./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product17.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 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c ............................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:32:48,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:32:48,635 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:32:48,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:32:48,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:32:48,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:32:48,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:32:48,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:32:48,668 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:32:48,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:32:48,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:32:48,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:32:48,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:32:48,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:32:48,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:32:48,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:32:48,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:32:48,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:32:48,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:32:48,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:32:48,697 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:32:48,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:32:48,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:32:48,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:32:48,708 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:32:48,708 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:32:48,709 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:32:48,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:32:48,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:32:48,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:32:48,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:32:48,713 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:32:48,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:32:48,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:32:48,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:32:48,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:32:48,718 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:32:48,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:32:48,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:32:48,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:32:48,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:32:48,721 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:32:48,744 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:32:48,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:32:48,745 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:32:48,749 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:32:48,750 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:32:48,750 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:32:48,750 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:32:48,750 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:32:48,750 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:32:48,751 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:32:48,751 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:32:48,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:32:48,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:32:48,752 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:32:48,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:32:48,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:32:48,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:32:48,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:32:48,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:32:48,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:32:48,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:32:48,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:32:48,755 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:32:48,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:32:48,759 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:32:48,760 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:32:48,760 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:32:48,760 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:32:48,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:32:48,761 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:32:48,761 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:32:48,762 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:32:48,762 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 -> 5ac89a83bf5f8cec9ed1c7380129a7935c1d366c [2019-11-28 03:32:49,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:32:49,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:32:49,092 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:32:49,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:32:49,094 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:32:49,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-11-28 03:32:49,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f1a9016/b969a3e61a1f4600a48e473e1dbdaf10/FLAGb9c911352 [2019-11-28 03:32:49,734 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:32:49,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product17.cil.c [2019-11-28 03:32:49,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f1a9016/b969a3e61a1f4600a48e473e1dbdaf10/FLAGb9c911352 [2019-11-28 03:32:49,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16f1a9016/b969a3e61a1f4600a48e473e1dbdaf10 [2019-11-28 03:32:49,987 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:32:49,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:32:49,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:32:49,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:32:49,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:32:49,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:49" (1/1) ... [2019-11-28 03:32:49,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b0e12b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:49, skipping insertion in model container [2019-11-28 03:32:49,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:32:49" (1/1) ... [2019-11-28 03:32:50,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:32:50,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:32:50,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:32:50,487 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:32:50,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:32:50,596 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:32:50,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50 WrapperNode [2019-11-28 03:32:50,597 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:32:50,598 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:32:50,598 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:32:50,598 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:32:50,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,671 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:32:50,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:32:50,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:32:50,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:32:50,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,711 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... [2019-11-28 03:32:50,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:32:50,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:32:50,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:32:50,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:32:50,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:32:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:32:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:32:50,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:32:50,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:32:51,529 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:32:51,530 INFO L297 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 03:32:51,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:51 BoogieIcfgContainer [2019-11-28 03:32:51,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:32:51,533 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:32:51,533 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:32:51,537 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:32:51,538 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:51,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:32:49" (1/3) ... [2019-11-28 03:32:51,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb23ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:32:51, skipping insertion in model container [2019-11-28 03:32:51,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:51,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:32:50" (2/3) ... [2019-11-28 03:32:51,542 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1bb23ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:32:51, skipping insertion in model container [2019-11-28 03:32:51,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:32:51,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:51" (3/3) ... [2019-11-28 03:32:51,546 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product17.cil.c [2019-11-28 03:32:51,598 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:32:51,598 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:32:51,599 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:32:51,600 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:32:51,600 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:32:51,600 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:32:51,600 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:32:51,601 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:32:51,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-11-28 03:32:51,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-28 03:32:51,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:51,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:51,682 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:51,682 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:51,683 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:32:51,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2019-11-28 03:32:51,698 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2019-11-28 03:32:51,699 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:51,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:51,700 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:51,700 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:51,706 INFO L794 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 9#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 25#L856true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 50#L864true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 31#L820true assume 0 != main_~tmp~6; 41#L794true havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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#L884-1true [2019-11-28 03:32:51,707 INFO L796 eck$LassoCheckResult]: Loop: 71#L884-1true assume !false; 46#L524true assume test_~splverifierCounter~0 < 4; 63#L525true test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 8#L533true assume !(0 != test_~tmp~3); 68#L533-1true test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 67#L543true assume !(0 != test_~tmp___0~0); 52#L543-1true test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 33#L553true assume 0 != test_~tmp___2~0; 5#L559-2true assume !(0 != ~pumpRunning~0); 43#L590true assume !(0 != ~systemActive~0); 51#L597true havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 72#L456true __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 24#L878true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 71#L884-1true [2019-11-28 03:32:51,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:51,717 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:32:51,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:51,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855129042] [2019-11-28 03:32:51,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,133 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:52,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:52,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1681683787, now seen corresponding path program 1 times [2019-11-28 03:32:52,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:52,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493482326] [2019-11-28 03:32:52,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,171 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:52,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:52,173 INFO L82 PathProgramCache]: Analyzing trace with hash 32595151, now seen corresponding path program 1 times [2019-11-28 03:32:52,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:52,174 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388095057] [2019-11-28 03:32:52,174 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:32:52,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:32:52,323 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388095057] [2019-11-28 03:32:52,323 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:32:52,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 03:32:52,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658320050] [2019-11-28 03:32:52,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:32:52,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 03:32:52,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 03:32:52,432 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2019-11-28 03:32:52,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:32:52,578 INFO L93 Difference]: Finished difference Result 78 states and 106 transitions. [2019-11-28 03:32:52,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-28 03:32:52,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 106 transitions. [2019-11-28 03:32:52,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:32:52,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 71 states and 99 transitions. [2019-11-28 03:32:52,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 71 [2019-11-28 03:32:52,604 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 71 [2019-11-28 03:32:52,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 99 transitions. [2019-11-28 03:32:52,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:32:52,606 INFO L688 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 03:32:52,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 99 transitions. [2019-11-28 03:32:52,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-11-28 03:32:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-11-28 03:32:52,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 99 transitions. [2019-11-28 03:32:52,636 INFO L711 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 03:32:52,636 INFO L591 BuchiCegarLoop]: Abstraction has 71 states and 99 transitions. [2019-11-28 03:32:52,636 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:32:52,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 99 transitions. [2019-11-28 03:32:52,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2019-11-28 03:32:52,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:52,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:52,639 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:52,639 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:32:52,640 INFO L794 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 189#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 190#L856 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 207#L864 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 219#L820 assume 0 != main_~tmp~6; 220#L794 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 177#L884-1 [2019-11-28 03:32:52,640 INFO L796 eck$LassoCheckResult]: Loop: 177#L884-1 assume !false; 233#L524 assume test_~splverifierCounter~0 < 4; 234#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 184#L533 assume !(0 != test_~tmp~3); 186#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 244#L543 assume !(0 != test_~tmp___0~0); 228#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 222#L553 assume 0 != test_~tmp___2~0; 178#L559-2 assume !(0 != ~pumpRunning~0); 179#L590 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 201#L622 assume !(0 != ~pumpRunning~0); 202#L597 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 236#L456 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 205#L878 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 177#L884-1 [2019-11-28 03:32:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:52,640 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:32:52,641 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:52,641 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829108209] [2019-11-28 03:32:52,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,738 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:52,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:52,739 INFO L82 PathProgramCache]: Analyzing trace with hash -619582386, now seen corresponding path program 1 times [2019-11-28 03:32:52,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:52,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437853098] [2019-11-28 03:32:52,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:52,752 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:52,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:52,753 INFO L82 PathProgramCache]: Analyzing trace with hash 983457140, now seen corresponding path program 1 times [2019-11-28 03:32:52,754 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:52,754 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336715188] [2019-11-28 03:32:52,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:32:52,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:32:52,836 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336715188] [2019-11-28 03:32:52,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:32:52,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:32:52,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992279484] [2019-11-28 03:32:52,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:32:52,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-28 03:32:52,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-28 03:32:52,915 INFO L87 Difference]: Start difference. First operand 71 states and 99 transitions. cyclomatic complexity: 30 Second operand 5 states. [2019-11-28 03:32:53,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:32:53,051 INFO L93 Difference]: Finished difference Result 241 states and 345 transitions. [2019-11-28 03:32:53,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-28 03:32:53,053 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 241 states and 345 transitions. [2019-11-28 03:32:53,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 168 [2019-11-28 03:32:53,069 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 241 states to 241 states and 345 transitions. [2019-11-28 03:32:53,069 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 241 [2019-11-28 03:32:53,070 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 241 [2019-11-28 03:32:53,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 241 states and 345 transitions. [2019-11-28 03:32:53,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:32:53,072 INFO L688 BuchiCegarLoop]: Abstraction has 241 states and 345 transitions. [2019-11-28 03:32:53,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states and 345 transitions. [2019-11-28 03:32:53,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 136. [2019-11-28 03:32:53,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2019-11-28 03:32:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 188 transitions. [2019-11-28 03:32:53,086 INFO L711 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-11-28 03:32:53,086 INFO L591 BuchiCegarLoop]: Abstraction has 136 states and 188 transitions. [2019-11-28 03:32:53,086 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-28 03:32:53,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 136 states and 188 transitions. [2019-11-28 03:32:53,088 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 94 [2019-11-28 03:32:53,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:32:53,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:32:53,089 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:32:53,089 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 03:32:53,089 INFO L794 eck$LassoCheckResult]: Stem: 553#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(30);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(9);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(21);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(30);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(9);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(25);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(25);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 517#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 518#L856 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 537#L864 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 549#L820 assume 0 != main_~tmp~6; 550#L794 havoc test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_#t~nondet48, 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; 507#L884-1 [2019-11-28 03:32:53,090 INFO L796 eck$LassoCheckResult]: Loop: 507#L884-1 assume !false; 563#L524 assume test_~splverifierCounter~0 < 4; 564#L525 test_~tmp~3 := test_#t~nondet45;havoc test_#t~nondet45; 639#L533 assume !(0 != test_~tmp~3); 637#L533-1 test_~tmp___0~0 := test_#t~nondet46;havoc test_#t~nondet46; 636#L543 assume !(0 != test_~tmp___0~0); 569#L543-1 test_~tmp___2~0 := test_#t~nondet47;havoc test_#t~nondet47; 552#L553 assume 0 != test_~tmp___2~0; 508#L559-2 assume !(0 != ~pumpRunning~0); 509#L590 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 531#L622 assume !(0 != ~pumpRunning~0); 532#L597 havoc __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_#t~ret72, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~2, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~2;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 611#L456 __utac_acc__Specification3_spec__1_#t~ret70 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 533#L878 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 534#L488 __utac_acc__Specification3_spec__1_#t~ret71 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~2 := __utac_acc__Specification3_spec__1_#t~ret71;havoc __utac_acc__Specification3_spec__1_#t~ret71; 584#L884 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2); 507#L884-1 [2019-11-28 03:32:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:53,090 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-11-28 03:32:53,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:53,091 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007822283] [2019-11-28 03:32:53,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:53,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:53,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:53,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1581787104, now seen corresponding path program 1 times [2019-11-28 03:32:53,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:53,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845349063] [2019-11-28 03:32:53,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:53,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:53,220 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:32:53,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:32:53,221 INFO L82 PathProgramCache]: Analyzing trace with hash 209512326, now seen corresponding path program 1 times [2019-11-28 03:32:53,221 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:32:53,222 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721016657] [2019-11-28 03:32:53,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:32:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:32:53,293 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:33:17,598 WARN L192 SmtUtils]: Spent 24.21 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:33:31,517 WARN L192 SmtUtils]: Spent 13.92 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:33:31,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:33:31 BoogieIcfgContainer [2019-11-28 03:33:31,594 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:33:31,595 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:33:31,595 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:33:31,595 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:33:31,596 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:32:51" (3/4) ... [2019-11-28 03:33:31,599 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:33:31,660 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:33:31,660 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:33:31,662 INFO L168 Benchmark]: Toolchain (without parser) took 41673.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 961.7 MB in the beginning and 1.3 GB in the end (delta: -307.9 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,663 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:33:31,663 INFO L168 Benchmark]: CACSL2BoogieTranslator took 607.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,664 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,664 INFO L168 Benchmark]: Boogie Preprocessor took 43.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,668 INFO L168 Benchmark]: RCFGBuilder took 816.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,669 INFO L168 Benchmark]: BuchiAutomizer took 40061.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -214.3 MB). Peak memory consumption was 392.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,669 INFO L168 Benchmark]: Witness Printer took 65.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:33:31,680 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 607.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -167.3 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 816.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.2 MB). Peak memory consumption was 51.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 40061.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 169.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -214.3 MB). Peak memory consumption was 392.4 MB. Max. memory is 11.5 GB. * Witness Printer took 65.78 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 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 136 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 39.4s. Construction of modules took 0.1s. 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, 105 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 136 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 236 SDtfs, 672 SDslu, 402 SDs, 0 SdLazy, 51 SolverSat, 18 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: 523]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4789} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=4789, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5cec6bf9=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ef3e2c0=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1bbd2c95=0, NULL=0, NULL=4800, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29fda8f0=0, NULL=0, retValue_acc=0, NULL=4790, NULL=13005, methaneLevelCritical=0, retValue_acc=1, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26a84df4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71843df4=0, tmp___1=0, NULL=4794, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b79798d=0, NULL=13011, NULL=4795, NULL=13014, NULL=4791, cleanupTimeShifts=4, NULL=4799, NULL=13009, tmp=0, tmp___0=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=4801, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@299852e0=0, NULL=13261, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70cc7570=0, NULL=0, NULL=13006, NULL=0, NULL=0, \result=1, NULL=13012, head=0, pumpRunning=0, \result=0, NULL=13007, NULL=4792, NULL=0, NULL=0, NULL=13013, NULL=0, tmp=1, NULL=13010, tmp___2=53, retValue_acc=1, NULL=13008, splverifierCounter=0, \result=0, tmp___1=0, head=0, tmp=0, NULL=0, NULL=4793, NULL=4796, NULL=0, NULL=4797, NULL=0, NULL=0, NULL=13262, NULL=4798, NULL=13004} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L582] int pumpRunning = 0; [L583] int systemActive = 1; [L735] int cleanupTimeShifts = 4; [L811] int retValue_acc ; [L812] int tmp ; [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] return (retValue_acc); [L818] tmp = valid_product() [L820] COND TRUE \read(tmp) [L514] int splverifierCounter ; [L515] int tmp ; [L516] int tmp___0 ; [L517] int tmp___1 ; [L518] int tmp___2 ; [L521] splverifierCounter = 0 Loop: [L523] COND TRUE 1 [L525] COND TRUE splverifierCounter < 4 [L531] tmp = __VERIFIER_nondet_int() [L533] COND FALSE !(\read(tmp)) [L541] tmp___0 = __VERIFIER_nondet_int() [L543] COND FALSE !(\read(tmp___0)) [L551] tmp___2 = __VERIFIER_nondet_int() [L553] COND TRUE \read(tmp___2) [L590] COND FALSE !(\read(pumpRunning)) [L597] COND TRUE \read(systemActive) [L619] int tmp ; [L622] COND FALSE !(\read(pumpRunning)) [L870] int tmp ; [L871] int tmp___0 ; [L872] int tmp___1 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L876] tmp = isMethaneLevelCritical() [L878] COND FALSE !(\read(tmp)) [L484] int retValue_acc ; [L487] retValue_acc = waterLevel [L488] return (retValue_acc); [L882] tmp___0 = getWaterLevel() [L884] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...