./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec4_product08.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 f0335c6392c59c467837b14da92286fa43b99dfc .......................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:35:57,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:35:57,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:35:57,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:35:57,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:35:57,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:35:57,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:35:57,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:35:57,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:35:57,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:35:57,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:35:57,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:35:57,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:35:57,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:35:57,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:35:57,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:35:57,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:35:57,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:35:57,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:35:57,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:35:57,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:35:57,309 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:35:57,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:35:57,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:35:57,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:35:57,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:35:57,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:35:57,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:35:57,320 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:35:57,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:35:57,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:35:57,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:35:57,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:35:57,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:35:57,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:35:57,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:35:57,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:35:57,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:35:57,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:35:57,334 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:35:57,336 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:35:57,337 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:35:57,353 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:35:57,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:35:57,355 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:35:57,355 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:35:57,355 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:35:57,356 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:35:57,356 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:35:57,356 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:35:57,356 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:35:57,356 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:35:57,357 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:35:57,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:35:57,357 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:35:57,357 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:35:57,357 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:35:57,358 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:35:57,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:35:57,358 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:35:57,358 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:35:57,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:35:57,359 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:35:57,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:35:57,359 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:35:57,359 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:35:57,360 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:35:57,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:35:57,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:35:57,360 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:35:57,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:35:57,361 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:35:57,361 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:35:57,362 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:35:57,362 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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-11-28 03:35:57,659 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:35:57,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:35:57,678 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:35:57,680 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:35:57,680 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:35:57,681 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-28 03:35:57,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572cca1cb/7975e911700a4b36a2574c0bfc763b6f/FLAG094f2a00f [2019-11-28 03:35:58,309 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:35:58,310 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-28 03:35:58,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572cca1cb/7975e911700a4b36a2574c0bfc763b6f/FLAG094f2a00f [2019-11-28 03:35:58,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/572cca1cb/7975e911700a4b36a2574c0bfc763b6f [2019-11-28 03:35:58,632 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:35:58,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:35:58,635 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:35:58,635 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:35:58,639 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:35:58,640 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:58" (1/1) ... [2019-11-28 03:35:58,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ce65fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:58, skipping insertion in model container [2019-11-28 03:35:58,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:35:58" (1/1) ... [2019-11-28 03:35:58,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:35:58,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:35:59,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:35:59,129 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:35:59,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:35:59,253 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:35:59,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59 WrapperNode [2019-11-28 03:35:59,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:35:59,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:35:59,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:35:59,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:35:59,264 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,335 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:35:59,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:35:59,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:35:59,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:35:59,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,349 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,369 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... [2019-11-28 03:35:59,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:35:59,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:35:59,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:35:59,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:35:59,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:35:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 03:35:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 03:35:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:35:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:36:00,225 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:36:00,225 INFO L297 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-28 03:36:00,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:00 BoogieIcfgContainer [2019-11-28 03:36:00,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:36:00,227 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:36:00,228 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:36:00,232 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:36:00,233 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:36:00,233 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:35:58" (1/3) ... [2019-11-28 03:36:00,234 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0a20f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:36:00, skipping insertion in model container [2019-11-28 03:36:00,235 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:36:00,235 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:35:59" (2/3) ... [2019-11-28 03:36:00,235 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e0a20f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:36:00, skipping insertion in model container [2019-11-28 03:36:00,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:36:00,236 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:00" (3/3) ... [2019-11-28 03:36:00,238 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-11-28 03:36:00,282 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:36:00,283 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:36:00,283 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:36:00,283 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:36:00,284 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:36:00,284 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:36:00,284 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:36:00,284 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:36:00,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-11-28 03:36:00,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:36:00,347 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:36:00,347 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:36:00,357 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:36:00,357 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:36:00,357 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:36:00,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-11-28 03:36:00,374 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-28 03:36:00,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:36:00,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:36:00,376 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:36:00,376 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:36:00,391 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 9#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 38#L151true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 57#L159true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 29#L249true assume 0 != main_~tmp~0; 62#L225true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 58#L639-1true [2019-11-28 03:36:00,392 INFO L796 eck$LassoCheckResult]: Loop: 58#L639-1true assume !false; 39#L828true assume test_~splverifierCounter~0 < 4; 60#L829true test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 17#L837true assume !(0 != test_~tmp~6); 3#L837-1true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 70#L847true assume !(0 != test_~tmp___0~1); 49#L847-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 31#L857true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 54#L865-1true assume !(0 != ~pumpRunning~0); 64#L668true assume !(0 != ~systemActive~0); 50#L675true havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 30#L121true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 7#L639true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 58#L639-1true [2019-11-28 03:36:00,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:00,400 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 03:36:00,411 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:00,411 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329395812] [2019-11-28 03:36:00,412 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:00,843 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:00,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:00,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2019-11-28 03:36:00,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:00,845 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32404141] [2019-11-28 03:36:00,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:36:00,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:36:00,896 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32404141] [2019-11-28 03:36:00,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 03:36:00,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 03:36:00,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629440531] [2019-11-28 03:36:00,903 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 03:36:00,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 03:36:00,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 03:36:00,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 03:36:00,920 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2019-11-28 03:36:01,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 03:36:01,014 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2019-11-28 03:36:01,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 03:36:01,016 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2019-11-28 03:36:01,021 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2019-11-28 03:36:01,027 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2019-11-28 03:36:01,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-11-28 03:36:01,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-11-28 03:36:01,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2019-11-28 03:36:01,033 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:36:01,033 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-11-28 03:36:01,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2019-11-28 03:36:01,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-28 03:36:01,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-28 03:36:01,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2019-11-28 03:36:01,068 INFO L711 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-28 03:36:01,068 INFO L591 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-28 03:36:01,068 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:36:01,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2019-11-28 03:36:01,071 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-11-28 03:36:01,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:36:01,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:36:01,072 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 03:36:01,072 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:36:01,072 INFO L794 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;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);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 219#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 220#L151 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 258#L159 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 245#L249 assume 0 != main_~tmp~0; 246#L225 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 210#L639-1 [2019-11-28 03:36:01,072 INFO L796 eck$LassoCheckResult]: Loop: 210#L639-1 assume !false; 259#L828 assume test_~splverifierCounter~0 < 4; 260#L829 test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 227#L837 assume !(0 != test_~tmp~6); 207#L837-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 208#L847 assume !(0 != test_~tmp___0~1); 224#L847-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 248#L857 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L865-1 assume !(0 != ~pumpRunning~0); 236#L668 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 261#L700 assume !(0 != ~pumpRunning~0); 263#L675 havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 247#L121 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 215#L639 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 210#L639-1 [2019-11-28 03:36:01,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:01,073 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 03:36:01,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:01,074 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313575760] [2019-11-28 03:36:01,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:01,253 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:01,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:01,254 INFO L82 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2019-11-28 03:36:01,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:01,255 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209111125] [2019-11-28 03:36:01,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:01,285 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:36:01,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2019-11-28 03:36:01,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:36:01,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554131766] [2019-11-28 03:36:01,288 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:36:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:36:01,393 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:36:29,628 WARN L192 SmtUtils]: Spent 28.09 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 03:36:43,376 WARN L192 SmtUtils]: Spent 13.74 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 03:36:43,451 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:36:43 BoogieIcfgContainer [2019-11-28 03:36:43,452 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:36:43,452 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:36:43,452 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:36:43,453 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:36:43,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:36:00" (3/4) ... [2019-11-28 03:36:43,459 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 03:36:43,531 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 03:36:43,531 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:36:43,533 INFO L168 Benchmark]: Toolchain (without parser) took 44899.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 302.0 MB). Free memory was 956.3 MB in the beginning and 1.2 GB in the end (delta: -283.4 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:43,534 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:36:43,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:43,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.67 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. [2019-11-28 03:36:43,536 INFO L168 Benchmark]: Boogie Preprocessor took 37.59 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. [2019-11-28 03:36:43,536 INFO L168 Benchmark]: RCFGBuilder took 853.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:43,537 INFO L168 Benchmark]: BuchiAutomizer took 43224.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -185.0 MB). Peak memory consumption was 367.2 MB. Max. memory is 11.5 GB. [2019-11-28 03:36:43,538 INFO L168 Benchmark]: Witness Printer took 78.94 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:36:43,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 619.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 956.3 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.67 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. * Boogie Preprocessor took 37.59 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 853.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.1 MB). Peak memory consumption was 57.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43224.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 160.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -185.0 MB). Peak memory consumption was 367.2 MB. Max. memory is 11.5 GB. * Witness Printer took 78.94 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 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 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 42.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 827]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=3262} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=3263, NULL=3262, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=3272, NULL=0, NULL=0, NULL=0, NULL=3271, NULL=3278, methaneLevelCritical=0, NULL=3273, NULL=3267, tmp=0, NULL=0, tmp___1=0, tmp___0=0, NULL=3264, cleanupTimeShifts=4, NULL=3269, NULL=3270, NULL=3266, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77e5ec6b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36e79100=0, NULL=3282, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19a05d90=0, NULL=3268, NULL=0, NULL=0, NULL=3284, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=3281, NULL=3285, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b94feb5=65, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b183bbd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7375e9d3=0, NULL=0, NULL=3275, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25c797b7=0, tmp=1, NULL=3283, tmp___2=65, NULL=3274, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5046c8b0=0, NULL=3276, head=0, tmp=0, NULL=3287, NULL=0, NULL=3286, NULL=0, NULL=3279, NULL=3265, NULL=3277, NULL=3280} - 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; [L164] int cleanupTimeShifts = 4; [L432] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L661] int pumpRunning = 0; [L662] int systemActive = 1; [L240] int retValue_acc ; [L241] int tmp ; [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); [L247] tmp = valid_product() [L249] COND TRUE \read(tmp) [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L812] systemActive = 1 [L668] COND FALSE !(\read(pumpRunning)) [L675] COND TRUE \read(systemActive) [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L632] int tmp ; [L633] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L637] tmp = getWaterLevel() [L639] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...