./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 ................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 21:04:31,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:04:31,612 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:04:31,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:04:31,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:04:31,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:04:31,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:04:31,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:04:31,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:04:31,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:04:31,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:04:31,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:04:31,634 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:04:31,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:04:31,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:04:31,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:04:31,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:04:31,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:04:31,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:04:31,642 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:04:31,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:04:31,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:04:31,646 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:04:31,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:04:31,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:04:31,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:04:31,649 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:04:31,650 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:04:31,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:04:31,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:04:31,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:04:31,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:04:31,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:04:31,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:04:31,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:04:31,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:04:31,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:04:31,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:04:31,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:04:31,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:04:31,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:04:31,659 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:04:31,683 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:04:31,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:04:31,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:04:31,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:04:31,685 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:04:31,686 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:04:31,686 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:04:31,686 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:04:31,687 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:04:31,687 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:04:31,688 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:04:31,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:04:31,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:04:31,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:04:31,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:04:31,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:04:31,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:04:31,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:04:31,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:04:31,690 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:04:31,690 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:04:31,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:04:31,691 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:04:31,691 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:04:31,691 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:04:31,691 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:04:31,691 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:04:31,692 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:04:31,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:04:31,692 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:04:31,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:04:31,693 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:04:31,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:04:31,695 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 -> 904c71b80b4bb17fcf1b6c28867d5f8f29ca13f4 [2019-11-28 21:04:31,981 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:04:31,993 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:04:31,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:04:31,997 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:04:31,997 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:04:31,998 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2019-11-28 21:04:32,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ad85bd8/73586078c223406fa443114c8aff92ce/FLAGaa50428cd [2019-11-28 21:04:32,545 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:04:32,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2019-11-28 21:04:32,565 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ad85bd8/73586078c223406fa443114c8aff92ce/FLAGaa50428cd [2019-11-28 21:04:32,890 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0ad85bd8/73586078c223406fa443114c8aff92ce [2019-11-28 21:04:32,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:04:32,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:04:32,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:04:32,895 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:04:32,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:04:32,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:04:32" (1/1) ... [2019-11-28 21:04:32,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a736f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:32, skipping insertion in model container [2019-11-28 21:04:32,903 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:04:32" (1/1) ... [2019-11-28 21:04:32,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:04:32,969 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:04:33,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:04:33,382 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:04:33,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:04:33,512 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:04:33,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33 WrapperNode [2019-11-28 21:04:33,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:04:33,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:04:33,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:04:33,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:04:33,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:04:33,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:04:33,581 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:04:33,581 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:04:33,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (1/1) ... [2019-11-28 21:04:33,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:04:33,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:04:33,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:04:33,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:04:33,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (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 21:04:33,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:04:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:04:33,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:04:33,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:04:34,396 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:04:34,397 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 21:04:34,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:04:34 BoogieIcfgContainer [2019-11-28 21:04:34,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:04:34,399 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:04:34,399 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:04:34,402 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:04:34,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:04:34,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:04:32" (1/3) ... [2019-11-28 21:04:34,404 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50323f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:04:34, skipping insertion in model container [2019-11-28 21:04:34,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:04:34,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:04:33" (2/3) ... [2019-11-28 21:04:34,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50323f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:04:34, skipping insertion in model container [2019-11-28 21:04:34,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:04:34,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:04:34" (3/3) ... [2019-11-28 21:04:34,407 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2019-11-28 21:04:34,452 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:04:34,452 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:04:34,453 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:04:34,453 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:04:34,454 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:04:34,454 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:04:34,454 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:04:34,454 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:04:34,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 21:04:34,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 21:04:34,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:04:34,512 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:04:34,521 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:04:34,521 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:04:34,521 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:04:34,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2019-11-28 21:04:34,536 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2019-11-28 21:04:34,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:04:34,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:04:34,538 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:04:34,538 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:04:34,552 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 20#L-1true havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 22#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 16#L73true main_#t~ret23 := valid_product_#res;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; 73#L379true assume 0 != main_~tmp~2; 43#L356true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L855-1true [2019-11-28 21:04:34,553 INFO L796 eck$LassoCheckResult]: Loop: 13#L855-1true assume !false; 57#L243true assume test_~splverifierCounter~0 < 4; 68#L244true test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 8#L252true assume !(0 != test_~tmp~1); 5#L252-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 63#L262true assume !(0 != test_~tmp___0~0); 61#L262-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 45#L272true assume 0 != test_~tmp___2~0; 19#L278-2true assume !(0 != ~pumpRunning~0); 30#L103true assume !(0 != ~systemActive~0); 40#L110true havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 64#L803-1true __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 38#L849true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 13#L855-1true [2019-11-28 21:04:34,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:34,561 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:04:34,570 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:34,570 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273073655] [2019-11-28 21:04:34,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:34,980 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:04:34,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:34,982 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899275, now seen corresponding path program 1 times [2019-11-28 21:04:34,982 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:34,982 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909183597] [2019-11-28 21:04:34,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:35,000 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:04:35,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:35,002 INFO L82 PathProgramCache]: Analyzing trace with hash 32379663, now seen corresponding path program 1 times [2019-11-28 21:04:35,002 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:35,003 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679480136] [2019-11-28 21:04:35,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:04:35,143 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 21:04:35,144 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679480136] [2019-11-28 21:04:35,144 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:04:35,145 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 21:04:35,145 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520142263] [2019-11-28 21:04:35,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:04:35,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 21:04:35,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 21:04:35,260 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2019-11-28 21:04:35,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:04:35,379 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2019-11-28 21:04:35,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 21:04:35,381 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2019-11-28 21:04:35,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 21:04:35,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2019-11-28 21:04:35,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2019-11-28 21:04:35,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2019-11-28 21:04:35,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2019-11-28 21:04:35,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:04:35,392 INFO L688 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 21:04:35,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2019-11-28 21:04:35,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-11-28 21:04:35,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-11-28 21:04:35,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2019-11-28 21:04:35,427 INFO L711 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 21:04:35,427 INFO L591 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2019-11-28 21:04:35,427 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:04:35,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2019-11-28 21:04:35,429 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 21:04:35,429 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:04:35,429 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:04:35,430 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:04:35,430 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:04:35,430 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 196#L-1 havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 197#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 191#L73 main_#t~ret23 := valid_product_#res;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; 192#L379 assume 0 != main_~tmp~2; 219#L356 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 175#L855-1 [2019-11-28 21:04:35,431 INFO L796 eck$LassoCheckResult]: Loop: 175#L855-1 assume !false; 186#L243 assume test_~splverifierCounter~0 < 4; 226#L244 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 179#L252 assume !(0 != test_~tmp~1); 167#L252-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 168#L262 assume !(0 != test_~tmp___0~0); 206#L262-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 221#L272 assume 0 != test_~tmp___2~0; 193#L278-2 assume !(0 != ~pumpRunning~0); 194#L103 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 181#L135 assume !(0 != ~pumpRunning~0); 182#L110 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 215#L803-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 212#L849 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 175#L855-1 [2019-11-28 21:04:35,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:35,431 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:04:35,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:35,432 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300155648] [2019-11-28 21:04:35,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:35,530 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:04:35,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:35,530 INFO L82 PathProgramCache]: Analyzing trace with hash -619797874, now seen corresponding path program 1 times [2019-11-28 21:04:35,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:35,531 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021733771] [2019-11-28 21:04:35,531 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:35,543 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:04:35,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:35,544 INFO L82 PathProgramCache]: Analyzing trace with hash 983241652, now seen corresponding path program 1 times [2019-11-28 21:04:35,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:35,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104430563] [2019-11-28 21:04:35,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:04:35,702 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 21:04:35,706 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104430563] [2019-11-28 21:04:35,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:04:35,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 21:04:35,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648784254] [2019-11-28 21:04:35,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:04:35,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 21:04:35,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 21:04:35,787 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. cyclomatic complexity: 27 Second operand 5 states. [2019-11-28 21:04:36,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:04:36,039 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2019-11-28 21:04:36,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 21:04:36,041 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 300 transitions. [2019-11-28 21:04:36,045 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2019-11-28 21:04:36,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 300 transitions. [2019-11-28 21:04:36,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2019-11-28 21:04:36,050 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2019-11-28 21:04:36,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 300 transitions. [2019-11-28 21:04:36,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:04:36,052 INFO L688 BuchiCegarLoop]: Abstraction has 211 states and 300 transitions. [2019-11-28 21:04:36,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 300 transitions. [2019-11-28 21:04:36,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 124. [2019-11-28 21:04:36,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-11-28 21:04:36,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2019-11-28 21:04:36,065 INFO L711 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2019-11-28 21:04:36,065 INFO L591 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2019-11-28 21:04:36,066 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 21:04:36,066 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 170 transitions. [2019-11-28 21:04:36,070 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2019-11-28 21:04:36,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:04:36,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:04:36,072 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:04:36,073 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:04:36,073 INFO L794 eck$LassoCheckResult]: Stem: 501#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(77, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(101, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(116, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(104, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string64.base, #t~string64.offset, 1);call write~init~int(82, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(73, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(84, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 4 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(75, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 1 + #t~string68.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 490#L-1 havoc main_#res;havoc main_#t~ret23, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 491#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 485#L73 main_#t~ret23 := valid_product_#res;main_~tmp~2 := main_#t~ret23;havoc main_#t~ret23; 486#L379 assume 0 != main_~tmp~2; 516#L356 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 517#L855-1 [2019-11-28 21:04:36,073 INFO L796 eck$LassoCheckResult]: Loop: 517#L855-1 assume !false; 567#L243 assume test_~splverifierCounter~0 < 4; 542#L244 test_~tmp~1 := test_#t~nondet19;havoc test_#t~nondet19; 468#L252 assume !(0 != test_~tmp~1); 461#L252-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 462#L262 assume !(0 != test_~tmp___0~0); 536#L262-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 520#L272 assume 0 != test_~tmp___2~0; 487#L278-2 assume !(0 != ~pumpRunning~0); 488#L103 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret1, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 475#L135 assume !(0 != ~pumpRunning~0); 476#L110 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 538#L803-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 539#L849 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 521#L835 __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 522#L855 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 517#L855-1 [2019-11-28 21:04:36,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:36,075 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 21:04:36,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:36,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456674519] [2019-11-28 21:04:36,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:36,194 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:04:36,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:36,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1374702912, now seen corresponding path program 1 times [2019-11-28 21:04:36,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:36,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620060475] [2019-11-28 21:04:36,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:36,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:36,210 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:04:36,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:04:36,212 INFO L82 PathProgramCache]: Analyzing trace with hash 2428134, now seen corresponding path program 1 times [2019-11-28 21:04:36,212 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:04:36,213 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055497382] [2019-11-28 21:04:36,213 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:04:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:04:36,317 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:05:03,322 WARN L192 SmtUtils]: Spent 26.90 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:05:16,626 WARN L192 SmtUtils]: Spent 13.30 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:05:16,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:05:16 BoogieIcfgContainer [2019-11-28 21:05:16,735 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:05:16,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:05:16,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:05:16,736 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:05:16,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:04:34" (3/4) ... [2019-11-28 21:05:16,739 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:05:16,811 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:05:16,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:05:16,813 INFO L168 Benchmark]: Toolchain (without parser) took 43918.93 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -249.0 MB). Peak memory consumption was 60.9 MB. Max. memory is 11.5 GB. [2019-11-28 21:05:16,814 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 21:05:16,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-28 21:05:16,815 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.41 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 21:05:16,815 INFO L168 Benchmark]: Boogie Preprocessor took 56.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-28 21:05:16,816 INFO L168 Benchmark]: RCFGBuilder took 760.05 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: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:05:16,817 INFO L168 Benchmark]: BuchiAutomizer took 42336.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -157.0 MB). Peak memory consumption was 380.5 MB. Max. memory is 11.5 GB. [2019-11-28 21:05:16,818 INFO L168 Benchmark]: Witness Printer took 75.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2019-11-28 21:05:16,821 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -165.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.41 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. * Boogie Preprocessor took 56.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 760.05 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: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 42336.17 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 164.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -157.0 MB). Peak memory consumption was 380.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.89 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 124 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 42.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 41.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 87 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 124 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 202 SDtfs, 587 SDslu, 327 SDs, 0 SdLazy, 87 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 242]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=6834} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=10128, NULL=6839, NULL=0, NULL=6834, NULL=6846, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=6847, NULL=10129, methaneLevelCritical=0, NULL=6841, NULL=0, NULL=0, NULL=10126, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1186013e=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a1281b6=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@362f6369=0, cleanupTimeShifts=4, tmp=0, NULL=6854, NULL=6848, NULL=6853, NULL=6838, tmp___0=1, tmp=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=10127, NULL=0, NULL=6845, NULL=6842, NULL=0, tmp___0=0, NULL=0, NULL=6837, NULL=0, NULL=0, NULL=0, NULL=6852, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1e279dea=0, \result=1, NULL=6850, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4095926e=0, \result=0, NULL=6844, NULL=6855, tmp=1, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33efcd7c=0, retValue_acc=1, retValue_acc=1, tmp___2=61, splverifierCounter=0, \result=0, NULL=6836, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680a9b44=0, tmp=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dbde0b1=61, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d18f678=0, NULL=6835, NULL=6851, NULL=6843, NULL=6849, NULL=6840} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L95] int pumpRunning = 0; [L96] int systemActive = 1; [L297] int cleanupTimeShifts = 4; [L562] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L760] int waterLevel = 1; [L761] int methaneLevelCritical = 0; [L370] int retValue_acc ; [L371] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L377] tmp = valid_product() [L379] COND TRUE \read(tmp) [L233] int splverifierCounter ; [L234] int tmp ; [L235] int tmp___0 ; [L236] int tmp___1 ; [L237] int tmp___2 ; [L240] splverifierCounter = 0 Loop: [L242] COND TRUE 1 [L244] COND TRUE splverifierCounter < 4 [L250] tmp = __VERIFIER_nondet_int() [L252] COND FALSE !(\read(tmp)) [L260] tmp___0 = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp___0)) [L270] tmp___2 = __VERIFIER_nondet_int() [L272] COND TRUE \read(tmp___2) [L103] COND FALSE !(\read(pumpRunning)) [L110] COND TRUE \read(systemActive) [L132] int tmp ; [L135] COND FALSE !(\read(pumpRunning)) [L841] int tmp ; [L842] int tmp___0 ; [L843] int tmp___1 ; [L799] int retValue_acc ; [L802] retValue_acc = methaneLevelCritical [L803] return (retValue_acc); [L847] tmp = isMethaneLevelCritical() [L849] COND FALSE !(\read(tmp)) [L831] int retValue_acc ; [L834] retValue_acc = waterLevel [L835] return (retValue_acc); [L853] tmp___0 = getWaterLevel() [L855] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...