./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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_spec3_product52_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 406c0cc89d56bc86617076fb4c755244f0ec13e7 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.24-0ed9222-m [2019-01-14 04:24:24,783 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 04:24:24,785 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 04:24:24,803 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 04:24:24,804 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 04:24:24,805 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 04:24:24,806 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 04:24:24,808 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 04:24:24,809 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 04:24:24,810 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 04:24:24,811 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 04:24:24,811 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 04:24:24,812 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 04:24:24,813 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 04:24:24,814 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 04:24:24,815 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 04:24:24,816 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 04:24:24,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 04:24:24,820 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 04:24:24,821 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 04:24:24,822 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 04:24:24,823 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 04:24:24,826 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 04:24:24,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 04:24:24,827 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 04:24:24,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 04:24:24,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 04:24:24,829 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 04:24:24,830 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 04:24:24,831 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 04:24:24,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 04:24:24,832 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 04:24:24,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 04:24:24,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 04:24:24,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 04:24:24,835 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 04:24:24,835 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 04:24:24,855 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 04:24:24,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 04:24:24,857 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 04:24:24,857 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 04:24:24,857 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 04:24:24,857 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 04:24:24,857 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 04:24:24,858 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 04:24:24,858 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 04:24:24,858 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 04:24:24,858 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 04:24:24,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 04:24:24,858 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 04:24:24,859 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 04:24:24,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 04:24:24,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 04:24:24,859 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 04:24:24,859 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 04:24:24,859 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 04:24:24,860 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 04:24:24,860 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 04:24:24,860 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 04:24:24,860 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 04:24:24,860 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 04:24:24,861 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 04:24:24,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 04:24:24,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 04:24:24,861 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 04:24:24,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 04:24:24,861 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 04:24:24,862 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 04:24:24,862 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 04:24:24,863 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 -> 406c0cc89d56bc86617076fb4c755244f0ec13e7 [2019-01-14 04:24:24,900 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 04:24:24,919 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 04:24:24,924 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 04:24:24,926 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 04:24:24,927 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 04:24:24,928 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2019-01-14 04:24:24,989 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc8feda5/8d4caef313f44fcd94a8beccf0e9a22e/FLAG8cd16bbb2 [2019-01-14 04:24:25,481 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 04:24:25,481 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2019-01-14 04:24:25,493 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc8feda5/8d4caef313f44fcd94a8beccf0e9a22e/FLAG8cd16bbb2 [2019-01-14 04:24:25,775 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6dc8feda5/8d4caef313f44fcd94a8beccf0e9a22e [2019-01-14 04:24:25,779 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 04:24:25,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 04:24:25,783 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 04:24:25,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 04:24:25,787 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 04:24:25,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:24:25" (1/1) ... [2019-01-14 04:24:25,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17252cd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:25, skipping insertion in model container [2019-01-14 04:24:25,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 04:24:25" (1/1) ... [2019-01-14 04:24:25,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 04:24:25,852 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 04:24:26,282 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:24:26,311 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 04:24:26,473 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 04:24:26,509 INFO L195 MainTranslator]: Completed translation [2019-01-14 04:24:26,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26 WrapperNode [2019-01-14 04:24:26,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 04:24:26,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 04:24:26,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 04:24:26,512 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 04:24:26,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 04:24:26,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 04:24:26,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 04:24:26,591 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 04:24:26,605 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,622 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (1/1) ... [2019-01-14 04:24:26,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 04:24:26,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 04:24:26,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 04:24:26,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 04:24:26,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (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 [2019-01-14 04:24:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-14 04:24:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-14 04:24:26,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 04:24:26,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 04:24:28,234 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 04:24:28,235 INFO L286 CfgBuilder]: Removed 168 assue(true) statements. [2019-01-14 04:24:28,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:24:28 BoogieIcfgContainer [2019-01-14 04:24:28,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 04:24:28,237 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 04:24:28,237 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 04:24:28,240 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 04:24:28,241 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:24:28,241 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 04:24:25" (1/3) ... [2019-01-14 04:24:28,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd886c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:24:28, skipping insertion in model container [2019-01-14 04:24:28,243 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:24:28,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 04:24:26" (2/3) ... [2019-01-14 04:24:28,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4fd886c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 04:24:28, skipping insertion in model container [2019-01-14 04:24:28,244 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 04:24:28,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:24:28" (3/3) ... [2019-01-14 04:24:28,246 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2019-01-14 04:24:28,294 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 04:24:28,294 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 04:24:28,295 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 04:24:28,295 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 04:24:28,295 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 04:24:28,295 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 04:24:28,295 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 04:24:28,296 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 04:24:28,296 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 04:24:28,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states. [2019-01-14 04:24:28,342 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2019-01-14 04:24:28,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:24:28,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:24:28,350 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:24:28,351 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:24:28,351 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 04:24:28,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 122 states. [2019-01-14 04:24:28,359 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 79 [2019-01-14 04:24:28,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:24:28,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:24:28,361 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:24:28,361 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:24:28,366 INFO L794 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 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);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 87#L883true havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 119#L891true main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 29#L978true assume 0 != main_~tmp~9; 68#L955true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 13#L59-1true [2019-01-14 04:24:28,367 INFO L796 eck$LassoCheckResult]: Loop: 13#L59-1true assume !false; 24#L791true assume test_~splverifierCounter~0 < 4; 100#L792true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 6#L800true assume !(0 != test_~tmp~8); 9#L800-1true test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 37#L810true assume !(0 != test_~tmp___0~3); 27#L810-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 61#L820true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 91#L828-1true assume !(0 != ~pumpRunning~0); 4#L566true assume !(0 != ~systemActive~0); 43#L573true havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 48#L127true __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 40#L53true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 13#L59-1true [2019-01-14 04:24:28,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:28,376 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-14 04:24:28,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:28,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:28,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:28,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:28,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:29,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:29,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1670232129, now seen corresponding path program 1 times [2019-01-14 04:24:29,196 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:29,196 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:29,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:29,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:29,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:24:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:24:29,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:24:29,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:24:29,303 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:24:29,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:24:29,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:24:29,322 INFO L87 Difference]: Start difference. First operand 122 states. Second operand 3 states. [2019-01-14 04:24:29,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:24:29,596 INFO L93 Difference]: Finished difference Result 238 states and 348 transitions. [2019-01-14 04:24:29,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:24:29,601 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 238 states and 348 transitions. [2019-01-14 04:24:29,619 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 154 [2019-01-14 04:24:29,635 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 238 states to 224 states and 333 transitions. [2019-01-14 04:24:29,637 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 224 [2019-01-14 04:24:29,639 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 224 [2019-01-14 04:24:29,640 INFO L73 IsDeterministic]: Start isDeterministic. Operand 224 states and 333 transitions. [2019-01-14 04:24:29,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:24:29,646 INFO L706 BuchiCegarLoop]: Abstraction has 224 states and 333 transitions. [2019-01-14 04:24:29,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states and 333 transitions. [2019-01-14 04:24:29,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2019-01-14 04:24:29,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2019-01-14 04:24:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 330 transitions. [2019-01-14 04:24:29,695 INFO L729 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2019-01-14 04:24:29,696 INFO L609 BuchiCegarLoop]: Abstraction has 222 states and 330 transitions. [2019-01-14 04:24:29,696 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 04:24:29,696 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 330 transitions. [2019-01-14 04:24:29,704 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 152 [2019-01-14 04:24:29,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:24:29,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:24:29,709 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:24:29,709 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:24:29,709 INFO L794 eck$LassoCheckResult]: Stem: 462#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 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);~cleanupTimeShifts~0 := 4; 384#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 385#L883 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 488#L891 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 418#L978 assume 0 != main_~tmp~9; 419#L955 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 467#L59-1 [2019-01-14 04:24:29,710 INFO L796 eck$LassoCheckResult]: Loop: 467#L59-1 assume !false; 544#L791 assume test_~splverifierCounter~0 < 4; 545#L792 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 590#L800 assume !(0 != test_~tmp~8); 588#L800-1 test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 587#L810 assume !(0 != test_~tmp___0~3); 585#L810-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 584#L820 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 460#L828-1 assume !(0 != ~pumpRunning~0); 371#L566 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 372#L624 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret48, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 509#L598-1 assume !(0 == ~pumpRunning~0); 556#L573 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 555#L127 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 546#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 467#L59-1 [2019-01-14 04:24:29,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:29,710 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-14 04:24:29,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:29,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:29,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:29,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:29,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:30,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:30,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1415980259, now seen corresponding path program 1 times [2019-01-14 04:24:30,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:30,056 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:30,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:30,057 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:24:30,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:24:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:24:30,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:24:30,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:24:30,117 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-01-14 04:24:30,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 04:24:30,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 04:24:30,117 INFO L87 Difference]: Start difference. First operand 222 states and 330 transitions. cyclomatic complexity: 111 Second operand 3 states. [2019-01-14 04:24:30,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:24:30,599 INFO L93 Difference]: Finished difference Result 317 states and 448 transitions. [2019-01-14 04:24:30,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-01-14 04:24:30,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 317 states and 448 transitions. [2019-01-14 04:24:30,606 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2019-01-14 04:24:30,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 317 states to 317 states and 448 transitions. [2019-01-14 04:24:30,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 317 [2019-01-14 04:24:30,612 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 317 [2019-01-14 04:24:30,612 INFO L73 IsDeterministic]: Start isDeterministic. Operand 317 states and 448 transitions. [2019-01-14 04:24:30,615 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:24:30,615 INFO L706 BuchiCegarLoop]: Abstraction has 317 states and 448 transitions. [2019-01-14 04:24:30,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states and 448 transitions. [2019-01-14 04:24:30,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2019-01-14 04:24:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-01-14 04:24:30,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 448 transitions. [2019-01-14 04:24:30,634 INFO L729 BuchiCegarLoop]: Abstraction has 317 states and 448 transitions. [2019-01-14 04:24:30,634 INFO L609 BuchiCegarLoop]: Abstraction has 317 states and 448 transitions. [2019-01-14 04:24:30,634 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 04:24:30,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 317 states and 448 transitions. [2019-01-14 04:24:30,638 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 223 [2019-01-14 04:24:30,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:24:30,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:24:30,640 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:24:30,640 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:24:30,640 INFO L794 eck$LassoCheckResult]: Stem: 1009#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 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);~cleanupTimeShifts~0 := 4; 928#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 929#L883 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 1036#L891 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 963#L978 assume 0 != main_~tmp~9; 964#L955 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 932#L59-1 [2019-01-14 04:24:30,641 INFO L796 eck$LassoCheckResult]: Loop: 932#L59-1 assume !false; 933#L791 assume test_~splverifierCounter~0 < 4; 953#L792 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 920#L800 assume !(0 != test_~tmp~8); 922#L800-1 test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 927#L810 assume !(0 != test_~tmp___0~3); 1120#L810-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 1119#L820 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1007#L828-1 assume !(0 != ~pumpRunning~0); 916#L566 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 917#L624 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret48, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 1143#L598-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1046#L167-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1047#L172-1 isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; 1111#L726-3 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 1108#L726-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 1106#L732-1 processEnvironment__wrappee__highWaterSensor_#t~ret48 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret48;havoc processEnvironment__wrappee__highWaterSensor_#t~ret48; 1103#L602-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 987#L573 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 988#L127 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 983#L53 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0; 932#L59-1 [2019-01-14 04:24:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:30,641 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2019-01-14 04:24:30,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:30,642 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:30,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:30,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:30,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:31,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:31,071 INFO L82 PathProgramCache]: Analyzing trace with hash 890409545, now seen corresponding path program 1 times [2019-01-14 04:24:31,071 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:31,071 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:31,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:31,074 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:24:31,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:31,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:31,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1346480739, now seen corresponding path program 1 times [2019-01-14 04:24:31,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:31,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:31,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:31,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 04:24:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 04:24:31,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 04:24:31,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 04:24:31,922 WARN L181 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 49 [2019-01-14 04:24:32,338 WARN L181 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2019-01-14 04:24:32,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-01-14 04:24:32,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-01-14 04:24:32,349 INFO L87 Difference]: Start difference. First operand 317 states and 448 transitions. cyclomatic complexity: 134 Second operand 5 states. [2019-01-14 04:24:32,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 04:24:32,955 INFO L93 Difference]: Finished difference Result 1101 states and 1566 transitions. [2019-01-14 04:24:32,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-01-14 04:24:32,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1101 states and 1566 transitions. [2019-01-14 04:24:32,969 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 834 [2019-01-14 04:24:32,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1101 states to 1101 states and 1566 transitions. [2019-01-14 04:24:32,978 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1101 [2019-01-14 04:24:32,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1101 [2019-01-14 04:24:32,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1101 states and 1566 transitions. [2019-01-14 04:24:32,985 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 04:24:32,985 INFO L706 BuchiCegarLoop]: Abstraction has 1101 states and 1566 transitions. [2019-01-14 04:24:32,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states and 1566 transitions. [2019-01-14 04:24:33,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 628. [2019-01-14 04:24:33,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-01-14 04:24:33,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 874 transitions. [2019-01-14 04:24:33,011 INFO L729 BuchiCegarLoop]: Abstraction has 628 states and 874 transitions. [2019-01-14 04:24:33,011 INFO L609 BuchiCegarLoop]: Abstraction has 628 states and 874 transitions. [2019-01-14 04:24:33,011 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2019-01-14 04:24:33,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 628 states and 874 transitions. [2019-01-14 04:24:33,021 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 446 [2019-01-14 04:24:33,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 04:24:33,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 04:24:33,022 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-14 04:24:33,022 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 04:24:33,022 INFO L794 eck$LassoCheckResult]: Stem: 2449#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string6.base, #t~string6.offset, 1);call write~init~int(77, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(101, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(116, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(104, #t~string6.base, 4 + #t~string6.offset, 1);call write~init~int(58, #t~string6.base, 5 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 6 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string8.base, #t~string8.offset, 1);call write~init~int(82, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(73, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(84, #t~string8.base, 3 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 4 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(75, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string12.base, #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 1 + #t~string12.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(30);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(9);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(25);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 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);~cleanupTimeShifts~0 := 4; 2364#L-1 havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~9;havoc main_~retValue_acc~13;havoc main_~tmp~9; 2365#L883 havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 2472#L891 main_#t~ret74 := valid_product_#res;main_~tmp~9 := main_#t~ret74;havoc main_#t~ret74; 2401#L978 assume 0 != main_~tmp~9; 2402#L955 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~3, test_~tmp___1~1, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~3;havoc test_~tmp___1~1;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 2454#L59-1 [2019-01-14 04:24:33,022 INFO L796 eck$LassoCheckResult]: Loop: 2454#L59-1 assume !false; 2679#L791 assume test_~splverifierCounter~0 < 4; 2678#L792 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 2675#L800 assume !(0 != test_~tmp~8); 2672#L800-1 test_~tmp___0~3 := test_#t~nondet70;havoc test_#t~nondet70; 2670#L810 assume !(0 != test_~tmp___0~3); 2667#L810-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 2663#L820 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 2475#L828-1 assume !(0 != ~pumpRunning~0); 2352#L566 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 2353#L624 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret48, processEnvironment__wrappee__highWaterSensor_~tmp~4;havoc processEnvironment__wrappee__highWaterSensor_~tmp~4; 2409#L598-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret67, isHighWaterLevel_~retValue_acc~9, isHighWaterLevel_~tmp~6, isHighWaterLevel_~tmp___0~1;havoc isHighWaterLevel_~retValue_acc~9;havoc isHighWaterLevel_~tmp~6;havoc isHighWaterLevel_~tmp___0~1;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 2410#L167-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 2376#L172-1 isHighWaterLevel_#t~ret67 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~6 := isHighWaterLevel_#t~ret67;havoc isHighWaterLevel_#t~ret67; 2377#L726-3 assume 0 != isHighWaterLevel_~tmp~6;isHighWaterLevel_~tmp___0~1 := 0; 2473#L726-5 isHighWaterLevel_~retValue_acc~9 := isHighWaterLevel_~tmp___0~1;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~9; 2455#L732-1 processEnvironment__wrappee__highWaterSensor_#t~ret48 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~4 := processEnvironment__wrappee__highWaterSensor_#t~ret48;havoc processEnvironment__wrappee__highWaterSensor_#t~ret48; 2456#L602-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~4); 2478#L573 havoc __utac_acc__Specification3_spec__1_#t~ret0, __utac_acc__Specification3_spec__1_#t~ret1, __utac_acc__Specification3_spec__1_#t~ret2, __utac_acc__Specification3_spec__1_~tmp~0, __utac_acc__Specification3_spec__1_~tmp___0~0, __utac_acc__Specification3_spec__1_~tmp___1~0;havoc __utac_acc__Specification3_spec__1_~tmp~0;havoc __utac_acc__Specification3_spec__1_~tmp___0~0;havoc __utac_acc__Specification3_spec__1_~tmp___1~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 2428#L127 __utac_acc__Specification3_spec__1_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~0 := __utac_acc__Specification3_spec__1_#t~ret0;havoc __utac_acc__Specification3_spec__1_#t~ret0; 2419#L53 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 2420#L159 __utac_acc__Specification3_spec__1_#t~ret1 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~0 := __utac_acc__Specification3_spec__1_#t~ret1;havoc __utac_acc__Specification3_spec__1_#t~ret1; 2490#L59 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0); 2454#L59-1 [2019-01-14 04:24:33,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:33,024 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 4 times [2019-01-14 04:24:33,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:33,024 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:33,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:33,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:33,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:33,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:33,329 INFO L82 PathProgramCache]: Analyzing trace with hash 985089051, now seen corresponding path program 1 times [2019-01-14 04:24:33,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:33,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:33,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:33,332 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-14 04:24:33,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:33,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:33,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 04:24:33,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1182842293, now seen corresponding path program 1 times [2019-01-14 04:24:33,349 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 04:24:33,349 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 04:24:33,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:33,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 04:24:33,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 04:24:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 04:24:34,755 WARN L181 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 61 DAG size of output: 54 [2019-01-14 04:24:55,774 WARN L181 SmtUtils]: Spent 20.91 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-14 04:25:09,521 WARN L181 SmtUtils]: Spent 13.75 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-14 04:25:09,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 04:25:09 BoogieIcfgContainer [2019-01-14 04:25:09,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 04:25:09,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 04:25:09,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 04:25:09,598 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 04:25:09,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 04:24:28" (3/4) ... [2019-01-14 04:25:09,604 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-14 04:25:09,688 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 04:25:09,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 04:25:09,689 INFO L168 Benchmark]: Toolchain (without parser) took 43909.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 354.4 MB). Free memory was 951.3 MB in the beginning and 1.2 GB in the end (delta: -228.7 MB). Peak memory consumption was 125.8 MB. Max. memory is 11.5 GB. [2019-01-14 04:25:09,690 INFO L168 Benchmark]: CDTParser took 0.16 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. [2019-01-14 04:25:09,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:25:09,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 04:25:09,693 INFO L168 Benchmark]: Boogie Preprocessor took 49.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:25:09,694 INFO L168 Benchmark]: RCFGBuilder took 1596.07 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: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2019-01-14 04:25:09,695 INFO L168 Benchmark]: BuchiAutomizer took 41360.09 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.3 MB). Peak memory consumption was 400.4 MB. Max. memory is 11.5 GB. [2019-01-14 04:25:09,695 INFO L168 Benchmark]: Witness Printer took 91.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 11.5 GB. [2019-01-14 04:25:09,701 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 727.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -176.8 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.19 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1596.07 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: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41360.09 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 206.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.3 MB). Peak memory consumption was 400.4 MB. Max. memory is 11.5 GB. * Witness Printer took 91.05 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 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 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 628 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 39.5s. Construction of modules took 1.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 475 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 628 states and ocurred in iteration 3. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 608 SDtfs, 985 SDslu, 1058 SDs, 0 SdLazy, 85 SolverSat, 40 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 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: 790]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@63ca0154=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@253ddc7a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@280c720e=0, retValue_acc=0, NULL=0, NULL=0, NULL=-3, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18e96253=0, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=-18, NULL=-8, methaneLevelCritical=0, NULL=-22, tmp___0=0, NULL=-15, NULL=-5, NULL=0, retValue_acc=0, tmp___1=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp___0=1, NULL=-10, tmp=0, tmp=0, cleanupTimeShifts=4, NULL=-11, NULL=-20, NULL=-16, NULL=-23, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=-25, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@105d87aa=0, NULL=-6, \result=0, NULL=0, NULL=-4, NULL=0, NULL=0, NULL=-9, NULL=0, NULL=0, NULL=-2, \result=1, retValue_acc=1, retValue_acc=0, head=0, pumpRunning=0, \result=0, NULL=-17, NULL=0, NULL=-19, retValue_acc=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49df65f4=0, NULL=0, NULL=0, NULL=-13, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13c4b43=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a047842=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7fc7c41b=68, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10277bc2=0, tmp___0=0, tmp___2=68, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3468efe0=0, tmp=1, splverifierCounter=0, \result=0, NULL=-21, tmp___1=0, head=0, tmp=0, tmp=1, NULL=-1, NULL=0, NULL=-12, NULL=-14, NULL=-7, NULL=-24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L896] int cleanupTimeShifts = 4; [L969] int retValue_acc ; [L970] int tmp ; [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) [L781] int splverifierCounter ; [L782] int tmp ; [L783] int tmp___0 ; [L784] int tmp___1 ; [L785] int tmp___2 ; [L788] splverifierCounter = 0 Loop: [L790] COND TRUE 1 [L792] COND TRUE splverifierCounter < 4 [L798] tmp = __VERIFIER_nondet_int() [L800] COND FALSE !(\read(tmp)) [L808] tmp___0 = __VERIFIER_nondet_int() [L810] COND FALSE !(\read(tmp___0)) [L818] tmp___2 = __VERIFIER_nondet_int() [L820] COND TRUE \read(tmp___2) [L774] systemActive = 1 [L566] COND FALSE !(\read(pumpRunning)) [L573] COND TRUE \read(systemActive) [L621] int tmp ; [L624] COND FALSE !(\read(pumpRunning)) [L595] int tmp ; [L598] COND TRUE ! pumpRunning [L718] int retValue_acc ; [L719] int tmp ; [L720] int tmp___0 ; [L164] int retValue_acc ; [L167] COND TRUE waterLevel < 2 [L168] retValue_acc = 1 [L169] return (retValue_acc); [L724] tmp = isHighWaterSensorDry() [L726] COND TRUE \read(tmp) [L727] tmp___0 = 0 [L731] retValue_acc = tmp___0 [L732] return (retValue_acc); [L600] tmp = isHighWaterLevel() [L602] COND FALSE !(\read(tmp)) [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); [L57] tmp___0 = getWaterLevel() [L59] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...