./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.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 b18fc9f0044b48e81511337a91deb94a0dfeec26 ........................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 23:55:09,481 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:55:09,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:55:09,496 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:55:09,496 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:55:09,497 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:55:09,499 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:55:09,501 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:55:09,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:55:09,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:55:09,505 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:55:09,505 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:55:09,507 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:55:09,508 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:55:09,509 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:55:09,510 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:55:09,511 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:55:09,514 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:55:09,516 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:55:09,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:55:09,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:55:09,521 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:55:09,524 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:55:09,524 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:55:09,525 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:55:09,526 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:55:09,527 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:55:09,528 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:55:09,529 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:55:09,531 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:55:09,531 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:55:09,532 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:55:09,532 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:55:09,532 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:55:09,533 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:55:09,534 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:55:09,534 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:55:09,552 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:55:09,552 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:55:09,553 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:55:09,554 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:55:09,554 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:55:09,554 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:55:09,554 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:55:09,554 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:55:09,555 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:55:09,555 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:55:09,555 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:55:09,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:55:09,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:55:09,556 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:55:09,556 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:55:09,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:55:09,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:55:09,556 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:55:09,556 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:55:09,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:55:09,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:55:09,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:55:09,557 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:55:09,557 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:55:09,558 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:55:09,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:55:09,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:55:09,558 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:55:09,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:55:09,558 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:55:09,559 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:55:09,560 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:55:09,560 INFO L133 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 -> b18fc9f0044b48e81511337a91deb94a0dfeec26 [2018-11-28 23:55:09,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:55:09,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:55:09,609 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:55:09,611 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:55:09,611 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:55:09,612 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-11-28 23:55:09,665 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d62cbe56/0841e899ca544bebbb747f46a96a6eca/FLAG707b5161c [2018-11-28 23:55:10,169 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:55:10,170 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-11-28 23:55:10,187 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d62cbe56/0841e899ca544bebbb747f46a96a6eca/FLAG707b5161c [2018-11-28 23:55:10,480 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d62cbe56/0841e899ca544bebbb747f46a96a6eca [2018-11-28 23:55:10,485 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:55:10,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:55:10,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:10,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:55:10,499 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:55:10,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:10" (1/1) ... [2018-11-28 23:55:10,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6462de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:10, skipping insertion in model container [2018-11-28 23:55:10,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:55:10" (1/1) ... [2018-11-28 23:55:10,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:55:10,582 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:55:11,044 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:11,068 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:55:11,210 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:55:11,340 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:55:11,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11 WrapperNode [2018-11-28 23:55:11,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:55:11,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:11,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:55:11,342 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:55:11,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:55:11,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:55:11,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:55:11,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:55:11,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,474 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (1/1) ... [2018-11-28 23:55:11,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:55:11,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:55:11,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:55:11,489 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:55:11,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (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 [2018-11-28 23:55:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:55:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:55:11,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:55:11,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:55:12,745 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:55:12,745 INFO L280 CfgBuilder]: Removed 120 assue(true) statements. [2018-11-28 23:55:12,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:12 BoogieIcfgContainer [2018-11-28 23:55:12,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:55:12,747 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:55:12,748 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:55:12,752 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:55:12,753 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:12,755 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:55:10" (1/3) ... [2018-11-28 23:55:12,756 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e2dbf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:55:12, skipping insertion in model container [2018-11-28 23:55:12,756 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:12,756 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:55:11" (2/3) ... [2018-11-28 23:55:12,757 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3e2dbf6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:55:12, skipping insertion in model container [2018-11-28 23:55:12,757 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:55:12,757 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:12" (3/3) ... [2018-11-28 23:55:12,759 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product44_false-unreach-call_false-termination.cil.c [2018-11-28 23:55:12,818 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:55:12,819 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:55:12,819 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:55:12,819 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:55:12,819 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:55:12,819 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:55:12,820 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:55:12,820 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:55:12,820 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:55:12,837 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states. [2018-11-28 23:55:12,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-11-28 23:55:12,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:12,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:12,876 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:12,876 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:12,876 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:55:12,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 86 states. [2018-11-28 23:55:12,883 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55 [2018-11-28 23:55:12,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:12,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:12,885 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:12,885 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:12,891 INFO L794 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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);~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 41#L838true havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 51#L846true main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 47#L933true assume 0 != main_~tmp~8; 3#L910true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L795-1true [2018-11-28 23:55:12,892 INFO L796 eck$LassoCheckResult]: Loop: 71#L795-1true assume !false; 46#L432true assume test_~splverifierCounter~0 < 4; 68#L433true test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 73#L441true assume !(0 != test_~tmp~3); 75#L441-1true test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 52#L451true assume !(0 != test_~tmp___0~0); 55#L451-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 22#L461true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 27#L469-1true assume !(0 != ~pumpRunning~0); 72#L506true assume !(0 != ~systemActive~0); 58#L513true havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 63#L736-1true __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 69#L795true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 71#L795-1true [2018-11-28 23:55:12,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:55:12,901 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:12,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:12,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:12,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:12,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:13,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash -1671648180, now seen corresponding path program 1 times [2018-11-28 23:55:13,201 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:13,202 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:13,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:13,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:55:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:55:13,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:55:13,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:55:13,297 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:55:13,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:55:13,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:55:13,315 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 3 states. [2018-11-28 23:55:13,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:55:13,412 INFO L93 Difference]: Finished difference Result 166 states and 234 transitions. [2018-11-28 23:55:13,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:55:13,416 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 166 states and 234 transitions. [2018-11-28 23:55:13,426 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 106 [2018-11-28 23:55:13,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 166 states to 152 states and 219 transitions. [2018-11-28 23:55:13,438 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 152 [2018-11-28 23:55:13,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 152 [2018-11-28 23:55:13,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 152 states and 219 transitions. [2018-11-28 23:55:13,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:55:13,443 INFO L705 BuchiCegarLoop]: Abstraction has 152 states and 219 transitions. [2018-11-28 23:55:13,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states and 219 transitions. [2018-11-28 23:55:13,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 150. [2018-11-28 23:55:13,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-28 23:55:13,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 216 transitions. [2018-11-28 23:55:13,491 INFO L728 BuchiCegarLoop]: Abstraction has 150 states and 216 transitions. [2018-11-28 23:55:13,491 INFO L608 BuchiCegarLoop]: Abstraction has 150 states and 216 transitions. [2018-11-28 23:55:13,491 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:55:13,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 150 states and 216 transitions. [2018-11-28 23:55:13,495 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2018-11-28 23:55:13,496 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:13,496 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:13,497 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:13,497 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:13,497 INFO L794 eck$LassoCheckResult]: Stem: 306#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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);~cleanupTimeShifts~0 := 4; 275#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 276#L838 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 318#L846 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 325#L933 assume 0 != main_~tmp~8; 261#L910 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 262#L795-1 [2018-11-28 23:55:13,497 INFO L796 eck$LassoCheckResult]: Loop: 262#L795-1 assume !false; 322#L432 assume test_~splverifierCounter~0 < 4; 323#L433 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 345#L441 assume !(0 != test_~tmp~3); 344#L441-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 330#L451 assume !(0 != test_~tmp___0~0); 331#L451-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 291#L461 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 292#L469-1 assume !(0 != ~pumpRunning~0); 300#L506 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 326#L538 assume !(0 == ~pumpRunning~0); 304#L513 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 338#L736-1 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 340#L795 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 262#L795-1 [2018-11-28 23:55:13,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:13,498 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:55:13,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:13,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:13,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:13,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:13,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:13,620 INFO L82 PathProgramCache]: Analyzing trace with hash -323255269, now seen corresponding path program 1 times [2018-11-28 23:55:13,620 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:13,621 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:13,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,623 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:55:13,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:55:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:55:13,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:55:13,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:55:13,686 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 23:55:13,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:55:13,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:55:13,688 INFO L87 Difference]: Start difference. First operand 150 states and 216 transitions. cyclomatic complexity: 69 Second operand 3 states. [2018-11-28 23:55:13,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:55:13,879 INFO L93 Difference]: Finished difference Result 233 states and 322 transitions. [2018-11-28 23:55:13,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:55:13,882 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 233 states and 322 transitions. [2018-11-28 23:55:13,886 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2018-11-28 23:55:13,890 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 233 states to 233 states and 322 transitions. [2018-11-28 23:55:13,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 233 [2018-11-28 23:55:13,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 233 [2018-11-28 23:55:13,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 233 states and 322 transitions. [2018-11-28 23:55:13,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:55:13,895 INFO L705 BuchiCegarLoop]: Abstraction has 233 states and 322 transitions. [2018-11-28 23:55:13,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states and 322 transitions. [2018-11-28 23:55:13,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-11-28 23:55:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-28 23:55:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 322 transitions. [2018-11-28 23:55:13,918 INFO L728 BuchiCegarLoop]: Abstraction has 233 states and 322 transitions. [2018-11-28 23:55:13,918 INFO L608 BuchiCegarLoop]: Abstraction has 233 states and 322 transitions. [2018-11-28 23:55:13,918 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:55:13,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 233 states and 322 transitions. [2018-11-28 23:55:13,922 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 167 [2018-11-28 23:55:13,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:55:13,923 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:55:13,924 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:55:13,924 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:55:13,924 INFO L794 eck$LassoCheckResult]: Stem: 695#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string43.base, #t~string43.offset := #Ultimate.alloc(13);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string45.base, #t~string45.offset, 1);call write~init~int(110, #t~string45.base, 1 + #t~string45.offset, 1);call write~init~int(0, #t~string45.base, 2 + #t~string45.offset, 1);call #t~string47.base, #t~string47.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(102, #t~string47.base, 2 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 3 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string49.base, #t~string49.offset, 1);call write~init~int(80, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(117, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(109, #t~string49.base, 3 + #t~string49.offset, 1);call write~init~int(112, #t~string49.base, 4 + #t~string49.offset, 1);call write~init~int(58, #t~string49.base, 5 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 6 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string55.base, #t~string55.offset, 1);call write~init~int(32, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 2 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string57.base, #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 1 + #t~string57.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string60.base, #t~string60.offset := #Ultimate.alloc(13);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(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.alloc(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.alloc(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.alloc(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);~cleanupTimeShifts~0 := 4; 665#L-1 havoc main_#res;havoc main_#t~ret72, main_~retValue_acc~11, main_~tmp~8;havoc main_~retValue_acc~11;havoc main_~tmp~8; 666#L838 havoc valid_product_#res;havoc valid_product_~retValue_acc~10;havoc valid_product_~retValue_acc~10;valid_product_~retValue_acc~10 := 1;valid_product_#res := valid_product_~retValue_acc~10; 711#L846 main_#t~ret72 := valid_product_#res;main_~tmp~8 := main_#t~ret72;havoc main_#t~ret72; 721#L933 assume 0 != main_~tmp~8; 650#L910 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 651#L795-1 [2018-11-28 23:55:13,924 INFO L796 eck$LassoCheckResult]: Loop: 651#L795-1 assume !false; 718#L432 assume test_~splverifierCounter~0 < 4; 719#L433 test_~tmp~3 := test_#t~nondet35;havoc test_#t~nondet35; 742#L441 assume !(0 != test_~tmp~3); 741#L441-1 test_~tmp___0~0 := test_#t~nondet36;havoc test_#t~nondet36; 727#L451 assume !(0 != test_~tmp___0~0); 728#L451-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 679#L461 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 680#L469-1 assume !(0 != ~pumpRunning~0); 690#L506 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret39, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 819#L538 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret58, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 817#L776 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 813#L781 isHighWaterLevel_#t~ret58 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret58;havoc isHighWaterLevel_#t~ret58; 812#L658 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 811#L658-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 810#L664 processEnvironment_#t~ret39 := isHighWaterLevel_#res;processEnvironment_~tmp~4 := processEnvironment_#t~ret39;havoc processEnvironment_#t~ret39; 805#L542 assume !(0 != processEnvironment_~tmp~4); 804#L513 havoc __utac_acc__Specification1_spec__1_#t~ret69, __utac_acc__Specification1_spec__1_#t~ret70, __utac_acc__Specification1_spec__1_~tmp~7, __utac_acc__Specification1_spec__1_~tmp___0~2;havoc __utac_acc__Specification1_spec__1_~tmp~7;havoc __utac_acc__Specification1_spec__1_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 803#L736-1 __utac_acc__Specification1_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~7 := __utac_acc__Specification1_spec__1_#t~ret69;havoc __utac_acc__Specification1_spec__1_#t~ret69; 802#L795 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~7); 651#L795-1 [2018-11-28 23:55:13,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:13,929 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 23:55:13,929 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:13,929 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:13,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:13,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:13,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:13,997 INFO L82 PathProgramCache]: Analyzing trace with hash -1551152025, now seen corresponding path program 1 times [2018-11-28 23:55:13,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:13,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:13,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:13,998 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:55:13,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:14,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:55:14,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1536440051, now seen corresponding path program 1 times [2018-11-28 23:55:14,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:55:14,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:55:14,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:14,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:55:14,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:55:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:55:14,693 WARN L180 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2018-11-28 23:55:15,015 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-11-28 23:55:21,485 WARN L180 SmtUtils]: Spent 6.45 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:55:24,045 WARN L180 SmtUtils]: Spent 2.56 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:55:24,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:55:24 BoogieIcfgContainer [2018-11-28 23:55:24,111 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:55:24,111 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:55:24,111 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:55:24,111 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:55:24,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:55:12" (3/4) ... [2018-11-28 23:55:24,117 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:55:24,190 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:55:24,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:55:24,192 INFO L168 Benchmark]: Toolchain (without parser) took 13706.20 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 305.1 MB). Free memory was 951.3 MB in the beginning and 976.4 MB in the end (delta: -25.0 MB). Peak memory consumption was 280.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:24,193 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:55:24,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 849.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:24,194 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:24,195 INFO L168 Benchmark]: Boogie Preprocessor took 60.72 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. [2018-11-28 23:55:24,195 INFO L168 Benchmark]: RCFGBuilder took 1258.26 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:24,196 INFO L168 Benchmark]: BuchiAutomizer took 11363.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 76.7 MB). Peak memory consumption was 354.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:55:24,196 INFO L168 Benchmark]: Witness Printer took 79.65 ms. Allocated memory is still 1.3 GB. Free memory is still 976.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:55:24,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 849.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -161.3 MB). Peak memory consumption was 43.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.77 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.72 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 1258.26 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: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 11363.19 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 186.1 MB). Free memory was 1.1 GB in the beginning and 976.4 MB in the end (delta: 76.7 MB). Peak memory consumption was 354.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.65 ms. Allocated memory is still 1.3 GB. Free memory is still 976.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 3 locations. The remainder module has 233 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 10.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 233 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 230 SDtfs, 210 SDslu, 158 SDs, 0 SdLazy, 32 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI2 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: 431]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, NULL=38, NULL=0, NULL=0, NULL=0, NULL=17, methaneLevelCritical=0, retValue_acc=1, tmp___0=0, retValue_acc=0, tmp=0, NULL=0, NULL=0, NULL=28, tmp___1=0, NULL=35, NULL=14, tmp___0=0, NULL=26, NULL=15, cleanupTimeShifts=4, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18e9c112=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a9bd2c=0, NULL=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@658cbe9d=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@46c0a806=0, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c950e76=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=0, NULL=29, tmp___0=0, NULL=27, NULL=0, NULL=0, retValue_acc=0, NULL=0, \result=1, NULL=12, head=0, pumpRunning=0, retValue_acc=1, NULL=36, NULL=31, \result=0, NULL=34, tmp=0, NULL=0, NULL=23, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a1c588b=0, NULL=0, \result=1, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f683b22=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54019e69=0, tmp___2=56, NULL=20, tmp=1, splverifierCounter=0, \result=0, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e3387ab=0, NULL=0, NULL=40, NULL=22, NULL=0, NULL=37, NULL=0, NULL=0, NULL=33, NULL=19, NULL=18} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L498] int pumpRunning = 0; [L499] int systemActive = 1; [L693] int waterLevel = 1; [L694] int methaneLevelCritical = 0; [L851] int cleanupTimeShifts = 4; [L924] int retValue_acc ; [L925] int tmp ; [L842] int retValue_acc ; [L845] retValue_acc = 1 [L846] return (retValue_acc); [L931] tmp = valid_product() [L933] COND TRUE \read(tmp) [L422] int splverifierCounter ; [L423] int tmp ; [L424] int tmp___0 ; [L425] int tmp___1 ; [L426] int tmp___2 ; [L429] splverifierCounter = 0 Loop: [L431] COND TRUE 1 [L433] COND TRUE splverifierCounter < 4 [L439] tmp = __VERIFIER_nondet_int() [L441] COND FALSE !(\read(tmp)) [L449] tmp___0 = __VERIFIER_nondet_int() [L451] COND FALSE !(\read(tmp___0)) [L459] tmp___2 = __VERIFIER_nondet_int() [L461] COND TRUE \read(tmp___2) [L687] systemActive = 1 [L506] COND FALSE !(\read(pumpRunning)) [L513] COND TRUE \read(systemActive) [L535] int tmp ; [L538] COND TRUE ! pumpRunning [L650] int retValue_acc ; [L651] int tmp ; [L652] int tmp___0 ; [L773] int retValue_acc ; [L776] COND TRUE waterLevel < 2 [L777] retValue_acc = 1 [L778] return (retValue_acc); [L656] tmp = isHighWaterSensorDry() [L658] COND TRUE \read(tmp) [L659] tmp___0 = 0 [L663] retValue_acc = tmp___0 [L664] return (retValue_acc); [L540] tmp = isHighWaterLevel() [L542] COND FALSE !(\read(tmp)) [L788] int tmp ; [L789] int tmp___0 ; [L732] int retValue_acc ; [L735] retValue_acc = methaneLevelCritical [L736] return (retValue_acc); [L793] tmp = isMethaneLevelCritical() [L795] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...