54,011 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:28:54,011 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:28:54,011 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:28:54,012 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:28:54,012 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:28:54,012 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:28:54,013 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:28:54,013 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:28:54,013 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:28:54,014 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:28:54,014 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:28:54,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:28:54,015 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:28:54,015 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:28:54,017 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:28:54,018 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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2019-11-28 03:28:54,348 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:28:54,368 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:28:54,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:28:54,375 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:28:54,376 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:28:54,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-11-28 03:28:54,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e777fed4c/cde05a42ac02478a9645be6040e60b6e/FLAGc693124ce [2019-11-28 03:28:54,939 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:28:54,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product14.cil.c [2019-11-28 03:28:54,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e777fed4c/cde05a42ac02478a9645be6040e60b6e/FLAGc693124ce [2019-11-28 03:28:55,281 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e777fed4c/cde05a42ac02478a9645be6040e60b6e [2019-11-28 03:28:55,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:28:55,286 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:28:55,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:28:55,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:28:55,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:28:55,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:55" (1/1) ... [2019-11-28 03:28:55,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a3e0ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:55, skipping insertion in model container [2019-11-28 03:28:55,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:28:55" (1/1) ... [2019-11-28 03:28:55,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:28:55,353 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:28:55,867 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:28:55,887 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:28:55,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:28:56,009 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:28:56,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56 WrapperNode [2019-11-28 03:28:56,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:28:56,011 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:28:56,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:28:56,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:28:56,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:28:56,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:28:56,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:28:56,097 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:28:56,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,152 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (1/1) ... [2019-11-28 03:28:56,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:28:56,165 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:28:56,165 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:28:56,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:28:56,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (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 03:28:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:28:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:28:56,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:28:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:28:56,896 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:28:56,897 INFO L297 CfgBuilder]: Removed 100 assume(true) statements. [2019-11-28 03:28:56,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:56 BoogieIcfgContainer [2019-11-28 03:28:56,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:28:56,900 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:28:56,900 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:28:56,904 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:28:56,904 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:56,905 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:28:55" (1/3) ... [2019-11-28 03:28:56,906 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dc2ba8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:28:56, skipping insertion in model container [2019-11-28 03:28:56,906 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:56,907 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:28:56" (2/3) ... [2019-11-28 03:28:56,907 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dc2ba8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:28:56, skipping insertion in model container [2019-11-28 03:28:56,907 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:28:56,908 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:56" (3/3) ... [2019-11-28 03:28:56,910 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product14.cil.c [2019-11-28 03:28:56,950 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:28:56,951 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:28:56,951 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:28:56,951 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:28:56,952 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:28:56,952 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:28:56,952 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:28:56,952 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:28:56,971 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2019-11-28 03:28:56,997 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:28:56,997 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:56,998 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:57,004 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:57,005 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:57,005 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:28:57,005 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states. [2019-11-28 03:28:57,010 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:28:57,010 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:57,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:57,011 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:57,012 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:57,018 INFO L794 eck$LassoCheckResult]: Stem: 43#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~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 12#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 15#L160true 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; 9#L168true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 47#L260true assume 0 != main_~tmp~0; 42#L234true ~methAndRunningLastTime~0 := 0; 28#L281true havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 26#L292-1true [2019-11-28 03:28:57,018 INFO L796 eck$LassoCheckResult]: Loop: 26#L292-1true assume !false; 41#L692true assume test_~splverifierCounter~0 < 4; 62#L693true test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 67#L701true assume !(0 != test_~tmp~5); 69#L701-1true test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 53#L711true assume !(0 != test_~tmp___0~1); 56#L711-1true test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 44#L721true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 49#L729-2true assume !(0 != ~pumpRunning~0); 37#L757true assume !(0 != ~systemActive~0); 22#L764true havoc __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_#t~ret13, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 57#L89-1true __utac_acc__Specification2_spec__2_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; 31#L292true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 26#L292-1true [2019-11-28 03:28:57,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:57,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-28 03:28:57,037 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:57,037 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241380477] [2019-11-28 03:28:57,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,421 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:57,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:57,423 INFO L82 PathProgramCache]: Analyzing trace with hash 3338059, now seen corresponding path program 1 times [2019-11-28 03:28:57,423 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:57,424 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286099536] [2019-11-28 03:28:57,424 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:28:57,501 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 03:28:57,502 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286099536] [2019-11-28 03:28:57,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:28:57,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:28:57,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063973243] [2019-11-28 03:28:57,513 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:28:57,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:28:57,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:28:57,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:28:57,533 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 3 states. [2019-11-28 03:28:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:28:57,608 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2019-11-28 03:28:57,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:28:57,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 96 transitions. [2019-11-28 03:28:57,626 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 03:28:57,636 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 63 states and 88 transitions. [2019-11-28 03:28:57,638 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2019-11-28 03:28:57,638 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2019-11-28 03:28:57,639 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 88 transitions. [2019-11-28 03:28:57,641 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:28:57,641 INFO L688 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2019-11-28 03:28:57,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 88 transitions. [2019-11-28 03:28:57,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2019-11-28 03:28:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2019-11-28 03:28:57,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 88 transitions. [2019-11-28 03:28:57,693 INFO L711 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2019-11-28 03:28:57,694 INFO L591 BuchiCegarLoop]: Abstraction has 63 states and 88 transitions. [2019-11-28 03:28:57,694 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:28:57,694 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 88 transitions. [2019-11-28 03:28:57,699 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 03:28:57,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:28:57,700 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:28:57,701 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:57,701 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:28:57,701 INFO L794 eck$LassoCheckResult]: Stem: 197#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~string32.base, #t~string32.offset := #Ultimate.allocOnStack(30);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(9);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(21);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(30);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(9);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(30);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(9);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(13);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(110, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 2 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(102, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 3 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string63.base, #t~string63.offset, 1);call write~init~int(80, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(117, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(109, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(112, #t~string63.base, 4 + #t~string63.offset, 1);call write~init~int(58, #t~string63.base, 5 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 6 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string69.base, #t~string69.offset, 1);call write~init~int(32, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 171#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 172#L160 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; 165#L168 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 166#L260 assume 0 != main_~tmp~0; 196#L234 ~methAndRunningLastTime~0 := 0; 189#L281 havoc test_#t~nondet49, test_#t~nondet50, test_#t~nondet51, test_#t~nondet52, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 163#L292-1 [2019-11-28 03:28:57,702 INFO L796 eck$LassoCheckResult]: Loop: 163#L292-1 assume !false; 187#L692 assume test_~splverifierCounter~0 < 4; 195#L693 test_~tmp~5 := test_#t~nondet49;havoc test_#t~nondet49; 209#L701 assume !(0 != test_~tmp~5); 211#L701-1 test_~tmp___0~1 := test_#t~nondet50;havoc test_#t~nondet50; 205#L711 assume !(0 != test_~tmp___0~1); 181#L711-1 test_~tmp___2~0 := test_#t~nondet51;havoc test_#t~nondet51; 198#L721 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 200#L729-2 assume !(0 != ~pumpRunning~0); 193#L757 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 167#L789 assume !(0 != ~pumpRunning~0); 150#L764 havoc __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_#t~ret13, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 182#L89-1 __utac_acc__Specification2_spec__2_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret12;havoc __utac_acc__Specification2_spec__2_#t~ret12; 190#L292 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 163#L292-1 [2019-11-28 03:28:57,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:57,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-28 03:28:57,702 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:57,703 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967821721] [2019-11-28 03:28:57,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,849 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:57,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:57,850 INFO L82 PathProgramCache]: Analyzing trace with hash 82951361, now seen corresponding path program 1 times [2019-11-28 03:28:57,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:57,850 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111802319] [2019-11-28 03:28:57,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,863 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:28:57,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:28:57,864 INFO L82 PathProgramCache]: Analyzing trace with hash 145339271, now seen corresponding path program 1 times [2019-11-28 03:28:57,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:28:57,864 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625624425] [2019-11-28 03:28:57,865 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:28:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:28:57,951 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:29:25,816 WARN L192 SmtUtils]: Spent 27.72 s on a formula simplification. DAG size of input: 456 DAG size of output: 404 [2019-11-28 03:29:38,925 WARN L192 SmtUtils]: Spent 13.09 s on a formula simplification that was a NOOP. DAG size: 402 [2019-11-28 03:29:39,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:29:39 BoogieIcfgContainer [2019-11-28 03:29:39,007 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:29:39,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:29:39,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:29:39,008 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:29:39,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:28:56" (3/4) ... [2019-11-28 03:29:39,014 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:29:39,075 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:29:39,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:29:39,078 INFO L168 Benchmark]: Toolchain (without parser) took 43791.73 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 263.2 MB). Free memory was 961.7 MB in the beginning and 806.0 MB in the end (delta: 155.7 MB). Peak memory consumption was 418.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:39,078 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 03:29:39,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 724.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:39,080 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:39,080 INFO L168 Benchmark]: Boogie Preprocessor took 68.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:29:39,081 INFO L168 Benchmark]: RCFGBuilder took 734.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:39,082 INFO L168 Benchmark]: BuchiAutomizer took 42107.17 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 153.6 MB). Free memory was 1.0 GB in the beginning and 818.4 MB in the end (delta: 203.6 MB). Peak memory consumption was 365.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:39,083 INFO L168 Benchmark]: Witness Printer took 68.52 ms. Allocated memory is still 1.3 GB. Free memory was 818.4 MB in the beginning and 806.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:29:39,087 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 724.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -121.3 MB). Peak memory consumption was 25.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.59 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 68.43 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 734.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42107.17 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 153.6 MB). Free memory was 1.0 GB in the beginning and 818.4 MB in the end (delta: 203.6 MB). Peak memory consumption was 365.3 MB. Max. memory is 11.5 GB. * Witness Printer took 68.52 ms. Allocated memory is still 1.3 GB. Free memory was 818.4 MB in the beginning and 806.0 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 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 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.7s. 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 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 93 SDtfs, 93 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: 691]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=927} State at position 1 is {NULL=0, retValue_acc=0, NULL=937, NULL=0, NULL=0, NULL=927, NULL=949, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ca8cd8a=0, NULL=944, NULL=0, NULL=0, NULL=0, NULL=942, NULL=0, NULL=952, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a518d95=0, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5096313f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@433f2a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a16d97c=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dceecc2=0, NULL=936, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@709e6099=0, NULL=0, NULL=0, tmp=0, NULL=930, NULL=951, NULL=0, tmp___1=0, NULL=941, cleanupTimeShifts=4, NULL=938, NULL=931, NULL=934, NULL=0, systemActive=1, waterLevel=1, NULL=939, NULL=0, NULL=943, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=950, \result=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=940, tmp___0=0, retValue_acc=1, NULL=948, NULL=945, NULL=0, NULL=933, tmp___2=63, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fc25b0f=0, methAndRunningLastTime=0, \result=0, NULL=935, NULL=946, head=0, tmp=0, NULL=932, NULL=0, NULL=929, tmp=0, NULL=947, NULL=928} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L173] int cleanupTimeShifts = 4; [L275] int methAndRunningLastTime ; [L483] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L750] int pumpRunning = 0; [L751] int systemActive = 1; [L251] int retValue_acc ; [L252] int tmp ; [L164] int retValue_acc ; [L167] retValue_acc = 1 [L168] return (retValue_acc); [L258] tmp = valid_product() [L260] COND TRUE \read(tmp) [L280] methAndRunningLastTime = 0 [L682] int splverifierCounter ; [L683] int tmp ; [L684] int tmp___0 ; [L685] int tmp___1 ; [L686] int tmp___2 ; [L689] splverifierCounter = 0 Loop: [L691] COND TRUE 1 [L693] COND TRUE splverifierCounter < 4 [L699] tmp = __VERIFIER_nondet_int() [L701] COND FALSE !(\read(tmp)) [L709] tmp___0 = __VERIFIER_nondet_int() [L711] COND FALSE !(\read(tmp___0)) [L719] tmp___2 = __VERIFIER_nondet_int() [L721] COND TRUE \read(tmp___2) [L903] systemActive = 1 [L757] COND FALSE !(\read(pumpRunning)) [L764] COND TRUE \read(systemActive) [L786] int tmp ; [L789] COND FALSE !(\read(pumpRunning)) [L285] int tmp ; [L286] int tmp___0 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L290] tmp = isMethaneLevelCritical() [L292] COND FALSE !(\read(tmp)) [L308] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...