./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f6fb2bb1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product09.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 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf .................................................................................................................................................................................................................................................................................................................................................................... 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-f6fb2bb [2019-11-19 20:03:43,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 20:03:43,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 20:03:43,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 20:03:43,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 20:03:43,399 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 20:03:43,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 20:03:43,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 20:03:43,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 20:03:43,412 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 20:03:43,413 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 20:03:43,414 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 20:03:43,414 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 20:03:43,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 20:03:43,416 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 20:03:43,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 20:03:43,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 20:03:43,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 20:03:43,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 20:03:43,423 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 20:03:43,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 20:03:43,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 20:03:43,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 20:03:43,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 20:03:43,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 20:03:43,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 20:03:43,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 20:03:43,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 20:03:43,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 20:03:43,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 20:03:43,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 20:03:43,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 20:03:43,435 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 20:03:43,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 20:03:43,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 20:03:43,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 20:03:43,437 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 20:03:43,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 20:03:43,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 20:03:43,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 20:03:43,440 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 20:03:43,440 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-19 20:03:43,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 20:03:43,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 20:03:43,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 20:03:43,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 20:03:43,459 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 20:03:43,460 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-19 20:03:43,460 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-19 20:03:43,460 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-19 20:03:43,460 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-19 20:03:43,460 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-19 20:03:43,461 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-19 20:03:43,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 20:03:43,461 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 20:03:43,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 20:03:43,462 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 20:03:43,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 20:03:43,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 20:03:43,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-19 20:03:43,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-19 20:03:43,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-19 20:03:43,463 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 20:03:43,463 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 20:03:43,463 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-19 20:03:43,464 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 20:03:43,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-19 20:03:43,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 20:03:43,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 20:03:43,464 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-19 20:03:43,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 20:03:43,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 20:03:43,465 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-19 20:03:43,466 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-19 20:03:43,466 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf [2019-11-19 20:03:43,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 20:03:43,779 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 20:03:43,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 20:03:43,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 20:03:43,786 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 20:03:43,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2019-11-19 20:03:43,859 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078b96afc/f4bd6c2c36074f91b2c94637d93f414b/FLAG8dc2b184f [2019-11-19 20:03:44,342 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 20:03:44,343 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product09.cil.c [2019-11-19 20:03:44,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078b96afc/f4bd6c2c36074f91b2c94637d93f414b/FLAG8dc2b184f [2019-11-19 20:03:44,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/078b96afc/f4bd6c2c36074f91b2c94637d93f414b [2019-11-19 20:03:44,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 20:03:44,701 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 20:03:44,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 20:03:44,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 20:03:44,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 20:03:44,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:44" (1/1) ... [2019-11-19 20:03:44,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@191da8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:44, skipping insertion in model container [2019-11-19 20:03:44,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:44" (1/1) ... [2019-11-19 20:03:44,718 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 20:03:44,761 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 20:03:45,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:03:45,192 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 20:03:45,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 20:03:45,296 INFO L192 MainTranslator]: Completed translation [2019-11-19 20:03:45,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45 WrapperNode [2019-11-19 20:03:45,297 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 20:03:45,298 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 20:03:45,298 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 20:03:45,298 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 20:03:45,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,364 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 20:03:45,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 20:03:45,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 20:03:45,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 20:03:45,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... [2019-11-19 20:03:45,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 20:03:45,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 20:03:45,402 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 20:03:45,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 20:03:45,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-19 20:03:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-19 20:03:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-19 20:03:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 20:03:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 20:03:46,172 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 20:03:46,172 INFO L285 CfgBuilder]: Removed 72 assume(true) statements. [2019-11-19 20:03:46,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:46 BoogieIcfgContainer [2019-11-19 20:03:46,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 20:03:46,174 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-19 20:03:46,174 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-19 20:03:46,178 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-19 20:03:46,180 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:46,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:03:44" (1/3) ... [2019-11-19 20:03:46,181 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f817e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:46, skipping insertion in model container [2019-11-19 20:03:46,181 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:46,182 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:45" (2/3) ... [2019-11-19 20:03:46,182 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f817e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:03:46, skipping insertion in model container [2019-11-19 20:03:46,182 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-19 20:03:46,183 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:46" (3/3) ... [2019-11-19 20:03:46,184 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product09.cil.c [2019-11-19 20:03:46,233 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-19 20:03:46,233 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-19 20:03:46,233 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-19 20:03:46,234 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 20:03:46,234 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 20:03:46,235 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-19 20:03:46,235 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 20:03:46,235 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-19 20:03:46,253 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-19 20:03:46,281 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-19 20:03:46,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:46,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:46,291 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:46,292 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:46,292 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-19 20:03:46,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states. [2019-11-19 20:03:46,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2019-11-19 20:03:46,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:46,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:46,299 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:46,299 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:46,306 INFO L794 eck$LassoCheckResult]: Stem: 20#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 4#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; 32#L407true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 56#L415true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 61#L130true assume 0 != main_~tmp~0; 15#L103true havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, 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; 13#L366-1true [2019-11-19 20:03:46,307 INFO L796 eck$LassoCheckResult]: Loop: 13#L366-1true assume !false; 9#L164true assume test_~splverifierCounter~0 < 4; 10#L165true test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 47#L173true assume !(0 != test_~tmp~1); 44#L173-1true test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 24#L183true assume !(0 != test_~tmp___0~0); 22#L183-1true test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 6#L193true assume 0 != test_~tmp___2~0; 29#L199-2true assume !(0 != ~pumpRunning~0); 36#L232true assume 0 != ~systemActive~0; 27#L239true havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 58#L829true __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 41#L360true assume 0 != __utac_acc__Specification3_spec__1_~tmp~3; 13#L366-1true [2019-11-19 20:03:46,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:46,315 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-19 20:03:46,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:46,325 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296617813] [2019-11-19 20:03:46,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:47,231 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:47,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:47,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573544, now seen corresponding path program 1 times [2019-11-19 20:03:47,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:47,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049168056] [2019-11-19 20:03:47,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:47,261 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:47,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:47,266 INFO L82 PathProgramCache]: Analyzing trace with hash 31705394, now seen corresponding path program 1 times [2019-11-19 20:03:47,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:47,267 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185941929] [2019-11-19 20:03:47,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 20:03:47,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 20:03:47,420 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185941929] [2019-11-19 20:03:47,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-19 20:03:47,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-19 20:03:47,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079923287] [2019-11-19 20:03:47,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-19 20:03:47,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-19 20:03:47,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-19 20:03:47,556 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 5 states. [2019-11-19 20:03:47,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-19 20:03:47,760 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2019-11-19 20:03:47,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-19 20:03:47,765 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2019-11-19 20:03:47,781 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2019-11-19 20:03:47,789 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2019-11-19 20:03:47,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2019-11-19 20:03:47,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2019-11-19 20:03:47,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2019-11-19 20:03:47,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-19 20:03:47,798 INFO L688 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2019-11-19 20:03:47,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2019-11-19 20:03:47,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2019-11-19 20:03:47,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2019-11-19 20:03:47,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2019-11-19 20:03:47,842 INFO L711 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-19 20:03:47,842 INFO L591 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2019-11-19 20:03:47,842 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-19 20:03:47,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2019-11-19 20:03:47,844 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2019-11-19 20:03:47,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-19 20:03:47,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-19 20:03:47,845 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-19 20:03:47,845 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-19 20:03:47,846 INFO L794 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(110, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 2 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(102, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 3 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(80, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(117, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(109, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(112, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(32, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string22.base, #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 1 + #t~string22.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(25);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(77, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(101, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(116, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(104, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string67.base, #t~string67.offset, 1);call write~init~int(82, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(73, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(84, #t~string67.base, 3 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 4 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(75, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 2 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 1 + #t~string71.offset, 1); 268#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; 269#L407 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 310#L415 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 334#L130 assume 0 != main_~tmp~0; 286#L103 havoc test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_#t~nondet4, 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; 284#L366-1 [2019-11-19 20:03:47,846 INFO L796 eck$LassoCheckResult]: Loop: 284#L366-1 assume !false; 275#L164 assume test_~splverifierCounter~0 < 4; 276#L165 test_~tmp~1 := test_#t~nondet1;havoc test_#t~nondet1; 326#L173 assume !(0 != test_~tmp~1); 267#L173-1 test_~tmp___0~0 := test_#t~nondet2;havoc test_#t~nondet2; 364#L183 assume !(0 != test_~tmp___0~0); 363#L183-1 test_~tmp___2~0 := test_#t~nondet3;havoc test_#t~nondet3; 362#L193 assume 0 != test_~tmp___2~0; 359#L199-2 assume !(0 != ~pumpRunning~0); 358#L232 assume 0 != ~systemActive~0; 300#L239 havoc __utac_acc__Specification3_spec__1_#t~ret23, __utac_acc__Specification3_spec__1_#t~ret24, __utac_acc__Specification3_spec__1_#t~ret25, __utac_acc__Specification3_spec__1_~tmp~3, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~3;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 301#L829 __utac_acc__Specification3_spec__1_#t~ret23 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~3 := __utac_acc__Specification3_spec__1_#t~ret23;havoc __utac_acc__Specification3_spec__1_#t~ret23; 317#L360 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~3);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 318#L861 __utac_acc__Specification3_spec__1_#t~ret24 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret24;havoc __utac_acc__Specification3_spec__1_#t~ret24; 319#L366 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 284#L366-1 [2019-11-19 20:03:47,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:47,847 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-19 20:03:47,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:47,847 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242380015] [2019-11-19 20:03:47,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:48,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:48,132 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:48,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:48,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2045467414, now seen corresponding path program 1 times [2019-11-19 20:03:48,133 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:48,133 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453474546] [2019-11-19 20:03:48,133 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:48,144 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:03:48,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 20:03:48,145 INFO L82 PathProgramCache]: Analyzing trace with hash 404117636, now seen corresponding path program 1 times [2019-11-19 20:03:48,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-19 20:03:48,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937201252] [2019-11-19 20:03:48,146 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-19 20:03:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:48,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-19 20:03:48,438 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-19 20:04:08,957 WARN L191 SmtUtils]: Spent 20.40 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-11-19 20:04:21,071 WARN L191 SmtUtils]: Spent 12.11 s on a formula simplification that was a NOOP. DAG size: 449 [2019-11-19 20:04:21,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:04:21 BoogieIcfgContainer [2019-11-19 20:04:21,152 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-19 20:04:21,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 20:04:21,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 20:04:21,153 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 20:04:21,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:46" (3/4) ... [2019-11-19 20:04:21,157 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-19 20:04:21,224 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 20:04:21,224 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 20:04:21,226 INFO L168 Benchmark]: Toolchain (without parser) took 36524.86 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 329.3 MB). Free memory was 961.7 MB in the beginning and 1.0 GB in the end (delta: -39.5 MB). Peak memory consumption was 289.7 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:21,227 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:04:21,228 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:21,228 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.01 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:21,229 INFO L168 Benchmark]: Boogie Preprocessor took 36.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:21,230 INFO L168 Benchmark]: RCFGBuilder took 772.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:21,231 INFO L168 Benchmark]: BuchiAutomizer took 34977.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.7 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. [2019-11-19 20:04:21,231 INFO L168 Benchmark]: Witness Printer took 71.82 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 20:04:21,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -164.9 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.01 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: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 772.33 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34977.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.7 MB). Peak memory consumption was 410.1 MB. Max. memory is 11.5 GB. * Witness Printer took 71.82 ms. Allocated memory is still 1.4 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 34.5s. Construction of modules took 0.0s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s 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: 163]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=4925} State at position 1 is {NULL=0, NULL=0, NULL=-17, NULL=-2, NULL=0, retValue_acc=0, NULL=0, NULL=4925, NULL=-5, NULL=-14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@518dbfe3=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@81c90dc=55, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f550da7=0, NULL=-19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f393d12=0, NULL=-22, methaneLevelCritical=0, NULL=-7, NULL=0, NULL=0, NULL=0, tmp___1=0, NULL=0, NULL=-18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6447addd=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37eaceb4=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a5076a3=0, NULL=-11, NULL=-24, tmp=0, NULL=-13, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, NULL=4924, \result=1, NULL=0, NULL=-6, NULL=0, retValue_acc=0, NULL=0, NULL=-23, NULL=0, NULL=-1, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=-20, head=0, pumpRunning=0, tmp=1, NULL=-12, NULL=-3, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@214ff472=0, NULL=0, NULL=0, NULL=-16, retValue_acc=1, NULL=-8, NULL=-10, NULL=0, retValue_acc=1, tmp___2=55, splverifierCounter=0, NULL=0, \result=0, NULL=-15, tmp___1=0, head=0, NULL=0, NULL=-4, NULL=0, NULL=-9, NULL=0, NULL=-21} - 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; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 Loop: [L163] COND TRUE 1 [L165] COND TRUE splverifierCounter < 4 [L171] tmp = __VERIFIER_nondet_int() [L173] COND FALSE !(\read(tmp)) [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) [L232] COND FALSE !(\read(pumpRunning)) [L239] COND TRUE \read(systemActive) [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); [L364] tmp___0 = getWaterLevel() [L366] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...