./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product31_true-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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ..................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:59:28,847 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:59:28,849 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:59:28,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:59:28,869 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:59:28,870 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:59:28,872 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:59:28,876 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:59:28,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:59:28,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:59:28,883 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:59:28,883 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:59:28,884 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:59:28,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:59:28,894 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:59:28,896 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:59:28,898 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:59:28,901 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:59:28,904 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:59:28,908 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:59:28,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:59:28,915 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:59:28,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:59:28,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:59:28,920 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:59:28,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:59:28,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:59:28,924 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:59:28,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:59:28,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:59:28,928 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:59:28,930 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:59:28,930 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:59:28,930 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:59:28,931 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:59:28,932 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:59:28,932 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:59:28,959 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:59:28,959 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:59:28,960 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:59:28,960 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:59:28,960 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:59:28,961 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:59:28,961 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:59:28,961 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:59:28,962 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:59:28,962 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:59:28,962 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:59:28,962 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:59:28,962 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:59:28,962 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:59:28,963 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:59:28,963 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:59:28,963 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:59:28,963 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:59:28,963 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:59:28,963 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:59:28,965 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:59:28,965 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:59:28,965 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:59:28,966 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:59:28,966 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:59:28,966 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:59:28,966 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:59:28,966 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:59:28,966 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:59:28,967 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:59:28,968 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:59:28,969 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:59:28,969 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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-11-28 23:59:29,004 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:59:29,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:59:29,025 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:59:29,026 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:59:29,027 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:59:29,027 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:29,089 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4034edd69/76173cc37f9947aea79295d1bc17b9b4/FLAG1af86c11c [2018-11-28 23:59:29,642 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:59:29,643 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:29,658 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4034edd69/76173cc37f9947aea79295d1bc17b9b4/FLAG1af86c11c [2018-11-28 23:59:29,943 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4034edd69/76173cc37f9947aea79295d1bc17b9b4 [2018-11-28 23:59:29,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:59:29,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:59:29,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:29,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:59:29,959 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:59:29,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:29" (1/1) ... [2018-11-28 23:59:29,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:29, skipping insertion in model container [2018-11-28 23:59:29,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:59:29" (1/1) ... [2018-11-28 23:59:29,975 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:59:30,049 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:59:30,409 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:30,425 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:59:30,541 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:59:30,591 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:59:30,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30 WrapperNode [2018-11-28 23:59:30,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:59:30,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:30,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:59:30,593 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:59:30,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,761 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:59:30,764 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:59:30,764 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:59:30,764 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:59:30,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... [2018-11-28 23:59:30,830 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:59:30,831 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:59:30,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:59:30,831 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:59:30,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:59:30,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 23:59:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 23:59:30,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:59:30,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:59:32,241 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:59:32,241 INFO L280 CfgBuilder]: Removed 160 assue(true) statements. [2018-11-28 23:59:32,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:32 BoogieIcfgContainer [2018-11-28 23:59:32,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:59:32,243 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:59:32,243 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:59:32,247 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:59:32,248 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:32,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:59:29" (1/3) ... [2018-11-28 23:59:32,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aa89ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:32, skipping insertion in model container [2018-11-28 23:59:32,252 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:32,252 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:59:30" (2/3) ... [2018-11-28 23:59:32,252 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6aa89ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:59:32, skipping insertion in model container [2018-11-28 23:59:32,252 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:59:32,253 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:32" (3/3) ... [2018-11-28 23:59:32,255 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-11-28 23:59:32,320 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:59:32,320 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:59:32,321 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:59:32,321 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:59:32,321 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:59:32,321 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:59:32,321 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:59:32,321 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:59:32,321 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:59:32,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-28 23:59:32,395 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-28 23:59:32,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:32,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:32,408 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:32,408 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:32,409 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:59:32,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-28 23:59:32,419 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-28 23:59:32,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:32,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:32,422 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:32,422 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:32,428 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 3#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 29#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 64#L174true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 63#L130true assume 0 != main_~tmp~0; 8#L103true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 99#L930-1true [2018-11-28 23:59:32,429 INFO L796 eck$LassoCheckResult]: Loop: 99#L930-1true assume !false; 10#L651true assume test_~splverifierCounter~0 < 4; 97#L652true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 104#L660true assume !(0 != test_~tmp~4); 105#L660-1true test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 14#L670true assume !(0 != test_~tmp___0~0); 17#L670-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 70#L680true assume 0 != test_~tmp___2~0; 54#L686-1true assume !(0 != ~pumpRunning~0); 92#L718true assume !(0 != ~systemActive~0); 40#L725true havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 72#L625true __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 95#L930true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 99#L930-1true [2018-11-28 23:59:32,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:32,435 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 23:59:32,437 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:32,438 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:32,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:32,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:32,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:32,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:32,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2018-11-28 23:59:32,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:32,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:32,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:32,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:32,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:32,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:32,734 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2018-11-28 23:59:32,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:32,735 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:32,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:32,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:32,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:59:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:59:32,992 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:59:32,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 23:59:33,218 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-28 23:59:33,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 23:59:33,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 23:59:33,258 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2018-11-28 23:59:33,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:59:33,640 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2018-11-28 23:59:33,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 23:59:33,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2018-11-28 23:59:33,657 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2018-11-28 23:59:33,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2018-11-28 23:59:33,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2018-11-28 23:59:33,671 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2018-11-28 23:59:33,671 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2018-11-28 23:59:33,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:59:33,674 INFO L705 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2018-11-28 23:59:33,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2018-11-28 23:59:33,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2018-11-28 23:59:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-28 23:59:33,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2018-11-28 23:59:33,727 INFO L728 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2018-11-28 23:59:33,728 INFO L608 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2018-11-28 23:59:33,728 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:59:33,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2018-11-28 23:59:33,731 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2018-11-28 23:59:33,731 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:59:33,731 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:59:33,739 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 23:59:33,739 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:59:33,740 INFO L794 eck$LassoCheckResult]: Stem: 467#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string38.base, #t~string38.offset := #Ultimate.alloc(13);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string40.base, #t~string40.offset, 1);call write~init~int(77, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(101, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(116, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(104, #t~string40.base, 4 + #t~string40.offset, 1);call write~init~int(58, #t~string40.base, 5 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 6 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string42.base, #t~string42.offset, 1);call write~init~int(82, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(73, #t~string42.base, 2 + #t~string42.offset, 1);call write~init~int(84, #t~string42.base, 3 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 4 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string44.base, #t~string44.offset, 1);call write~init~int(75, #t~string44.base, 1 + #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 2 + #t~string44.offset, 1);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string46.base, #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 1 + #t~string46.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 374#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 375#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 423#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 460#L130 assume 0 != main_~tmp~0; 386#L103 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 387#L930-1 [2018-11-28 23:59:33,740 INFO L796 eck$LassoCheckResult]: Loop: 387#L930-1 assume !false; 391#L651 assume test_~splverifierCounter~0 < 4; 392#L652 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 471#L660 assume !(0 != test_~tmp~4); 421#L660-1 test_~tmp___0~0 := test_#t~nondet48;havoc test_#t~nondet48; 398#L670 assume !(0 != test_~tmp___0~0); 399#L670-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 402#L680 assume 0 != test_~tmp___2~0; 452#L686-1 assume !(0 != ~pumpRunning~0); 454#L718 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret52, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 468#L776 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret51, processEnvironment__wrappee__methaneQuery_~tmp~5;havoc processEnvironment__wrappee__methaneQuery_~tmp~5; 384#L750-1 assume !(0 != ~pumpRunning~0); 382#L725 havoc __utac_acc__Specification4_spec__1_#t~ret72, __utac_acc__Specification4_spec__1_#t~ret73, __utac_acc__Specification4_spec__1_~tmp~9, __utac_acc__Specification4_spec__1_~tmp___0~2;havoc __utac_acc__Specification4_spec__1_~tmp~9;havoc __utac_acc__Specification4_spec__1_~tmp___0~2;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 437#L625 __utac_acc__Specification4_spec__1_#t~ret72 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~9 := __utac_acc__Specification4_spec__1_#t~ret72;havoc __utac_acc__Specification4_spec__1_#t~ret72; 463#L930 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~9); 387#L930-1 [2018-11-28 23:59:33,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:33,741 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 23:59:33,745 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:33,745 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:33,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:33,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:33,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:33,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:33,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2018-11-28 23:59:33,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:33,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:33,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:33,813 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:59:33,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:33,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:59:33,828 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2018-11-28 23:59:33,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:59:33,828 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:59:33,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:33,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:59:33,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:59:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:59:34,144 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:59:34,336 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2018-11-28 23:59:39,217 WARN L180 SmtUtils]: Spent 4.87 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 23:59:41,097 WARN L180 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 23:59:41,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:59:41 BoogieIcfgContainer [2018-11-28 23:59:41,147 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:59:41,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:59:41,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:59:41,148 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:59:41,148 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:59:32" (3/4) ... [2018-11-28 23:59:41,153 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 23:59:41,211 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:59:41,212 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:59:41,213 INFO L168 Benchmark]: Toolchain (without parser) took 11264.56 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 297.3 MB). Free memory was 947.3 MB in the beginning and 974.2 MB in the end (delta: -26.8 MB). Peak memory consumption was 270.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:41,214 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:59:41,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.31 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:41,215 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -211.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:41,216 INFO L168 Benchmark]: Boogie Preprocessor took 66.13 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. [2018-11-28 23:59:41,218 INFO L168 Benchmark]: RCFGBuilder took 1411.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:41,218 INFO L168 Benchmark]: BuchiAutomizer took 8904.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 977.2 MB in the end (delta: 97.8 MB). Peak memory consumption was 334.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:41,219 INFO L168 Benchmark]: Witness Printer took 64.50 ms. Allocated memory is still 1.3 GB. Free memory was 977.2 MB in the beginning and 974.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:59:41,225 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 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 641.31 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 920.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 171.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 920.5 MB in the beginning and 1.1 GB in the end (delta: -211.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 66.13 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. * RCFGBuilder took 1411.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.4 MB). Peak memory consumption was 57.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8904.30 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 153.1 MB). Free memory was 1.1 GB in the beginning and 977.2 MB in the end (delta: 97.8 MB). Peak memory consumption was 334.0 MB. Max. memory is 11.5 GB. * Witness Printer took 64.50 ms. Allocated memory is still 1.3 GB. Free memory was 977.2 MB in the beginning and 974.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 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 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 8.1s. Construction of modules took 0.2s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 650]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=38, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@30f60b61=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6463e66a=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f81e06=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b83318a=0, NULL=33, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11cb172=0, NULL=0, NULL=15, NULL=28, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b8e361=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7705291e=0, tmp=0, NULL=0, NULL=42, NULL=0, NULL=35, tmp___1=0, NULL=37, NULL=12, NULL=19, cleanupTimeShifts=4, NULL=17, NULL=31, NULL=40, NULL=18, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=23, NULL=22, tmp___0=0, NULL=20, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=36, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a4e23cd=0, NULL=27, NULL=0, NULL=0, NULL=0, NULL=29, retValue_acc=1, retValue_acc=1, tmp___2=56, tmp=1, NULL=16, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78d159bc=0, NULL=14, head=0, NULL=34, NULL=0, tmp=0, NULL=0, NULL=39, NULL=0, NULL=0, NULL=24, NULL=26, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L348] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L550] int waterLevel = 1; [L551] int methaneLevelCritical = 0; [L710] int pumpRunning = 0; [L711] int systemActive = 1; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L641] int splverifierCounter ; [L642] int tmp ; [L643] int tmp___0 ; [L644] int tmp___1 ; [L645] int tmp___2 ; [L648] splverifierCounter = 0 Loop: [L650] COND TRUE 1 [L652] COND TRUE splverifierCounter < 4 [L658] tmp = __VERIFIER_nondet_int() [L660] COND FALSE !(\read(tmp)) [L668] tmp___0 = __VERIFIER_nondet_int() [L670] COND FALSE !(\read(tmp___0)) [L678] tmp___2 = __VERIFIER_nondet_int() [L680] COND TRUE \read(tmp___2) [L718] COND FALSE !(\read(pumpRunning)) [L725] COND TRUE \read(systemActive) [L773] int tmp ; [L776] COND FALSE !(\read(pumpRunning)) [L747] int tmp ; [L750] COND FALSE !(\read(pumpRunning)) [L923] int tmp ; [L924] int tmp___0 ; [L621] int retValue_acc ; [L624] retValue_acc = waterLevel [L625] return (retValue_acc); [L928] tmp = getWaterLevel() [L930] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...