./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec1_product05_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 94f4a1e9ea07f337cfe109f71c75c9357897e0ec ................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-2e94e6a [2019-01-01 23:31:38,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:31:38,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:31:38,180 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:31:38,181 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:31:38,182 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:31:38,183 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:31:38,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:31:38,187 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:31:38,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:31:38,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:31:38,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:31:38,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:31:38,191 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:31:38,193 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:31:38,193 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:31:38,194 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:31:38,196 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:31:38,198 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:31:38,200 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:31:38,201 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:31:38,202 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:31:38,205 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:31:38,205 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:31:38,205 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:31:38,206 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:31:38,207 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:31:38,208 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:31:38,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:31:38,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:31:38,211 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:31:38,212 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:31:38,212 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:31:38,212 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:31:38,213 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:31:38,214 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:31:38,214 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:31:38,240 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:31:38,240 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:31:38,241 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:31:38,241 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:31:38,242 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:31:38,242 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:31:38,242 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:31:38,242 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:31:38,242 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:31:38,243 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:31:38,243 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:31:38,243 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:31:38,243 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:31:38,243 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:31:38,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:31:38,244 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:31:38,244 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:31:38,244 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:31:38,244 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:31:38,244 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:31:38,244 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:31:38,245 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:31:38,245 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:31:38,245 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:31:38,245 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:31:38,245 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:31:38,246 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:31:38,246 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:31:38,246 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:31:38,246 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:31:38,246 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:31:38,247 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:31:38,247 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 -> 94f4a1e9ea07f337cfe109f71c75c9357897e0ec [2019-01-01 23:31:38,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:31:38,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:31:38,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:31:38,301 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:31:38,302 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:31:38,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2019-01-01 23:31:38,362 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1fee746/bff0268f74d24cf2af1948846e921f13/FLAG1310708d3 [2019-01-01 23:31:38,927 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:31:38,928 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2019-01-01 23:31:38,946 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1fee746/bff0268f74d24cf2af1948846e921f13/FLAG1310708d3 [2019-01-01 23:31:39,219 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c1fee746/bff0268f74d24cf2af1948846e921f13 [2019-01-01 23:31:39,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:31:39,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:31:39,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:31:39,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:31:39,237 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:31:39,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:39,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22099427 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39, skipping insertion in model container [2019-01-01 23:31:39,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:39,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:31:39,324 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:31:39,682 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:31:39,708 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:31:39,918 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:31:39,957 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:31:39,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39 WrapperNode [2019-01-01 23:31:39,958 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:31:39,959 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:31:39,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:31:39,959 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:31:39,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:39,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:31:40,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:31:40,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:31:40,038 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:31:40,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (1/1) ... [2019-01-01 23:31:40,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:31:40,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:31:40,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:31:40,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:31:40,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (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 [2019-01-01 23:31:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-01-01 23:31:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-01-01 23:31:40,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:31:40,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:31:41,281 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:31:41,282 INFO L280 CfgBuilder]: Removed 96 assue(true) statements. [2019-01-01 23:31:41,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:31:41 BoogieIcfgContainer [2019-01-01 23:31:41,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:31:41,283 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:31:41,283 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:31:41,286 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:31:41,287 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:31:41,287 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:31:39" (1/3) ... [2019-01-01 23:31:41,288 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@714e983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:31:41, skipping insertion in model container [2019-01-01 23:31:41,289 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:31:41,289 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:31:39" (2/3) ... [2019-01-01 23:31:41,289 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@714e983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:31:41, skipping insertion in model container [2019-01-01 23:31:41,289 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:31:41,290 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:31:41" (3/3) ... [2019-01-01 23:31:41,292 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product05_true-unreach-call_false-termination.cil.c [2019-01-01 23:31:41,353 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:31:41,354 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:31:41,355 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:31:41,355 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:31:41,355 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:31:41,355 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:31:41,355 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:31:41,356 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:31:41,356 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:31:41,375 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-01-01 23:31:41,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-01-01 23:31:41,408 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:31:41,408 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:31:41,416 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:31:41,417 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:31:41,417 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:31:41,417 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-01-01 23:31:41,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-01-01 23:31:41,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:31:41,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:31:41,425 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:31:41,425 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:31:41,431 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 43#L853true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 51#L861true main_#t~ret69 := valid_product_#res;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; 54#L817true assume 0 != main_~tmp~6; 40#L791true havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L714-1true [2019-01-01 23:31:41,432 INFO L796 eck$LassoCheckResult]: Loop: 28#L714-1true assume !false; 24#L286true assume test_~splverifierCounter~0 < 4; 64#L287true test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 61#L295true assume !(0 != test_~tmp~1); 60#L295-1true test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 55#L305true assume !(0 != test_~tmp___0~0); 58#L305-1true test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 35#L315true assume 0 != test_~tmp___2~0; 10#L321-2true assume !(0 != ~pumpRunning~0); 32#L139true assume !(0 != ~systemActive~0); 7#L146true havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~5, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~5;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; 56#L89-1true __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~5 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 45#L714true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5); 28#L714-1true [2019-01-01 23:31:41,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:31:41,439 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-01-01 23:31:41,441 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:31:41,442 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:31:41,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:41,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:31:41,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:42,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:42,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:31:42,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899262, now seen corresponding path program 1 times [2019-01-01 23:31:42,359 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:31:42,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:31:42,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:42,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:31:42,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:42,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:42,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:31:42,375 INFO L82 PathProgramCache]: Analyzing trace with hash 32379676, now seen corresponding path program 1 times [2019-01-01 23:31:42,375 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:31:42,376 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:31:42,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:42,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:31:42,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:31:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:31:42,575 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-01 23:31:42,576 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-01-01 23:31:42,812 WARN L181 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-01-01 23:31:42,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-01-01 23:31:42,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-01-01 23:31:42,922 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 6 states. [2019-01-01 23:31:43,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-01 23:31:43,220 INFO L93 Difference]: Finished difference Result 66 states and 88 transitions. [2019-01-01 23:31:43,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-01-01 23:31:43,223 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 88 transitions. [2019-01-01 23:31:43,231 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-01-01 23:31:43,239 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-01-01 23:31:43,240 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-01-01 23:31:43,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-01-01 23:31:43,241 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-01-01 23:31:43,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:31:43,242 INFO L705 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-01 23:31:43,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-01-01 23:31:43,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-01-01 23:31:43,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-01-01 23:31:43,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-01-01 23:31:43,292 INFO L728 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-01 23:31:43,292 INFO L608 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-01-01 23:31:43,292 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:31:43,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-01-01 23:31:43,299 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-01-01 23:31:43,299 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:31:43,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:31:43,301 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-01-01 23:31:43,301 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:31:43,301 INFO L794 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(110, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4; 165#L-1 havoc main_#res;havoc main_#t~ret69, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 166#L853 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 200#L861 main_#t~ret69 := valid_product_#res;main_~tmp~6 := main_#t~ret69;havoc main_#t~ret69; 204#L817 assume 0 != main_~tmp~6; 196#L791 havoc test_#t~nondet28, test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 184#L714-1 [2019-01-01 23:31:43,302 INFO L796 eck$LassoCheckResult]: Loop: 184#L714-1 assume !false; 180#L286 assume test_~splverifierCounter~0 < 4; 181#L287 test_~tmp~1 := test_#t~nondet28;havoc test_#t~nondet28; 207#L295 assume !(0 != test_~tmp~1); 206#L295-1 test_~tmp___0~0 := test_#t~nondet29;havoc test_#t~nondet29; 205#L305 assume !(0 != test_~tmp___0~0); 175#L305-1 test_~tmp___2~0 := test_#t~nondet30;havoc test_#t~nondet30; 192#L315 assume 0 != test_~tmp___2~0; 157#L321-2 assume !(0 != ~pumpRunning~0); 163#L139 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 170#L171 assume !(0 != ~pumpRunning~0); 151#L146 havoc __utac_acc__Specification1_spec__1_#t~ret67, __utac_acc__Specification1_spec__1_#t~ret68, __utac_acc__Specification1_spec__1_~tmp~5, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~5;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;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; 158#L89-1 __utac_acc__Specification1_spec__1_#t~ret67 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~5 := __utac_acc__Specification1_spec__1_#t~ret67;havoc __utac_acc__Specification1_spec__1_#t~ret67; 201#L714 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~5); 184#L714-1 [2019-01-01 23:31:43,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:31:43,302 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-01-01 23:31:43,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:31:43,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:31:43,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:43,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:31:43,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:43,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:31:43,634 INFO L82 PathProgramCache]: Analyzing trace with hash -619797861, now seen corresponding path program 1 times [2019-01-01 23:31:43,634 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:31:43,634 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:31:43,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:43,637 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:31:43,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:43,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:43,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:31:43,658 INFO L82 PathProgramCache]: Analyzing trace with hash 983241665, now seen corresponding path program 1 times [2019-01-01 23:31:43,658 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:31:43,658 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:31:43,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:43,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:31:43,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:31:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:31:44,228 WARN L181 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:31:44,405 WARN L181 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2019-01-01 23:32:11,241 WARN L181 SmtUtils]: Spent 26.83 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-01-01 23:32:26,539 WARN L181 SmtUtils]: Spent 15.30 s on a formula simplification that was a NOOP. DAG size: 449 [2019-01-01 23:32:26,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:32:26 BoogieIcfgContainer [2019-01-01 23:32:26,646 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:32:26,647 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:32:26,648 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:32:26,648 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:32:26,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:31:41" (3/4) ... [2019-01-01 23:32:26,654 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2019-01-01 23:32:26,750 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-01 23:32:26,751 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:32:26,752 INFO L168 Benchmark]: Toolchain (without parser) took 47526.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.1 MB). Free memory was 951.3 MB in the beginning and 994.5 MB in the end (delta: -43.2 MB). Peak memory consumption was 272.9 MB. Max. memory is 11.5 GB. [2019-01-01 23:32:26,753 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. [2019-01-01 23:32:26,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:32:26,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.87 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-01-01 23:32:26,755 INFO L168 Benchmark]: Boogie Preprocessor took 62.38 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. [2019-01-01 23:32:26,757 INFO L168 Benchmark]: RCFGBuilder took 1181.83 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2019-01-01 23:32:26,757 INFO L168 Benchmark]: BuchiAutomizer took 45363.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 71.3 MB). Peak memory consumption was 431.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:32:26,758 INFO L168 Benchmark]: Witness Printer took 103.27 ms. Allocated memory is still 1.3 GB. Free memory was 994.5 MB in the beginning and 994.5 MB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2019-01-01 23:32:26,768 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 727.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -167.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.87 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.38 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 1181.83 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 45363.99 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 182.5 MB). Free memory was 1.1 GB in the beginning and 994.5 MB in the end (delta: 71.3 MB). Peak memory consumption was 431.0 MB. Max. memory is 11.5 GB. * Witness Printer took 103.27 ms. Allocated memory is still 1.3 GB. Free memory was 994.5 MB in the beginning and 994.5 MB in the end (delta: 24 B). Peak memory consumption was 24 B. 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 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 45.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 44.7s. Construction of modules took 0.1s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 83 SDtfs, 256 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 285]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=16148} State at position 1 is {NULL=5029, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=16147, NULL=-9, NULL=0, NULL=16148, NULL=-5, NULL=0, NULL=0, NULL=-18, retValue_acc=0, NULL=-1, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2df7b2d1=0, tmp___1=0, NULL=-2, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=-13, NULL=-11, NULL=-15, NULL=-19, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=16146, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3514eb7c=0, NULL=0, \result=1, head=0, pumpRunning=0, \result=0, NULL=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10002a99=0, NULL=-6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c02e41d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44613a63=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@489263bd=0, NULL=0, tmp=0, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2488114e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12374a3b=64, retValue_acc=1, NULL=-12, NULL=-4, tmp___2=64, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=0, NULL=-7, tmp=0, NULL=-14, head=0, NULL=-8, NULL=-20, NULL=7434, NULL=0, NULL=-16, NULL=-3, NULL=7435, NULL=-17} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L131] int pumpRunning = 0; [L132] int systemActive = 1; [L509] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L857] int retValue_acc ; [L860] retValue_acc = 1 [L861] return (retValue_acc); [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L276] int splverifierCounter ; [L277] int tmp ; [L278] int tmp___0 ; [L279] int tmp___1 ; [L280] int tmp___2 ; [L283] splverifierCounter = 0 Loop: [L285] COND TRUE 1 [L287] COND TRUE splverifierCounter < 4 [L293] tmp = __VERIFIER_nondet_int() [L295] COND FALSE !(\read(tmp)) [L303] tmp___0 = __VERIFIER_nondet_int() [L305] COND FALSE !(\read(tmp___0)) [L313] tmp___2 = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp___2) [L139] COND FALSE !(\read(pumpRunning)) [L146] COND TRUE \read(systemActive) [L168] int tmp ; [L171] COND FALSE !(\read(pumpRunning)) [L707] int tmp ; [L708] int tmp___0 ; [L85] int retValue_acc ; [L88] retValue_acc = methaneLevelCritical [L89] return (retValue_acc); [L712] tmp = isMethaneLevelCritical() [L714] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...