./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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_product06.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 b261f373c94d4201e773fd055c7f1efffffc1032 ........................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-f470102 [2019-11-28 21:08:22,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 21:08:22,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 21:08:22,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 21:08:22,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 21:08:22,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 21:08:22,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 21:08:22,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 21:08:22,321 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 21:08:22,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 21:08:22,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 21:08:22,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 21:08:22,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 21:08:22,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 21:08:22,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 21:08:22,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 21:08:22,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 21:08:22,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 21:08:22,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 21:08:22,348 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 21:08:22,351 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 21:08:22,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 21:08:22,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 21:08:22,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 21:08:22,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 21:08:22,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 21:08:22,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 21:08:22,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 21:08:22,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 21:08:22,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 21:08:22,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 21:08:22,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 21:08:22,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 21:08:22,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 21:08:22,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 21:08:22,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 21:08:22,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 21:08:22,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 21:08:22,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 21:08:22,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 21:08:22,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 21:08:22,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 21:08:22,410 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 21:08:22,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 21:08:22,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 21:08:22,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 21:08:22,413 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 21:08:22,414 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 21:08:22,414 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 21:08:22,414 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 21:08:22,414 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 21:08:22,415 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 21:08:22,416 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 21:08:22,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 21:08:22,417 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 21:08:22,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 21:08:22,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 21:08:22,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 21:08:22,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 21:08:22,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 21:08:22,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 21:08:22,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 21:08:22,419 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 21:08:22,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 21:08:22,419 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 21:08:22,419 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 21:08:22,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 21:08:22,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 21:08:22,420 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 21:08:22,420 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 21:08:22,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 21:08:22,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 21:08:22,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 21:08:22,421 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 21:08:22,422 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 21:08:22,423 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 -> b261f373c94d4201e773fd055c7f1efffffc1032 [2019-11-28 21:08:22,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 21:08:22,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 21:08:22,743 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 21:08:22,744 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 21:08:22,745 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 21:08:22,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-11-28 21:08:22,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa81395b/9f30a92c1c154a4eb6c7a7c8243225d9/FLAGb902b5244 [2019-11-28 21:08:23,346 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 21:08:23,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product06.cil.c [2019-11-28 21:08:23,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa81395b/9f30a92c1c154a4eb6c7a7c8243225d9/FLAGb902b5244 [2019-11-28 21:08:23,650 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/efa81395b/9f30a92c1c154a4eb6c7a7c8243225d9 [2019-11-28 21:08:23,654 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 21:08:23,655 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 21:08:23,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 21:08:23,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 21:08:23,660 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 21:08:23,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:08:23" (1/1) ... [2019-11-28 21:08:23,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c880e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:23, skipping insertion in model container [2019-11-28 21:08:23,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 09:08:23" (1/1) ... [2019-11-28 21:08:23,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 21:08:23,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 21:08:24,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:08:24,147 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 21:08:24,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 21:08:24,304 INFO L208 MainTranslator]: Completed translation [2019-11-28 21:08:24,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24 WrapperNode [2019-11-28 21:08:24,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 21:08:24,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 21:08:24,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 21:08:24,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 21:08:24,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 21:08:24,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 21:08:24,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 21:08:24,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 21:08:24,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (1/1) ... [2019-11-28 21:08:24,417 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 21:08:24,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 21:08:24,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 21:08:24,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 21:08:24,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (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 21:08:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 21:08:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 21:08:24,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 21:08:24,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 21:08:25,191 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 21:08:25,192 INFO L287 CfgBuilder]: Removed 98 assume(true) statements. [2019-11-28 21:08:25,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:25 BoogieIcfgContainer [2019-11-28 21:08:25,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 21:08:25,194 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 21:08:25,194 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 21:08:25,198 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 21:08:25,199 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:25,200 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 09:08:23" (1/3) ... [2019-11-28 21:08:25,201 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be00bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:08:25, skipping insertion in model container [2019-11-28 21:08:25,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:25,201 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 09:08:24" (2/3) ... [2019-11-28 21:08:25,202 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be00bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 09:08:25, skipping insertion in model container [2019-11-28 21:08:25,202 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 21:08:25,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:25" (3/3) ... [2019-11-28 21:08:25,204 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2019-11-28 21:08:25,253 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 21:08:25,253 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 21:08:25,254 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 21:08:25,254 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 21:08:25,254 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 21:08:25,254 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 21:08:25,255 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 21:08:25,255 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 21:08:25,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-28 21:08:25,296 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 21:08:25,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:25,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:25,306 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:25,307 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:25,307 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 21:08:25,307 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 66 states. [2019-11-28 21:08:25,312 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2019-11-28 21:08:25,313 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:25,313 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:25,314 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:25,314 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:25,320 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 10#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; 5#L855true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 23#L863true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 66#L130true assume 0 != main_~tmp~0; 18#L103true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 32#L238-1true [2019-11-28 21:08:25,321 INFO L796 eck$LassoCheckResult]: Loop: 32#L238-1true assume !false; 47#L411true assume test_~splverifierCounter~0 < 4; 65#L412true test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 3#L420true assume !(0 != test_~tmp~3); 4#L420-1true test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 50#L430true assume !(0 != test_~tmp___0~1); 52#L430-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 35#L440true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 42#L448-2true assume !(0 != ~pumpRunning~0); 11#L266true assume !(0 != ~systemActive~0); 53#L273true havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 25#L223true __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 33#L238true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 32#L238-1true [2019-11-28 21:08:25,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:25,328 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 21:08:25,338 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:25,338 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443485836] [2019-11-28 21:08:25,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:25,748 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:25,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:25,750 INFO L82 PathProgramCache]: Analyzing trace with hash -1680944957, now seen corresponding path program 1 times [2019-11-28 21:08:25,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:25,751 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695492131] [2019-11-28 21:08:25,751 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 21:08:25,808 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 21:08:25,808 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695492131] [2019-11-28 21:08:25,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 21:08:25,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 21:08:25,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332391439] [2019-11-28 21:08:25,816 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-28 21:08:25,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 21:08:25,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 21:08:25,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 21:08:25,836 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 3 states. [2019-11-28 21:08:25,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 21:08:25,882 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2019-11-28 21:08:25,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 21:08:25,885 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 89 transitions. [2019-11-28 21:08:25,889 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-28 21:08:25,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 59 states and 81 transitions. [2019-11-28 21:08:25,896 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2019-11-28 21:08:25,896 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2019-11-28 21:08:25,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2019-11-28 21:08:25,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 21:08:25,898 INFO L688 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 21:08:25,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2019-11-28 21:08:25,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2019-11-28 21:08:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2019-11-28 21:08:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2019-11-28 21:08:25,929 INFO L711 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 21:08:25,929 INFO L591 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2019-11-28 21:08:25,929 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 21:08:25,929 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2019-11-28 21:08:25,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2019-11-28 21:08:25,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 21:08:25,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 21:08:25,932 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 21:08:25,932 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 21:08:25,933 INFO L794 eck$LassoCheckResult]: Stem: 176#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string2.base, #t~string2.offset := #Ultimate.allocOnStack(13);call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(75, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(13);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string22.base, #t~string22.offset, 1);call write~init~int(80, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(117, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(109, #t~string22.base, 3 + #t~string22.offset, 1);call write~init~int(112, #t~string22.base, 4 + #t~string22.offset, 1);call write~init~int(58, #t~string22.base, 5 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 6 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(110, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 2 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(102, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 3 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string28.base, #t~string28.offset, 1);call write~init~int(32, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string30.base, #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 1 + #t~string30.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 155#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; 145#L855 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 146#L863 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 172#L130 assume 0 != main_~tmp~0; 164#L103 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 165#L238-1 [2019-11-28 21:08:25,933 INFO L796 eck$LassoCheckResult]: Loop: 165#L238-1 assume !false; 179#L411 assume test_~splverifierCounter~0 < 4; 193#L412 test_~tmp~3 := test_#t~nondet31;havoc test_#t~nondet31; 141#L420 assume !(0 != test_~tmp~3); 143#L420-1 test_~tmp___0~1 := test_#t~nondet32;havoc test_#t~nondet32; 144#L430 assume !(0 != test_~tmp___0~1); 195#L430-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 180#L440 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 181#L448-2 assume !(0 != ~pumpRunning~0); 156#L266 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret13, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 157#L298 assume !(0 != ~pumpRunning~0); 197#L273 havoc __utac_acc__Specification4_spec__1_#t~ret11, __utac_acc__Specification4_spec__1_#t~ret12, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 174#L223 __utac_acc__Specification4_spec__1_#t~ret11 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret11;havoc __utac_acc__Specification4_spec__1_#t~ret11; 175#L238 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 165#L238-1 [2019-11-28 21:08:25,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:25,934 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 21:08:25,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:25,934 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733617663] [2019-11-28 21:08:25,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:26,058 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:26,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:26,059 INFO L82 PathProgramCache]: Analyzing trace with hash -590214405, now seen corresponding path program 1 times [2019-11-28 21:08:26,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:26,060 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42738612] [2019-11-28 21:08:26,060 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:26,074 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 21:08:26,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1012825121, now seen corresponding path program 1 times [2019-11-28 21:08:26,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 21:08:26,075 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377385066] [2019-11-28 21:08:26,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 21:08:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 21:08:26,182 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 21:08:50,429 WARN L192 SmtUtils]: Spent 24.11 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 21:09:04,392 WARN L192 SmtUtils]: Spent 13.96 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 21:09:04,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 09:09:04 BoogieIcfgContainer [2019-11-28 21:09:04,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 21:09:04,495 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 21:09:04,496 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 21:09:04,497 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 21:09:04,497 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 09:08:25" (3/4) ... [2019-11-28 21:09:04,501 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 21:09:04,568 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 21:09:04,568 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 21:09:04,576 INFO L168 Benchmark]: Toolchain (without parser) took 40916.21 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 318.2 MB). Free memory was 951.0 MB in the beginning and 1.3 GB in the end (delta: -349.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:09:04,577 INFO L168 Benchmark]: CDTParser took 0.63 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 21:09:04,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:04,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.78 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 21:09:04,579 INFO L168 Benchmark]: Boogie Preprocessor took 43.26 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 21:09:04,582 INFO L168 Benchmark]: RCFGBuilder took 775.30 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:04,583 INFO L168 Benchmark]: BuchiAutomizer took 39300.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.7 MB). Peak memory consumption was 378.7 MB. Max. memory is 11.5 GB. [2019-11-28 21:09:04,585 INFO L168 Benchmark]: Witness Printer took 74.38 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 21:09:04,591 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 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 650.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.26 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 775.30 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: 43.8 MB). Peak memory consumption was 43.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 39300.64 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 161.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.7 MB). Peak memory consumption was 378.7 MB. Max. memory is 11.5 GB. * Witness Printer took 74.38 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 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 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 39.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 39.0s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 86 SDslu, 0 SDs, 0 SdLazy, 3 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: 410]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=7, NULL=19, NULL=0, retValue_acc=0, NULL=1, NULL=22, NULL=11, NULL=18, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751c3b4c=0, NULL=28, tmp=0, NULL=0, NULL=0, NULL=0, NULL=24, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=12, tmp___0=0, NULL=23, cleanupTimeShifts=4, NULL=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ee91942=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ac18e5b=74, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=20, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=8, \result=1, NULL=17, head=0, pumpRunning=0, tmp=1, NULL=16, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e28b3f4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28b4b7e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3192b3da=0, NULL=27, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3928f980=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@78ca6545=0, NULL=29, retValue_acc=1, NULL=4, tmp=1, tmp___2=74, NULL=6, tmp___0=0, NULL=13, splverifierCounter=0, NULL=14, tmp=0, head=0, NULL=0, NULL=0, NULL=26, NULL=0, NULL=0, NULL=15, NULL=0, NULL=10, NULL=25, NULL=5} - 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; [L148] int waterLevel = 1; [L149] int methaneLevelCritical = 0; [L259] int pumpRunning = 0; [L260] int systemActive = 1; [L636] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L401] int splverifierCounter ; [L402] int tmp ; [L403] int tmp___0 ; [L404] int tmp___1 ; [L405] int tmp___2 ; [L408] splverifierCounter = 0 Loop: [L410] COND TRUE 1 [L412] COND TRUE splverifierCounter < 4 [L418] tmp = __VERIFIER_nondet_int() [L420] COND FALSE !(\read(tmp)) [L428] tmp___0 = __VERIFIER_nondet_int() [L430] COND FALSE !(\read(tmp___0)) [L438] tmp___2 = __VERIFIER_nondet_int() [L440] COND TRUE \read(tmp___2) [L395] systemActive = 1 [L266] COND FALSE !(\read(pumpRunning)) [L273] COND TRUE \read(systemActive) [L295] int tmp ; [L298] COND FALSE !(\read(pumpRunning)) [L231] int tmp ; [L232] int tmp___0 ; [L219] int retValue_acc ; [L222] retValue_acc = waterLevel [L223] return (retValue_acc); [L236] tmp = getWaterLevel() [L238] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...