./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_spec1_product31.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 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 ................................................................................................................................................................................................................................................................................................................................................................... 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 20:58:48,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:58:48,139 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:58:48,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:58:48,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:58:48,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:58:48,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:58:48,168 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:58:48,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:58:48,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:58:48,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:58:48,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:58:48,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:58:48,182 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:58:48,184 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:58:48,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:58:48,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:58:48,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:58:48,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:58:48,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:58:48,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:58:48,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:58:48,203 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:58:48,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:58:48,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:58:48,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:58:48,210 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:58:48,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:58:48,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:58:48,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:58:48,214 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:58:48,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:58:48,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:58:48,216 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:58:48,217 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:58:48,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:58:48,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:58:48,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:58:48,219 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:58:48,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:58:48,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:58:48,222 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:58:48,257 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:58:48,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:58:48,262 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:58:48,262 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:58:48,262 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:58:48,262 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:58:48,267 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:58:48,267 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:58:48,267 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:58:48,267 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:58:48,268 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:58:48,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:58:48,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:58:48,268 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:58:48,268 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:58:48,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:58:48,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:58:48,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:58:48,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:58:48,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:58:48,271 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:58:48,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:58:48,271 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:58:48,272 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:58:48,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:58:48,272 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:58:48,272 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:58:48,273 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:58:48,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:58:48,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:58:48,273 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:58:48,273 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:58:48,274 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:58:48,275 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 -> 9cf62d4c0c6e8aa9cf08ea2220574cd117ecc0d5 [2019-11-28 20:58:48,601 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:58:48,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:58:48,625 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:58:48,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:58:48,627 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:58:48,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-11-28 20:58:48,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86cf43c6/4514891f3fcf445092434262c9497945/FLAGd6152bc23 [2019-11-28 20:58:49,168 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:58:49,168 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2019-11-28 20:58:49,185 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86cf43c6/4514891f3fcf445092434262c9497945/FLAGd6152bc23 [2019-11-28 20:58:49,506 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c86cf43c6/4514891f3fcf445092434262c9497945 [2019-11-28 20:58:49,510 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:58:49,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:58:49,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:58:49,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:58:49,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:58:49,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:58:49" (1/1) ... [2019-11-28 20:58:49,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564c4a0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:49, skipping insertion in model container [2019-11-28 20:58:49,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:58:49" (1/1) ... [2019-11-28 20:58:49,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:58:49,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:58:50,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:58:50,060 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:58:50,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:58:50,213 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:58:50,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50 WrapperNode [2019-11-28 20:58:50,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:58:50,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:58:50,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:58:50,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:58:50,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:58:50,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:58:50,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:58:50,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:58:50,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,316 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (1/1) ... [2019-11-28 20:58:50,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:58:50,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:58:50,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:58:50,352 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:58:50,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (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 20:58:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:58:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-28 20:58:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:58:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:58:51,302 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:58:51,303 INFO L287 CfgBuilder]: Removed 160 assume(true) statements. [2019-11-28 20:58:51,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:51 BoogieIcfgContainer [2019-11-28 20:58:51,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:58:51,306 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:58:51,307 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:58:51,310 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:58:51,311 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:51,311 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:58:49" (1/3) ... [2019-11-28 20:58:51,313 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e287137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:58:51, skipping insertion in model container [2019-11-28 20:58:51,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:51,313 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:58:50" (2/3) ... [2019-11-28 20:58:51,314 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e287137 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:58:51, skipping insertion in model container [2019-11-28 20:58:51,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:58:51,314 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:51" (3/3) ... [2019-11-28 20:58:51,317 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2019-11-28 20:58:51,363 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:58:51,363 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:58:51,363 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:58:51,363 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:58:51,364 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:58:51,364 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:58:51,364 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:58:51,364 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:58:51,382 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 20:58:51,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 20:58:51,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:51,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:51,416 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,416 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,416 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:58:51,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2019-11-28 20:58:51,423 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2019-11-28 20:58:51,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:51,424 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:51,425 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,425 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:51,431 INFO L794 eck$LassoCheckResult]: Stem: 82#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~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; 8#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; 35#L260true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 48#L268true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 61#L130true assume 0 != main_~tmp~0; 23#L103true havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 83#L283-1true [2019-11-28 20:58:51,431 INFO L796 eck$LassoCheckResult]: Loop: 83#L283-1true assume !false; 95#L525true assume test_~splverifierCounter~0 < 4; 63#L526true test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 79#L534true assume !(0 != test_~tmp~6); 81#L534-1true test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 5#L544true assume !(0 != test_~tmp___0~2); 7#L544-1true test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 57#L554true assume 0 != test_~tmp___2~0; 36#L560-1true assume !(0 != ~pumpRunning~0); 76#L311true assume !(0 != ~systemActive~0); 12#L318true havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 102#L192-1true __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 84#L283true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 83#L283-1true [2019-11-28 20:58:51,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:51,438 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-28 20:58:51,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:51,448 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325881872] [2019-11-28 20:58:51,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:51,874 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:51,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:51,876 INFO L82 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2019-11-28 20:58:51,876 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:51,877 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731956517] [2019-11-28 20:58:51,877 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:51,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:51,901 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:51,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:51,904 INFO L82 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2019-11-28 20:58:51,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:51,907 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864038087] [2019-11-28 20:58:51,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:58:52,073 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 20:58:52,074 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864038087] [2019-11-28 20:58:52,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:58:52,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-28 20:58:52,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937142790] [2019-11-28 20:58:52,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:58:52,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-28 20:58:52,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-28 20:58:52,217 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 6 states. [2019-11-28 20:58:52,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:58:52,445 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2019-11-28 20:58:52,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-28 20:58:52,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2019-11-28 20:58:52,463 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2019-11-28 20:58:52,476 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2019-11-28 20:58:52,477 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2019-11-28 20:58:52,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2019-11-28 20:58:52,480 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2019-11-28 20:58:52,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:58:52,483 INFO L688 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2019-11-28 20:58:52,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2019-11-28 20:58:52,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2019-11-28 20:58:52,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2019-11-28 20:58:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2019-11-28 20:58:52,544 INFO L711 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 20:58:52,544 INFO L591 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2019-11-28 20:58:52,544 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:58:52,544 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2019-11-28 20:58:52,551 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2019-11-28 20:58:52,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:58:52,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:58:52,552 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:58:52,552 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-28 20:58:52,553 INFO L794 eck$LassoCheckResult]: Stem: 463#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~string19.base, #t~string19.offset := #Ultimate.allocOnStack(13);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string25.base, #t~string25.offset, 1);call write~init~int(80, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(117, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(109, #t~string25.base, 3 + #t~string25.offset, 1);call write~init~int(112, #t~string25.base, 4 + #t~string25.offset, 1);call write~init~int(58, #t~string25.base, 5 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 6 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string27.base, #t~string27.offset, 1);call write~init~int(110, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 2 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(102, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 3 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string31.base, #t~string31.offset, 1);call write~init~int(32, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 2 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string33.base, #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 1 + #t~string33.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(30);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(9);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(30);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(9);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(25);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.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; 386#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; 387#L260 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 424#L268 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 439#L130 assume 0 != main_~tmp~0; 405#L103 havoc test_#t~nondet35, test_#t~nondet36, test_#t~nondet37, test_#t~nondet38, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 406#L283-1 [2019-11-28 20:58:52,553 INFO L796 eck$LassoCheckResult]: Loop: 406#L283-1 assume !false; 464#L525 assume test_~splverifierCounter~0 < 4; 449#L526 test_~tmp~6 := test_#t~nondet35;havoc test_#t~nondet35; 450#L534 assume !(0 != test_~tmp~6); 461#L534-1 test_~tmp___0~2 := test_#t~nondet36;havoc test_#t~nondet36; 379#L544 assume !(0 != test_~tmp___0~2); 380#L544-1 test_~tmp___2~0 := test_#t~nondet37;havoc test_#t~nondet37; 385#L554 assume 0 != test_~tmp___2~0; 423#L560-1 assume !(0 != ~pumpRunning~0); 426#L311 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret15, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 452#L369 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret14, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 377#L343-1 assume !(0 != ~pumpRunning~0); 375#L318 havoc __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_#t~ret13, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 391#L192-1 __utac_acc__Specification1_spec__1_#t~ret12 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret12;havoc __utac_acc__Specification1_spec__1_#t~ret12; 465#L283 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 406#L283-1 [2019-11-28 20:58:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,554 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-28 20:58:52,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520282540] [2019-11-28 20:58:52,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,658 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:52,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2019-11-28 20:58:52,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [72461731] [2019-11-28 20:58:52,660 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,672 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:58:52,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:58:52,673 INFO L82 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2019-11-28 20:58:52,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:58:52,674 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804741078] [2019-11-28 20:58:52,674 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:58:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:58:52,759 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:59:16,155 WARN L192 SmtUtils]: Spent 23.31 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-28 20:59:27,048 WARN L192 SmtUtils]: Spent 10.89 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-28 20:59:27,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:59:27 BoogieIcfgContainer [2019-11-28 20:59:27,131 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:59:27,132 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:59:27,132 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:59:27,132 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:59:27,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:58:51" (3/4) ... [2019-11-28 20:59:27,136 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:59:27,190 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:59:27,191 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:59:27,193 INFO L168 Benchmark]: Toolchain (without parser) took 37681.31 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 301.5 MB). Free memory was 961.7 MB in the beginning and 1.2 GB in the end (delta: -275.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:27,193 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:59:27,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:27,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.84 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 20:59:27,195 INFO L168 Benchmark]: Boogie Preprocessor took 69.75 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 20:59:27,196 INFO L168 Benchmark]: RCFGBuilder took 952.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:27,197 INFO L168 Benchmark]: BuchiAutomizer took 35824.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 373.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:27,197 INFO L168 Benchmark]: Witness Printer took 59.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:59:27,201 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 701.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -143.3 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.84 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 69.75 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 952.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.4 MB). Peak memory consumption was 58.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 35824.85 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 166.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -200.2 MB). Peak memory consumption was 373.7 MB. Max. memory is 11.5 GB. * Witness Printer took 59.35 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 35.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 524]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=7039} State at position 1 is {retValue_acc=0, NULL=0, NULL=0, NULL=7049, retValue_acc=0, NULL=7039, NULL=7048, NULL=0, NULL=0, methaneLevelCritical=0, NULL=7063, NULL=0, NULL=0, NULL=7065, tmp=0, NULL=0, NULL=7051, NULL=0, NULL=7058, tmp___1=0, NULL=7064, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@416f6507=0, NULL=7052, NULL=0, NULL=0, NULL=0, NULL=0, tmp___0=0, cleanupTimeShifts=4, NULL=7061, NULL=7055, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36b51a0b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@94cf84e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ace3562=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22469a09=70, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b552e3a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a0c59c0=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=7044, NULL=7047, NULL=0, NULL=7046, NULL=0, NULL=0, NULL=7043, \result=1, head=0, pumpRunning=0, tmp=1, NULL=7041, \result=0, NULL=7053, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@746e56b5=0, NULL=0, NULL=7054, NULL=0, NULL=0, tmp=0, retValue_acc=1, NULL=7059, NULL=7042, NULL=0, tmp___2=70, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=7045, NULL=7050, NULL=7040, tmp=0, head=0, NULL=7057, NULL=7056, NULL=0, NULL=7062, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12cebc1f=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L149] int waterLevel = 1; [L150] int methaneLevelCritical = 0; [L304] int pumpRunning = 0; [L305] int systemActive = 1; [L759] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L515] int splverifierCounter ; [L516] int tmp ; [L517] int tmp___0 ; [L518] int tmp___1 ; [L519] int tmp___2 ; [L522] splverifierCounter = 0 Loop: [L524] COND TRUE 1 [L526] COND TRUE splverifierCounter < 4 [L532] tmp = __VERIFIER_nondet_int() [L534] COND FALSE !(\read(tmp)) [L542] tmp___0 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___0)) [L552] tmp___2 = __VERIFIER_nondet_int() [L554] COND TRUE \read(tmp___2) [L311] COND FALSE !(\read(pumpRunning)) [L318] COND TRUE \read(systemActive) [L366] int tmp ; [L369] COND FALSE !(\read(pumpRunning)) [L340] int tmp ; [L343] COND FALSE !(\read(pumpRunning)) [L276] int tmp ; [L277] int tmp___0 ; [L188] int retValue_acc ; [L191] retValue_acc = methaneLevelCritical [L192] return (retValue_acc); [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...